./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-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/prod4br-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 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:46:19,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:46:20,026 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:46:20,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:46:20,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:46:20,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:46:20,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:46:20,073 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:46:20,074 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:46:20,074 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:46:20,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:46:20,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:46:20,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:46:20,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:46:20,075 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:46:20,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:46:20,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:46:20,076 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:46:20,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:46:20,076 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:46:20,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:46:20,076 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:46:20,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:46:20,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:46:20,076 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:46:20,076 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:46:20,076 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:46:20,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:46:20,077 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:46:20,077 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:46:20,078 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:46:20,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:46:20,078 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:46:20,078 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:46:20,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:46:20,079 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:46:20,079 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:46:20,079 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:46:20,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:46:20,079 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:46:20,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:46:20,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:46:20,079 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:46:20,079 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:46:20,079 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:46:20,079 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 -> 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c [2025-02-08 09:46:20,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:46:20,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:46:20,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:46:20,403 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:46:20,403 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:46:20,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2025-02-08 09:46:21,742 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a1175385f/0faf298a966a46a19611fb6b448ec973/FLAG2ef4b9075 [2025-02-08 09:46:21,969 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:46:21,970 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2025-02-08 09:46:21,975 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a1175385f/0faf298a966a46a19611fb6b448ec973/FLAG2ef4b9075 [2025-02-08 09:46:22,292 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a1175385f/0faf298a966a46a19611fb6b448ec973 [2025-02-08 09:46:22,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:46:22,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:46:22,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:46:22,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:46:22,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:46:22,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:46:22" (1/1) ... [2025-02-08 09:46:22,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ef64e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:22, skipping insertion in model container [2025-02-08 09:46:22,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:46:22" (1/1) ... [2025-02-08 09:46:22,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:46:22,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:46:22,463 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:46:22,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:46:22,498 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:46:22,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:22 WrapperNode [2025-02-08 09:46:22,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:46:22,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:46:22,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:46:22,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:46:22,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:22" (1/1) ... [2025-02-08 09:46:22,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:22" (1/1) ... [2025-02-08 09:46:22,536 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2025-02-08 09:46:22,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:46:22,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:46:22,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:46:22,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:46:22,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:22" (1/1) ... [2025-02-08 09:46:22,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:22" (1/1) ... [2025-02-08 09:46:22,546 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:22" (1/1) ... [2025-02-08 09:46:22,555 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 09:46:22,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:22" (1/1) ... [2025-02-08 09:46:22,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:22" (1/1) ... [2025-02-08 09:46:22,558 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:22" (1/1) ... [2025-02-08 09:46:22,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:22" (1/1) ... [2025-02-08 09:46:22,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:22" (1/1) ... [2025-02-08 09:46:22,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:22" (1/1) ... [2025-02-08 09:46:22,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:46:22,566 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:46:22,566 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:46:22,567 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:46:22,567 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:22" (1/1) ... [2025-02-08 09:46:22,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:46:22,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:22,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 09:46:22,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 09:46:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:46:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:46:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:46:22,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:46:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:46:22,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:46:22,677 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:46:22,679 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:46:23,001 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2025-02-08 09:46:23,001 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:46:23,014 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:46:23,014 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:46:23,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:46:23 BoogieIcfgContainer [2025-02-08 09:46:23,014 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:46:23,016 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:46:23,016 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:46:23,020 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:46:23,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:46:22" (1/3) ... [2025-02-08 09:46:23,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d9921d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:46:23, skipping insertion in model container [2025-02-08 09:46:23,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:22" (2/3) ... [2025-02-08 09:46:23,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d9921d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:46:23, skipping insertion in model container [2025-02-08 09:46:23,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:46:23" (3/3) ... [2025-02-08 09:46:23,022 INFO L128 eAbstractionObserver]: Analyzing ICFG prod4br-ll_unwindbound5.c [2025-02-08 09:46:23,032 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:46:23,033 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG prod4br-ll_unwindbound5.c that has 2 procedures, 107 locations, 1 initial locations, 1 loop locations, and 44 error locations. [2025-02-08 09:46:23,076 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:46:23,089 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;@6cce2982, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:46:23,090 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2025-02-08 09:46:23,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 58 states have (on average 1.896551724137931) internal successors, (110), 102 states have internal predecessors, (110), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:46:23,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:46:23,098 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:23,099 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:46:23,099 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:23,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:23,104 INFO L85 PathProgramCache]: Analyzing trace with hash 130677160, now seen corresponding path program 1 times [2025-02-08 09:46:23,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:23,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444298259] [2025-02-08 09:46:23,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:23,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:23,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:46:23,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:46:23,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:23,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:23,206 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 09:46:23,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:23,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444298259] [2025-02-08 09:46:23,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444298259] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:23,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:23,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:46:23,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149459018] [2025-02-08 09:46:23,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:23,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:46:23,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:23,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:46:23,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:46:23,233 INFO L87 Difference]: Start difference. First operand has 107 states, 58 states have (on average 1.896551724137931) internal successors, (110), 102 states have internal predecessors, (110), 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) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:23,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:23,262 INFO L93 Difference]: Finished difference Result 212 states and 232 transitions. [2025-02-08 09:46:23,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:46:23,264 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-08 09:46:23,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:23,270 INFO L225 Difference]: With dead ends: 212 [2025-02-08 09:46:23,271 INFO L226 Difference]: Without dead ends: 103 [2025-02-08 09:46:23,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:46:23,278 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:23,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:46:23,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2025-02-08 09:46:23,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2025-02-08 09:46:23,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 56 states have (on average 1.8571428571428572) internal successors, (104), 99 states have internal predecessors, (104), 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 09:46:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 108 transitions. [2025-02-08 09:46:23,322 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 108 transitions. Word has length 5 [2025-02-08 09:46:23,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:23,323 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 108 transitions. [2025-02-08 09:46:23,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:23,323 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2025-02-08 09:46:23,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:46:23,324 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:23,324 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:46:23,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:46:23,324 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:23,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:23,325 INFO L85 PathProgramCache]: Analyzing trace with hash 130706951, now seen corresponding path program 1 times [2025-02-08 09:46:23,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:23,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235198179] [2025-02-08 09:46:23,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:23,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:23,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:46:23,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:46:23,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:23,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:23,447 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 09:46:23,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:23,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235198179] [2025-02-08 09:46:23,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235198179] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:23,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:23,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:46:23,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034455894] [2025-02-08 09:46:23,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:23,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:23,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:23,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:23,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:23,451 INFO L87 Difference]: Start difference. First operand 103 states and 108 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:23,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:23,509 INFO L93 Difference]: Finished difference Result 122 states and 127 transitions. [2025-02-08 09:46:23,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:46:23,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-08 09:46:23,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:23,511 INFO L225 Difference]: With dead ends: 122 [2025-02-08 09:46:23,511 INFO L226 Difference]: Without dead ends: 107 [2025-02-08 09:46:23,511 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 09:46:23,512 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 4 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 306 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 09:46:23,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 306 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:46:23,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2025-02-08 09:46:23,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2025-02-08 09:46:23,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 60 states have (on average 1.8) internal successors, (108), 103 states have internal predecessors, (108), 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 09:46:23,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 112 transitions. [2025-02-08 09:46:23,520 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 112 transitions. Word has length 5 [2025-02-08 09:46:23,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:23,520 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 112 transitions. [2025-02-08 09:46:23,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:23,521 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 112 transitions. [2025-02-08 09:46:23,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-08 09:46:23,521 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:23,521 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:23,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:46:23,521 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:23,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:23,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1644492773, now seen corresponding path program 1 times [2025-02-08 09:46:23,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:23,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171561676] [2025-02-08 09:46:23,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:23,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:23,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 09:46:23,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 09:46:23,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:23,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:23,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1559689891] [2025-02-08 09:46:23,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:23,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:23,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:23,546 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:23,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 09:46:23,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 09:46:23,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 09:46:23,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:23,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:23,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:46:23,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:23,780 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 09:46:23,780 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:23,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:23,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171561676] [2025-02-08 09:46:23,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:23,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559689891] [2025-02-08 09:46:23,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559689891] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:23,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:23,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:23,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610548210] [2025-02-08 09:46:23,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:23,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:46:23,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:23,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:46:23,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:23,784 INFO L87 Difference]: Start difference. First operand 107 states and 112 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 09:46:24,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:24,093 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2025-02-08 09:46:24,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:46:24,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2025-02-08 09:46:24,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:24,095 INFO L225 Difference]: With dead ends: 146 [2025-02-08 09:46:24,095 INFO L226 Difference]: Without dead ends: 135 [2025-02-08 09:46:24,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:46:24,096 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 161 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:24,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 153 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:24,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2025-02-08 09:46:24,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 130. [2025-02-08 09:46:24,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 83 states have (on average 1.6987951807228916) internal successors, (141), 124 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 09:46:24,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2025-02-08 09:46:24,113 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 8 [2025-02-08 09:46:24,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:24,113 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2025-02-08 09:46:24,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 09:46:24,113 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2025-02-08 09:46:24,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 09:46:24,114 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:24,114 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:24,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:24,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:24,316 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:24,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:24,316 INFO L85 PathProgramCache]: Analyzing trace with hash 560331651, now seen corresponding path program 1 times [2025-02-08 09:46:24,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:24,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131594846] [2025-02-08 09:46:24,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:24,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:24,321 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 09:46:24,334 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 09:46:24,335 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:24,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:24,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [326797133] [2025-02-08 09:46:24,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:24,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:24,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:24,338 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:24,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 09:46:24,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 09:46:24,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 09:46:24,370 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:24,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:24,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:46:24,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:24,491 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 09:46:24,492 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:24,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:24,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131594846] [2025-02-08 09:46:24,492 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:24,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326797133] [2025-02-08 09:46:24,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326797133] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:24,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:24,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:24,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104310539] [2025-02-08 09:46:24,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:24,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:46:24,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:24,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:46:24,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:24,495 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 09:46:24,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:24,784 INFO L93 Difference]: Finished difference Result 181 states and 221 transitions. [2025-02-08 09:46:24,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:46:24,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2025-02-08 09:46:24,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:24,787 INFO L225 Difference]: With dead ends: 181 [2025-02-08 09:46:24,788 INFO L226 Difference]: Without dead ends: 163 [2025-02-08 09:46:24,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:46:24,789 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 177 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:24,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 136 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:24,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2025-02-08 09:46:24,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 156. [2025-02-08 09:46:24,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 110 states have (on average 1.6363636363636365) internal successors, (180), 149 states have internal predecessors, (180), 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 09:46:24,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 190 transitions. [2025-02-08 09:46:24,802 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 190 transitions. Word has length 9 [2025-02-08 09:46:24,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:24,802 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 190 transitions. [2025-02-08 09:46:24,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 09:46:24,803 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2025-02-08 09:46:24,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-08 09:46:24,803 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:24,803 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:24,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 09:46:25,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:25,007 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:25,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:25,008 INFO L85 PathProgramCache]: Analyzing trace with hash 190412057, now seen corresponding path program 1 times [2025-02-08 09:46:25,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:25,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746503536] [2025-02-08 09:46:25,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:25,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:25,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 09:46:25,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 09:46:25,019 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:25,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:25,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1930390953] [2025-02-08 09:46:25,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:25,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:25,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:25,027 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:25,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 09:46:25,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 09:46:25,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 09:46:25,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:25,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:25,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:46:25,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:25,220 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 09:46:25,221 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:25,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:25,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746503536] [2025-02-08 09:46:25,221 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:25,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930390953] [2025-02-08 09:46:25,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930390953] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:25,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:25,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:25,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453670183] [2025-02-08 09:46:25,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:25,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:46:25,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:25,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:46:25,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:25,222 INFO L87 Difference]: Start difference. First operand 156 states and 190 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 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 09:46:25,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:25,528 INFO L93 Difference]: Finished difference Result 164 states and 197 transitions. [2025-02-08 09:46:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:46:25,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 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 09:46:25,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:25,530 INFO L225 Difference]: With dead ends: 164 [2025-02-08 09:46:25,530 INFO L226 Difference]: Without dead ends: 163 [2025-02-08 09:46:25,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:46:25,531 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 145 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:25,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 160 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:25,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2025-02-08 09:46:25,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 156. [2025-02-08 09:46:25,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 110 states have (on average 1.6272727272727272) internal successors, (179), 149 states have internal predecessors, (179), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:46:25,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 189 transitions. [2025-02-08 09:46:25,548 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 189 transitions. Word has length 10 [2025-02-08 09:46:25,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:25,548 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 189 transitions. [2025-02-08 09:46:25,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 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 09:46:25,549 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 189 transitions. [2025-02-08 09:46:25,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-08 09:46:25,549 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:25,549 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:25,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:25,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:25,750 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:25,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:25,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1607806529, now seen corresponding path program 1 times [2025-02-08 09:46:25,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:25,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520905348] [2025-02-08 09:46:25,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:25,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:25,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 09:46:25,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 09:46:25,769 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:25,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:25,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [270878035] [2025-02-08 09:46:25,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:25,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:25,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:25,772 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:25,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 09:46:25,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 09:46:25,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 09:46:25,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:25,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:25,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:46:25,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:25,933 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 09:46:25,933 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:25,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:25,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520905348] [2025-02-08 09:46:25,933 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:25,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270878035] [2025-02-08 09:46:25,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270878035] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:25,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:25,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:25,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671508405] [2025-02-08 09:46:25,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:25,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:46:25,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:25,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:46:25,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:25,937 INFO L87 Difference]: Start difference. First operand 156 states and 189 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 09:46:26,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:26,180 INFO L93 Difference]: Finished difference Result 161 states and 189 transitions. [2025-02-08 09:46:26,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:46:26,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2025-02-08 09:46:26,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:26,181 INFO L225 Difference]: With dead ends: 161 [2025-02-08 09:46:26,181 INFO L226 Difference]: Without dead ends: 158 [2025-02-08 09:46:26,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:46:26,182 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 167 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:26,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 146 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:26,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-02-08 09:46:26,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156. [2025-02-08 09:46:26,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 110 states have (on average 1.5909090909090908) internal successors, (175), 149 states have internal predecessors, (175), 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 09:46:26,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 185 transitions. [2025-02-08 09:46:26,190 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 185 transitions. Word has length 11 [2025-02-08 09:46:26,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:26,191 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 185 transitions. [2025-02-08 09:46:26,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 09:46:26,192 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 185 transitions. [2025-02-08 09:46:26,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-08 09:46:26,192 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:26,192 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:26,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:26,392 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,SelfDestructingSolverStorable5 [2025-02-08 09:46:26,393 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:26,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:26,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1697605097, now seen corresponding path program 1 times [2025-02-08 09:46:26,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:26,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823454677] [2025-02-08 09:46:26,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:26,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:26,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 09:46:26,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 09:46:26,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:26,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:26,472 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 09:46:26,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:26,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823454677] [2025-02-08 09:46:26,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823454677] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:26,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:26,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:26,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612561706] [2025-02-08 09:46:26,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:26,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:26,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:26,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:26,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:26,474 INFO L87 Difference]: Start difference. First operand 156 states and 185 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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 09:46:26,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:26,781 INFO L93 Difference]: Finished difference Result 259 states and 305 transitions. [2025-02-08 09:46:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:26,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 09:46:26,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:26,785 INFO L225 Difference]: With dead ends: 259 [2025-02-08 09:46:26,785 INFO L226 Difference]: Without dead ends: 258 [2025-02-08 09:46:26,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:26,788 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 96 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:26,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 170 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:26,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2025-02-08 09:46:26,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 180. [2025-02-08 09:46:26,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 133 states have (on average 1.6015037593984962) internal successors, (213), 172 states have internal predecessors, (213), 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 09:46:26,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 225 transitions. [2025-02-08 09:46:26,809 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 225 transitions. Word has length 12 [2025-02-08 09:46:26,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:26,809 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 225 transitions. [2025-02-08 09:46:26,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 09:46:26,809 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 225 transitions. [2025-02-08 09:46:26,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-08 09:46:26,813 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:26,813 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:26,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 09:46:26,813 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:26,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:26,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1086150401, now seen corresponding path program 1 times [2025-02-08 09:46:26,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:26,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656298275] [2025-02-08 09:46:26,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:26,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:26,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 09:46:26,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 09:46:26,828 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:26,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:26,898 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 09:46:26,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:26,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656298275] [2025-02-08 09:46:26,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656298275] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:26,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:26,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:26,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735190931] [2025-02-08 09:46:26,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:26,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:26,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:26,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:26,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:26,900 INFO L87 Difference]: Start difference. First operand 180 states and 225 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:27,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:27,324 INFO L93 Difference]: Finished difference Result 259 states and 303 transitions. [2025-02-08 09:46:27,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:27,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-02-08 09:46:27,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:27,327 INFO L225 Difference]: With dead ends: 259 [2025-02-08 09:46:27,327 INFO L226 Difference]: Without dead ends: 258 [2025-02-08 09:46:27,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:27,328 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 94 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:27,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 160 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:46:27,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2025-02-08 09:46:27,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 180. [2025-02-08 09:46:27,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 133 states have (on average 1.586466165413534) internal successors, (211), 172 states have internal predecessors, (211), 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 09:46:27,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 223 transitions. [2025-02-08 09:46:27,344 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 223 transitions. Word has length 13 [2025-02-08 09:46:27,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:27,344 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 223 transitions. [2025-02-08 09:46:27,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:27,344 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 223 transitions. [2025-02-08 09:46:27,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-08 09:46:27,345 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:27,345 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 09:46:27,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 09:46:27,346 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:27,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:27,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1428355351, now seen corresponding path program 1 times [2025-02-08 09:46:27,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:27,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034659928] [2025-02-08 09:46:27,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:27,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:27,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 09:46:27,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 09:46:27,372 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:27,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:27,447 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 09:46:27,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:27,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034659928] [2025-02-08 09:46:27,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034659928] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:27,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:27,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:46:27,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915212279] [2025-02-08 09:46:27,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:27,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:46:27,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:27,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:46:27,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:46:27,451 INFO L87 Difference]: Start difference. First operand 180 states and 223 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 09:46:27,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:27,558 INFO L93 Difference]: Finished difference Result 258 states and 325 transitions. [2025-02-08 09:46:27,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:46:27,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 27 [2025-02-08 09:46:27,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:27,560 INFO L225 Difference]: With dead ends: 258 [2025-02-08 09:46:27,560 INFO L226 Difference]: Without dead ends: 256 [2025-02-08 09:46:27,560 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:46:27,561 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 57 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:27,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 147 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:46:27,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2025-02-08 09:46:27,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 229. [2025-02-08 09:46:27,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 181 states have (on average 1.6574585635359116) internal successors, (300), 220 states have internal predecessors, (300), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:46:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 314 transitions. [2025-02-08 09:46:27,571 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 314 transitions. Word has length 27 [2025-02-08 09:46:27,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:27,571 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 314 transitions. [2025-02-08 09:46:27,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 09:46:27,572 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 314 transitions. [2025-02-08 09:46:27,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-08 09:46:27,572 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:27,572 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 09:46:27,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 09:46:27,573 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:27,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:27,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1507508051, now seen corresponding path program 1 times [2025-02-08 09:46:27,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:27,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534254562] [2025-02-08 09:46:27,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:27,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:27,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 09:46:27,605 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 09:46:27,605 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:27,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:27,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2044936715] [2025-02-08 09:46:27,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:27,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:27,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:27,613 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:27,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 09:46:27,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 09:46:27,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 09:46:27,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:27,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:27,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:46:27,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:27,740 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 09:46:27,740 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:27,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:27,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534254562] [2025-02-08 09:46:27,740 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:27,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044936715] [2025-02-08 09:46:27,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044936715] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:27,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:27,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:27,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943444143] [2025-02-08 09:46:27,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:27,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:27,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:27,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:27,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:27,741 INFO L87 Difference]: Start difference. First operand 229 states and 314 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 09:46:27,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:27,912 INFO L93 Difference]: Finished difference Result 281 states and 386 transitions. [2025-02-08 09:46:27,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:27,912 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 27 [2025-02-08 09:46:27,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:27,914 INFO L225 Difference]: With dead ends: 281 [2025-02-08 09:46:27,914 INFO L226 Difference]: Without dead ends: 277 [2025-02-08 09:46:27,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:27,915 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 160 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:27,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 110 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:27,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-02-08 09:46:27,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 257. [2025-02-08 09:46:27,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 208 states have (on average 1.6586538461538463) internal successors, (345), 247 states have internal predecessors, (345), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 361 transitions. [2025-02-08 09:46:27,936 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 361 transitions. Word has length 27 [2025-02-08 09:46:27,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:27,937 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 361 transitions. [2025-02-08 09:46:27,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 09:46:27,937 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 361 transitions. [2025-02-08 09:46:27,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-08 09:46:27,938 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:27,938 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] [2025-02-08 09:46:27,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:28,138 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 09:46:28,139 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:28,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:28,142 INFO L85 PathProgramCache]: Analyzing trace with hash -576044591, now seen corresponding path program 1 times [2025-02-08 09:46:28,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:28,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620561856] [2025-02-08 09:46:28,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:28,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:28,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 09:46:28,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 09:46:28,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:28,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:28,242 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 09:46:28,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:28,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620561856] [2025-02-08 09:46:28,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620561856] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:28,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:28,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:28,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617622197] [2025-02-08 09:46:28,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:28,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:28,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:28,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:28,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:28,244 INFO L87 Difference]: Start difference. First operand 257 states and 361 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 09:46:28,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:28,407 INFO L93 Difference]: Finished difference Result 341 states and 453 transitions. [2025-02-08 09:46:28,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:28,407 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), 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 28 [2025-02-08 09:46:28,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:28,409 INFO L225 Difference]: With dead ends: 341 [2025-02-08 09:46:28,409 INFO L226 Difference]: Without dead ends: 340 [2025-02-08 09:46:28,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:28,410 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 65 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:28,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 214 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:46:28,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-02-08 09:46:28,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 267. [2025-02-08 09:46:28,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 218 states have (on average 1.651376146788991) internal successors, (360), 257 states have internal predecessors, (360), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:28,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 376 transitions. [2025-02-08 09:46:28,431 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 376 transitions. Word has length 28 [2025-02-08 09:46:28,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:28,431 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 376 transitions. [2025-02-08 09:46:28,431 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), 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 09:46:28,431 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 376 transitions. [2025-02-08 09:46:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-08 09:46:28,432 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:28,432 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] [2025-02-08 09:46:28,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 09:46:28,432 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:28,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:28,432 INFO L85 PathProgramCache]: Analyzing trace with hash -511890666, now seen corresponding path program 1 times [2025-02-08 09:46:28,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:28,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086096615] [2025-02-08 09:46:28,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:28,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:28,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 09:46:28,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 09:46:28,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:28,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:28,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1400160607] [2025-02-08 09:46:28,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:28,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:28,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:28,466 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:28,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 09:46:28,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 09:46:28,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 09:46:28,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:28,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:28,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:46:28,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:28,582 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 09:46:28,582 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:28,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:28,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086096615] [2025-02-08 09:46:28,583 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:28,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400160607] [2025-02-08 09:46:28,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400160607] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:28,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:28,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:28,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396493627] [2025-02-08 09:46:28,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:28,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:28,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:28,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:28,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:28,587 INFO L87 Difference]: Start difference. First operand 267 states and 376 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 09:46:28,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:28,785 INFO L93 Difference]: Finished difference Result 284 states and 383 transitions. [2025-02-08 09:46:28,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:28,786 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), 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 28 [2025-02-08 09:46:28,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:28,787 INFO L225 Difference]: With dead ends: 284 [2025-02-08 09:46:28,787 INFO L226 Difference]: Without dead ends: 280 [2025-02-08 09:46:28,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:28,788 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 213 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:28,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 76 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:28,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2025-02-08 09:46:28,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 267. [2025-02-08 09:46:28,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 218 states have (on average 1.628440366972477) internal successors, (355), 257 states have internal predecessors, (355), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:28,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 371 transitions. [2025-02-08 09:46:28,802 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 371 transitions. Word has length 28 [2025-02-08 09:46:28,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:28,802 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 371 transitions. [2025-02-08 09:46:28,802 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), 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 09:46:28,803 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 371 transitions. [2025-02-08 09:46:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 09:46:28,803 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:28,803 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:28,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 09:46:29,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-02-08 09:46:29,004 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:29,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:29,004 INFO L85 PathProgramCache]: Analyzing trace with hash -677513144, now seen corresponding path program 1 times [2025-02-08 09:46:29,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:29,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906564130] [2025-02-08 09:46:29,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:29,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:29,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 09:46:29,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 09:46:29,019 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:29,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:29,103 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 09:46:29,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:29,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906564130] [2025-02-08 09:46:29,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906564130] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:29,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:29,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:29,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530060026] [2025-02-08 09:46:29,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:29,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:29,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:29,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:29,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:29,104 INFO L87 Difference]: Start difference. First operand 267 states and 371 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:29,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:29,586 INFO L93 Difference]: Finished difference Result 341 states and 445 transitions. [2025-02-08 09:46:29,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:29,587 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2025-02-08 09:46:29,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:29,588 INFO L225 Difference]: With dead ends: 341 [2025-02-08 09:46:29,588 INFO L226 Difference]: Without dead ends: 340 [2025-02-08 09:46:29,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:29,589 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 63 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:29,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 212 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:46:29,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-02-08 09:46:29,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 269. [2025-02-08 09:46:29,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 220 states have (on average 1.6227272727272728) internal successors, (357), 259 states have internal predecessors, (357), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:29,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 373 transitions. [2025-02-08 09:46:29,599 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 373 transitions. Word has length 29 [2025-02-08 09:46:29,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:29,599 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 373 transitions. [2025-02-08 09:46:29,599 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), 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 09:46:29,599 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 373 transitions. [2025-02-08 09:46:29,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 09:46:29,600 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:29,600 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:29,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-08 09:46:29,601 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:29,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:29,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1311258545, now seen corresponding path program 1 times [2025-02-08 09:46:29,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:29,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133207783] [2025-02-08 09:46:29,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:29,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:29,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 09:46:29,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 09:46:29,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:29,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:29,677 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 09:46:29,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:29,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133207783] [2025-02-08 09:46:29,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133207783] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:29,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:29,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:29,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858925834] [2025-02-08 09:46:29,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:29,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:29,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:29,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:29,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:29,679 INFO L87 Difference]: Start difference. First operand 269 states and 373 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:29,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:29,816 INFO L93 Difference]: Finished difference Result 341 states and 443 transitions. [2025-02-08 09:46:29,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:29,817 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2025-02-08 09:46:29,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:29,818 INFO L225 Difference]: With dead ends: 341 [2025-02-08 09:46:29,818 INFO L226 Difference]: Without dead ends: 340 [2025-02-08 09:46:29,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:29,819 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 63 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:29,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 230 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:46:29,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-02-08 09:46:29,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 278. [2025-02-08 09:46:29,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 229 states have (on average 1.6200873362445414) internal successors, (371), 268 states have internal predecessors, (371), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:29,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 387 transitions. [2025-02-08 09:46:29,830 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 387 transitions. Word has length 29 [2025-02-08 09:46:29,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:29,831 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 387 transitions. [2025-02-08 09:46:29,831 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), 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 09:46:29,831 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 387 transitions. [2025-02-08 09:46:29,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 09:46:29,834 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:29,835 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:29,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-08 09:46:29,836 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:29,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:29,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1362791016, now seen corresponding path program 1 times [2025-02-08 09:46:29,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:29,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120358721] [2025-02-08 09:46:29,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:29,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:29,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 09:46:29,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 09:46:29,848 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:29,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:29,948 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 09:46:29,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:29,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120358721] [2025-02-08 09:46:29,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120358721] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:29,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:29,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:46:29,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611047314] [2025-02-08 09:46:29,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:29,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:46:29,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:29,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:46:29,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:46:29,950 INFO L87 Difference]: Start difference. First operand 278 states and 387 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:30,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:30,301 INFO L93 Difference]: Finished difference Result 389 states and 562 transitions. [2025-02-08 09:46:30,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:46:30,301 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2025-02-08 09:46:30,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:30,303 INFO L225 Difference]: With dead ends: 389 [2025-02-08 09:46:30,303 INFO L226 Difference]: Without dead ends: 387 [2025-02-08 09:46:30,303 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:46:30,304 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 280 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:30,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 99 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:30,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2025-02-08 09:46:30,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 284. [2025-02-08 09:46:30,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 235 states have (on average 1.6085106382978724) internal successors, (378), 274 states have internal predecessors, (378), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:30,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 394 transitions. [2025-02-08 09:46:30,315 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 394 transitions. Word has length 29 [2025-02-08 09:46:30,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:30,316 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 394 transitions. [2025-02-08 09:46:30,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:30,316 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 394 transitions. [2025-02-08 09:46:30,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-08 09:46:30,317 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:30,317 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] [2025-02-08 09:46:30,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-08 09:46:30,317 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:30,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:30,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1893244212, now seen corresponding path program 1 times [2025-02-08 09:46:30,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:30,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909498700] [2025-02-08 09:46:30,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:30,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:30,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 09:46:30,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 09:46:30,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:30,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:30,427 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 09:46:30,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:30,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909498700] [2025-02-08 09:46:30,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909498700] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:30,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331829275] [2025-02-08 09:46:30,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:30,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:30,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:30,430 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:30,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 09:46:30,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 09:46:30,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 09:46:30,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:30,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:30,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:46:30,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:30,526 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 09:46:30,526 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:30,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331829275] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:30,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:30,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-02-08 09:46:30,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807288057] [2025-02-08 09:46:30,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:30,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:46:30,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:30,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:46:30,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:46:30,528 INFO L87 Difference]: Start difference. First operand 284 states and 394 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 09:46:30,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:30,572 INFO L93 Difference]: Finished difference Result 284 states and 394 transitions. [2025-02-08 09:46:30,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:46:30,572 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 30 [2025-02-08 09:46:30,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:30,573 INFO L225 Difference]: With dead ends: 284 [2025-02-08 09:46:30,574 INFO L226 Difference]: Without dead ends: 283 [2025-02-08 09:46:30,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 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 09:46:30,575 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 82 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:30,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 291 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:46:30,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2025-02-08 09:46:30,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2025-02-08 09:46:30,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 235 states have (on average 1.5872340425531914) internal successors, (373), 273 states have internal predecessors, (373), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:30,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 389 transitions. [2025-02-08 09:46:30,584 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 389 transitions. Word has length 30 [2025-02-08 09:46:30,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:30,585 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 389 transitions. [2025-02-08 09:46:30,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 09:46:30,585 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 389 transitions. [2025-02-08 09:46:30,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-08 09:46:30,586 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:30,586 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] [2025-02-08 09:46:30,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:30,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:30,791 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:30,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:30,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1994309236, now seen corresponding path program 1 times [2025-02-08 09:46:30,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:30,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747413649] [2025-02-08 09:46:30,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:30,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:30,797 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 09:46:30,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 09:46:30,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:30,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:30,889 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 09:46:30,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:30,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747413649] [2025-02-08 09:46:30,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747413649] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:30,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:30,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:30,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995896210] [2025-02-08 09:46:30,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:30,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:30,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:30,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:30,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:30,890 INFO L87 Difference]: Start difference. First operand 283 states and 389 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 09:46:31,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:31,223 INFO L93 Difference]: Finished difference Result 339 states and 434 transitions. [2025-02-08 09:46:31,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:31,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 30 [2025-02-08 09:46:31,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:31,226 INFO L225 Difference]: With dead ends: 339 [2025-02-08 09:46:31,226 INFO L226 Difference]: Without dead ends: 338 [2025-02-08 09:46:31,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:31,227 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 61 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:31,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 211 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:31,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2025-02-08 09:46:31,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 285. [2025-02-08 09:46:31,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 237 states have (on average 1.5822784810126582) internal successors, (375), 275 states have internal predecessors, (375), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:31,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 391 transitions. [2025-02-08 09:46:31,238 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 391 transitions. Word has length 30 [2025-02-08 09:46:31,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:31,238 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 391 transitions. [2025-02-08 09:46:31,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 09:46:31,238 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 391 transitions. [2025-02-08 09:46:31,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-08 09:46:31,239 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:31,239 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] [2025-02-08 09:46:31,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-08 09:46:31,239 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:31,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:31,239 INFO L85 PathProgramCache]: Analyzing trace with hash -703151435, now seen corresponding path program 1 times [2025-02-08 09:46:31,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:31,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391928254] [2025-02-08 09:46:31,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:31,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:31,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 09:46:31,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 09:46:31,253 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:31,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:31,327 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 09:46:31,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:31,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391928254] [2025-02-08 09:46:31,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391928254] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:31,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:31,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:46:31,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162225781] [2025-02-08 09:46:31,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:31,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:46:31,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:31,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:46:31,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:46:31,329 INFO L87 Difference]: Start difference. First operand 285 states and 391 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 09:46:31,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:31,588 INFO L93 Difference]: Finished difference Result 293 states and 398 transitions. [2025-02-08 09:46:31,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:46:31,588 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 30 [2025-02-08 09:46:31,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:31,590 INFO L225 Difference]: With dead ends: 293 [2025-02-08 09:46:31,590 INFO L226 Difference]: Without dead ends: 291 [2025-02-08 09:46:31,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:46:31,591 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 239 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:31,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 77 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:31,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2025-02-08 09:46:31,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 285. [2025-02-08 09:46:31,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 237 states have (on average 1.5696202531645569) internal successors, (372), 275 states have internal predecessors, (372), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:31,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 388 transitions. [2025-02-08 09:46:31,601 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 388 transitions. Word has length 30 [2025-02-08 09:46:31,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:31,601 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 388 transitions. [2025-02-08 09:46:31,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 09:46:31,601 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 388 transitions. [2025-02-08 09:46:31,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-08 09:46:31,602 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:31,602 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] [2025-02-08 09:46:31,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-08 09:46:31,602 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:31,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:31,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1438971504, now seen corresponding path program 1 times [2025-02-08 09:46:31,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:31,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474687241] [2025-02-08 09:46:31,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:31,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:31,607 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 09:46:31,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 09:46:31,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:31,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:31,707 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 09:46:31,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:31,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474687241] [2025-02-08 09:46:31,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474687241] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:31,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109446041] [2025-02-08 09:46:31,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:31,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:31,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:31,710 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:31,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 09:46:31,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 09:46:31,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 09:46:31,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:31,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:31,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:46:31,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:31,788 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 09:46:31,788 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:31,857 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 09:46:31,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109446041] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:46:31,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:46:31,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 12 [2025-02-08 09:46:31,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269812285] [2025-02-08 09:46:31,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:31,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:46:31,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:31,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:46:31,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:46:31,860 INFO L87 Difference]: Start difference. First operand 285 states and 388 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 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 09:46:32,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:32,007 INFO L93 Difference]: Finished difference Result 772 states and 1047 transitions. [2025-02-08 09:46:32,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:46:32,007 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 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 31 [2025-02-08 09:46:32,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:32,010 INFO L225 Difference]: With dead ends: 772 [2025-02-08 09:46:32,010 INFO L226 Difference]: Without dead ends: 756 [2025-02-08 09:46:32,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 55 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 09:46:32,012 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 220 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:32,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 972 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:46:32,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2025-02-08 09:46:32,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 670. [2025-02-08 09:46:32,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 606 states have (on average 1.5907590759075907) internal successors, (964), 648 states have internal predecessors, (964), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 17 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:46:32,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 1006 transitions. [2025-02-08 09:46:32,057 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 1006 transitions. Word has length 31 [2025-02-08 09:46:32,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:32,057 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 1006 transitions. [2025-02-08 09:46:32,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 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 09:46:32,058 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1006 transitions. [2025-02-08 09:46:32,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-08 09:46:32,059 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:32,059 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] [2025-02-08 09:46:32,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 09:46:32,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:32,260 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:32,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:32,260 INFO L85 PathProgramCache]: Analyzing trace with hash 127856078, now seen corresponding path program 1 times [2025-02-08 09:46:32,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:32,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594488899] [2025-02-08 09:46:32,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:32,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:32,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:46:32,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:46:32,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:32,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:32,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2001350071] [2025-02-08 09:46:32,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:32,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:32,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:32,280 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:32,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 09:46:32,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:46:32,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:46:32,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:32,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:32,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:46:32,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:32,845 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 09:46:32,846 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:33,580 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 09:46:33,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:33,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594488899] [2025-02-08 09:46:33,580 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:33,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001350071] [2025-02-08 09:46:33,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001350071] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:46:33,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:46:33,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2025-02-08 09:46:33,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038775366] [2025-02-08 09:46:33,581 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:33,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:46:33,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:33,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:46:33,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:46:33,583 INFO L87 Difference]: Start difference. First operand 670 states and 1006 transitions. Second operand has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 15 states have internal predecessors, (59), 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 09:46:35,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:35,983 INFO L93 Difference]: Finished difference Result 1196 states and 1823 transitions. [2025-02-08 09:46:35,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-08 09:46:35,983 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 15 states have internal predecessors, (59), 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 33 [2025-02-08 09:46:35,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:35,992 INFO L225 Difference]: With dead ends: 1196 [2025-02-08 09:46:35,992 INFO L226 Difference]: Without dead ends: 1152 [2025-02-08 09:46:35,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=322, Invalid=670, Unknown=0, NotChecked=0, Total=992 [2025-02-08 09:46:35,995 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 692 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:35,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 156 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 865 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-02-08 09:46:35,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2025-02-08 09:46:36,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 821. [2025-02-08 09:46:36,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 755 states have (on average 1.5152317880794701) internal successors, (1144), 795 states have internal predecessors, (1144), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 21 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-08 09:46:36,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1192 transitions. [2025-02-08 09:46:36,058 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1192 transitions. Word has length 33 [2025-02-08 09:46:36,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:36,058 INFO L471 AbstractCegarLoop]: Abstraction has 821 states and 1192 transitions. [2025-02-08 09:46:36,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 15 states have internal predecessors, (59), 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 09:46:36,058 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1192 transitions. [2025-02-08 09:46:36,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-08 09:46:36,059 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:36,059 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] [2025-02-08 09:46:36,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 09:46:36,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:36,263 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:36,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:36,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1028870748, now seen corresponding path program 1 times [2025-02-08 09:46:36,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:36,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272301010] [2025-02-08 09:46:36,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:36,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:36,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:46:36,278 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:46:36,281 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:36,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:36,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [367235412] [2025-02-08 09:46:36,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:36,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:36,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:36,284 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:36,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 09:46:36,311 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:46:36,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:46:36,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:36,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:36,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:46:36,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:36,498 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 09:46:36,499 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:36,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:36,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272301010] [2025-02-08 09:46:36,499 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:36,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367235412] [2025-02-08 09:46:36,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367235412] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:36,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:36,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:46:36,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49895653] [2025-02-08 09:46:36,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:36,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:46:36,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:36,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:46:36,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:46:36,501 INFO L87 Difference]: Start difference. First operand 821 states and 1192 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 09:46:36,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:36,968 INFO L93 Difference]: Finished difference Result 966 states and 1410 transitions. [2025-02-08 09:46:36,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:46:36,969 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 33 [2025-02-08 09:46:36,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:36,974 INFO L225 Difference]: With dead ends: 966 [2025-02-08 09:46:36,975 INFO L226 Difference]: Without dead ends: 959 [2025-02-08 09:46:36,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:46:36,976 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 233 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:36,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 99 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:46:36,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2025-02-08 09:46:37,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 822. [2025-02-08 09:46:37,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 757 states have (on average 1.4980184940554822) internal successors, (1134), 797 states have internal predecessors, (1134), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 20 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:46:37,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1180 transitions. [2025-02-08 09:46:37,029 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1180 transitions. Word has length 33 [2025-02-08 09:46:37,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:37,029 INFO L471 AbstractCegarLoop]: Abstraction has 822 states and 1180 transitions. [2025-02-08 09:46:37,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 09:46:37,029 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1180 transitions. [2025-02-08 09:46:37,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-08 09:46:37,030 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:37,030 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] [2025-02-08 09:46:37,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:37,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:37,231 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:37,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:37,231 INFO L85 PathProgramCache]: Analyzing trace with hash -331428816, now seen corresponding path program 1 times [2025-02-08 09:46:37,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:37,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162578347] [2025-02-08 09:46:37,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:37,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:37,235 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:46:37,245 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:46:37,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:37,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:37,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1412423130] [2025-02-08 09:46:37,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:37,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:37,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:37,249 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 09:46:37,252 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 09:46:37,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:46:37,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:46:37,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:37,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:37,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:46:37,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:37,695 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 09:46:37,695 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:38,620 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 09:46:38,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:38,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162578347] [2025-02-08 09:46:38,621 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:38,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412423130] [2025-02-08 09:46:38,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412423130] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:46:38,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:46:38,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2025-02-08 09:46:38,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43217657] [2025-02-08 09:46:38,621 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:38,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:46:38,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:38,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:46:38,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:46:38,622 INFO L87 Difference]: Start difference. First operand 822 states and 1180 transitions. Second operand has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 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 09:46:41,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:41,161 INFO L93 Difference]: Finished difference Result 1215 states and 1779 transitions. [2025-02-08 09:46:41,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:46:41,162 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 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 34 [2025-02-08 09:46:41,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:41,167 INFO L225 Difference]: With dead ends: 1215 [2025-02-08 09:46:41,168 INFO L226 Difference]: Without dead ends: 1175 [2025-02-08 09:46:41,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=283, Invalid=587, Unknown=0, NotChecked=0, Total=870 [2025-02-08 09:46:41,170 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 623 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:41,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 164 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-02-08 09:46:41,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2025-02-08 09:46:41,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 887. [2025-02-08 09:46:41,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 823 states have (on average 1.4580801944106927) internal successors, (1200), 862 states have internal predecessors, (1200), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:41,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1244 transitions. [2025-02-08 09:46:41,233 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1244 transitions. Word has length 34 [2025-02-08 09:46:41,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:41,233 INFO L471 AbstractCegarLoop]: Abstraction has 887 states and 1244 transitions. [2025-02-08 09:46:41,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 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 09:46:41,234 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1244 transitions. [2025-02-08 09:46:41,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-08 09:46:41,234 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:41,234 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:41,242 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 09:46:41,435 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,SelfDestructingSolverStorable21 [2025-02-08 09:46:41,435 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:41,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:41,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1830222095, now seen corresponding path program 1 times [2025-02-08 09:46:41,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:41,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597766605] [2025-02-08 09:46:41,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:41,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:41,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:46:41,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:46:41,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:41,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:41,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [164107136] [2025-02-08 09:46:41,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:41,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:41,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:41,457 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 09:46:41,459 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 09:46:41,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:46:41,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:46:41,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:41,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:41,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:46:41,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:41,661 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 09:46:41,661 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:41,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:41,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597766605] [2025-02-08 09:46:41,662 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:41,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164107136] [2025-02-08 09:46:41,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164107136] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:41,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:41,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:46:41,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48197261] [2025-02-08 09:46:41,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:41,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:46:41,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:41,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:46:41,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:46:41,663 INFO L87 Difference]: Start difference. First operand 887 states and 1244 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:41,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:41,992 INFO L93 Difference]: Finished difference Result 902 states and 1256 transitions. [2025-02-08 09:46:41,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:46:41,992 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2025-02-08 09:46:41,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:41,996 INFO L225 Difference]: With dead ends: 902 [2025-02-08 09:46:41,996 INFO L226 Difference]: Without dead ends: 897 [2025-02-08 09:46:41,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 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 09:46:41,997 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 239 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:41,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 94 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:41,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2025-02-08 09:46:42,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 881. [2025-02-08 09:46:42,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 817 states have (on average 1.4332925336597306) internal successors, (1171), 856 states have internal predecessors, (1171), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:42,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1215 transitions. [2025-02-08 09:46:42,063 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1215 transitions. Word has length 34 [2025-02-08 09:46:42,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:42,063 INFO L471 AbstractCegarLoop]: Abstraction has 881 states and 1215 transitions. [2025-02-08 09:46:42,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:42,064 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1215 transitions. [2025-02-08 09:46:42,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-08 09:46:42,064 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:42,064 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] [2025-02-08 09:46:42,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-08 09:46:42,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:42,268 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:42,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:42,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1684358644, now seen corresponding path program 1 times [2025-02-08 09:46:42,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:42,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208875853] [2025-02-08 09:46:42,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:42,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:42,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:46:42,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:46:42,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:42,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:42,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [134420241] [2025-02-08 09:46:42,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:42,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:42,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:42,287 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 09:46:42,289 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 09:46:42,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:46:42,330 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:46:42,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:42,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:42,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-08 09:46:42,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:42,618 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 09:46:42,618 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:43,305 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:43,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:43,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208875853] [2025-02-08 09:46:43,305 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:43,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134420241] [2025-02-08 09:46:43,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134420241] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:43,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:43,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2025-02-08 09:46:43,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665846966] [2025-02-08 09:46:43,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:43,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:46:43,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:43,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:46:43,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:46:43,307 INFO L87 Difference]: Start difference. First operand 881 states and 1215 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 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 09:46:44,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:44,408 INFO L93 Difference]: Finished difference Result 900 states and 1235 transitions. [2025-02-08 09:46:44,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:46:44,409 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 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 35 [2025-02-08 09:46:44,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:44,412 INFO L225 Difference]: With dead ends: 900 [2025-02-08 09:46:44,412 INFO L226 Difference]: Without dead ends: 899 [2025-02-08 09:46:44,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:46:44,412 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 18 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:44,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 135 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:46:44,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2025-02-08 09:46:44,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 898. [2025-02-08 09:46:44,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 898 states, 834 states have (on average 1.419664268585132) internal successors, (1184), 873 states have internal predecessors, (1184), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:44,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1228 transitions. [2025-02-08 09:46:44,462 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1228 transitions. Word has length 35 [2025-02-08 09:46:44,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:44,462 INFO L471 AbstractCegarLoop]: Abstraction has 898 states and 1228 transitions. [2025-02-08 09:46:44,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 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 09:46:44,463 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1228 transitions. [2025-02-08 09:46:44,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-08 09:46:44,463 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:44,463 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] [2025-02-08 09:46:44,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:44,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:44,667 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:44,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:44,667 INFO L85 PathProgramCache]: Analyzing trace with hash -902310078, now seen corresponding path program 1 times [2025-02-08 09:46:44,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:44,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051297341] [2025-02-08 09:46:44,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:44,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:44,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:46:44,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:46:44,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:44,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:44,732 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 09:46:44,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:44,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051297341] [2025-02-08 09:46:44,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051297341] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:44,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:44,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:44,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888631471] [2025-02-08 09:46:44,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:44,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:44,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:44,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:44,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:44,735 INFO L87 Difference]: Start difference. First operand 898 states and 1228 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 09:46:44,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:44,948 INFO L93 Difference]: Finished difference Result 938 states and 1270 transitions. [2025-02-08 09:46:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:44,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 35 [2025-02-08 09:46:44,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:44,951 INFO L225 Difference]: With dead ends: 938 [2025-02-08 09:46:44,951 INFO L226 Difference]: Without dead ends: 937 [2025-02-08 09:46:44,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:44,952 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 35 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:44,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 190 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:44,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2025-02-08 09:46:45,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 920. [2025-02-08 09:46:45,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 856 states have (on average 1.4228971962616823) internal successors, (1218), 895 states have internal predecessors, (1218), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:45,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1262 transitions. [2025-02-08 09:46:45,004 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1262 transitions. Word has length 35 [2025-02-08 09:46:45,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:45,004 INFO L471 AbstractCegarLoop]: Abstraction has 920 states and 1262 transitions. [2025-02-08 09:46:45,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 09:46:45,004 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1262 transitions. [2025-02-08 09:46:45,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 09:46:45,005 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:45,005 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] [2025-02-08 09:46:45,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-02-08 09:46:45,005 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:45,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:45,006 INFO L85 PathProgramCache]: Analyzing trace with hash -675510354, now seen corresponding path program 1 times [2025-02-08 09:46:45,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:45,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104101747] [2025-02-08 09:46:45,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:45,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:45,010 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:46:45,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:46:45,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:45,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:45,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [755344845] [2025-02-08 09:46:45,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:45,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:45,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:45,021 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 09:46:45,024 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 09:46:45,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:46:45,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:46:45,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:45,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:45,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-08 09:46:45,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:45,309 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 09:46:45,309 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:46,226 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:46,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:46,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104101747] [2025-02-08 09:46:46,227 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:46,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755344845] [2025-02-08 09:46:46,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755344845] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:46,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:46,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2025-02-08 09:46:46,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391483995] [2025-02-08 09:46:46,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:46,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:46:46,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:46,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:46:46,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:46:46,228 INFO L87 Difference]: Start difference. First operand 920 states and 1262 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:47,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:47,424 INFO L93 Difference]: Finished difference Result 924 states and 1266 transitions. [2025-02-08 09:46:47,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:46:47,425 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2025-02-08 09:46:47,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:47,427 INFO L225 Difference]: With dead ends: 924 [2025-02-08 09:46:47,427 INFO L226 Difference]: Without dead ends: 923 [2025-02-08 09:46:47,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:46:47,428 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 31 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:47,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 115 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-08 09:46:47,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2025-02-08 09:46:47,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 922. [2025-02-08 09:46:47,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 858 states have (on average 1.416083916083916) internal successors, (1215), 897 states have internal predecessors, (1215), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:47,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1259 transitions. [2025-02-08 09:46:47,480 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1259 transitions. Word has length 36 [2025-02-08 09:46:47,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:47,481 INFO L471 AbstractCegarLoop]: Abstraction has 922 states and 1259 transitions. [2025-02-08 09:46:47,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:47,481 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1259 transitions. [2025-02-08 09:46:47,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 09:46:47,481 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:47,481 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] [2025-02-08 09:46:47,489 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 09:46:47,682 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,SelfDestructingSolverStorable25 [2025-02-08 09:46:47,682 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:47,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:47,683 INFO L85 PathProgramCache]: Analyzing trace with hash -2069839046, now seen corresponding path program 1 times [2025-02-08 09:46:47,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:47,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593409884] [2025-02-08 09:46:47,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:47,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:47,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:46:47,698 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:46:47,698 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:47,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:47,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1685913612] [2025-02-08 09:46:47,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:47,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:47,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:47,701 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 09:46:47,703 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 09:46:47,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:46:47,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:46:47,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:47,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:47,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:46:47,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:47,891 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:47,892 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:47,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:47,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593409884] [2025-02-08 09:46:47,892 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:47,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685913612] [2025-02-08 09:46:47,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685913612] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:47,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:47,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 09:46:47,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796343486] [2025-02-08 09:46:47,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:47,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:46:47,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:47,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:46:47,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:46:47,894 INFO L87 Difference]: Start difference. First operand 922 states and 1259 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:48,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:48,242 INFO L93 Difference]: Finished difference Result 930 states and 1265 transitions. [2025-02-08 09:46:48,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:46:48,242 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2025-02-08 09:46:48,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:48,245 INFO L225 Difference]: With dead ends: 930 [2025-02-08 09:46:48,245 INFO L226 Difference]: Without dead ends: 929 [2025-02-08 09:46:48,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:46:48,245 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 168 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:48,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 197 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:48,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2025-02-08 09:46:48,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 922. [2025-02-08 09:46:48,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 858 states have (on average 1.4125874125874125) internal successors, (1212), 897 states have internal predecessors, (1212), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:48,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1256 transitions. [2025-02-08 09:46:48,294 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1256 transitions. Word has length 36 [2025-02-08 09:46:48,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:48,295 INFO L471 AbstractCegarLoop]: Abstraction has 922 states and 1256 transitions. [2025-02-08 09:46:48,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:48,295 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1256 transitions. [2025-02-08 09:46:48,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 09:46:48,295 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:48,295 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:48,303 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 09:46:48,500 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,SelfDestructingSolverStorable26 [2025-02-08 09:46:48,500 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:48,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:48,500 INFO L85 PathProgramCache]: Analyzing trace with hash 2093158671, now seen corresponding path program 1 times [2025-02-08 09:46:48,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:48,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596489237] [2025-02-08 09:46:48,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:48,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:48,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:46:48,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:46:48,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:48,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:48,546 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 09:46:48,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:48,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596489237] [2025-02-08 09:46:48,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596489237] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:48,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:48,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:48,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302611104] [2025-02-08 09:46:48,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:48,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:48,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:48,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:48,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:48,548 INFO L87 Difference]: Start difference. First operand 922 states and 1256 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:48,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:48,797 INFO L93 Difference]: Finished difference Result 939 states and 1260 transitions. [2025-02-08 09:46:48,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:48,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2025-02-08 09:46:48,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:48,799 INFO L225 Difference]: With dead ends: 939 [2025-02-08 09:46:48,799 INFO L226 Difference]: Without dead ends: 938 [2025-02-08 09:46:48,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:48,800 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 33 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:48,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 183 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:48,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2025-02-08 09:46:48,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 924. [2025-02-08 09:46:48,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 860 states have (on average 1.4093023255813955) internal successors, (1212), 899 states have internal predecessors, (1212), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:48,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1256 transitions. [2025-02-08 09:46:48,862 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1256 transitions. Word has length 36 [2025-02-08 09:46:48,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:48,863 INFO L471 AbstractCegarLoop]: Abstraction has 924 states and 1256 transitions. [2025-02-08 09:46:48,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:48,863 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1256 transitions. [2025-02-08 09:46:48,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-02-08 09:46:48,863 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:48,864 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] [2025-02-08 09:46:48,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-02-08 09:46:48,864 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:48,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:48,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1086911374, now seen corresponding path program 1 times [2025-02-08 09:46:48,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:48,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152095188] [2025-02-08 09:46:48,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:48,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:48,869 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 09:46:48,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 09:46:48,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:48,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:48,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1948238622] [2025-02-08 09:46:48,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:48,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:48,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:48,878 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 09:46:48,880 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 09:46:48,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 09:46:48,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 09:46:48,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:48,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:48,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-08 09:46:48,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:49,403 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 09:46:49,403 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:51,324 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 09:46:51,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:51,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152095188] [2025-02-08 09:46:51,325 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:51,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948238622] [2025-02-08 09:46:51,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948238622] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:46:51,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:46:51,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2025-02-08 09:46:51,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000956690] [2025-02-08 09:46:51,325 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:51,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-08 09:46:51,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:51,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-08 09:46:51,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=269, Unknown=1, NotChecked=0, Total=342 [2025-02-08 09:46:51,326 INFO L87 Difference]: Start difference. First operand 924 states and 1256 transitions. Second operand has 19 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 17 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:46:52,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:52,628 INFO L93 Difference]: Finished difference Result 1057 states and 1432 transitions. [2025-02-08 09:46:52,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:46:52,629 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 17 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2025-02-08 09:46:52,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:52,632 INFO L225 Difference]: With dead ends: 1057 [2025-02-08 09:46:52,632 INFO L226 Difference]: Without dead ends: 1056 [2025-02-08 09:46:52,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=200, Invalid=555, Unknown=1, NotChecked=0, Total=756 [2025-02-08 09:46:52,633 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 372 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:52,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 230 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:46:52,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2025-02-08 09:46:52,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 947. [2025-02-08 09:46:52,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 883 states have (on average 1.3997734994337485) internal successors, (1236), 922 states have internal predecessors, (1236), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:52,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1280 transitions. [2025-02-08 09:46:52,688 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1280 transitions. Word has length 37 [2025-02-08 09:46:52,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:52,688 INFO L471 AbstractCegarLoop]: Abstraction has 947 states and 1280 transitions. [2025-02-08 09:46:52,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 17 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:46:52,689 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1280 transitions. [2025-02-08 09:46:52,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:46:52,689 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:52,689 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] [2025-02-08 09:46:52,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:52,894 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 09:46:52,894 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:52,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:52,895 INFO L85 PathProgramCache]: Analyzing trace with hash -545463304, now seen corresponding path program 1 times [2025-02-08 09:46:52,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:52,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619608081] [2025-02-08 09:46:52,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:52,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:52,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:46:52,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:46:52,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:52,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:52,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1532935847] [2025-02-08 09:46:52,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:52,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:52,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:52,910 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 09:46:52,912 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 09:46:52,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:46:52,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:46:52,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:52,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:52,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:46:52,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:53,130 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:53,130 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:53,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:53,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619608081] [2025-02-08 09:46:53,130 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:53,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532935847] [2025-02-08 09:46:53,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532935847] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:53,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:53,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:46:53,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111340188] [2025-02-08 09:46:53,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:53,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:46:53,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:53,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:46:53,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:46:53,132 INFO L87 Difference]: Start difference. First operand 947 states and 1280 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 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 09:46:53,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:53,420 INFO L93 Difference]: Finished difference Result 956 states and 1286 transitions. [2025-02-08 09:46:53,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:46:53,421 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 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 09:46:53,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:53,424 INFO L225 Difference]: With dead ends: 956 [2025-02-08 09:46:53,424 INFO L226 Difference]: Without dead ends: 954 [2025-02-08 09:46:53,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:46:53,425 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 165 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:53,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 201 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:53,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2025-02-08 09:46:53,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 947. [2025-02-08 09:46:53,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 883 states have (on average 1.3929784824462061) internal successors, (1230), 922 states have internal predecessors, (1230), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1274 transitions. [2025-02-08 09:46:53,484 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1274 transitions. Word has length 38 [2025-02-08 09:46:53,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:53,484 INFO L471 AbstractCegarLoop]: Abstraction has 947 states and 1274 transitions. [2025-02-08 09:46:53,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 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 09:46:53,484 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1274 transitions. [2025-02-08 09:46:53,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:46:53,484 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:53,484 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] [2025-02-08 09:46:53,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:53,685 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 09:46:53,685 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:53,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:53,685 INFO L85 PathProgramCache]: Analyzing trace with hash -665485716, now seen corresponding path program 1 times [2025-02-08 09:46:53,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:53,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213189678] [2025-02-08 09:46:53,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:53,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:53,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:46:53,695 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:46:53,695 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:53,695 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:53,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1981923982] [2025-02-08 09:46:53,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:53,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:53,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:53,698 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 09:46:53,701 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 09:46:53,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:46:53,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:46:53,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:53,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:53,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:46:53,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:53,794 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:46:53,794 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:53,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:53,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213189678] [2025-02-08 09:46:53,794 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:53,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981923982] [2025-02-08 09:46:53,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981923982] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:53,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:53,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:53,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971284508] [2025-02-08 09:46:53,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:53,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:53,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:53,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:53,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:53,796 INFO L87 Difference]: Start difference. First operand 947 states and 1274 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 09:46:54,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:54,084 INFO L93 Difference]: Finished difference Result 969 states and 1286 transitions. [2025-02-08 09:46:54,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:54,084 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 09:46:54,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:54,086 INFO L225 Difference]: With dead ends: 969 [2025-02-08 09:46:54,086 INFO L226 Difference]: Without dead ends: 968 [2025-02-08 09:46:54,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:54,087 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 60 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:54,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 131 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:54,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2025-02-08 09:46:54,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 947. [2025-02-08 09:46:54,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 883 states have (on average 1.3873159682899208) internal successors, (1225), 922 states have internal predecessors, (1225), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:54,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1269 transitions. [2025-02-08 09:46:54,123 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1269 transitions. Word has length 38 [2025-02-08 09:46:54,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:54,123 INFO L471 AbstractCegarLoop]: Abstraction has 947 states and 1269 transitions. [2025-02-08 09:46:54,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 09:46:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1269 transitions. [2025-02-08 09:46:54,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:46:54,124 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:54,124 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] [2025-02-08 09:46:54,129 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 09:46:54,324 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 09:46:54,324 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:54,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:54,325 INFO L85 PathProgramCache]: Analyzing trace with hash 270506814, now seen corresponding path program 1 times [2025-02-08 09:46:54,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:54,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961633316] [2025-02-08 09:46:54,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:54,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:54,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:46:54,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:46:54,335 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:54,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:54,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2030585542] [2025-02-08 09:46:54,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:54,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:54,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:54,338 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 09:46:54,341 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 09:46:54,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:46:54,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:46:54,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:54,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:54,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 09:46:54,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:54,724 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 09:46:54,725 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:55,424 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:55,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:55,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961633316] [2025-02-08 09:46:55,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:55,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030585542] [2025-02-08 09:46:55,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030585542] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:46:55,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:46:55,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2025-02-08 09:46:55,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134281717] [2025-02-08 09:46:55,425 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:55,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:46:55,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:55,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:46:55,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:46:55,426 INFO L87 Difference]: Start difference. First operand 947 states and 1269 transitions. Second operand has 13 states, 12 states have (on average 5.916666666666667) internal successors, (71), 13 states have internal predecessors, (71), 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 09:46:56,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:56,634 INFO L93 Difference]: Finished difference Result 1298 states and 1739 transitions. [2025-02-08 09:46:56,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:46:56,635 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.916666666666667) internal successors, (71), 13 states have internal predecessors, (71), 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 39 [2025-02-08 09:46:56,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:56,638 INFO L225 Difference]: With dead ends: 1298 [2025-02-08 09:46:56,638 INFO L226 Difference]: Without dead ends: 894 [2025-02-08 09:46:56,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=170, Invalid=336, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:46:56,639 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 366 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:56,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 105 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-08 09:46:56,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2025-02-08 09:46:56,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 879. [2025-02-08 09:46:56,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 879 states, 817 states have (on average 1.4002447980416157) internal successors, (1144), 856 states have internal predecessors, (1144), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:46:56,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1184 transitions. [2025-02-08 09:46:56,696 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1184 transitions. Word has length 39 [2025-02-08 09:46:56,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:56,696 INFO L471 AbstractCegarLoop]: Abstraction has 879 states and 1184 transitions. [2025-02-08 09:46:56,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.916666666666667) internal successors, (71), 13 states have internal predecessors, (71), 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 09:46:56,697 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1184 transitions. [2025-02-08 09:46:56,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:46:56,697 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:56,697 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] [2025-02-08 09:46:56,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:56,897 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 09:46:56,898 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:56,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:56,898 INFO L85 PathProgramCache]: Analyzing trace with hash 844779340, now seen corresponding path program 1 times [2025-02-08 09:46:56,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:56,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329609546] [2025-02-08 09:46:56,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:56,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:56,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:46:56,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:46:56,909 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:56,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:56,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [896954619] [2025-02-08 09:46:56,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:56,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:56,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:56,914 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 09:46:56,916 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 09:46:56,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:46:56,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:46:56,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:56,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:56,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:46:56,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:57,295 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 09:46:57,295 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:57,524 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:57,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:57,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329609546] [2025-02-08 09:46:57,524 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:57,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896954619] [2025-02-08 09:46:57,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896954619] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:57,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:57,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2025-02-08 09:46:57,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339616350] [2025-02-08 09:46:57,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:57,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:46:57,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:57,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:46:57,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:46:57,525 INFO L87 Difference]: Start difference. First operand 879 states and 1184 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 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 09:46:57,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:57,885 INFO L93 Difference]: Finished difference Result 889 states and 1198 transitions. [2025-02-08 09:46:57,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:46:57,886 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 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 09:46:57,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:57,888 INFO L225 Difference]: With dead ends: 889 [2025-02-08 09:46:57,888 INFO L226 Difference]: Without dead ends: 888 [2025-02-08 09:46:57,888 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:46:57,889 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 121 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:57,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 109 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:57,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2025-02-08 09:46:57,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 887. [2025-02-08 09:46:57,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 825 states have (on average 1.3963636363636365) internal successors, (1152), 864 states have internal predecessors, (1152), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:46:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1192 transitions. [2025-02-08 09:46:57,964 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1192 transitions. Word has length 39 [2025-02-08 09:46:57,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:57,964 INFO L471 AbstractCegarLoop]: Abstraction has 887 states and 1192 transitions. [2025-02-08 09:46:57,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 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 09:46:57,964 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1192 transitions. [2025-02-08 09:46:57,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:46:57,965 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:57,965 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] [2025-02-08 09:46:57,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:58,165 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 09:46:58,166 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:58,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:58,166 INFO L85 PathProgramCache]: Analyzing trace with hash 623883797, now seen corresponding path program 1 times [2025-02-08 09:46:58,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:58,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615132132] [2025-02-08 09:46:58,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:58,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:58,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:46:58,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:46:58,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:58,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:58,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [396332998] [2025-02-08 09:46:58,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:58,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:58,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:58,184 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 09:46:58,187 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 09:46:58,215 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:46:58,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:46:58,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:58,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:58,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:46:58,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:58,444 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 09:46:58,444 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:58,776 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 09:46:58,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:58,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615132132] [2025-02-08 09:46:58,777 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:58,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396332998] [2025-02-08 09:46:58,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396332998] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:46:58,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:46:58,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-08 09:46:58,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686501310] [2025-02-08 09:46:58,777 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:58,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:46:58,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:58,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:46:58,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:46:58,778 INFO L87 Difference]: Start difference. First operand 887 states and 1192 transitions. Second operand has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 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 09:47:00,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:00,716 INFO L93 Difference]: Finished difference Result 950 states and 1273 transitions. [2025-02-08 09:47:00,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:47:00,717 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 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 41 [2025-02-08 09:47:00,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:00,719 INFO L225 Difference]: With dead ends: 950 [2025-02-08 09:47:00,719 INFO L226 Difference]: Without dead ends: 944 [2025-02-08 09:47:00,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=230, Invalid=472, Unknown=0, NotChecked=0, Total=702 [2025-02-08 09:47:00,720 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 517 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:00,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 192 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-08 09:47:00,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2025-02-08 09:47:00,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 918. [2025-02-08 09:47:00,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 856 states have (on average 1.391355140186916) internal successors, (1191), 894 states have internal predecessors, (1191), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:47:00,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1231 transitions. [2025-02-08 09:47:00,758 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1231 transitions. Word has length 41 [2025-02-08 09:47:00,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:00,758 INFO L471 AbstractCegarLoop]: Abstraction has 918 states and 1231 transitions. [2025-02-08 09:47:00,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 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 09:47:00,758 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1231 transitions. [2025-02-08 09:47:00,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:47:00,759 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:00,759 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] [2025-02-08 09:47:00,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-08 09:47:00,959 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,SelfDestructingSolverStorable33 [2025-02-08 09:47:00,959 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:47:00,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:00,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1743090541, now seen corresponding path program 1 times [2025-02-08 09:47:00,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:00,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867523735] [2025-02-08 09:47:00,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:00,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:00,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:47:00,971 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:47:00,971 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:00,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:00,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1267047492] [2025-02-08 09:47:00,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:00,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:00,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:00,975 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:00,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-08 09:47:01,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:47:01,020 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:47:01,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:01,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:01,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:47:01,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:01,320 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 09:47:01,320 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:01,826 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 09:47:01,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:01,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867523735] [2025-02-08 09:47:01,826 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:01,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267047492] [2025-02-08 09:47:01,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267047492] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:47:01,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:47:01,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-08 09:47:01,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613165486] [2025-02-08 09:47:01,827 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:01,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:47:01,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:01,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:47:01,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:47:01,828 INFO L87 Difference]: Start difference. First operand 918 states and 1231 transitions. Second operand has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 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 09:47:04,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:04,034 INFO L93 Difference]: Finished difference Result 943 states and 1258 transitions. [2025-02-08 09:47:04,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 09:47:04,034 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 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 43 [2025-02-08 09:47:04,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:04,037 INFO L225 Difference]: With dead ends: 943 [2025-02-08 09:47:04,037 INFO L226 Difference]: Without dead ends: 942 [2025-02-08 09:47:04,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2025-02-08 09:47:04,038 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 350 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:04,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 173 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-02-08 09:47:04,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2025-02-08 09:47:04,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 920. [2025-02-08 09:47:04,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 858 states have (on average 1.386946386946387) internal successors, (1190), 896 states have internal predecessors, (1190), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:47:04,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1230 transitions. [2025-02-08 09:47:04,079 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1230 transitions. Word has length 43 [2025-02-08 09:47:04,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:04,080 INFO L471 AbstractCegarLoop]: Abstraction has 920 states and 1230 transitions. [2025-02-08 09:47:04,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 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 09:47:04,080 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1230 transitions. [2025-02-08 09:47:04,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:47:04,080 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:04,080 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:04,086 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 09:47:04,280 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,SelfDestructingSolverStorable34 [2025-02-08 09:47:04,281 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:47:04,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:04,281 INFO L85 PathProgramCache]: Analyzing trace with hash -72762607, now seen corresponding path program 1 times [2025-02-08 09:47:04,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:04,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141334081] [2025-02-08 09:47:04,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:04,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:04,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:47:04,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:47:04,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:04,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:04,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1799366499] [2025-02-08 09:47:04,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:04,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:04,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:04,295 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:04,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-08 09:47:04,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:47:04,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:47:04,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:04,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:04,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:47:04,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:04,893 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 09:47:04,893 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:05,448 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:47:05,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:05,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141334081] [2025-02-08 09:47:05,449 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:05,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799366499] [2025-02-08 09:47:05,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799366499] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:05,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:05,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 15 [2025-02-08 09:47:05,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467224669] [2025-02-08 09:47:05,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:05,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:47:05,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:05,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:47:05,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:47:05,450 INFO L87 Difference]: Start difference. First operand 920 states and 1230 transitions. Second operand has 8 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:47:06,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:06,524 INFO L93 Difference]: Finished difference Result 936 states and 1250 transitions. [2025-02-08 09:47:06,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:47:06,524 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2025-02-08 09:47:06,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:06,527 INFO L225 Difference]: With dead ends: 936 [2025-02-08 09:47:06,527 INFO L226 Difference]: Without dead ends: 935 [2025-02-08 09:47:06,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:47:06,529 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 33 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:06,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 149 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:47:06,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2025-02-08 09:47:06,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 906. [2025-02-08 09:47:06,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 844 states have (on average 1.3874407582938388) internal successors, (1171), 882 states have internal predecessors, (1171), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:47:06,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1211 transitions. [2025-02-08 09:47:06,575 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1211 transitions. Word has length 45 [2025-02-08 09:47:06,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:06,575 INFO L471 AbstractCegarLoop]: Abstraction has 906 states and 1211 transitions. [2025-02-08 09:47:06,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:47:06,575 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1211 transitions. [2025-02-08 09:47:06,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-08 09:47:06,576 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:06,576 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, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:06,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-08 09:47:06,776 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,SelfDestructingSolverStorable35 [2025-02-08 09:47:06,776 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:47:06,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:06,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1174650677, now seen corresponding path program 1 times [2025-02-08 09:47:06,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:06,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22099237] [2025-02-08 09:47:06,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:06,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:06,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 09:47:06,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:47:06,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:06,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:06,978 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:47:06,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:06,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22099237] [2025-02-08 09:47:06,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22099237] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:47:06,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:47:06,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:47:06,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082031148] [2025-02-08 09:47:06,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:06,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:47:06,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:06,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:47:06,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:47:06,979 INFO L87 Difference]: Start difference. First operand 906 states and 1211 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 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 09:47:07,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:07,451 INFO L93 Difference]: Finished difference Result 1421 states and 1909 transitions. [2025-02-08 09:47:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:47:07,451 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 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 09:47:07,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:07,454 INFO L225 Difference]: With dead ends: 1421 [2025-02-08 09:47:07,454 INFO L226 Difference]: Without dead ends: 1095 [2025-02-08 09:47:07,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:47:07,455 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 255 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:07,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 254 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:47:07,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2025-02-08 09:47:07,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 1058. [2025-02-08 09:47:07,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 991 states have (on average 1.4006054490413724) internal successors, (1388), 1029 states have internal predecessors, (1388), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:47:07,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1438 transitions. [2025-02-08 09:47:07,510 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1438 transitions. Word has length 51 [2025-02-08 09:47:07,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:07,510 INFO L471 AbstractCegarLoop]: Abstraction has 1058 states and 1438 transitions. [2025-02-08 09:47:07,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 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 09:47:07,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1438 transitions. [2025-02-08 09:47:07,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-08 09:47:07,510 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:07,510 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] [2025-02-08 09:47:07,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-02-08 09:47:07,511 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:47:07,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:07,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1172097365, now seen corresponding path program 1 times [2025-02-08 09:47:07,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:07,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677830173] [2025-02-08 09:47:07,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:07,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:07,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 09:47:07,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:47:07,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:07,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:07,561 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:47:07,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:07,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677830173] [2025-02-08 09:47:07,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677830173] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:47:07,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:47:07,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:47:07,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856303455] [2025-02-08 09:47:07,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:07,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:47:07,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:07,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:47:07,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:47:07,563 INFO L87 Difference]: Start difference. First operand 1058 states and 1438 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 09:47:07,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:07,737 INFO L93 Difference]: Finished difference Result 1058 states and 1438 transitions. [2025-02-08 09:47:07,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:47:07,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 09:47:07,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:07,741 INFO L225 Difference]: With dead ends: 1058 [2025-02-08 09:47:07,741 INFO L226 Difference]: Without dead ends: 1055 [2025-02-08 09:47:07,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:47:07,742 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 44 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:07,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 101 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:47:07,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2025-02-08 09:47:07,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1055. [2025-02-08 09:47:07,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 991 states have (on average 1.386478304742684) internal successors, (1374), 1026 states have internal predecessors, (1374), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:47:07,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1424 transitions. [2025-02-08 09:47:07,823 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1424 transitions. Word has length 51 [2025-02-08 09:47:07,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:07,823 INFO L471 AbstractCegarLoop]: Abstraction has 1055 states and 1424 transitions. [2025-02-08 09:47:07,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 09:47:07,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1424 transitions. [2025-02-08 09:47:07,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-08 09:47:07,824 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:07,824 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:07,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-02-08 09:47:07,825 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:47:07,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:07,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1977349417, now seen corresponding path program 1 times [2025-02-08 09:47:07,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:07,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505707945] [2025-02-08 09:47:07,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:07,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:07,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 09:47:07,839 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 09:47:07,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:07,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:07,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [924986374] [2025-02-08 09:47:07,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:07,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:07,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:07,844 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:07,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-08 09:47:07,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 09:47:07,891 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 09:47:07,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:07,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:07,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-08 09:47:07,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:31,173 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:47:31,173 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:32,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:32,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505707945] [2025-02-08 09:47:32,567 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:32,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924986374] [2025-02-08 09:47:32,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924986374] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:32,567 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:32,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-02-08 09:47:32,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551818210] [2025-02-08 09:47:32,567 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:32,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:47:32,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:32,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:47:32,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=380, Unknown=3, NotChecked=0, Total=462 [2025-02-08 09:47:32,568 INFO L87 Difference]: Start difference. First operand 1055 states and 1424 transitions. Second operand has 15 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 15 states have internal predecessors, (48), 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 09:47:36,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:47:43,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:47:48,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:47:50,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]