./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.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/bresenham-ll_unwindbound5.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 7f61497696f0e412e267c342267f07f29bf3ce290f707b3aa1a4f0ac00ff0274 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:19:03,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:19:03,632 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:19:03,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:19:03,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:19:03,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:19:03,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:19:03,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:19:03,658 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:19:03,661 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:19:03,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:19:03,662 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:19:03,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:19:03,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:19:03,662 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:19:03,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:19:03,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:19:03,662 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:19:03,662 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:19:03,662 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:19:03,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:19:03,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:19:03,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:19:03,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:19:03,662 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:19:03,662 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:19:03,662 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:19:03,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:19:03,662 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:19:03,662 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:19:03,663 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:19:03,663 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:19:03,663 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:19:03,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:19:03,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:19:03,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:19:03,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:19:03,663 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:19:03,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:19:03,663 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:19:03,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:19:03,663 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:19:03,663 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:19:03,663 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:19:03,663 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:19:03,663 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 -> 7f61497696f0e412e267c342267f07f29bf3ce290f707b3aa1a4f0ac00ff0274 [2025-02-08 09:19:03,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:19:03,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:19:03,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:19:03,875 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:19:03,875 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:19:03,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c [2025-02-08 09:19:05,036 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a895b1cb4/9d8a6b7131a640c4860c874a3b747c01/FLAGc896cc869 [2025-02-08 09:19:05,290 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:19:05,292 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c [2025-02-08 09:19:05,298 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a895b1cb4/9d8a6b7131a640c4860c874a3b747c01/FLAGc896cc869 [2025-02-08 09:19:05,314 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a895b1cb4/9d8a6b7131a640c4860c874a3b747c01 [2025-02-08 09:19:05,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:19:05,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:19:05,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:19:05,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:19:05,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:19:05,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:19:05" (1/1) ... [2025-02-08 09:19:05,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac62034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:19:05, skipping insertion in model container [2025-02-08 09:19:05,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:19:05" (1/1) ... [2025-02-08 09:19:05,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:19:05,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:19:05,449 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:19:05,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:19:05,470 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:19:05,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:19:05 WrapperNode [2025-02-08 09:19:05,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:19:05,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:19:05,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:19:05,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:19:05,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:19:05" (1/1) ... [2025-02-08 09:19:05,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:19:05" (1/1) ... [2025-02-08 09:19:05,504 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2025-02-08 09:19:05,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:19:05,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:19:05,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:19:05,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:19:05,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:19:05" (1/1) ... [2025-02-08 09:19:05,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:19:05" (1/1) ... [2025-02-08 09:19:05,524 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:19:05" (1/1) ... [2025-02-08 09:19:05,538 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 09:19:05,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:19:05" (1/1) ... [2025-02-08 09:19:05,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:19:05" (1/1) ... [2025-02-08 09:19:05,545 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:19:05" (1/1) ... [2025-02-08 09:19:05,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:19:05" (1/1) ... [2025-02-08 09:19:05,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:19:05" (1/1) ... [2025-02-08 09:19:05,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:19:05" (1/1) ... [2025-02-08 09:19:05,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:19:05,548 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:19:05,551 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:19:05,551 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:19:05,553 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:19:05" (1/1) ... [2025-02-08 09:19:05,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:19:05,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:05,577 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 09:19:05,579 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 09:19:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:19:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:19:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:19:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:19:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:19:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:19:05,637 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:19:05,638 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:19:05,919 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2025-02-08 09:19:05,919 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:19:05,930 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:19:05,930 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:19:05,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:19:05 BoogieIcfgContainer [2025-02-08 09:19:05,931 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:19:05,933 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:19:05,933 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:19:05,936 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:19:05,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:19:05" (1/3) ... [2025-02-08 09:19:05,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6856bfe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:19:05, skipping insertion in model container [2025-02-08 09:19:05,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:19:05" (2/3) ... [2025-02-08 09:19:05,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6856bfe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:19:05, skipping insertion in model container [2025-02-08 09:19:05,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:19:05" (3/3) ... [2025-02-08 09:19:05,937 INFO L128 eAbstractionObserver]: Analyzing ICFG bresenham-ll_unwindbound5.c [2025-02-08 09:19:05,947 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:19:05,948 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bresenham-ll_unwindbound5.c that has 2 procedures, 135 locations, 1 initial locations, 1 loop locations, and 60 error locations. [2025-02-08 09:19:05,986 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:19:05,993 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;@313a2b74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:19:05,993 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2025-02-08 09:19:05,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 71 states have (on average 1.9154929577464788) internal successors, (136), 131 states have internal predecessors, (136), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:05,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2025-02-08 09:19:05,999 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:06,000 INFO L218 NwaCegarLoop]: trace histogram [1, 1] [2025-02-08 09:19:06,000 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:06,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:06,003 INFO L85 PathProgramCache]: Analyzing trace with hash 5184, now seen corresponding path program 1 times [2025-02-08 09:19:06,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:06,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957064569] [2025-02-08 09:19:06,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:06,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:06,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 09:19:06,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 09:19:06,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:06,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:06,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:06,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:06,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957064569] [2025-02-08 09:19:06,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957064569] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:06,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:06,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:19:06,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16364612] [2025-02-08 09:19:06,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:06,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:19:06,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:06,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:19:06,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:19:06,143 INFO L87 Difference]: Start difference. First operand has 135 states, 71 states have (on average 1.9154929577464788) internal successors, (136), 131 states have internal predecessors, (136), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:06,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:06,276 INFO L93 Difference]: Finished difference Result 258 states and 273 transitions. [2025-02-08 09:19:06,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:19:06,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2025-02-08 09:19:06,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:06,284 INFO L225 Difference]: With dead ends: 258 [2025-02-08 09:19:06,284 INFO L226 Difference]: Without dead ends: 127 [2025-02-08 09:19:06,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 09:19:06,289 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 96 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:06,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 80 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:06,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-02-08 09:19:06,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2025-02-08 09:19:06,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 69 states have (on average 1.8405797101449275) internal successors, (127), 124 states have internal predecessors, (127), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:06,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 129 transitions. [2025-02-08 09:19:06,326 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 129 transitions. Word has length 2 [2025-02-08 09:19:06,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:06,326 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 129 transitions. [2025-02-08 09:19:06,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:06,326 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 129 transitions. [2025-02-08 09:19:06,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-08 09:19:06,327 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:06,327 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-08 09:19:06,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:19:06,327 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:06,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:06,328 INFO L85 PathProgramCache]: Analyzing trace with hash 160802, now seen corresponding path program 1 times [2025-02-08 09:19:06,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:06,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819867752] [2025-02-08 09:19:06,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:06,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:06,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 09:19:06,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 09:19:06,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:06,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:06,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:06,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:06,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819867752] [2025-02-08 09:19:06,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819867752] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:06,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:06,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:19:06,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682403374] [2025-02-08 09:19:06,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:06,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:19:06,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:06,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:19:06,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:19:06,373 INFO L87 Difference]: Start difference. First operand 127 states and 129 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:06,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:06,455 INFO L93 Difference]: Finished difference Result 127 states and 129 transitions. [2025-02-08 09:19:06,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:19:06,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2025-02-08 09:19:06,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:06,459 INFO L225 Difference]: With dead ends: 127 [2025-02-08 09:19:06,459 INFO L226 Difference]: Without dead ends: 123 [2025-02-08 09:19:06,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 09:19:06,460 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 94 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:06,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 74 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:06,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2025-02-08 09:19:06,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2025-02-08 09:19:06,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 69 states have (on average 1.7826086956521738) internal successors, (123), 120 states have internal predecessors, (123), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:06,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 125 transitions. [2025-02-08 09:19:06,465 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 125 transitions. Word has length 3 [2025-02-08 09:19:06,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:06,465 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 125 transitions. [2025-02-08 09:19:06,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 125 transitions. [2025-02-08 09:19:06,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-08 09:19:06,466 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:06,466 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-08 09:19:06,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:19:06,466 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:06,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:06,467 INFO L85 PathProgramCache]: Analyzing trace with hash 4984958, now seen corresponding path program 1 times [2025-02-08 09:19:06,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:06,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751794278] [2025-02-08 09:19:06,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:06,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:06,474 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 09:19:06,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 09:19:06,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:06,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:06,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:06,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:06,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751794278] [2025-02-08 09:19:06,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751794278] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:06,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:06,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:19:06,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026829950] [2025-02-08 09:19:06,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:06,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:19:06,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:06,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:19:06,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:19:06,520 INFO L87 Difference]: Start difference. First operand 123 states and 125 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:06,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:06,626 INFO L93 Difference]: Finished difference Result 123 states and 125 transitions. [2025-02-08 09:19:06,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:19:06,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-02-08 09:19:06,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:06,631 INFO L225 Difference]: With dead ends: 123 [2025-02-08 09:19:06,631 INFO L226 Difference]: Without dead ends: 122 [2025-02-08 09:19:06,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 09:19:06,631 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 87 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:06,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 60 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:06,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-02-08 09:19:06,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2025-02-08 09:19:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 69 states have (on average 1.7681159420289856) internal successors, (122), 119 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:06,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2025-02-08 09:19:06,640 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 4 [2025-02-08 09:19:06,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:06,640 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2025-02-08 09:19:06,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:06,640 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2025-02-08 09:19:06,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:19:06,640 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:06,640 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:19:06,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 09:19:06,641 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:06,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:06,643 INFO L85 PathProgramCache]: Analyzing trace with hash 154533792, now seen corresponding path program 1 times [2025-02-08 09:19:06,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:06,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126606812] [2025-02-08 09:19:06,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:06,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:06,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:19:06,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:19:06,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:06,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:06,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:06,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126606812] [2025-02-08 09:19:06,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126606812] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:06,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:06,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:19:06,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647381233] [2025-02-08 09:19:06,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:06,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:19:06,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:06,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:19:06,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:19:06,689 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:06,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:06,784 INFO L93 Difference]: Finished difference Result 122 states and 124 transitions. [2025-02-08 09:19:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:19:06,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-08 09:19:06,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:06,785 INFO L225 Difference]: With dead ends: 122 [2025-02-08 09:19:06,785 INFO L226 Difference]: Without dead ends: 121 [2025-02-08 09:19:06,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 09:19:06,786 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 86 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:06,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 60 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:06,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2025-02-08 09:19:06,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2025-02-08 09:19:06,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 69 states have (on average 1.7536231884057971) internal successors, (121), 118 states have internal predecessors, (121), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 123 transitions. [2025-02-08 09:19:06,791 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 123 transitions. Word has length 5 [2025-02-08 09:19:06,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:06,791 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 123 transitions. [2025-02-08 09:19:06,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 123 transitions. [2025-02-08 09:19:06,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 09:19:06,792 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:06,792 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:06,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:19:06,792 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:06,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:06,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1816878306, now seen corresponding path program 1 times [2025-02-08 09:19:06,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:06,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601382152] [2025-02-08 09:19:06,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:06,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:06,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 09:19:06,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 09:19:06,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:06,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:06,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:06,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:06,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601382152] [2025-02-08 09:19:06,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601382152] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:06,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:06,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:19:06,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348349990] [2025-02-08 09:19:06,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:06,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:06,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:06,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:06,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:06,835 INFO L87 Difference]: Start difference. First operand 121 states and 123 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:06,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:06,864 INFO L93 Difference]: Finished difference Result 169 states and 171 transitions. [2025-02-08 09:19:06,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:19:06,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-08 09:19:06,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:06,866 INFO L225 Difference]: With dead ends: 169 [2025-02-08 09:19:06,866 INFO L226 Difference]: Without dead ends: 125 [2025-02-08 09:19:06,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 09:19:06,867 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 4 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:06,868 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 349 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:19:06,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2025-02-08 09:19:06,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2025-02-08 09:19:06,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 73 states have (on average 1.7123287671232876) internal successors, (125), 122 states have internal predecessors, (125), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:06,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 127 transitions. [2025-02-08 09:19:06,874 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 127 transitions. Word has length 7 [2025-02-08 09:19:06,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:06,874 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 127 transitions. [2025-02-08 09:19:06,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:06,874 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 127 transitions. [2025-02-08 09:19:06,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-08 09:19:06,874 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:06,874 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:06,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:19:06,874 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:06,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:06,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1443662536, now seen corresponding path program 1 times [2025-02-08 09:19:06,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:06,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439283774] [2025-02-08 09:19:06,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:06,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:06,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 09:19:06,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 09:19:06,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:06,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:06,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1365777985] [2025-02-08 09:19:06,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:06,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:06,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:06,889 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 09:19:06,892 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 09:19:06,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 09:19:06,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 09:19:06,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:06,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:06,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:19:06,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:06,953 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:19:06,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:06,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439283774] [2025-02-08 09:19:06,953 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:06,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365777985] [2025-02-08 09:19:06,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365777985] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:06,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:06,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:19:06,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566344514] [2025-02-08 09:19:06,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:06,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:19:06,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:06,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:19:06,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:19:06,954 INFO L87 Difference]: Start difference. First operand 125 states and 127 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:07,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:07,032 INFO L93 Difference]: Finished difference Result 193 states and 198 transitions. [2025-02-08 09:19:07,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:19:07,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-02-08 09:19:07,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:07,033 INFO L225 Difference]: With dead ends: 193 [2025-02-08 09:19:07,033 INFO L226 Difference]: Without dead ends: 187 [2025-02-08 09:19:07,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 09:19:07,036 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 61 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:07,036 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 219 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:07,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2025-02-08 09:19:07,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 149. [2025-02-08 09:19:07,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 96 states have (on average 1.6979166666666667) internal successors, (163), 145 states have internal predecessors, (163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:07,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2025-02-08 09:19:07,044 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 10 [2025-02-08 09:19:07,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:07,044 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2025-02-08 09:19:07,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:07,044 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2025-02-08 09:19:07,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-08 09:19:07,045 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:07,045 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:07,051 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 09:19:07,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:07,250 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:07,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:07,250 INFO L85 PathProgramCache]: Analyzing trace with hash -85257866, now seen corresponding path program 1 times [2025-02-08 09:19:07,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:07,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685622447] [2025-02-08 09:19:07,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:07,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:07,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 09:19:07,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 09:19:07,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:07,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:07,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [590330233] [2025-02-08 09:19:07,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:07,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:07,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:07,267 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 09:19:07,274 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 09:19:07,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 09:19:07,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 09:19:07,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:07,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:07,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:19:07,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:07,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:07,348 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:19:07,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:07,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685622447] [2025-02-08 09:19:07,349 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:07,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590330233] [2025-02-08 09:19:07,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590330233] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:07,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:07,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:19:07,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757020045] [2025-02-08 09:19:07,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:07,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:19:07,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:07,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:19:07,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:19:07,350 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:07,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:07,398 INFO L93 Difference]: Finished difference Result 255 states and 278 transitions. [2025-02-08 09:19:07,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:19:07,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-02-08 09:19:07,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:07,399 INFO L225 Difference]: With dead ends: 255 [2025-02-08 09:19:07,399 INFO L226 Difference]: Without dead ends: 249 [2025-02-08 09:19:07,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 09:19:07,400 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 94 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:07,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 217 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:19:07,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2025-02-08 09:19:07,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 201. [2025-02-08 09:19:07,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 147 states have (on average 1.6938775510204083) internal successors, (249), 196 states have internal predecessors, (249), 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 09:19:07,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 255 transitions. [2025-02-08 09:19:07,424 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 255 transitions. Word has length 12 [2025-02-08 09:19:07,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:07,425 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 255 transitions. [2025-02-08 09:19:07,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:07,425 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 255 transitions. [2025-02-08 09:19:07,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 09:19:07,426 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:07,426 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:07,433 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 09:19:07,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:07,627 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:07,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:07,627 INFO L85 PathProgramCache]: Analyzing trace with hash -328428108, now seen corresponding path program 1 times [2025-02-08 09:19:07,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:07,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73434019] [2025-02-08 09:19:07,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:07,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:07,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:19:07,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:19:07,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:07,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:07,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [697766886] [2025-02-08 09:19:07,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:07,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:07,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:07,640 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 09:19:07,642 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 09:19:07,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:19:07,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:19:07,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:07,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:07,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:19:07,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:07,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:07,722 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:19:07,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:07,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73434019] [2025-02-08 09:19:07,723 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:07,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697766886] [2025-02-08 09:19:07,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697766886] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:07,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:07,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:07,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463811189] [2025-02-08 09:19:07,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:07,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:07,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:07,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:07,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:07,724 INFO L87 Difference]: Start difference. First operand 201 states and 255 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:07,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:07,892 INFO L93 Difference]: Finished difference Result 293 states and 356 transitions. [2025-02-08 09:19:07,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:19:07,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-02-08 09:19:07,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:07,894 INFO L225 Difference]: With dead ends: 293 [2025-02-08 09:19:07,894 INFO L226 Difference]: Without dead ends: 291 [2025-02-08 09:19:07,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 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 09:19:07,895 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 143 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:07,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 238 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:07,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2025-02-08 09:19:07,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 202. [2025-02-08 09:19:07,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 148 states have (on average 1.6824324324324325) internal successors, (249), 197 states have internal predecessors, (249), 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 09:19:07,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 255 transitions. [2025-02-08 09:19:07,912 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 255 transitions. Word has length 14 [2025-02-08 09:19:07,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:07,912 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 255 transitions. [2025-02-08 09:19:07,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:07,913 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 255 transitions. [2025-02-08 09:19:07,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-08 09:19:07,913 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:07,913 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:07,919 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 09:19:08,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:08,114 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:08,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:08,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1591336682, now seen corresponding path program 1 times [2025-02-08 09:19:08,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:08,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645974267] [2025-02-08 09:19:08,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:08,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:08,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 09:19:08,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 09:19:08,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:08,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:08,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [35940579] [2025-02-08 09:19:08,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:08,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:08,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:08,129 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 09:19:08,137 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 09:19:08,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 09:19:08,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 09:19:08,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:08,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:08,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:19:08,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:08,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:08,212 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:19:08,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:08,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645974267] [2025-02-08 09:19:08,212 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:08,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35940579] [2025-02-08 09:19:08,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35940579] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:08,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:08,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:08,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601396801] [2025-02-08 09:19:08,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:08,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:08,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:08,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:08,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:08,213 INFO L87 Difference]: Start difference. First operand 202 states and 255 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:08,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:08,360 INFO L93 Difference]: Finished difference Result 292 states and 354 transitions. [2025-02-08 09:19:08,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:19:08,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-02-08 09:19:08,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:08,363 INFO L225 Difference]: With dead ends: 292 [2025-02-08 09:19:08,363 INFO L226 Difference]: Without dead ends: 290 [2025-02-08 09:19:08,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 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 09:19:08,363 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 141 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:08,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 241 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:08,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2025-02-08 09:19:08,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 203. [2025-02-08 09:19:08,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.6711409395973154) internal successors, (249), 198 states have internal predecessors, (249), 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 09:19:08,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 255 transitions. [2025-02-08 09:19:08,373 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 255 transitions. Word has length 15 [2025-02-08 09:19:08,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:08,373 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 255 transitions. [2025-02-08 09:19:08,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:08,373 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 255 transitions. [2025-02-08 09:19:08,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-08 09:19:08,373 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:08,373 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:08,380 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 09:19:08,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-02-08 09:19:08,574 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:08,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:08,575 INFO L85 PathProgramCache]: Analyzing trace with hash -2086796814, now seen corresponding path program 1 times [2025-02-08 09:19:08,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:08,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780434379] [2025-02-08 09:19:08,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:08,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:08,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 09:19:08,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 09:19:08,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:08,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:08,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1614756486] [2025-02-08 09:19:08,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:08,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:08,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:08,590 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 09:19:08,591 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 09:19:08,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 09:19:08,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 09:19:08,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:08,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:08,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:19:08,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:08,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:08,661 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:19:08,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:08,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780434379] [2025-02-08 09:19:08,661 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:08,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614756486] [2025-02-08 09:19:08,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614756486] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:08,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:08,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:08,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937291086] [2025-02-08 09:19:08,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:08,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:08,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:08,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:08,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:08,662 INFO L87 Difference]: Start difference. First operand 203 states and 255 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:08,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:08,764 INFO L93 Difference]: Finished difference Result 278 states and 298 transitions. [2025-02-08 09:19:08,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:19:08,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2025-02-08 09:19:08,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:08,765 INFO L225 Difference]: With dead ends: 278 [2025-02-08 09:19:08,766 INFO L226 Difference]: Without dead ends: 276 [2025-02-08 09:19:08,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 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 09:19:08,766 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 194 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:08,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 261 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:08,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-02-08 09:19:08,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 203. [2025-02-08 09:19:08,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.651006711409396) internal successors, (246), 198 states have internal predecessors, (246), 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 09:19:08,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 252 transitions. [2025-02-08 09:19:08,774 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 252 transitions. Word has length 16 [2025-02-08 09:19:08,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:08,775 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 252 transitions. [2025-02-08 09:19:08,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:08,775 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 252 transitions. [2025-02-08 09:19:08,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-08 09:19:08,775 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:08,775 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:08,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 09:19:08,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-02-08 09:19:08,976 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:08,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:08,977 INFO L85 PathProgramCache]: Analyzing trace with hash -266191724, now seen corresponding path program 1 times [2025-02-08 09:19:08,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:08,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116097799] [2025-02-08 09:19:08,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:08,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:08,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 09:19:08,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 09:19:08,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:08,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:08,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [894461561] [2025-02-08 09:19:08,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:08,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:08,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:08,998 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 09:19:08,999 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 09:19:09,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 09:19:09,023 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 09:19:09,023 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:09,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:09,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:19:09,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:09,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:09,044 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:19:09,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:09,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116097799] [2025-02-08 09:19:09,044 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:09,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894461561] [2025-02-08 09:19:09,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894461561] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:09,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:09,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:09,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471035873] [2025-02-08 09:19:09,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:09,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:09,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:09,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:09,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:09,045 INFO L87 Difference]: Start difference. First operand 203 states and 252 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:09,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:09,150 INFO L93 Difference]: Finished difference Result 276 states and 295 transitions. [2025-02-08 09:19:09,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:19:09,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2025-02-08 09:19:09,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:09,151 INFO L225 Difference]: With dead ends: 276 [2025-02-08 09:19:09,151 INFO L226 Difference]: Without dead ends: 274 [2025-02-08 09:19:09,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 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 09:19:09,152 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 191 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:09,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 263 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:09,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2025-02-08 09:19:09,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 203. [2025-02-08 09:19:09,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.6308724832214765) internal successors, (243), 198 states have internal predecessors, (243), 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 09:19:09,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 249 transitions. [2025-02-08 09:19:09,157 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 249 transitions. Word has length 17 [2025-02-08 09:19:09,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:09,157 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 249 transitions. [2025-02-08 09:19:09,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:09,157 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 249 transitions. [2025-02-08 09:19:09,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-08 09:19:09,157 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:09,157 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:09,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:09,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-02-08 09:19:09,358 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:09,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:09,359 INFO L85 PathProgramCache]: Analyzing trace with hash 337991216, now seen corresponding path program 1 times [2025-02-08 09:19:09,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:09,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128811874] [2025-02-08 09:19:09,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:09,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:09,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 09:19:09,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 09:19:09,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:09,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:09,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1674505338] [2025-02-08 09:19:09,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:09,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:09,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:09,372 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 09:19:09,376 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 09:19:09,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 09:19:09,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 09:19:09,397 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:09,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:09,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:19:09,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:09,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:09,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:19:09,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:09,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128811874] [2025-02-08 09:19:09,457 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:09,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674505338] [2025-02-08 09:19:09,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674505338] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:09,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:09,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:19:09,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265101421] [2025-02-08 09:19:09,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:09,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:19:09,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:09,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:19:09,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:19:09,458 INFO L87 Difference]: Start difference. First operand 203 states and 249 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:09,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:09,641 INFO L93 Difference]: Finished difference Result 291 states and 340 transitions. [2025-02-08 09:19:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:19:09,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2025-02-08 09:19:09,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:09,643 INFO L225 Difference]: With dead ends: 291 [2025-02-08 09:19:09,643 INFO L226 Difference]: Without dead ends: 289 [2025-02-08 09:19:09,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:19:09,643 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 216 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:09,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 278 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:09,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2025-02-08 09:19:09,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 206. [2025-02-08 09:19:09,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 152 states have (on average 1.611842105263158) internal successors, (245), 201 states have internal predecessors, (245), 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 09:19:09,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 251 transitions. [2025-02-08 09:19:09,648 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 251 transitions. Word has length 18 [2025-02-08 09:19:09,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:09,649 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 251 transitions. [2025-02-08 09:19:09,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:09,649 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 251 transitions. [2025-02-08 09:19:09,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-08 09:19:09,649 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:09,649 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:09,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 09:19:09,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:09,853 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:09,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:09,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1887793170, now seen corresponding path program 1 times [2025-02-08 09:19:09,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:09,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496749898] [2025-02-08 09:19:09,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:09,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:09,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 09:19:09,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 09:19:09,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:09,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:09,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [724747793] [2025-02-08 09:19:09,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:09,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:09,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:09,885 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 09:19:09,888 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 09:19:09,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 09:19:09,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 09:19:09,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:09,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:09,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:19:09,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:09,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:09,969 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:19:09,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:09,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496749898] [2025-02-08 09:19:09,969 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:09,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724747793] [2025-02-08 09:19:09,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724747793] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:09,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:09,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:19:09,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058586731] [2025-02-08 09:19:09,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:09,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:19:09,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:09,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:19:09,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:19:09,970 INFO L87 Difference]: Start difference. First operand 206 states and 251 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:10,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:10,158 INFO L93 Difference]: Finished difference Result 290 states and 338 transitions. [2025-02-08 09:19:10,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:19:10,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-02-08 09:19:10,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:10,164 INFO L225 Difference]: With dead ends: 290 [2025-02-08 09:19:10,164 INFO L226 Difference]: Without dead ends: 288 [2025-02-08 09:19:10,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:19:10,165 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 214 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:10,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 281 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:10,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2025-02-08 09:19:10,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 207. [2025-02-08 09:19:10,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 153 states have (on average 1.6013071895424837) internal successors, (245), 202 states have internal predecessors, (245), 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 09:19:10,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 251 transitions. [2025-02-08 09:19:10,170 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 251 transitions. Word has length 19 [2025-02-08 09:19:10,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:10,170 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 251 transitions. [2025-02-08 09:19:10,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:10,170 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 251 transitions. [2025-02-08 09:19:10,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-08 09:19:10,170 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:10,170 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:10,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:10,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:10,371 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:10,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:10,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1607953810, now seen corresponding path program 1 times [2025-02-08 09:19:10,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:10,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242991086] [2025-02-08 09:19:10,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:10,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:10,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 09:19:10,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 09:19:10,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:10,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:10,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [494515116] [2025-02-08 09:19:10,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:10,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:10,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:10,385 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 09:19:10,388 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 09:19:10,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 09:19:10,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 09:19:10,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:10,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:10,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:19:10,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:10,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:10,513 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:19:10,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:10,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242991086] [2025-02-08 09:19:10,514 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:10,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494515116] [2025-02-08 09:19:10,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494515116] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:10,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:10,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:19:10,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617415163] [2025-02-08 09:19:10,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:10,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:19:10,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:10,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:19:10,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:19:10,515 INFO L87 Difference]: Start difference. First operand 207 states and 251 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:10,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:10,740 INFO L93 Difference]: Finished difference Result 278 states and 336 transitions. [2025-02-08 09:19:10,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:19:10,740 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2025-02-08 09:19:10,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:10,741 INFO L225 Difference]: With dead ends: 278 [2025-02-08 09:19:10,741 INFO L226 Difference]: Without dead ends: 276 [2025-02-08 09:19:10,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:19:10,742 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 371 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:10,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 199 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:10,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-02-08 09:19:10,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 208. [2025-02-08 09:19:10,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 154 states have (on average 1.5909090909090908) internal successors, (245), 203 states have internal predecessors, (245), 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 09:19:10,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 251 transitions. [2025-02-08 09:19:10,747 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 251 transitions. Word has length 20 [2025-02-08 09:19:10,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:10,747 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 251 transitions. [2025-02-08 09:19:10,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 251 transitions. [2025-02-08 09:19:10,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-08 09:19:10,747 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:10,747 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:10,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:10,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:10,948 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:10,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:10,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1693039504, now seen corresponding path program 1 times [2025-02-08 09:19:10,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:10,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184987237] [2025-02-08 09:19:10,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:10,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:10,952 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 09:19:10,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 09:19:10,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:10,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:10,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1926572082] [2025-02-08 09:19:10,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:10,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:10,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:10,958 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 09:19:10,962 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 09:19:10,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 09:19:10,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 09:19:10,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:10,984 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:10,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:19:10,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:11,084 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:19:11,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:11,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184987237] [2025-02-08 09:19:11,085 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:11,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926572082] [2025-02-08 09:19:11,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926572082] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:11,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:11,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:19:11,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722214617] [2025-02-08 09:19:11,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:11,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:19:11,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:11,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:19:11,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:19:11,086 INFO L87 Difference]: Start difference. First operand 208 states and 251 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:11,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:11,324 INFO L93 Difference]: Finished difference Result 278 states and 334 transitions. [2025-02-08 09:19:11,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:19:11,324 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2025-02-08 09:19:11,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:11,325 INFO L225 Difference]: With dead ends: 278 [2025-02-08 09:19:11,325 INFO L226 Difference]: Without dead ends: 276 [2025-02-08 09:19:11,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:19:11,326 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 369 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:11,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 199 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:11,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-02-08 09:19:11,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 209. [2025-02-08 09:19:11,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 155 states have (on average 1.5806451612903225) internal successors, (245), 204 states have internal predecessors, (245), 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 09:19:11,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 251 transitions. [2025-02-08 09:19:11,331 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 251 transitions. Word has length 21 [2025-02-08 09:19:11,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:11,331 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 251 transitions. [2025-02-08 09:19:11,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:11,331 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 251 transitions. [2025-02-08 09:19:11,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-08 09:19:11,332 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:11,332 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:11,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 09:19:11,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-02-08 09:19:11,533 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:11,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:11,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1538966250, now seen corresponding path program 1 times [2025-02-08 09:19:11,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:11,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184610833] [2025-02-08 09:19:11,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:11,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:11,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 09:19:11,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 09:19:11,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:11,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:11,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [722169043] [2025-02-08 09:19:11,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:11,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:11,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:11,546 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 09:19:11,548 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 09:19:11,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 09:19:11,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 09:19:11,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:11,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:11,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:19:11,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:11,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:11,724 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:19:11,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:11,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184610833] [2025-02-08 09:19:11,724 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:11,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722169043] [2025-02-08 09:19:11,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722169043] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:11,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:11,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:19:11,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700566798] [2025-02-08 09:19:11,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:11,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:19:11,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:11,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:19:11,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:19:11,725 INFO L87 Difference]: Start difference. First operand 209 states and 251 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:12,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:12,010 INFO L93 Difference]: Finished difference Result 270 states and 332 transitions. [2025-02-08 09:19:12,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:19:12,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2025-02-08 09:19:12,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:12,011 INFO L225 Difference]: With dead ends: 270 [2025-02-08 09:19:12,011 INFO L226 Difference]: Without dead ends: 266 [2025-02-08 09:19:12,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:19:12,012 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 258 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:12,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 146 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:19:12,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2025-02-08 09:19:12,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 210. [2025-02-08 09:19:12,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 158 states have (on average 1.5506329113924051) internal successors, (245), 205 states have internal predecessors, (245), 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 09:19:12,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 251 transitions. [2025-02-08 09:19:12,017 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 251 transitions. Word has length 24 [2025-02-08 09:19:12,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:12,017 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 251 transitions. [2025-02-08 09:19:12,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:12,017 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 251 transitions. [2025-02-08 09:19:12,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-08 09:19:12,018 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:12,018 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:12,023 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 09:19:12,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-02-08 09:19:12,218 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:12,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:12,219 INFO L85 PathProgramCache]: Analyzing trace with hash 463313548, now seen corresponding path program 1 times [2025-02-08 09:19:12,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:12,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821008820] [2025-02-08 09:19:12,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:12,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:12,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 09:19:12,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 09:19:12,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:12,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:12,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [986634737] [2025-02-08 09:19:12,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:12,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:12,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:12,227 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 09:19:12,228 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 09:19:12,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 09:19:12,250 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 09:19:12,250 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:12,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:12,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:19:12,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:12,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:12,387 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:19:12,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:12,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821008820] [2025-02-08 09:19:12,387 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:12,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986634737] [2025-02-08 09:19:12,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986634737] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:12,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:12,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:19:12,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482840967] [2025-02-08 09:19:12,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:12,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:19:12,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:12,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:19:12,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:19:12,388 INFO L87 Difference]: Start difference. First operand 210 states and 251 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:12,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:12,660 INFO L93 Difference]: Finished difference Result 268 states and 326 transitions. [2025-02-08 09:19:12,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:19:12,660 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2025-02-08 09:19:12,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:12,661 INFO L225 Difference]: With dead ends: 268 [2025-02-08 09:19:12,661 INFO L226 Difference]: Without dead ends: 264 [2025-02-08 09:19:12,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:19:12,661 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 257 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:12,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 146 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:12,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2025-02-08 09:19:12,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 209. [2025-02-08 09:19:12,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 159 states have (on average 1.528301886792453) internal successors, (243), 204 states have internal predecessors, (243), 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 09:19:12,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 249 transitions. [2025-02-08 09:19:12,666 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 249 transitions. Word has length 25 [2025-02-08 09:19:12,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:12,666 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 249 transitions. [2025-02-08 09:19:12,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:12,666 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 249 transitions. [2025-02-08 09:19:12,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-08 09:19:12,667 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:12,667 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:12,672 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 09:19:12,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-08 09:19:12,868 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:12,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:12,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1477818152, now seen corresponding path program 1 times [2025-02-08 09:19:12,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:12,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529455434] [2025-02-08 09:19:12,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:12,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:12,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-08 09:19:12,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-08 09:19:12,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:12,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:12,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:12,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529455434] [2025-02-08 09:19:12,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529455434] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:12,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:12,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:12,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674295513] [2025-02-08 09:19:12,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:12,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:12,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:12,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:12,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:12,929 INFO L87 Difference]: Start difference. First operand 209 states and 249 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:13,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:13,139 INFO L93 Difference]: Finished difference Result 234 states and 280 transitions. [2025-02-08 09:19:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:19:13,140 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-02-08 09:19:13,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:13,140 INFO L225 Difference]: With dead ends: 234 [2025-02-08 09:19:13,141 INFO L226 Difference]: Without dead ends: 232 [2025-02-08 09:19:13,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:19:13,141 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 92 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:13,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 153 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:13,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-02-08 09:19:13,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 210. [2025-02-08 09:19:13,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 160 states have (on average 1.51875) internal successors, (243), 205 states have internal predecessors, (243), 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 09:19:13,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 249 transitions. [2025-02-08 09:19:13,147 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 249 transitions. Word has length 26 [2025-02-08 09:19:13,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:13,147 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 249 transitions. [2025-02-08 09:19:13,147 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:13,148 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 249 transitions. [2025-02-08 09:19:13,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-08 09:19:13,148 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:13,148 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:13,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-08 09:19:13,148 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:13,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:13,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1432277494, now seen corresponding path program 1 times [2025-02-08 09:19:13,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:13,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715511524] [2025-02-08 09:19:13,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:13,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:13,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 09:19:13,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 09:19:13,155 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:13,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:13,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:13,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:13,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715511524] [2025-02-08 09:19:13,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715511524] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:13,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:13,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:13,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866001409] [2025-02-08 09:19:13,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:13,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:13,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:13,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:13,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:13,192 INFO L87 Difference]: Start difference. First operand 210 states and 249 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:13,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:13,415 INFO L93 Difference]: Finished difference Result 228 states and 272 transitions. [2025-02-08 09:19:13,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:19:13,415 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2025-02-08 09:19:13,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:13,416 INFO L225 Difference]: With dead ends: 228 [2025-02-08 09:19:13,416 INFO L226 Difference]: Without dead ends: 226 [2025-02-08 09:19:13,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:19:13,417 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 67 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:13,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 157 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:13,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2025-02-08 09:19:13,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 211. [2025-02-08 09:19:13,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 161 states have (on average 1.5093167701863355) internal successors, (243), 206 states have internal predecessors, (243), 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 09:19:13,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 249 transitions. [2025-02-08 09:19:13,423 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 249 transitions. Word has length 27 [2025-02-08 09:19:13,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:13,424 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 249 transitions. [2025-02-08 09:19:13,424 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:19:13,424 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 249 transitions. [2025-02-08 09:19:13,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-02-08 09:19:13,425 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:13,425 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:13,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-02-08 09:19:13,426 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:13,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:13,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1376557365, now seen corresponding path program 1 times [2025-02-08 09:19:13,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:13,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081031080] [2025-02-08 09:19:13,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:13,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:13,430 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 09:19:13,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 09:19:13,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:13,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:13,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:13,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:13,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081031080] [2025-02-08 09:19:13,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081031080] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:13,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:13,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:13,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494192201] [2025-02-08 09:19:13,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:13,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:13,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:13,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:13,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:13,506 INFO L87 Difference]: Start difference. First operand 211 states and 249 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:13,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:13,645 INFO L93 Difference]: Finished difference Result 227 states and 270 transitions. [2025-02-08 09:19:13,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:19:13,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2025-02-08 09:19:13,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:13,646 INFO L225 Difference]: With dead ends: 227 [2025-02-08 09:19:13,646 INFO L226 Difference]: Without dead ends: 226 [2025-02-08 09:19:13,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:19:13,648 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 172 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:13,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 110 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:13,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2025-02-08 09:19:13,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 215. [2025-02-08 09:19:13,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 165 states have (on average 1.503030303030303) internal successors, (248), 210 states have internal predecessors, (248), 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 09:19:13,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 254 transitions. [2025-02-08 09:19:13,655 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 254 transitions. Word has length 37 [2025-02-08 09:19:13,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:13,656 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 254 transitions. [2025-02-08 09:19:13,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:13,656 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 254 transitions. [2025-02-08 09:19:13,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:19:13,658 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:13,658 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:13,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-02-08 09:19:13,658 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:13,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:13,658 INFO L85 PathProgramCache]: Analyzing trace with hash -276394624, now seen corresponding path program 1 times [2025-02-08 09:19:13,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:13,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696419279] [2025-02-08 09:19:13,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:13,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:13,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:19:13,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:19:13,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:13,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:13,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:13,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696419279] [2025-02-08 09:19:13,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696419279] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:13,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:13,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:13,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973876603] [2025-02-08 09:19:13,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:13,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:13,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:13,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:13,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:13,709 INFO L87 Difference]: Start difference. First operand 215 states and 254 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:13,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:13,779 INFO L93 Difference]: Finished difference Result 215 states and 254 transitions. [2025-02-08 09:19:13,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:19:13,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2025-02-08 09:19:13,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:13,781 INFO L225 Difference]: With dead ends: 215 [2025-02-08 09:19:13,781 INFO L226 Difference]: Without dead ends: 214 [2025-02-08 09:19:13,781 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:19:13,782 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 68 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:13,782 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 140 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:13,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2025-02-08 09:19:13,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2025-02-08 09:19:13,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 165 states have (on average 1.490909090909091) internal successors, (246), 209 states have internal predecessors, (246), 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 09:19:13,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 252 transitions. [2025-02-08 09:19:13,789 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 252 transitions. Word has length 38 [2025-02-08 09:19:13,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:13,789 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 252 transitions. [2025-02-08 09:19:13,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:13,789 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 252 transitions. [2025-02-08 09:19:13,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:19:13,791 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:13,791 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:13,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-02-08 09:19:13,791 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:13,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:13,791 INFO L85 PathProgramCache]: Analyzing trace with hash 65599298, now seen corresponding path program 1 times [2025-02-08 09:19:13,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:13,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98806367] [2025-02-08 09:19:13,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:13,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:13,795 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:19:13,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:19:13,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:13,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:13,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:13,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:13,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98806367] [2025-02-08 09:19:13,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98806367] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:13,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:13,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:13,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279325410] [2025-02-08 09:19:13,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:13,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:13,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:13,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:13,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:13,843 INFO L87 Difference]: Start difference. First operand 214 states and 252 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:13,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:13,943 INFO L93 Difference]: Finished difference Result 214 states and 252 transitions. [2025-02-08 09:19:13,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:19:13,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2025-02-08 09:19:13,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:13,947 INFO L225 Difference]: With dead ends: 214 [2025-02-08 09:19:13,947 INFO L226 Difference]: Without dead ends: 213 [2025-02-08 09:19:13,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:19:13,948 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 63 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:13,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 112 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:13,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2025-02-08 09:19:13,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2025-02-08 09:19:13,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 165 states have (on average 1.4848484848484849) internal successors, (245), 208 states have internal predecessors, (245), 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 09:19:13,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 251 transitions. [2025-02-08 09:19:13,957 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 251 transitions. Word has length 39 [2025-02-08 09:19:13,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:13,957 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 251 transitions. [2025-02-08 09:19:13,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:13,957 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 251 transitions. [2025-02-08 09:19:13,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:19:13,958 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:13,958 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:13,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-02-08 09:19:13,958 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:13,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:13,959 INFO L85 PathProgramCache]: Analyzing trace with hash 672739326, now seen corresponding path program 1 times [2025-02-08 09:19:13,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:13,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024465225] [2025-02-08 09:19:13,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:13,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:13,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:19:13,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:19:13,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:13,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:14,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:14,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:14,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024465225] [2025-02-08 09:19:14,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024465225] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:14,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:14,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:14,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572892235] [2025-02-08 09:19:14,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:14,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:14,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:14,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:14,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:14,006 INFO L87 Difference]: Start difference. First operand 213 states and 251 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:14,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:14,101 INFO L93 Difference]: Finished difference Result 233 states and 273 transitions. [2025-02-08 09:19:14,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:19:14,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2025-02-08 09:19:14,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:14,103 INFO L225 Difference]: With dead ends: 233 [2025-02-08 09:19:14,103 INFO L226 Difference]: Without dead ends: 231 [2025-02-08 09:19:14,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:14,103 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:14,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 307 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:14,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2025-02-08 09:19:14,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2025-02-08 09:19:14,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 180 states have (on average 1.461111111111111) internal successors, (263), 223 states have internal predecessors, (263), 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 09:19:14,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 269 transitions. [2025-02-08 09:19:14,110 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 269 transitions. Word has length 40 [2025-02-08 09:19:14,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:14,110 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 269 transitions. [2025-02-08 09:19:14,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:14,110 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 269 transitions. [2025-02-08 09:19:14,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:19:14,110 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:14,110 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:14,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-02-08 09:19:14,111 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:14,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:14,111 INFO L85 PathProgramCache]: Analyzing trace with hash 2033578271, now seen corresponding path program 1 times [2025-02-08 09:19:14,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:14,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633611811] [2025-02-08 09:19:14,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:14,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:14,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:19:14,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:19:14,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:14,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:14,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:14,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:14,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633611811] [2025-02-08 09:19:14,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633611811] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:14,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:14,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:19:14,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483499928] [2025-02-08 09:19:14,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:14,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:19:14,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:14,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:19:14,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:19:14,177 INFO L87 Difference]: Start difference. First operand 228 states and 269 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:14,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:14,409 INFO L93 Difference]: Finished difference Result 229 states and 269 transitions. [2025-02-08 09:19:14,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:19:14,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2025-02-08 09:19:14,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:14,410 INFO L225 Difference]: With dead ends: 229 [2025-02-08 09:19:14,410 INFO L226 Difference]: Without dead ends: 228 [2025-02-08 09:19:14,410 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:19:14,411 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 151 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:14,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 160 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:14,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2025-02-08 09:19:14,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2025-02-08 09:19:14,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 180 states have (on average 1.4555555555555555) internal successors, (262), 223 states have internal predecessors, (262), 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 09:19:14,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 268 transitions. [2025-02-08 09:19:14,418 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 268 transitions. Word has length 40 [2025-02-08 09:19:14,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:14,418 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 268 transitions. [2025-02-08 09:19:14,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:14,419 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 268 transitions. [2025-02-08 09:19:14,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:19:14,419 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:14,419 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:14,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-02-08 09:19:14,420 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:14,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:14,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1383583008, now seen corresponding path program 1 times [2025-02-08 09:19:14,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:14,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855342989] [2025-02-08 09:19:14,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:14,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:14,424 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:19:14,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:19:14,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:14,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:14,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:14,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:14,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855342989] [2025-02-08 09:19:14,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855342989] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:14,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:14,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:14,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768875111] [2025-02-08 09:19:14,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:14,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:14,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:14,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:14,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:14,486 INFO L87 Difference]: Start difference. First operand 228 states and 268 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:14,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:14,592 INFO L93 Difference]: Finished difference Result 270 states and 282 transitions. [2025-02-08 09:19:14,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:19:14,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2025-02-08 09:19:14,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:14,593 INFO L225 Difference]: With dead ends: 270 [2025-02-08 09:19:14,593 INFO L226 Difference]: Without dead ends: 268 [2025-02-08 09:19:14,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:14,594 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 62 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:14,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 312 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:14,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2025-02-08 09:19:14,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 236. [2025-02-08 09:19:14,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 188 states have (on average 1.4308510638297873) internal successors, (269), 231 states have internal predecessors, (269), 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 09:19:14,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 275 transitions. [2025-02-08 09:19:14,603 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 275 transitions. Word has length 41 [2025-02-08 09:19:14,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:14,603 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 275 transitions. [2025-02-08 09:19:14,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 275 transitions. [2025-02-08 09:19:14,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:19:14,603 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:14,604 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:14,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-02-08 09:19:14,604 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:14,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:14,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1259876048, now seen corresponding path program 1 times [2025-02-08 09:19:14,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:14,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853213192] [2025-02-08 09:19:14,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:14,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:14,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:19:14,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:19:14,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:14,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:14,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:14,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853213192] [2025-02-08 09:19:14,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853213192] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:14,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753786643] [2025-02-08 09:19:14,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:14,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:14,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:14,669 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 09:19:14,671 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 09:19:14,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:19:14,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:19:14,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:14,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:14,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:19:14,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:14,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:14,759 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:19:14,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753786643] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:14,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:19:14,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-02-08 09:19:14,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457506693] [2025-02-08 09:19:14,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:14,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:19:14,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:14,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:19:14,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:19:14,761 INFO L87 Difference]: Start difference. First operand 236 states and 275 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:14,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:14,795 INFO L93 Difference]: Finished difference Result 236 states and 275 transitions. [2025-02-08 09:19:14,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:19:14,795 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2025-02-08 09:19:14,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:14,796 INFO L225 Difference]: With dead ends: 236 [2025-02-08 09:19:14,796 INFO L226 Difference]: Without dead ends: 235 [2025-02-08 09:19:14,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:14,796 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 157 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:14,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 223 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:19:14,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2025-02-08 09:19:14,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2025-02-08 09:19:14,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 188 states have (on average 1.4202127659574468) internal successors, (267), 230 states have internal predecessors, (267), 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 09:19:14,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 273 transitions. [2025-02-08 09:19:14,804 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 273 transitions. Word has length 43 [2025-02-08 09:19:14,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:14,804 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 273 transitions. [2025-02-08 09:19:14,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:14,805 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 273 transitions. [2025-02-08 09:19:14,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:19:14,805 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:14,806 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2025-02-08 09:19:14,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-08 09:19:15,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:15,007 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:15,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:15,007 INFO L85 PathProgramCache]: Analyzing trace with hash 401451912, now seen corresponding path program 1 times [2025-02-08 09:19:15,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:15,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156083999] [2025-02-08 09:19:15,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:15,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:15,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:19:15,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:19:15,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:15,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:15,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:15,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:15,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156083999] [2025-02-08 09:19:15,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156083999] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:15,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408492483] [2025-02-08 09:19:15,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:15,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:15,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:15,085 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 09:19:15,086 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 09:19:15,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:19:15,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:19:15,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:15,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:15,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:19:15,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:15,178 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:15,179 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:15,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:15,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408492483] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:15,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:15,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 12 [2025-02-08 09:19:15,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848462738] [2025-02-08 09:19:15,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:15,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:19:15,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:15,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:19:15,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:19:15,244 INFO L87 Difference]: Start difference. First operand 235 states and 273 transitions. Second operand has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 2 states have call successors, (3), 2 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 09:19:15,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:15,327 INFO L93 Difference]: Finished difference Result 650 states and 770 transitions. [2025-02-08 09:19:15,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:19:15,327 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 2 states have call successors, (3), 2 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 44 [2025-02-08 09:19:15,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:15,329 INFO L225 Difference]: With dead ends: 650 [2025-02-08 09:19:15,329 INFO L226 Difference]: Without dead ends: 587 [2025-02-08 09:19:15,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:19:15,329 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 264 mSDsluCounter, 994 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:15,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 1111 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:19:15,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2025-02-08 09:19:15,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 413. [2025-02-08 09:19:15,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 359 states have (on average 1.4596100278551531) internal successors, (524), 401 states have internal predecessors, (524), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:19:15,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 538 transitions. [2025-02-08 09:19:15,340 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 538 transitions. Word has length 44 [2025-02-08 09:19:15,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:15,341 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 538 transitions. [2025-02-08 09:19:15,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 2 states have call successors, (3), 2 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 09:19:15,341 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 538 transitions. [2025-02-08 09:19:15,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-08 09:19:15,341 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:15,341 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:15,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-08 09:19:15,541 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,SelfDestructingSolverStorable26 [2025-02-08 09:19:15,542 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:15,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:15,542 INFO L85 PathProgramCache]: Analyzing trace with hash -751766458, now seen corresponding path program 1 times [2025-02-08 09:19:15,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:15,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826161317] [2025-02-08 09:19:15,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:15,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:15,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:19:15,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:19:15,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:15,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:15,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1902896880] [2025-02-08 09:19:15,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:15,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:15,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:15,555 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 09:19:15,556 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 09:19:15,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:19:15,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:19:15,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:15,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:15,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:19:15,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:15,851 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:15,851 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:16,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:16,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:16,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826161317] [2025-02-08 09:19:16,086 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:16,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902896880] [2025-02-08 09:19:16,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902896880] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:16,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:16,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-02-08 09:19:16,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920554197] [2025-02-08 09:19:16,086 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:16,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:19:16,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:16,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:19:16,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:16,087 INFO L87 Difference]: Start difference. First operand 413 states and 538 transitions. Second operand has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:16,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:16,705 INFO L93 Difference]: Finished difference Result 413 states and 538 transitions. [2025-02-08 09:19:16,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:19:16,705 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2025-02-08 09:19:16,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:16,706 INFO L225 Difference]: With dead ends: 413 [2025-02-08 09:19:16,706 INFO L226 Difference]: Without dead ends: 409 [2025-02-08 09:19:16,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:19:16,707 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 318 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:16,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 205 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:19:16,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-02-08 09:19:16,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2025-02-08 09:19:16,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 359 states have (on average 1.4038997214484679) internal successors, (504), 397 states have internal predecessors, (504), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:19:16,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 518 transitions. [2025-02-08 09:19:16,719 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 518 transitions. Word has length 46 [2025-02-08 09:19:16,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:16,719 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 518 transitions. [2025-02-08 09:19:16,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:16,719 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 518 transitions. [2025-02-08 09:19:16,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-08 09:19:16,719 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:16,719 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:16,728 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 09:19:16,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-08 09:19:16,920 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:16,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:16,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1829923636, now seen corresponding path program 1 times [2025-02-08 09:19:16,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:16,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929814354] [2025-02-08 09:19:16,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:16,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:16,924 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:19:16,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:19:16,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:16,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:16,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1480044902] [2025-02-08 09:19:16,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:16,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:16,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:16,932 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 09:19:16,938 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 09:19:16,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:19:16,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:19:16,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:16,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:16,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:19:16,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:17,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:17,121 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:17,370 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:17,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:17,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929814354] [2025-02-08 09:19:17,371 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:17,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480044902] [2025-02-08 09:19:17,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480044902] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:17,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:17,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-02-08 09:19:17,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566751525] [2025-02-08 09:19:17,371 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:17,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:19:17,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:17,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:19:17,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:17,372 INFO L87 Difference]: Start difference. First operand 409 states and 518 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:17,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:17,721 INFO L93 Difference]: Finished difference Result 409 states and 518 transitions. [2025-02-08 09:19:17,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:19:17,722 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2025-02-08 09:19:17,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:17,723 INFO L225 Difference]: With dead ends: 409 [2025-02-08 09:19:17,723 INFO L226 Difference]: Without dead ends: 407 [2025-02-08 09:19:17,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:19:17,724 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 232 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:17,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 226 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:19:17,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2025-02-08 09:19:17,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2025-02-08 09:19:17,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 359 states have (on average 1.3816155988857939) internal successors, (496), 395 states have internal predecessors, (496), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:19:17,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 510 transitions. [2025-02-08 09:19:17,734 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 510 transitions. Word has length 47 [2025-02-08 09:19:17,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:17,734 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 510 transitions. [2025-02-08 09:19:17,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:17,734 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 510 transitions. [2025-02-08 09:19:17,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-08 09:19:17,734 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:17,734 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:17,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-08 09:19:17,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-08 09:19:17,935 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:17,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:17,935 INFO L85 PathProgramCache]: Analyzing trace with hash 764927426, now seen corresponding path program 1 times [2025-02-08 09:19:17,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:17,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549317226] [2025-02-08 09:19:17,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:17,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:17,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:19:17,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:19:17,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:17,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:17,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [936116438] [2025-02-08 09:19:17,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:17,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:17,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:17,949 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 09:19:17,951 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 09:19:17,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:19:17,979 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:19:17,979 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:17,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:17,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:19:17,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:18,083 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:18,083 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:18,179 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:18,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:18,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549317226] [2025-02-08 09:19:18,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:18,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936116438] [2025-02-08 09:19:18,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936116438] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:18,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:18,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-02-08 09:19:18,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091021005] [2025-02-08 09:19:18,179 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:18,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:19:18,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:18,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:19:18,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:18,180 INFO L87 Difference]: Start difference. First operand 407 states and 510 transitions. Second operand has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:18,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:18,872 INFO L93 Difference]: Finished difference Result 499 states and 603 transitions. [2025-02-08 09:19:18,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 09:19:18,872 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2025-02-08 09:19:18,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:18,873 INFO L225 Difference]: With dead ends: 499 [2025-02-08 09:19:18,873 INFO L226 Difference]: Without dead ends: 497 [2025-02-08 09:19:18,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:19:18,874 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 873 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:18,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 274 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:19:18,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2025-02-08 09:19:18,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 417. [2025-02-08 09:19:18,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 369 states have (on average 1.3658536585365855) internal successors, (504), 405 states have internal predecessors, (504), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:19:18,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 518 transitions. [2025-02-08 09:19:18,896 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 518 transitions. Word has length 50 [2025-02-08 09:19:18,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:18,897 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 518 transitions. [2025-02-08 09:19:18,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:18,897 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 518 transitions. [2025-02-08 09:19:18,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-08 09:19:18,897 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:18,897 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:18,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-08 09:19:19,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:19,099 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:19,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:19,099 INFO L85 PathProgramCache]: Analyzing trace with hash -2057053496, now seen corresponding path program 1 times [2025-02-08 09:19:19,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:19,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216050769] [2025-02-08 09:19:19,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:19,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:19,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 09:19:19,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:19:19,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:19,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:19,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1083666274] [2025-02-08 09:19:19,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:19,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:19,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:19,116 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 09:19:19,121 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 09:19:19,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 09:19:19,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:19:19,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:19,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:19,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:19:19,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:19,266 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:19,266 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:19,588 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:19,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:19,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216050769] [2025-02-08 09:19:19,588 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:19,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083666274] [2025-02-08 09:19:19,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083666274] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:19,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:19,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-08 09:19:19,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106023112] [2025-02-08 09:19:19,589 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:19,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:19:19,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:19,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:19:19,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:19:19,591 INFO L87 Difference]: Start difference. First operand 417 states and 518 transitions. Second operand has 14 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 14 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:20,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:20,673 INFO L93 Difference]: Finished difference Result 515 states and 633 transitions. [2025-02-08 09:19:20,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-02-08 09:19:20,676 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 14 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2025-02-08 09:19:20,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:20,677 INFO L225 Difference]: With dead ends: 515 [2025-02-08 09:19:20,677 INFO L226 Difference]: Without dead ends: 513 [2025-02-08 09:19:20,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2025-02-08 09:19:20,678 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 710 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:20,678 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 291 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 09:19:20,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2025-02-08 09:19:20,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 451. [2025-02-08 09:19:20,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 402 states have (on average 1.3681592039800996) internal successors, (550), 438 states have internal predecessors, (550), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:19:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 566 transitions. [2025-02-08 09:19:20,690 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 566 transitions. Word has length 51 [2025-02-08 09:19:20,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:20,690 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 566 transitions. [2025-02-08 09:19:20,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 14 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:20,690 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 566 transitions. [2025-02-08 09:19:20,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-08 09:19:20,691 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:20,691 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:20,697 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 09:19:20,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:20,891 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:20,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:20,892 INFO L85 PathProgramCache]: Analyzing trace with hash -82913151, now seen corresponding path program 1 times [2025-02-08 09:19:20,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:20,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632687888] [2025-02-08 09:19:20,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:20,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:20,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 09:19:20,900 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 09:19:20,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:20,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:20,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2019007172] [2025-02-08 09:19:20,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:20,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:20,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:20,903 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 09:19:20,904 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 09:19:20,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 09:19:20,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 09:19:20,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:20,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:20,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:19:20,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:21,078 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:21,079 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:21,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:21,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632687888] [2025-02-08 09:19:21,200 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:21,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019007172] [2025-02-08 09:19:21,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019007172] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:21,201 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:19:21,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:19:21,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525587276] [2025-02-08 09:19:21,201 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:21,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:19:21,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:21,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:19:21,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:19:21,202 INFO L87 Difference]: Start difference. First operand 451 states and 566 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:21,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:21,450 INFO L93 Difference]: Finished difference Result 488 states and 600 transitions. [2025-02-08 09:19:21,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:19:21,450 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2025-02-08 09:19:21,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:21,451 INFO L225 Difference]: With dead ends: 488 [2025-02-08 09:19:21,452 INFO L226 Difference]: Without dead ends: 484 [2025-02-08 09:19:21,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:21,453 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 155 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:21,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 460 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:21,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2025-02-08 09:19:21,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 451. [2025-02-08 09:19:21,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 405 states have (on average 1.345679012345679) internal successors, (545), 438 states have internal predecessors, (545), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:19:21,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 561 transitions. [2025-02-08 09:19:21,465 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 561 transitions. Word has length 52 [2025-02-08 09:19:21,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:21,466 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 561 transitions. [2025-02-08 09:19:21,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:21,466 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 561 transitions. [2025-02-08 09:19:21,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-08 09:19:21,466 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:21,466 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:21,472 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 09:19:21,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:21,667 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:21,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:21,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1724659693, now seen corresponding path program 1 times [2025-02-08 09:19:21,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:21,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858435715] [2025-02-08 09:19:21,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:21,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:21,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-08 09:19:21,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 09:19:21,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:21,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:21,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [758255218] [2025-02-08 09:19:21,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:21,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:21,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:21,676 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 09:19:21,678 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 09:19:21,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-08 09:19:21,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 09:19:21,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:21,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:21,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:19:21,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:21,874 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:21,875 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:22,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:22,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858435715] [2025-02-08 09:19:22,070 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:22,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758255218] [2025-02-08 09:19:22,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758255218] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:22,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:19:22,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:19:22,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950685197] [2025-02-08 09:19:22,070 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:22,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:19:22,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:22,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:19:22,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:19:22,071 INFO L87 Difference]: Start difference. First operand 451 states and 561 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:22,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:22,251 INFO L93 Difference]: Finished difference Result 600 states and 741 transitions. [2025-02-08 09:19:22,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:19:22,252 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2025-02-08 09:19:22,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:22,253 INFO L225 Difference]: With dead ends: 600 [2025-02-08 09:19:22,253 INFO L226 Difference]: Without dead ends: 598 [2025-02-08 09:19:22,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:22,254 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 395 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:22,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 302 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:22,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2025-02-08 09:19:22,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 536. [2025-02-08 09:19:22,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 488 states have (on average 1.3647540983606556) internal successors, (666), 521 states have internal predecessors, (666), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:19:22,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 686 transitions. [2025-02-08 09:19:22,267 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 686 transitions. Word has length 53 [2025-02-08 09:19:22,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:22,267 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 686 transitions. [2025-02-08 09:19:22,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:22,267 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 686 transitions. [2025-02-08 09:19:22,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-08 09:19:22,268 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:22,268 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:22,274 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 09:19:22,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:22,472 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:22,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:22,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1860423566, now seen corresponding path program 1 times [2025-02-08 09:19:22,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:22,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123923490] [2025-02-08 09:19:22,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:22,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:22,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:19:22,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:19:22,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:22,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:22,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:22,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:22,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123923490] [2025-02-08 09:19:22,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123923490] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:22,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:22,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:22,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142267948] [2025-02-08 09:19:22,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:22,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:22,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:22,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:22,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:22,552 INFO L87 Difference]: Start difference. First operand 536 states and 686 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:22,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:22,783 INFO L93 Difference]: Finished difference Result 541 states and 691 transitions. [2025-02-08 09:19:22,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:19:22,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2025-02-08 09:19:22,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:22,784 INFO L225 Difference]: With dead ends: 541 [2025-02-08 09:19:22,784 INFO L226 Difference]: Without dead ends: 540 [2025-02-08 09:19:22,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:19:22,785 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 47 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:22,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 119 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:22,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2025-02-08 09:19:22,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 539. [2025-02-08 09:19:22,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 491 states have (on average 1.3625254582484725) internal successors, (669), 524 states have internal predecessors, (669), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:19:22,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 689 transitions. [2025-02-08 09:19:22,797 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 689 transitions. Word has length 54 [2025-02-08 09:19:22,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:22,797 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 689 transitions. [2025-02-08 09:19:22,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:22,797 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 689 transitions. [2025-02-08 09:19:22,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-08 09:19:22,797 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:22,797 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:22,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-02-08 09:19:22,798 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:22,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:22,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1087248578, now seen corresponding path program 1 times [2025-02-08 09:19:22,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:22,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724525697] [2025-02-08 09:19:22,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:22,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:22,801 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:19:22,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:19:22,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:22,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:22,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [219048716] [2025-02-08 09:19:22,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:22,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:22,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:22,806 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 09:19:22,812 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 09:19:22,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:19:22,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:19:22,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:22,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:22,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:19:22,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:22,885 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:19:22,885 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:22,935 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:19:22,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:22,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724525697] [2025-02-08 09:19:22,935 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:22,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219048716] [2025-02-08 09:19:22,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219048716] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:22,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:22,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2025-02-08 09:19:22,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465122745] [2025-02-08 09:19:22,936 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:22,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:19:22,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:22,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:19:22,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:19:22,937 INFO L87 Difference]: Start difference. First operand 539 states and 689 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:23,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:23,121 INFO L93 Difference]: Finished difference Result 599 states and 737 transitions. [2025-02-08 09:19:23,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:19:23,124 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2025-02-08 09:19:23,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:23,125 INFO L225 Difference]: With dead ends: 599 [2025-02-08 09:19:23,125 INFO L226 Difference]: Without dead ends: 597 [2025-02-08 09:19:23,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:19:23,126 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 251 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:23,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 246 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:23,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2025-02-08 09:19:23,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 540. [2025-02-08 09:19:23,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 492 states have (on average 1.3556910569105691) internal successors, (667), 525 states have internal predecessors, (667), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:19:23,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 687 transitions. [2025-02-08 09:19:23,140 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 687 transitions. Word has length 54 [2025-02-08 09:19:23,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:23,140 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 687 transitions. [2025-02-08 09:19:23,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:23,140 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 687 transitions. [2025-02-08 09:19:23,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-08 09:19:23,140 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:23,140 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:23,146 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 09:19:23,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-08 09:19:23,342 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:23,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:23,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1838555726, now seen corresponding path program 1 times [2025-02-08 09:19:23,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:23,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434806068] [2025-02-08 09:19:23,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:23,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:23,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-08 09:19:23,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:19:23,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:23,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:23,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:23,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:23,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434806068] [2025-02-08 09:19:23,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434806068] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:23,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:23,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:19:23,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283635625] [2025-02-08 09:19:23,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:23,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:19:23,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:23,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:19:23,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:19:23,407 INFO L87 Difference]: Start difference. First operand 540 states and 687 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:23,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:23,577 INFO L93 Difference]: Finished difference Result 542 states and 688 transitions. [2025-02-08 09:19:23,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:19:23,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2025-02-08 09:19:23,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:23,579 INFO L225 Difference]: With dead ends: 542 [2025-02-08 09:19:23,579 INFO L226 Difference]: Without dead ends: 519 [2025-02-08 09:19:23,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:19:23,579 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 44 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:23,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 122 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:23,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2025-02-08 09:19:23,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2025-02-08 09:19:23,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 471 states have (on average 1.3694267515923566) internal successors, (645), 504 states have internal predecessors, (645), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:19:23,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 665 transitions. [2025-02-08 09:19:23,593 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 665 transitions. Word has length 55 [2025-02-08 09:19:23,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:23,593 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 665 transitions. [2025-02-08 09:19:23,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:23,593 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 665 transitions. [2025-02-08 09:19:23,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-08 09:19:23,594 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:23,594 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:23,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-02-08 09:19:23,594 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:23,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:23,594 INFO L85 PathProgramCache]: Analyzing trace with hash 655032516, now seen corresponding path program 1 times [2025-02-08 09:19:23,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:23,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876619833] [2025-02-08 09:19:23,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:23,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:23,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-08 09:19:23,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:19:23,600 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:23,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:23,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [792832566] [2025-02-08 09:19:23,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:23,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:23,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:23,603 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 09:19:23,605 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 09:19:23,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-08 09:19:23,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:19:23,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:23,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:23,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:19:23,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:23,681 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:19:23,681 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:23,738 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:19:23,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:23,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876619833] [2025-02-08 09:19:23,739 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:23,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792832566] [2025-02-08 09:19:23,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792832566] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:23,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:23,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2025-02-08 09:19:23,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511135079] [2025-02-08 09:19:23,739 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:23,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:19:23,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:23,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:19:23,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:19:23,740 INFO L87 Difference]: Start difference. First operand 519 states and 665 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:23,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:23,874 INFO L93 Difference]: Finished difference Result 576 states and 711 transitions. [2025-02-08 09:19:23,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:19:23,874 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2025-02-08 09:19:23,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:23,876 INFO L225 Difference]: With dead ends: 576 [2025-02-08 09:19:23,876 INFO L226 Difference]: Without dead ends: 574 [2025-02-08 09:19:23,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:19:23,876 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 245 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:23,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 217 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:23,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2025-02-08 09:19:23,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 520. [2025-02-08 09:19:23,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 472 states have (on average 1.3622881355932204) internal successors, (643), 505 states have internal predecessors, (643), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:19:23,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 663 transitions. [2025-02-08 09:19:23,890 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 663 transitions. Word has length 55 [2025-02-08 09:19:23,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:23,890 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 663 transitions. [2025-02-08 09:19:23,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:23,890 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 663 transitions. [2025-02-08 09:19:23,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-02-08 09:19:23,890 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:23,891 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:23,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:24,091 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,SelfDestructingSolverStorable36 [2025-02-08 09:19:24,091 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:24,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:24,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1168828420, now seen corresponding path program 1 times [2025-02-08 09:19:24,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:24,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907687080] [2025-02-08 09:19:24,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:24,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:24,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-08 09:19:24,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-08 09:19:24,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:24,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:24,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [631507077] [2025-02-08 09:19:24,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:24,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:24,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:24,105 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 09:19:24,108 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 09:19:24,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-08 09:19:24,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-08 09:19:24,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:24,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:24,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:19:24,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:24,389 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:24,390 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:24,575 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:24,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:24,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907687080] [2025-02-08 09:19:24,575 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:24,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631507077] [2025-02-08 09:19:24,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631507077] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:24,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:24,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-08 09:19:24,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692338415] [2025-02-08 09:19:24,575 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:24,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:19:24,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:24,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:19:24,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:19:24,576 INFO L87 Difference]: Start difference. First operand 520 states and 663 transitions. Second operand has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:25,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:25,785 INFO L93 Difference]: Finished difference Result 585 states and 737 transitions. [2025-02-08 09:19:25,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-08 09:19:25,786 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 56 [2025-02-08 09:19:25,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:25,787 INFO L225 Difference]: With dead ends: 585 [2025-02-08 09:19:25,787 INFO L226 Difference]: Without dead ends: 581 [2025-02-08 09:19:25,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=597, Unknown=0, NotChecked=0, Total=812 [2025-02-08 09:19:25,788 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 972 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:25,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [972 Valid, 274 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-08 09:19:25,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2025-02-08 09:19:25,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 546. [2025-02-08 09:19:25,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 498 states have (on average 1.3393574297188755) internal successors, (667), 531 states have internal predecessors, (667), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:19:25,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 687 transitions. [2025-02-08 09:19:25,802 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 687 transitions. Word has length 56 [2025-02-08 09:19:25,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:25,802 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 687 transitions. [2025-02-08 09:19:25,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:25,802 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 687 transitions. [2025-02-08 09:19:25,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-02-08 09:19:25,803 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:25,803 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:25,808 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 09:19:26,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-02-08 09:19:26,007 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:26,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:26,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1356772483, now seen corresponding path program 1 times [2025-02-08 09:19:26,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:26,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046803360] [2025-02-08 09:19:26,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:26,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:26,010 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-08 09:19:26,013 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-08 09:19:26,013 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:26,013 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:26,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [351744359] [2025-02-08 09:19:26,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:26,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:26,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:26,015 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 09:19:26,021 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 09:19:26,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-08 09:19:26,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-08 09:19:26,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:26,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:26,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:19:26,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:26,160 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:26,160 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:26,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:26,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046803360] [2025-02-08 09:19:26,264 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:26,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351744359] [2025-02-08 09:19:26,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351744359] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:26,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:26,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-02-08 09:19:26,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705082910] [2025-02-08 09:19:26,264 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:26,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:19:26,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:26,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:19:26,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:26,265 INFO L87 Difference]: Start difference. First operand 546 states and 687 transitions. Second operand has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:26,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:26,893 INFO L93 Difference]: Finished difference Result 715 states and 858 transitions. [2025-02-08 09:19:26,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:19:26,893 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 56 [2025-02-08 09:19:26,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:26,895 INFO L225 Difference]: With dead ends: 715 [2025-02-08 09:19:26,895 INFO L226 Difference]: Without dead ends: 714 [2025-02-08 09:19:26,896 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:19:26,897 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 916 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 916 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:26,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [916 Valid, 383 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:19:26,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2025-02-08 09:19:26,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 600. [2025-02-08 09:19:26,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 551 states have (on average 1.3357531760435573) internal successors, (736), 584 states have internal predecessors, (736), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:19:26,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 758 transitions. [2025-02-08 09:19:26,914 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 758 transitions. Word has length 56 [2025-02-08 09:19:26,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:26,914 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 758 transitions. [2025-02-08 09:19:26,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:26,914 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 758 transitions. [2025-02-08 09:19:26,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-02-08 09:19:26,914 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:26,914 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:26,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-08 09:19:27,118 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,SelfDestructingSolverStorable38 [2025-02-08 09:19:27,118 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:27,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:27,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1873942590, now seen corresponding path program 1 times [2025-02-08 09:19:27,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:27,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592896942] [2025-02-08 09:19:27,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:27,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:27,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-08 09:19:27,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-08 09:19:27,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:27,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:27,160 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:27,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:27,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592896942] [2025-02-08 09:19:27,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592896942] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:27,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476762540] [2025-02-08 09:19:27,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:27,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:27,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:27,163 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 09:19:27,171 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 09:19:27,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-08 09:19:27,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-08 09:19:27,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:27,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:27,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:19:27,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:27,245 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:27,246 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:27,326 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:27,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476762540] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:27,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:27,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2025-02-08 09:19:27,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428344522] [2025-02-08 09:19:27,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:27,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:19:27,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:27,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:19:27,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:19:27,328 INFO L87 Difference]: Start difference. First operand 600 states and 758 transitions. Second operand has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:19:27,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:27,561 INFO L93 Difference]: Finished difference Result 619 states and 782 transitions. [2025-02-08 09:19:27,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:19:27,561 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 57 [2025-02-08 09:19:27,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:27,563 INFO L225 Difference]: With dead ends: 619 [2025-02-08 09:19:27,563 INFO L226 Difference]: Without dead ends: 617 [2025-02-08 09:19:27,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:19:27,564 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 294 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:27,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 342 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:27,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2025-02-08 09:19:27,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 598. [2025-02-08 09:19:27,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 551 states have (on average 1.3121597096188748) internal successors, (723), 582 states have internal predecessors, (723), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:19:27,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 745 transitions. [2025-02-08 09:19:27,578 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 745 transitions. Word has length 57 [2025-02-08 09:19:27,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:27,578 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 745 transitions. [2025-02-08 09:19:27,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:19:27,579 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 745 transitions. [2025-02-08 09:19:27,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-02-08 09:19:27,579 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:27,579 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:27,585 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 09:19:27,783 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,SelfDestructingSolverStorable39 [2025-02-08 09:19:27,783 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:27,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:27,785 INFO L85 PathProgramCache]: Analyzing trace with hash 889726057, now seen corresponding path program 1 times [2025-02-08 09:19:27,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:27,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813987684] [2025-02-08 09:19:27,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:27,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:27,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-08 09:19:27,791 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-08 09:19:27,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:27,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:27,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [415595429] [2025-02-08 09:19:27,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:27,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:27,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:27,802 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 09:19:27,803 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 09:19:27,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-08 09:19:27,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-08 09:19:27,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:27,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:27,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:19:27,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:28,018 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:28,018 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:28,124 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:28,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:28,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813987684] [2025-02-08 09:19:28,124 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:28,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415595429] [2025-02-08 09:19:28,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415595429] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:28,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:28,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-02-08 09:19:28,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345610422] [2025-02-08 09:19:28,125 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:28,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:19:28,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:28,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:19:28,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:28,126 INFO L87 Difference]: Start difference. First operand 598 states and 745 transitions. Second operand has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 12 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:28,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:28,633 INFO L93 Difference]: Finished difference Result 709 states and 837 transitions. [2025-02-08 09:19:28,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:19:28,633 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 12 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 57 [2025-02-08 09:19:28,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:28,635 INFO L225 Difference]: With dead ends: 709 [2025-02-08 09:19:28,635 INFO L226 Difference]: Without dead ends: 707 [2025-02-08 09:19:28,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:19:28,637 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 1219 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1219 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:28,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1219 Valid, 392 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:19:28,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2025-02-08 09:19:28,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 598. [2025-02-08 09:19:28,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 551 states have (on average 1.2976406533575318) internal successors, (715), 582 states have internal predecessors, (715), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:19:28,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 737 transitions. [2025-02-08 09:19:28,666 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 737 transitions. Word has length 57 [2025-02-08 09:19:28,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:28,666 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 737 transitions. [2025-02-08 09:19:28,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 12 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:28,666 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 737 transitions. [2025-02-08 09:19:28,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-02-08 09:19:28,666 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:28,666 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:28,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-08 09:19:28,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:28,867 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:28,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:28,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1811704059, now seen corresponding path program 1 times [2025-02-08 09:19:28,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:28,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944457557] [2025-02-08 09:19:28,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:28,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:28,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-08 09:19:28,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-08 09:19:28,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:28,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:28,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1437737701] [2025-02-08 09:19:28,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:28,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:28,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:28,879 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 09:19:28,880 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 09:19:28,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-08 09:19:28,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-08 09:19:28,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:28,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:28,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-08 09:19:28,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:29,336 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:29,337 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:29,713 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:29,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:29,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944457557] [2025-02-08 09:19:29,713 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:29,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437737701] [2025-02-08 09:19:29,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437737701] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:29,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:29,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2025-02-08 09:19:29,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080392991] [2025-02-08 09:19:29,714 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:29,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-08 09:19:29,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:29,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-08 09:19:29,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:19:29,720 INFO L87 Difference]: Start difference. First operand 598 states and 737 transitions. Second operand has 24 states, 23 states have (on average 4.565217391304348) internal successors, (105), 24 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:31,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:31,501 INFO L93 Difference]: Finished difference Result 680 states and 834 transitions. [2025-02-08 09:19:31,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-02-08 09:19:31,501 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.565217391304348) internal successors, (105), 24 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 58 [2025-02-08 09:19:31,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:31,503 INFO L225 Difference]: With dead ends: 680 [2025-02-08 09:19:31,503 INFO L226 Difference]: Without dead ends: 678 [2025-02-08 09:19:31,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=353, Invalid=1809, Unknown=0, NotChecked=0, Total=2162 [2025-02-08 09:19:31,506 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 492 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 2212 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 2236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:31,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 596 Invalid, 2236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2212 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-08 09:19:31,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2025-02-08 09:19:31,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 600. [2025-02-08 09:19:31,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 553 states have (on average 1.2929475587703436) internal successors, (715), 584 states have internal predecessors, (715), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:19:31,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 737 transitions. [2025-02-08 09:19:31,549 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 737 transitions. Word has length 58 [2025-02-08 09:19:31,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:31,550 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 737 transitions. [2025-02-08 09:19:31,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.565217391304348) internal successors, (105), 24 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:31,550 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 737 transitions. [2025-02-08 09:19:31,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-08 09:19:31,554 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:31,555 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:31,563 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 09:19:31,755 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,SelfDestructingSolverStorable41 [2025-02-08 09:19:31,755 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:31,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:31,756 INFO L85 PathProgramCache]: Analyzing trace with hash 328251047, now seen corresponding path program 1 times [2025-02-08 09:19:31,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:31,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918700508] [2025-02-08 09:19:31,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:31,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:31,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 09:19:31,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 09:19:31,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:31,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:31,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [620201539] [2025-02-08 09:19:31,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:31,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:31,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:31,765 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 09:19:31,769 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 09:19:31,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 09:19:31,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 09:19:31,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:31,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:31,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 09:19:31,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:32,070 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:32,070 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:32,344 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:32,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:32,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918700508] [2025-02-08 09:19:32,345 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:32,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620201539] [2025-02-08 09:19:32,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620201539] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:32,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:32,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-02-08 09:19:32,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769067779] [2025-02-08 09:19:32,345 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:32,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:19:32,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:32,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:19:32,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:19:32,346 INFO L87 Difference]: Start difference. First operand 600 states and 737 transitions. Second operand has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:34,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:34,274 INFO L93 Difference]: Finished difference Result 711 states and 875 transitions. [2025-02-08 09:19:34,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-02-08 09:19:34,275 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 59 [2025-02-08 09:19:34,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:34,276 INFO L225 Difference]: With dead ends: 711 [2025-02-08 09:19:34,277 INFO L226 Difference]: Without dead ends: 706 [2025-02-08 09:19:34,277 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=357, Invalid=1623, Unknown=0, NotChecked=0, Total=1980 [2025-02-08 09:19:34,278 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 670 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 1696 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 1720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:34,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 439 Invalid, 1720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1696 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-08 09:19:34,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2025-02-08 09:19:34,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 614. [2025-02-08 09:19:34,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 567 states have (on average 1.2857142857142858) internal successors, (729), 598 states have internal predecessors, (729), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:19:34,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 751 transitions. [2025-02-08 09:19:34,297 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 751 transitions. Word has length 59 [2025-02-08 09:19:34,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:34,297 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 751 transitions. [2025-02-08 09:19:34,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:34,297 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 751 transitions. [2025-02-08 09:19:34,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-02-08 09:19:34,298 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:34,298 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:34,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:34,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:34,502 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:34,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:34,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1585847929, now seen corresponding path program 1 times [2025-02-08 09:19:34,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:34,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16501397] [2025-02-08 09:19:34,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:34,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:34,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-08 09:19:34,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-08 09:19:34,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:34,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:34,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1696919863] [2025-02-08 09:19:34,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:34,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:34,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:34,517 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 09:19:34,525 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 09:19:34,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-08 09:19:34,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-08 09:19:34,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:34,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:34,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:19:34,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:34,778 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:34,779 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:34,943 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:34,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:34,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16501397] [2025-02-08 09:19:34,943 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:34,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696919863] [2025-02-08 09:19:34,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696919863] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:34,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:34,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-08 09:19:34,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667546573] [2025-02-08 09:19:34,943 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:34,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:19:34,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:34,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:19:34,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:19:34,944 INFO L87 Difference]: Start difference. First operand 614 states and 751 transitions. Second operand has 14 states, 13 states have (on average 8.384615384615385) internal successors, (109), 14 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:35,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:35,934 INFO L93 Difference]: Finished difference Result 717 states and 876 transitions. [2025-02-08 09:19:35,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-08 09:19:35,935 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.384615384615385) internal successors, (109), 14 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 60 [2025-02-08 09:19:35,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:35,936 INFO L225 Difference]: With dead ends: 717 [2025-02-08 09:19:35,937 INFO L226 Difference]: Without dead ends: 715 [2025-02-08 09:19:35,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=704, Unknown=0, NotChecked=0, Total=870 [2025-02-08 09:19:35,937 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 398 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:35,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 442 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:19:35,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2025-02-08 09:19:35,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 625. [2025-02-08 09:19:35,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 578 states have (on average 1.2906574394463668) internal successors, (746), 609 states have internal predecessors, (746), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:19:35,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 768 transitions. [2025-02-08 09:19:35,966 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 768 transitions. Word has length 60 [2025-02-08 09:19:35,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:35,966 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 768 transitions. [2025-02-08 09:19:35,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.384615384615385) internal successors, (109), 14 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:35,966 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 768 transitions. [2025-02-08 09:19:35,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-02-08 09:19:35,967 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:35,967 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:35,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:36,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:36,168 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:36,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:36,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1674337726, now seen corresponding path program 1 times [2025-02-08 09:19:36,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:36,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299279744] [2025-02-08 09:19:36,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:36,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:36,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-08 09:19:36,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-08 09:19:36,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:36,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:36,228 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:36,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:36,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299279744] [2025-02-08 09:19:36,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299279744] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:36,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378365798] [2025-02-08 09:19:36,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:36,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:36,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:36,231 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 09:19:36,261 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 09:19:36,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-08 09:19:36,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-08 09:19:36,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:36,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:36,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:19:36,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:36,433 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:36,433 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:36,657 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:36,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378365798] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:36,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:36,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-02-08 09:19:36,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045817793] [2025-02-08 09:19:36,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:36,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:19:36,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:36,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:19:36,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:19:36,659 INFO L87 Difference]: Start difference. First operand 625 states and 768 transitions. Second operand has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:37,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:37,038 INFO L93 Difference]: Finished difference Result 826 states and 1034 transitions. [2025-02-08 09:19:37,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:19:37,038 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 61 [2025-02-08 09:19:37,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:37,040 INFO L225 Difference]: With dead ends: 826 [2025-02-08 09:19:37,040 INFO L226 Difference]: Without dead ends: 824 [2025-02-08 09:19:37,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:19:37,041 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 315 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:37,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 219 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:19:37,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2025-02-08 09:19:37,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 790. [2025-02-08 09:19:37,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 740 states have (on average 1.3148648648648649) internal successors, (973), 771 states have internal predecessors, (973), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:19:37,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1001 transitions. [2025-02-08 09:19:37,061 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1001 transitions. Word has length 61 [2025-02-08 09:19:37,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:37,061 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1001 transitions. [2025-02-08 09:19:37,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:37,062 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1001 transitions. [2025-02-08 09:19:37,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-08 09:19:37,062 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:37,062 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 09:19:37,068 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 09:19:37,262 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,SelfDestructingSolverStorable44 [2025-02-08 09:19:37,263 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:37,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:37,263 INFO L85 PathProgramCache]: Analyzing trace with hash 364862006, now seen corresponding path program 1 times [2025-02-08 09:19:37,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:37,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862861886] [2025-02-08 09:19:37,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:37,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:37,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-08 09:19:37,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-08 09:19:37,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:37,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:37,300 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:37,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:37,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862861886] [2025-02-08 09:19:37,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862861886] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:19:37,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:19:37,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:19:37,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291423619] [2025-02-08 09:19:37,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:19:37,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:19:37,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:37,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:19:37,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:19:37,301 INFO L87 Difference]: Start difference. First operand 790 states and 1001 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:37,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:37,512 INFO L93 Difference]: Finished difference Result 1074 states and 1384 transitions. [2025-02-08 09:19:37,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:19:37,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2025-02-08 09:19:37,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:37,515 INFO L225 Difference]: With dead ends: 1074 [2025-02-08 09:19:37,515 INFO L226 Difference]: Without dead ends: 1072 [2025-02-08 09:19:37,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:19:37,516 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 90 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:37,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 304 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:37,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2025-02-08 09:19:37,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 992. [2025-02-08 09:19:37,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 937 states have (on average 1.3383137673425827) internal successors, (1254), 968 states have internal predecessors, (1254), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-08 09:19:37,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1292 transitions. [2025-02-08 09:19:37,551 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1292 transitions. Word has length 62 [2025-02-08 09:19:37,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:37,551 INFO L471 AbstractCegarLoop]: Abstraction has 992 states and 1292 transitions. [2025-02-08 09:19:37,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:19:37,551 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1292 transitions. [2025-02-08 09:19:37,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-02-08 09:19:37,551 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:37,552 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:37,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2025-02-08 09:19:37,552 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:37,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:37,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1574179652, now seen corresponding path program 1 times [2025-02-08 09:19:37,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:37,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798705175] [2025-02-08 09:19:37,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:37,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:37,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 09:19:37,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 09:19:37,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:37,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:37,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1359762536] [2025-02-08 09:19:37,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:37,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:37,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:37,566 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 09:19:37,567 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 09:19:37,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 09:19:37,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 09:19:37,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:37,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:37,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 09:19:37,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:37,862 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:37,862 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:38,011 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:19:38,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:38,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798705175] [2025-02-08 09:19:38,012 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:38,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359762536] [2025-02-08 09:19:38,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359762536] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:38,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:38,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2025-02-08 09:19:38,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783206826] [2025-02-08 09:19:38,012 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:38,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:19:38,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:38,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:19:38,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:19:38,013 INFO L87 Difference]: Start difference. First operand 992 states and 1292 transitions. Second operand has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:39,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:39,423 INFO L93 Difference]: Finished difference Result 1033 states and 1341 transitions. [2025-02-08 09:19:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-08 09:19:39,423 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 63 [2025-02-08 09:19:39,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:39,425 INFO L225 Difference]: With dead ends: 1033 [2025-02-08 09:19:39,425 INFO L226 Difference]: Without dead ends: 1007 [2025-02-08 09:19:39,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:19:39,426 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 355 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:39,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 206 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-08 09:19:39,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1007 states. [2025-02-08 09:19:39,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1007 to 977. [2025-02-08 09:19:39,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 922 states have (on average 1.3394793926247288) internal successors, (1235), 953 states have internal predecessors, (1235), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-08 09:19:39,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1273 transitions. [2025-02-08 09:19:39,459 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1273 transitions. Word has length 63 [2025-02-08 09:19:39,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:39,459 INFO L471 AbstractCegarLoop]: Abstraction has 977 states and 1273 transitions. [2025-02-08 09:19:39,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:39,460 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1273 transitions. [2025-02-08 09:19:39,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-08 09:19:39,460 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:39,460 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:39,467 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 09:19:39,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-02-08 09:19:39,661 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:39,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:39,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1494045045, now seen corresponding path program 1 times [2025-02-08 09:19:39,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:39,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959571067] [2025-02-08 09:19:39,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:39,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:39,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 09:19:39,670 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 09:19:39,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:39,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:39,725 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:39,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:39,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959571067] [2025-02-08 09:19:39,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959571067] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:39,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692337451] [2025-02-08 09:19:39,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:39,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:39,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:39,730 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 09:19:39,732 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 09:19:39,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 09:19:39,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 09:19:39,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:39,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:39,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:19:39,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:39,834 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:39,834 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:39,947 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:39,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692337451] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:39,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:39,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2025-02-08 09:19:39,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717978671] [2025-02-08 09:19:39,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:39,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:19:39,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:39,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:19:39,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:19:39,948 INFO L87 Difference]: Start difference. First operand 977 states and 1273 transitions. Second operand has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:40,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:40,246 INFO L93 Difference]: Finished difference Result 1013 states and 1297 transitions. [2025-02-08 09:19:40,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:19:40,246 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2025-02-08 09:19:40,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:40,248 INFO L225 Difference]: With dead ends: 1013 [2025-02-08 09:19:40,248 INFO L226 Difference]: Without dead ends: 1011 [2025-02-08 09:19:40,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 124 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:40,250 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 160 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:40,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 263 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:40,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2025-02-08 09:19:40,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 981. [2025-02-08 09:19:40,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 926 states have (on average 1.326133909287257) internal successors, (1228), 957 states have internal predecessors, (1228), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-08 09:19:40,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1266 transitions. [2025-02-08 09:19:40,296 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1266 transitions. Word has length 64 [2025-02-08 09:19:40,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:40,296 INFO L471 AbstractCegarLoop]: Abstraction has 981 states and 1266 transitions. [2025-02-08 09:19:40,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:40,296 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1266 transitions. [2025-02-08 09:19:40,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-02-08 09:19:40,297 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:40,297 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 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 09:19:40,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-02-08 09:19:40,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-02-08 09:19:40,499 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:40,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:40,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1258213107, now seen corresponding path program 1 times [2025-02-08 09:19:40,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:40,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827717466] [2025-02-08 09:19:40,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:40,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:40,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-02-08 09:19:40,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-02-08 09:19:40,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:40,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:40,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [45462782] [2025-02-08 09:19:40,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:40,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:40,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:40,512 INFO L229 MonitoredProcess]: Starting monitored process 34 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 09:19:40,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-02-08 09:19:40,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-02-08 09:19:40,546 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-02-08 09:19:40,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:40,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:40,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:19:40,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:40,831 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:40,831 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:19:41,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:41,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827717466] [2025-02-08 09:19:41,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:41,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45462782] [2025-02-08 09:19:41,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45462782] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:41,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:41,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2025-02-08 09:19:41,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314380783] [2025-02-08 09:19:41,044 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:41,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:19:41,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:41,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:19:41,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:19:41,044 INFO L87 Difference]: Start difference. First operand 981 states and 1266 transitions. Second operand has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 15 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:42,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:42,580 INFO L93 Difference]: Finished difference Result 1028 states and 1320 transitions. [2025-02-08 09:19:42,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-08 09:19:42,580 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 15 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 66 [2025-02-08 09:19:42,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:42,582 INFO L225 Difference]: With dead ends: 1028 [2025-02-08 09:19:42,582 INFO L226 Difference]: Without dead ends: 1025 [2025-02-08 09:19:42,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2025-02-08 09:19:42,583 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 284 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 1478 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 1497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:42,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 251 Invalid, 1497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1478 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-08 09:19:42,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2025-02-08 09:19:42,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 986. [2025-02-08 09:19:42,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 932 states have (on average 1.3165236051502145) internal successors, (1227), 962 states have internal predecessors, (1227), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-08 09:19:42,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1265 transitions. [2025-02-08 09:19:42,613 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1265 transitions. Word has length 66 [2025-02-08 09:19:42,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:42,613 INFO L471 AbstractCegarLoop]: Abstraction has 986 states and 1265 transitions. [2025-02-08 09:19:42,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 15 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:42,613 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1265 transitions. [2025-02-08 09:19:42,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-02-08 09:19:42,613 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:42,614 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:42,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-02-08 09:19:42,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:42,818 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:42,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:42,819 INFO L85 PathProgramCache]: Analyzing trace with hash 684073319, now seen corresponding path program 1 times [2025-02-08 09:19:42,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:42,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291916244] [2025-02-08 09:19:42,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:42,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:42,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-08 09:19:42,824 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-08 09:19:42,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:42,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:42,861 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:42,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:42,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291916244] [2025-02-08 09:19:42,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291916244] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:42,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14118632] [2025-02-08 09:19:42,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:42,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:42,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:42,865 INFO L229 MonitoredProcess]: Starting monitored process 35 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 09:19:42,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-02-08 09:19:42,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-08 09:19:42,898 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-08 09:19:42,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:42,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:42,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:19:42,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:43,047 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:43,047 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:43,161 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:43,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14118632] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:43,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:43,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-02-08 09:19:43,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837944014] [2025-02-08 09:19:43,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:43,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:19:43,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:43,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:19:43,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:19:43,162 INFO L87 Difference]: Start difference. First operand 986 states and 1265 transitions. Second operand has 11 states, 10 states have (on average 19.2) internal successors, (192), 11 states have internal predecessors, (192), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:19:43,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:43,419 INFO L93 Difference]: Finished difference Result 1325 states and 1698 transitions. [2025-02-08 09:19:43,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:19:43,420 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 19.2) internal successors, (192), 11 states have internal predecessors, (192), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 73 [2025-02-08 09:19:43,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:43,422 INFO L225 Difference]: With dead ends: 1325 [2025-02-08 09:19:43,422 INFO L226 Difference]: Without dead ends: 1324 [2025-02-08 09:19:43,423 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:19:43,423 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 466 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:43,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 273 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:19:43,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2025-02-08 09:19:43,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1191. [2025-02-08 09:19:43,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 1131 states have (on average 1.3200707338638373) internal successors, (1493), 1161 states have internal predecessors, (1493), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:19:43,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1543 transitions. [2025-02-08 09:19:43,461 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1543 transitions. Word has length 73 [2025-02-08 09:19:43,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:43,461 INFO L471 AbstractCegarLoop]: Abstraction has 1191 states and 1543 transitions. [2025-02-08 09:19:43,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 19.2) internal successors, (192), 11 states have internal predecessors, (192), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:19:43,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1543 transitions. [2025-02-08 09:19:43,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-08 09:19:43,461 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:43,461 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:43,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:43,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-02-08 09:19:43,666 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:43,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:43,666 INFO L85 PathProgramCache]: Analyzing trace with hash 969286573, now seen corresponding path program 1 times [2025-02-08 09:19:43,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:43,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446407142] [2025-02-08 09:19:43,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:43,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:43,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 09:19:43,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 09:19:43,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:43,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:43,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:43,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446407142] [2025-02-08 09:19:43,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446407142] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:43,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374406950] [2025-02-08 09:19:43,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:43,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:43,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:43,715 INFO L229 MonitoredProcess]: Starting monitored process 36 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 09:19:43,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-02-08 09:19:43,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 09:19:43,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 09:19:43,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:43,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:43,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:19:43,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:43,900 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:43,901 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:44,039 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:44,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374406950] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:44,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:44,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-02-08 09:19:44,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240354125] [2025-02-08 09:19:44,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:44,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:19:44,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:44,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:19:44,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:19:44,041 INFO L87 Difference]: Start difference. First operand 1191 states and 1543 transitions. Second operand has 10 states, 9 states have (on average 18.77777777777778) internal successors, (169), 10 states have internal predecessors, (169), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:19:44,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:44,459 INFO L93 Difference]: Finished difference Result 1663 states and 2150 transitions. [2025-02-08 09:19:44,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:19:44,460 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.77777777777778) internal successors, (169), 10 states have internal predecessors, (169), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 76 [2025-02-08 09:19:44,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:44,463 INFO L225 Difference]: With dead ends: 1663 [2025-02-08 09:19:44,464 INFO L226 Difference]: Without dead ends: 1662 [2025-02-08 09:19:44,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:19:44,464 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 336 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:44,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 649 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:19:44,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2025-02-08 09:19:44,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1449. [2025-02-08 09:19:44,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1449 states, 1381 states have (on average 1.329471397538016) internal successors, (1836), 1411 states have internal predecessors, (1836), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 09:19:44,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 1902 transitions. [2025-02-08 09:19:44,514 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 1902 transitions. Word has length 76 [2025-02-08 09:19:44,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:44,515 INFO L471 AbstractCegarLoop]: Abstraction has 1449 states and 1902 transitions. [2025-02-08 09:19:44,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.77777777777778) internal successors, (169), 10 states have internal predecessors, (169), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:19:44,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1902 transitions. [2025-02-08 09:19:44,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-08 09:19:44,515 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:44,515 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:44,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:44,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:44,716 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:44,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:44,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1746400854, now seen corresponding path program 1 times [2025-02-08 09:19:44,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:44,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588564111] [2025-02-08 09:19:44,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:44,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:44,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 09:19:44,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 09:19:44,732 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:44,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:44,850 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:44,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:44,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588564111] [2025-02-08 09:19:44,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588564111] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:44,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820101406] [2025-02-08 09:19:44,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:44,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:44,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:44,852 INFO L229 MonitoredProcess]: Starting monitored process 37 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 09:19:44,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-02-08 09:19:44,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 09:19:44,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 09:19:44,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:44,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:44,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:19:44,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:45,176 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:45,176 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:45,425 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:45,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820101406] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:45,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:45,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2025-02-08 09:19:45,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788627813] [2025-02-08 09:19:45,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:45,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:19:45,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:45,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:19:45,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:19:45,426 INFO L87 Difference]: Start difference. First operand 1449 states and 1902 transitions. Second operand has 18 states, 17 states have (on average 12.294117647058824) internal successors, (209), 18 states have internal predecessors, (209), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:19:46,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:46,138 INFO L93 Difference]: Finished difference Result 1635 states and 2119 transitions. [2025-02-08 09:19:46,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:19:46,138 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 12.294117647058824) internal successors, (209), 18 states have internal predecessors, (209), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 80 [2025-02-08 09:19:46,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:46,141 INFO L225 Difference]: With dead ends: 1635 [2025-02-08 09:19:46,141 INFO L226 Difference]: Without dead ends: 1634 [2025-02-08 09:19:46,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2025-02-08 09:19:46,142 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 802 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:46,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [803 Valid, 518 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:19:46,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1634 states. [2025-02-08 09:19:46,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1634 to 1505. [2025-02-08 09:19:46,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1435 states have (on average 1.3289198606271777) internal successors, (1907), 1465 states have internal predecessors, (1907), 35 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:19:46,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 1977 transitions. [2025-02-08 09:19:46,196 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 1977 transitions. Word has length 80 [2025-02-08 09:19:46,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:46,196 INFO L471 AbstractCegarLoop]: Abstraction has 1505 states and 1977 transitions. [2025-02-08 09:19:46,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 12.294117647058824) internal successors, (209), 18 states have internal predecessors, (209), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:19:46,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1977 transitions. [2025-02-08 09:19:46,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-08 09:19:46,197 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:46,197 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 09:19:46,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-02-08 09:19:46,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:46,397 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:46,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:46,398 INFO L85 PathProgramCache]: Analyzing trace with hash 908349525, now seen corresponding path program 1 times [2025-02-08 09:19:46,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:46,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812164870] [2025-02-08 09:19:46,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:46,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:46,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-08 09:19:46,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-08 09:19:46,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:46,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:46,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2105201942] [2025-02-08 09:19:46,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:46,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:46,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:46,410 INFO L229 MonitoredProcess]: Starting monitored process 38 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 09:19:46,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-02-08 09:19:46,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-08 09:19:46,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-08 09:19:46,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:46,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:46,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:19:46,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:46,634 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:46,924 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:46,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:46,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812164870] [2025-02-08 09:19:46,925 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:46,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105201942] [2025-02-08 09:19:46,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105201942] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:46,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:46,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-08 09:19:46,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831501848] [2025-02-08 09:19:46,925 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:46,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:19:46,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:46,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:19:46,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:19:46,926 INFO L87 Difference]: Start difference. First operand 1505 states and 1977 transitions. Second operand has 14 states, 13 states have (on average 10.846153846153847) internal successors, (141), 14 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:48,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:48,033 INFO L93 Difference]: Finished difference Result 1513 states and 1978 transitions. [2025-02-08 09:19:48,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-08 09:19:48,033 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.846153846153847) internal successors, (141), 14 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 81 [2025-02-08 09:19:48,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:48,036 INFO L225 Difference]: With dead ends: 1513 [2025-02-08 09:19:48,040 INFO L226 Difference]: Without dead ends: 1511 [2025-02-08 09:19:48,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2025-02-08 09:19:48,041 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 202 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:48,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 711 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:19:48,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2025-02-08 09:19:48,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1505. [2025-02-08 09:19:48,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1435 states have (on average 1.3254355400696864) internal successors, (1902), 1465 states have internal predecessors, (1902), 35 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:19:48,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 1972 transitions. [2025-02-08 09:19:48,093 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 1972 transitions. Word has length 81 [2025-02-08 09:19:48,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:48,093 INFO L471 AbstractCegarLoop]: Abstraction has 1505 states and 1972 transitions. [2025-02-08 09:19:48,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.846153846153847) internal successors, (141), 14 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:48,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1972 transitions. [2025-02-08 09:19:48,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-08 09:19:48,094 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:48,097 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 09:19:48,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:48,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:48,298 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:48,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:48,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1905935799, now seen corresponding path program 1 times [2025-02-08 09:19:48,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:48,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899879121] [2025-02-08 09:19:48,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:48,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:48,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-08 09:19:48,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-08 09:19:48,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:48,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:48,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1070339580] [2025-02-08 09:19:48,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:48,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:48,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:48,317 INFO L229 MonitoredProcess]: Starting monitored process 39 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 09:19:48,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-02-08 09:19:48,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-08 09:19:48,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-08 09:19:48,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:48,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:48,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:19:48,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:48,650 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:48,650 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:48,814 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:48,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:48,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899879121] [2025-02-08 09:19:48,814 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:48,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070339580] [2025-02-08 09:19:48,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070339580] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:48,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:48,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-02-08 09:19:48,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719724647] [2025-02-08 09:19:48,814 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:48,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:19:48,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:48,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:19:48,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:19:48,815 INFO L87 Difference]: Start difference. First operand 1505 states and 1972 transitions. Second operand has 18 states, 17 states have (on average 8.647058823529411) internal successors, (147), 18 states have internal predecessors, (147), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:49,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:49,742 INFO L93 Difference]: Finished difference Result 1509 states and 1973 transitions. [2025-02-08 09:19:49,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-08 09:19:49,743 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 8.647058823529411) internal successors, (147), 18 states have internal predecessors, (147), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 82 [2025-02-08 09:19:49,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:49,746 INFO L225 Difference]: With dead ends: 1509 [2025-02-08 09:19:49,746 INFO L226 Difference]: Without dead ends: 1508 [2025-02-08 09:19:49,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=849, Unknown=0, NotChecked=0, Total=1056 [2025-02-08 09:19:49,750 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 473 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:49,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 419 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:19:49,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2025-02-08 09:19:49,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1505. [2025-02-08 09:19:49,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1435 states have (on average 1.3233449477351917) internal successors, (1899), 1465 states have internal predecessors, (1899), 35 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:19:49,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 1969 transitions. [2025-02-08 09:19:49,866 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 1969 transitions. Word has length 82 [2025-02-08 09:19:49,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:49,867 INFO L471 AbstractCegarLoop]: Abstraction has 1505 states and 1969 transitions. [2025-02-08 09:19:49,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.647058823529411) internal successors, (147), 18 states have internal predecessors, (147), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:49,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1969 transitions. [2025-02-08 09:19:49,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-08 09:19:49,867 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:49,867 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:49,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2025-02-08 09:19:50,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2025-02-08 09:19:50,068 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:50,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:50,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1040993032, now seen corresponding path program 1 times [2025-02-08 09:19:50,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:50,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975061709] [2025-02-08 09:19:50,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:50,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:50,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-08 09:19:50,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-08 09:19:50,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:50,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:50,151 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:50,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:50,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975061709] [2025-02-08 09:19:50,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975061709] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:50,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499394564] [2025-02-08 09:19:50,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:50,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:50,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:50,158 INFO L229 MonitoredProcess]: Starting monitored process 40 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 09:19:50,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-02-08 09:19:50,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-08 09:19:50,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-08 09:19:50,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:50,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:50,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:19:50,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:50,300 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:50,300 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:50,392 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:50,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499394564] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:50,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:50,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-02-08 09:19:50,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722211150] [2025-02-08 09:19:50,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:50,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:19:50,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:50,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:19:50,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:50,393 INFO L87 Difference]: Start difference. First operand 1505 states and 1969 transitions. Second operand has 12 states, 11 states have (on average 16.0) internal successors, (176), 12 states have internal predecessors, (176), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:19:50,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:50,554 INFO L93 Difference]: Finished difference Result 2088 states and 2709 transitions. [2025-02-08 09:19:50,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:19:50,554 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 16.0) internal successors, (176), 12 states have internal predecessors, (176), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 82 [2025-02-08 09:19:50,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:50,558 INFO L225 Difference]: With dead ends: 2088 [2025-02-08 09:19:50,558 INFO L226 Difference]: Without dead ends: 2087 [2025-02-08 09:19:50,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:19:50,558 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 320 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:50,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 843 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:19:50,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2087 states. [2025-02-08 09:19:50,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2087 to 1847. [2025-02-08 09:19:50,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1847 states, 1768 states have (on average 1.333710407239819) internal successors, (2358), 1798 states have internal predecessors, (2358), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-02-08 09:19:50,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2446 transitions. [2025-02-08 09:19:50,619 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2446 transitions. Word has length 82 [2025-02-08 09:19:50,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:50,619 INFO L471 AbstractCegarLoop]: Abstraction has 1847 states and 2446 transitions. [2025-02-08 09:19:50,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 16.0) internal successors, (176), 12 states have internal predecessors, (176), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:19:50,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2446 transitions. [2025-02-08 09:19:50,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-08 09:19:50,620 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:50,620 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:50,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:50,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:50,820 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:50,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:50,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1949850602, now seen corresponding path program 1 times [2025-02-08 09:19:50,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:50,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28515140] [2025-02-08 09:19:50,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:50,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:50,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 09:19:50,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 09:19:50,828 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:50,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:50,896 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:50,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:50,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28515140] [2025-02-08 09:19:50,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28515140] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:50,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71662730] [2025-02-08 09:19:50,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:50,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:50,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:50,899 INFO L229 MonitoredProcess]: Starting monitored process 41 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 09:19:50,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-02-08 09:19:50,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 09:19:50,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 09:19:50,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:50,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:50,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:19:50,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:51,008 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:19:51,009 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:51,109 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:51,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71662730] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:51,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:51,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 15 [2025-02-08 09:19:51,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32381356] [2025-02-08 09:19:51,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:51,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:19:51,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:51,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:19:51,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:19:51,111 INFO L87 Difference]: Start difference. First operand 1847 states and 2446 transitions. Second operand has 15 states, 15 states have (on average 11.133333333333333) internal successors, (167), 15 states have internal predecessors, (167), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 09:19:51,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:51,272 INFO L93 Difference]: Finished difference Result 2437 states and 3191 transitions. [2025-02-08 09:19:51,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:19:51,272 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 11.133333333333333) internal successors, (167), 15 states have internal predecessors, (167), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 86 [2025-02-08 09:19:51,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:51,276 INFO L225 Difference]: With dead ends: 2437 [2025-02-08 09:19:51,276 INFO L226 Difference]: Without dead ends: 2247 [2025-02-08 09:19:51,277 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 164 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=166, Invalid=340, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:19:51,277 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 176 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:51,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 1133 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:19:51,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2247 states. [2025-02-08 09:19:51,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2247 to 2035. [2025-02-08 09:19:51,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2035 states, 1952 states have (on average 1.3104508196721312) internal successors, (2558), 1982 states have internal predecessors, (2558), 47 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-02-08 09:19:51,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 2035 states and 2652 transitions. [2025-02-08 09:19:51,347 INFO L78 Accepts]: Start accepts. Automaton has 2035 states and 2652 transitions. Word has length 86 [2025-02-08 09:19:51,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:51,347 INFO L471 AbstractCegarLoop]: Abstraction has 2035 states and 2652 transitions. [2025-02-08 09:19:51,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.133333333333333) internal successors, (167), 15 states have internal predecessors, (167), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 09:19:51,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2652 transitions. [2025-02-08 09:19:51,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-08 09:19:51,348 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:51,348 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:51,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:51,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2025-02-08 09:19:51,550 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:51,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:51,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1852567361, now seen corresponding path program 1 times [2025-02-08 09:19:51,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:51,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904841668] [2025-02-08 09:19:51,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:51,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:51,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 09:19:51,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 09:19:51,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:51,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:51,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1952436059] [2025-02-08 09:19:51,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:51,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:51,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:51,564 INFO L229 MonitoredProcess]: Starting monitored process 42 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 09:19:51,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-02-08 09:19:51,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 09:19:51,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 09:19:51,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:51,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:51,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:19:51,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:52,059 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:52,376 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:52,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:52,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904841668] [2025-02-08 09:19:52,376 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:52,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952436059] [2025-02-08 09:19:52,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952436059] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:52,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:52,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-02-08 09:19:52,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462626702] [2025-02-08 09:19:52,376 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:52,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:19:52,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:52,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:19:52,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:19:52,377 INFO L87 Difference]: Start difference. First operand 2035 states and 2652 transitions. Second operand has 18 states, 17 states have (on average 9.352941176470589) internal successors, (159), 18 states have internal predecessors, (159), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:53,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:53,905 INFO L93 Difference]: Finished difference Result 2077 states and 2700 transitions. [2025-02-08 09:19:53,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-02-08 09:19:53,905 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.352941176470589) internal successors, (159), 18 states have internal predecessors, (159), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 90 [2025-02-08 09:19:53,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:53,908 INFO L225 Difference]: With dead ends: 2077 [2025-02-08 09:19:53,908 INFO L226 Difference]: Without dead ends: 2076 [2025-02-08 09:19:53,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=190, Invalid=932, Unknown=0, NotChecked=0, Total=1122 [2025-02-08 09:19:53,909 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 170 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 1691 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 1715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:53,909 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 518 Invalid, 1715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1691 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-08 09:19:53,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2025-02-08 09:19:53,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 2035. [2025-02-08 09:19:53,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2035 states, 1952 states have (on average 1.309938524590164) internal successors, (2557), 1982 states have internal predecessors, (2557), 47 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-02-08 09:19:53,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 2035 states and 2651 transitions. [2025-02-08 09:19:53,976 INFO L78 Accepts]: Start accepts. Automaton has 2035 states and 2651 transitions. Word has length 90 [2025-02-08 09:19:53,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:53,977 INFO L471 AbstractCegarLoop]: Abstraction has 2035 states and 2651 transitions. [2025-02-08 09:19:53,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.352941176470589) internal successors, (159), 18 states have internal predecessors, (159), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:53,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2651 transitions. [2025-02-08 09:19:53,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-08 09:19:53,977 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:53,978 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 09:19:53,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:54,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2025-02-08 09:19:54,182 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:54,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:54,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1595013323, now seen corresponding path program 1 times [2025-02-08 09:19:54,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:54,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192633608] [2025-02-08 09:19:54,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:54,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:54,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 09:19:54,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:19:54,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:54,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:54,285 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:54,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:54,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192633608] [2025-02-08 09:19:54,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192633608] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:54,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25634663] [2025-02-08 09:19:54,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:54,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:54,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:54,289 INFO L229 MonitoredProcess]: Starting monitored process 43 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 09:19:54,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-02-08 09:19:54,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 09:19:54,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:19:54,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:54,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:54,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:19:54,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:54,540 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:54,541 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:54,757 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:54,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25634663] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:54,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:19:54,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2025-02-08 09:19:54,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124658248] [2025-02-08 09:19:54,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:54,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-08 09:19:54,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:54,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-08 09:19:54,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:19:54,759 INFO L87 Difference]: Start difference. First operand 2035 states and 2651 transitions. Second operand has 23 states, 22 states have (on average 10.818181818181818) internal successors, (238), 23 states have internal predecessors, (238), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:19:55,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:55,493 INFO L93 Difference]: Finished difference Result 2064 states and 2683 transitions. [2025-02-08 09:19:55,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-08 09:19:55,494 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.818181818181818) internal successors, (238), 23 states have internal predecessors, (238), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 91 [2025-02-08 09:19:55,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:55,497 INFO L225 Difference]: With dead ends: 2064 [2025-02-08 09:19:55,497 INFO L226 Difference]: Without dead ends: 2063 [2025-02-08 09:19:55,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2025-02-08 09:19:55,497 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 229 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:55,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 966 Invalid, 1352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:19:55,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2063 states. [2025-02-08 09:19:55,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2063 to 2042. [2025-02-08 09:19:55,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2042 states, 1959 states have (on average 1.3088310362429811) internal successors, (2564), 1989 states have internal predecessors, (2564), 47 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-02-08 09:19:55,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2042 states to 2042 states and 2658 transitions. [2025-02-08 09:19:55,614 INFO L78 Accepts]: Start accepts. Automaton has 2042 states and 2658 transitions. Word has length 91 [2025-02-08 09:19:55,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:55,614 INFO L471 AbstractCegarLoop]: Abstraction has 2042 states and 2658 transitions. [2025-02-08 09:19:55,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.818181818181818) internal successors, (238), 23 states have internal predecessors, (238), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:19:55,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2042 states and 2658 transitions. [2025-02-08 09:19:55,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-08 09:19:55,615 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:55,615 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:55,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2025-02-08 09:19:55,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2025-02-08 09:19:55,815 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:55,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:55,816 INFO L85 PathProgramCache]: Analyzing trace with hash 2020052317, now seen corresponding path program 1 times [2025-02-08 09:19:55,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:55,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045975160] [2025-02-08 09:19:55,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:55,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:55,821 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 09:19:55,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:19:55,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:55,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:55,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1097556399] [2025-02-08 09:19:55,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:55,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:55,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:55,834 INFO L229 MonitoredProcess]: Starting monitored process 44 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 09:19:55,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-02-08 09:19:55,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 09:19:55,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:19:55,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:55,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:55,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:19:55,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:56,117 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:56,117 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:56,390 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:56,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:56,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045975160] [2025-02-08 09:19:56,390 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:56,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097556399] [2025-02-08 09:19:56,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097556399] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:19:56,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:19:56,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2025-02-08 09:19:56,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294642615] [2025-02-08 09:19:56,391 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:56,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-08 09:19:56,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:56,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-08 09:19:56,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:19:56,391 INFO L87 Difference]: Start difference. First operand 2042 states and 2658 transitions. Second operand has 17 states, 16 states have (on average 10.3125) internal successors, (165), 17 states have internal predecessors, (165), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:57,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:57,684 INFO L93 Difference]: Finished difference Result 2532 states and 3294 transitions. [2025-02-08 09:19:57,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-02-08 09:19:57,684 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 10.3125) internal successors, (165), 17 states have internal predecessors, (165), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 91 [2025-02-08 09:19:57,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:57,688 INFO L225 Difference]: With dead ends: 2532 [2025-02-08 09:19:57,688 INFO L226 Difference]: Without dead ends: 2530 [2025-02-08 09:19:57,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=268, Invalid=854, Unknown=0, NotChecked=0, Total=1122 [2025-02-08 09:19:57,689 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 880 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:57,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 559 Invalid, 1369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:19:57,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2530 states. [2025-02-08 09:19:57,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2530 to 2308. [2025-02-08 09:19:57,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2308 states, 2214 states have (on average 1.3107497741644083) internal successors, (2902), 2244 states have internal predecessors, (2902), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:19:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 2308 states and 3018 transitions. [2025-02-08 09:19:57,781 INFO L78 Accepts]: Start accepts. Automaton has 2308 states and 3018 transitions. Word has length 91 [2025-02-08 09:19:57,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:57,781 INFO L471 AbstractCegarLoop]: Abstraction has 2308 states and 3018 transitions. [2025-02-08 09:19:57,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 10.3125) internal successors, (165), 17 states have internal predecessors, (165), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:19:57,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 3018 transitions. [2025-02-08 09:19:57,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-08 09:19:57,782 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:57,782 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:57,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2025-02-08 09:19:57,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,44 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:57,983 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:57,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:57,983 INFO L85 PathProgramCache]: Analyzing trace with hash -2077862903, now seen corresponding path program 1 times [2025-02-08 09:19:57,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:57,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580935232] [2025-02-08 09:19:57,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:57,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:57,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-08 09:19:57,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-08 09:19:57,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:58,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:58,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [520971017] [2025-02-08 09:19:58,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:58,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:58,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:58,002 INFO L229 MonitoredProcess]: Starting monitored process 45 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 09:19:58,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-02-08 09:19:58,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-08 09:19:58,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-08 09:19:58,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:58,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:58,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 09:19:58,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:19:58,248 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:19:58,248 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:19:58,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:19:58,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580935232] [2025-02-08 09:19:58,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:19:58,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520971017] [2025-02-08 09:19:58,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520971017] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:19:58,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:19:58,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:19:58,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533562997] [2025-02-08 09:19:58,760 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:19:58,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:19:58,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:19:58,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:19:58,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=385, Unknown=1, NotChecked=0, Total=462 [2025-02-08 09:19:58,760 INFO L87 Difference]: Start difference. First operand 2308 states and 3018 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:59,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:19:59,328 INFO L93 Difference]: Finished difference Result 2332 states and 3044 transitions. [2025-02-08 09:19:59,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 09:19:59,328 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 94 [2025-02-08 09:19:59,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:19:59,331 INFO L225 Difference]: With dead ends: 2332 [2025-02-08 09:19:59,332 INFO L226 Difference]: Without dead ends: 2330 [2025-02-08 09:19:59,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=491, Unknown=1, NotChecked=0, Total=600 [2025-02-08 09:19:59,332 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 113 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:19:59,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 831 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:19:59,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2330 states. [2025-02-08 09:19:59,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2330 to 2312. [2025-02-08 09:19:59,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2312 states, 2218 states have (on average 1.3106402164111812) internal successors, (2907), 2248 states have internal predecessors, (2907), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:19:59,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 3023 transitions. [2025-02-08 09:19:59,412 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 3023 transitions. Word has length 94 [2025-02-08 09:19:59,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:19:59,412 INFO L471 AbstractCegarLoop]: Abstraction has 2312 states and 3023 transitions. [2025-02-08 09:19:59,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:19:59,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 3023 transitions. [2025-02-08 09:19:59,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-08 09:19:59,413 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:19:59,413 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:19:59,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2025-02-08 09:19:59,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2025-02-08 09:19:59,614 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:19:59,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:19:59,615 INFO L85 PathProgramCache]: Analyzing trace with hash 10759513, now seen corresponding path program 1 times [2025-02-08 09:19:59,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:19:59,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100756397] [2025-02-08 09:19:59,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:59,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:19:59,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 09:19:59,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 09:19:59,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:59,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:19:59,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [428181900] [2025-02-08 09:19:59,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:19:59,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:19:59,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:19:59,634 INFO L229 MonitoredProcess]: Starting monitored process 46 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 09:19:59,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-02-08 09:19:59,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 09:19:59,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 09:19:59,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:19:59,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:19:59,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-08 09:19:59,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:20:00,145 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:20:00,145 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:20:00,668 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:20:00,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:00,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100756397] [2025-02-08 09:20:00,668 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:20:00,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428181900] [2025-02-08 09:20:00,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428181900] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:20:00,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:20:00,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-02-08 09:20:00,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423291137] [2025-02-08 09:20:00,668 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:20:00,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-08 09:20:00,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:00,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-08 09:20:00,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:20:00,669 INFO L87 Difference]: Start difference. First operand 2312 states and 3023 transitions. Second operand has 22 states, 21 states have (on average 8.238095238095237) internal successors, (173), 22 states have internal predecessors, (173), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:04,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:04,187 INFO L93 Difference]: Finished difference Result 2454 states and 3203 transitions. [2025-02-08 09:20:04,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-02-08 09:20:04,188 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.238095238095237) internal successors, (173), 22 states have internal predecessors, (173), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 95 [2025-02-08 09:20:04,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:04,191 INFO L225 Difference]: With dead ends: 2454 [2025-02-08 09:20:04,191 INFO L226 Difference]: Without dead ends: 2450 [2025-02-08 09:20:04,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=491, Invalid=2479, Unknown=0, NotChecked=0, Total=2970 [2025-02-08 09:20:04,192 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 694 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 2843 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 2869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:04,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [694 Valid, 717 Invalid, 2869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2843 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2025-02-08 09:20:04,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2450 states. [2025-02-08 09:20:04,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2450 to 2332. [2025-02-08 09:20:04,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2332 states, 2238 states have (on average 1.306076854334227) internal successors, (2923), 2268 states have internal predecessors, (2923), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:20:04,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 2332 states and 3039 transitions. [2025-02-08 09:20:04,280 INFO L78 Accepts]: Start accepts. Automaton has 2332 states and 3039 transitions. Word has length 95 [2025-02-08 09:20:04,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:04,280 INFO L471 AbstractCegarLoop]: Abstraction has 2332 states and 3039 transitions. [2025-02-08 09:20:04,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.238095238095237) internal successors, (173), 22 states have internal predecessors, (173), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:04,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2332 states and 3039 transitions. [2025-02-08 09:20:04,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-08 09:20:04,281 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:04,281 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2025-02-08 09:20:04,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2025-02-08 09:20:04,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,46 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:04,485 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:20:04,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:04,485 INFO L85 PathProgramCache]: Analyzing trace with hash 544751047, now seen corresponding path program 1 times [2025-02-08 09:20:04,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:04,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744262112] [2025-02-08 09:20:04,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:04,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:04,488 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 09:20:04,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 09:20:04,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:04,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:20:04,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2015539741] [2025-02-08 09:20:04,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:04,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:04,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:20:04,506 INFO L229 MonitoredProcess]: Starting monitored process 47 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 09:20:04,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-02-08 09:20:04,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 09:20:04,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 09:20:04,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:04,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:04,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 09:20:04,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:20:05,104 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:20:05,104 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:20:05,483 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:20:05,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:05,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744262112] [2025-02-08 09:20:05,484 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:20:05,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015539741] [2025-02-08 09:20:05,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015539741] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:20:05,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:20:05,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2025-02-08 09:20:05,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154027418] [2025-02-08 09:20:05,484 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:20:05,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-02-08 09:20:05,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:05,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-02-08 09:20:05,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2025-02-08 09:20:05,485 INFO L87 Difference]: Start difference. First operand 2332 states and 3039 transitions. Second operand has 25 states, 24 states have (on average 7.25) internal successors, (174), 25 states have internal predecessors, (174), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:07,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:07,108 INFO L93 Difference]: Finished difference Result 2350 states and 3057 transitions. [2025-02-08 09:20:07,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-02-08 09:20:07,109 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.25) internal successors, (174), 25 states have internal predecessors, (174), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 95 [2025-02-08 09:20:07,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:07,117 INFO L225 Difference]: With dead ends: 2350 [2025-02-08 09:20:07,117 INFO L226 Difference]: Without dead ends: 2326 [2025-02-08 09:20:07,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=251, Invalid=1155, Unknown=0, NotChecked=0, Total=1406 [2025-02-08 09:20:07,118 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 287 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 1956 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 1977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:07,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 761 Invalid, 1977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1956 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-08 09:20:07,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2326 states. [2025-02-08 09:20:07,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2326 to 2323. [2025-02-08 09:20:07,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2323 states, 2229 states have (on average 1.3082099596231493) internal successors, (2916), 2259 states have internal predecessors, (2916), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:20:07,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 2323 states and 3032 transitions. [2025-02-08 09:20:07,326 INFO L78 Accepts]: Start accepts. Automaton has 2323 states and 3032 transitions. Word has length 95 [2025-02-08 09:20:07,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:07,326 INFO L471 AbstractCegarLoop]: Abstraction has 2323 states and 3032 transitions. [2025-02-08 09:20:07,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.25) internal successors, (174), 25 states have internal predecessors, (174), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:07,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 3032 transitions. [2025-02-08 09:20:07,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-08 09:20:07,329 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:07,329 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:07,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2025-02-08 09:20:07,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,47 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:07,530 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:20:07,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:07,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1891028730, now seen corresponding path program 1 times [2025-02-08 09:20:07,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:07,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680075234] [2025-02-08 09:20:07,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:07,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:07,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-08 09:20:07,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-08 09:20:07,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:07,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:20:07,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [378495353] [2025-02-08 09:20:07,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:07,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:07,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:20:07,560 INFO L229 MonitoredProcess]: Starting monitored process 48 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 09:20:07,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-02-08 09:20:07,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-08 09:20:07,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-08 09:20:07,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:07,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:07,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:20:07,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:20:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:20:08,028 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:20:08,292 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:20:08,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:08,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680075234] [2025-02-08 09:20:08,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:20:08,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378495353] [2025-02-08 09:20:08,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378495353] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:20:08,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:20:08,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-02-08 09:20:08,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592234558] [2025-02-08 09:20:08,292 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:20:08,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:20:08,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:08,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:20:08,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:20:08,293 INFO L87 Difference]: Start difference. First operand 2323 states and 3032 transitions. Second operand has 18 states, 17 states have (on average 10.294117647058824) internal successors, (175), 18 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:10,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:10,894 INFO L93 Difference]: Finished difference Result 2390 states and 3106 transitions. [2025-02-08 09:20:10,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-02-08 09:20:10,894 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 10.294117647058824) internal successors, (175), 18 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 96 [2025-02-08 09:20:10,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:10,902 INFO L225 Difference]: With dead ends: 2390 [2025-02-08 09:20:10,902 INFO L226 Difference]: Without dead ends: 2387 [2025-02-08 09:20:10,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=357, Invalid=1203, Unknown=0, NotChecked=0, Total=1560 [2025-02-08 09:20:10,903 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 772 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 1368 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 1400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:10,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 443 Invalid, 1400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1368 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-02-08 09:20:10,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2025-02-08 09:20:11,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2333. [2025-02-08 09:20:11,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2333 states, 2239 states have (on average 1.3054935238945957) internal successors, (2923), 2269 states have internal predecessors, (2923), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:20:11,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 2333 states and 3039 transitions. [2025-02-08 09:20:11,041 INFO L78 Accepts]: Start accepts. Automaton has 2333 states and 3039 transitions. Word has length 96 [2025-02-08 09:20:11,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:11,041 INFO L471 AbstractCegarLoop]: Abstraction has 2333 states and 3039 transitions. [2025-02-08 09:20:11,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 10.294117647058824) internal successors, (175), 18 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:11,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 3039 transitions. [2025-02-08 09:20:11,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-08 09:20:11,042 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:11,042 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-08 09:20:11,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2025-02-08 09:20:11,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,48 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:11,246 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:20:11,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:11,246 INFO L85 PathProgramCache]: Analyzing trace with hash 333544967, now seen corresponding path program 1 times [2025-02-08 09:20:11,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:11,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141963681] [2025-02-08 09:20:11,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:11,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:11,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-08 09:20:11,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-08 09:20:11,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:11,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:20:11,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2103242510] [2025-02-08 09:20:11,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:11,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:11,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:20:11,264 INFO L229 MonitoredProcess]: Starting monitored process 49 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 09:20:11,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-02-08 09:20:11,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-08 09:20:11,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-08 09:20:11,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:11,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:11,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-08 09:20:11,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:20:11,843 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:20:11,843 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:20:12,223 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:20:12,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:12,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141963681] [2025-02-08 09:20:12,224 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:20:12,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103242510] [2025-02-08 09:20:12,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103242510] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:20:12,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:20:12,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 22 [2025-02-08 09:20:12,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450330967] [2025-02-08 09:20:12,224 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:20:12,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-08 09:20:12,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:12,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-08 09:20:12,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:20:12,225 INFO L87 Difference]: Start difference. First operand 2333 states and 3039 transitions. Second operand has 23 states, 22 states have (on average 7.954545454545454) internal successors, (175), 23 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:17,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:17,718 INFO L93 Difference]: Finished difference Result 2448 states and 3190 transitions. [2025-02-08 09:20:17,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-02-08 09:20:17,718 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.954545454545454) internal successors, (175), 23 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 96 [2025-02-08 09:20:17,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:17,721 INFO L225 Difference]: With dead ends: 2448 [2025-02-08 09:20:17,721 INFO L226 Difference]: Without dead ends: 2446 [2025-02-08 09:20:17,722 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=554, Invalid=2752, Unknown=0, NotChecked=0, Total=3306 [2025-02-08 09:20:17,722 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 866 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 2597 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 2623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:17,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 637 Invalid, 2623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2597 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2025-02-08 09:20:17,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2025-02-08 09:20:17,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2334. [2025-02-08 09:20:17,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2334 states, 2240 states have (on average 1.303125) internal successors, (2919), 2270 states have internal predecessors, (2919), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:20:17,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2334 states and 3035 transitions. [2025-02-08 09:20:17,827 INFO L78 Accepts]: Start accepts. Automaton has 2334 states and 3035 transitions. Word has length 96 [2025-02-08 09:20:17,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:17,827 INFO L471 AbstractCegarLoop]: Abstraction has 2334 states and 3035 transitions. [2025-02-08 09:20:17,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.954545454545454) internal successors, (175), 23 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:17,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 3035 transitions. [2025-02-08 09:20:17,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-08 09:20:17,828 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:17,828 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:17,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2025-02-08 09:20:18,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2025-02-08 09:20:18,029 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:20:18,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:18,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1495558970, now seen corresponding path program 2 times [2025-02-08 09:20:18,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:18,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032252896] [2025-02-08 09:20:18,030 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:20:18,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:18,036 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 98 statements into 2 equivalence classes. [2025-02-08 09:20:18,040 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:20:18,041 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:20:18,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:20:18,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [60522201] [2025-02-08 09:20:18,041 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:20:18,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:18,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:20:18,046 INFO L229 MonitoredProcess]: Starting monitored process 50 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 09:20:18,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2025-02-08 09:20:18,074 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 98 statements into 2 equivalence classes. [2025-02-08 09:20:18,093 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:20:18,093 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:20:18,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:18,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 09:20:18,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:20:18,371 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:20:18,371 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:20:18,789 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:20:18,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:18,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032252896] [2025-02-08 09:20:18,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:20:18,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60522201] [2025-02-08 09:20:18,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60522201] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:20:18,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:20:18,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-02-08 09:20:18,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838094817] [2025-02-08 09:20:18,791 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:20:18,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-08 09:20:18,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:18,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-08 09:20:18,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:20:18,792 INFO L87 Difference]: Start difference. First operand 2334 states and 3035 transitions. Second operand has 20 states, 19 states have (on average 9.210526315789474) internal successors, (175), 20 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:20,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:20,436 INFO L93 Difference]: Finished difference Result 2596 states and 3343 transitions. [2025-02-08 09:20:20,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-02-08 09:20:20,436 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.210526315789474) internal successors, (175), 20 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 98 [2025-02-08 09:20:20,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:20,439 INFO L225 Difference]: With dead ends: 2596 [2025-02-08 09:20:20,439 INFO L226 Difference]: Without dead ends: 2592 [2025-02-08 09:20:20,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=513, Invalid=2037, Unknown=0, NotChecked=0, Total=2550 [2025-02-08 09:20:20,440 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 691 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:20,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 633 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:20:20,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2592 states. [2025-02-08 09:20:20,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2592 to 2343. [2025-02-08 09:20:20,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2343 states, 2249 states have (on average 1.293019119608715) internal successors, (2908), 2279 states have internal predecessors, (2908), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:20:20,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 2343 states and 3024 transitions. [2025-02-08 09:20:20,551 INFO L78 Accepts]: Start accepts. Automaton has 2343 states and 3024 transitions. Word has length 98 [2025-02-08 09:20:20,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:20,552 INFO L471 AbstractCegarLoop]: Abstraction has 2343 states and 3024 transitions. [2025-02-08 09:20:20,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.210526315789474) internal successors, (175), 20 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:20,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 3024 transitions. [2025-02-08 09:20:20,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-08 09:20:20,552 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:20,553 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:20,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2025-02-08 09:20:20,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,50 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:20,753 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:20:20,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:20,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1551211027, now seen corresponding path program 1 times [2025-02-08 09:20:20,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:20,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405807101] [2025-02-08 09:20:20,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:20,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:20,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 09:20:20,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 09:20:20,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:20,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:20:20,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [481397966] [2025-02-08 09:20:20,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:20,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:20,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:20:20,765 INFO L229 MonitoredProcess]: Starting monitored process 51 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 09:20:20,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2025-02-08 09:20:20,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 09:20:20,807 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 09:20:20,807 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:20,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:20,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:20:20,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:20:23,607 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 68 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:20:23,608 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:20:26,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:26,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405807101] [2025-02-08 09:20:26,090 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:20:26,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481397966] [2025-02-08 09:20:26,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481397966] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:20:26,090 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:20:26,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-02-08 09:20:26,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483750957] [2025-02-08 09:20:26,090 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:20:26,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:20:26,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:26,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:20:26,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=612, Unknown=0, NotChecked=0, Total=702 [2025-02-08 09:20:26,091 INFO L87 Difference]: Start difference. First operand 2343 states and 3024 transitions. Second operand has 15 states, 14 states have (on average 6.928571428571429) internal successors, (97), 15 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:20:28,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:28,254 INFO L93 Difference]: Finished difference Result 2369 states and 3037 transitions. [2025-02-08 09:20:28,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:20:28,255 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.928571428571429) internal successors, (97), 15 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 101 [2025-02-08 09:20:28,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:28,257 INFO L225 Difference]: With dead ends: 2369 [2025-02-08 09:20:28,257 INFO L226 Difference]: Without dead ends: 2365 [2025-02-08 09:20:28,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=187, Invalid=1003, Unknown=0, NotChecked=0, Total=1190 [2025-02-08 09:20:28,262 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 244 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 1859 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 1871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:28,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 917 Invalid, 1871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1859 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-08 09:20:28,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2365 states. [2025-02-08 09:20:28,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2365 to 2343. [2025-02-08 09:20:28,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2343 states, 2249 states have (on average 1.2872387727879058) internal successors, (2895), 2279 states have internal predecessors, (2895), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:20:28,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 2343 states and 3011 transitions. [2025-02-08 09:20:28,364 INFO L78 Accepts]: Start accepts. Automaton has 2343 states and 3011 transitions. Word has length 101 [2025-02-08 09:20:28,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:28,364 INFO L471 AbstractCegarLoop]: Abstraction has 2343 states and 3011 transitions. [2025-02-08 09:20:28,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.928571428571429) internal successors, (97), 15 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:20:28,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 3011 transitions. [2025-02-08 09:20:28,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 09:20:28,365 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:28,365 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2025-02-08 09:20:28,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2025-02-08 09:20:28,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,51 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:28,569 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:20:28,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:28,569 INFO L85 PathProgramCache]: Analyzing trace with hash -508709807, now seen corresponding path program 1 times [2025-02-08 09:20:28,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:28,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158519666] [2025-02-08 09:20:28,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:28,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:28,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 09:20:28,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 09:20:28,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:28,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:20:28,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1224422213] [2025-02-08 09:20:28,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:28,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:28,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:20:28,582 INFO L229 MonitoredProcess]: Starting monitored process 52 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 09:20:28,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2025-02-08 09:20:28,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 09:20:28,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 09:20:28,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:28,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:28,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-02-08 09:20:28,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:20:29,183 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:20:29,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:20:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-08 09:20:29,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:29,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158519666] [2025-02-08 09:20:29,500 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:20:29,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224422213] [2025-02-08 09:20:29,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224422213] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:20:29,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:20:29,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 17 [2025-02-08 09:20:29,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430329843] [2025-02-08 09:20:29,501 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:20:29,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:20:29,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:29,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:20:29,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:20:29,501 INFO L87 Difference]: Start difference. First operand 2343 states and 3011 transitions. Second operand has 18 states, 17 states have (on average 9.058823529411764) internal successors, (154), 18 states have internal predecessors, (154), 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 09:20:31,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:31,141 INFO L93 Difference]: Finished difference Result 2382 states and 3060 transitions. [2025-02-08 09:20:31,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-08 09:20:31,142 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.058823529411764) internal successors, (154), 18 states have internal predecessors, (154), 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 103 [2025-02-08 09:20:31,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:31,144 INFO L225 Difference]: With dead ends: 2382 [2025-02-08 09:20:31,144 INFO L226 Difference]: Without dead ends: 2381 [2025-02-08 09:20:31,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2025-02-08 09:20:31,145 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 326 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 1939 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 1958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:31,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 297 Invalid, 1958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1939 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-08 09:20:31,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2025-02-08 09:20:31,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 2342. [2025-02-08 09:20:31,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2342 states, 2249 states have (on average 1.2663405958203646) internal successors, (2848), 2278 states have internal predecessors, (2848), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 09:20:31,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2342 states and 2964 transitions. [2025-02-08 09:20:31,252 INFO L78 Accepts]: Start accepts. Automaton has 2342 states and 2964 transitions. Word has length 103 [2025-02-08 09:20:31,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:31,252 INFO L471 AbstractCegarLoop]: Abstraction has 2342 states and 2964 transitions. [2025-02-08 09:20:31,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.058823529411764) internal successors, (154), 18 states have internal predecessors, (154), 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 09:20:31,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 2964 transitions. [2025-02-08 09:20:31,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-08 09:20:31,256 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:31,256 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 09:20:31,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2025-02-08 09:20:31,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2025-02-08 09:20:31,461 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:20:31,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:31,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1762269386, now seen corresponding path program 1 times [2025-02-08 09:20:31,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:31,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119088811] [2025-02-08 09:20:31,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:31,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:31,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 09:20:31,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 09:20:31,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:31,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:20:31,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [903095005] [2025-02-08 09:20:31,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:31,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:31,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:20:31,477 INFO L229 MonitoredProcess]: Starting monitored process 53 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 09:20:31,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2025-02-08 09:20:31,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 09:20:31,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 09:20:31,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:31,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:31,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-02-08 09:20:31,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:20:32,093 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:20:32,093 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:20:33,750 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:20:33,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:33,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119088811] [2025-02-08 09:20:33,750 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:20:33,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903095005] [2025-02-08 09:20:33,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903095005] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:20:33,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:20:33,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 28 [2025-02-08 09:20:33,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962659266] [2025-02-08 09:20:33,750 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:20:33,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-02-08 09:20:33,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:33,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-02-08 09:20:33,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=686, Unknown=2, NotChecked=0, Total=812 [2025-02-08 09:20:33,751 INFO L87 Difference]: Start difference. First operand 2342 states and 2964 transitions. Second operand has 29 states, 28 states have (on average 6.892857142857143) internal successors, (193), 29 states have internal predecessors, (193), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:42,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:20:42,056 INFO L93 Difference]: Finished difference Result 2550 states and 3220 transitions. [2025-02-08 09:20:42,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-02-08 09:20:42,056 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 6.892857142857143) internal successors, (193), 29 states have internal predecessors, (193), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 105 [2025-02-08 09:20:42,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:20:42,059 INFO L225 Difference]: With dead ends: 2550 [2025-02-08 09:20:42,059 INFO L226 Difference]: Without dead ends: 2547 [2025-02-08 09:20:42,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1734 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=987, Invalid=5653, Unknown=2, NotChecked=0, Total=6642 [2025-02-08 09:20:42,060 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 802 mSDsluCounter, 1056 mSDsCounter, 0 mSdLazyCounter, 4206 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 1127 SdHoareTripleChecker+Invalid, 4245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 4206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:20:42,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 1127 Invalid, 4245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 4206 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2025-02-08 09:20:42,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2547 states. [2025-02-08 09:20:42,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2547 to 2401. [2025-02-08 09:20:42,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2401 states, 2307 states have (on average 1.2644126571304726) internal successors, (2917), 2336 states have internal predecessors, (2917), 59 states have call successors, (59), 5 states have call predecessors, (59), 5 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2025-02-08 09:20:42,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2401 states and 3035 transitions. [2025-02-08 09:20:42,170 INFO L78 Accepts]: Start accepts. Automaton has 2401 states and 3035 transitions. Word has length 105 [2025-02-08 09:20:42,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:20:42,170 INFO L471 AbstractCegarLoop]: Abstraction has 2401 states and 3035 transitions. [2025-02-08 09:20:42,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 6.892857142857143) internal successors, (193), 29 states have internal predecessors, (193), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:20:42,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 3035 transitions. [2025-02-08 09:20:42,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-02-08 09:20:42,174 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:20:42,175 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 09:20:42,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2025-02-08 09:20:42,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2025-02-08 09:20:42,375 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-08 09:20:42,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:20:42,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1810245095, now seen corresponding path program 1 times [2025-02-08 09:20:42,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:20:42,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279110504] [2025-02-08 09:20:42,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:42,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:20:42,382 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-02-08 09:20:42,391 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-02-08 09:20:42,391 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:42,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:42,694 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:20:42,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:20:42,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279110504] [2025-02-08 09:20:42,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279110504] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:20:42,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274952394] [2025-02-08 09:20:42,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:20:42,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:20:42,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:20:42,697 INFO L229 MonitoredProcess]: Starting monitored process 54 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 09:20:42,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2025-02-08 09:20:42,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-02-08 09:20:42,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-02-08 09:20:42,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:20:42,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:20:42,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:20:42,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:20:43,206 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:20:43,206 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:20:43,565 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:20:43,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274952394] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:20:43,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:20:43,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2025-02-08 09:20:43,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73117215] [2025-02-08 09:20:43,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:20:43,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-02-08 09:20:43,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:20:43,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-02-08 09:20:43,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2025-02-08 09:20:43,566 INFO L87 Difference]: Start difference. First operand 2401 states and 3035 transitions. Second operand has 26 states, 26 states have (on average 10.923076923076923) internal successors, (284), 26 states have internal predecessors, (284), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)