./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-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/cohendiv-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 011044826c7a01c153d09406112c335d599fb158d7a4b72e6a624d5427477c0d --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:22:29,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:22:29,891 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:22:29,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:22:29,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:22:29,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:22:29,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:22:29,929 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:22:29,930 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:22:29,930 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:22:29,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:22:29,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:22:29,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:22:29,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:22:29,932 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:22:29,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:22:29,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:22:29,932 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:22:29,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:22:29,933 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:22:29,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:22:29,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:22:29,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:22:29,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:22:29,933 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:22:29,933 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:22:29,933 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:22:29,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:22:29,933 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:22:29,934 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:22:29,934 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:22:29,934 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:22:29,934 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:22:29,934 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:22:29,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:22:29,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:22:29,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:22:29,935 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:22:29,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:22:29,935 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:22:29,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:22:29,935 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:22:29,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:22:29,936 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:22:29,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:22:29,936 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 -> 011044826c7a01c153d09406112c335d599fb158d7a4b72e6a624d5427477c0d [2025-02-08 09:22:30,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:22:30,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:22:30,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:22:30,207 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:22:30,207 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:22:30,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound5.c [2025-02-08 09:22:31,444 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a56ada28c/c39019bb6eb44f8f8dbc5d89c76b88fc/FLAG8aa0d93c0 [2025-02-08 09:22:31,675 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:22:31,676 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound5.c [2025-02-08 09:22:31,693 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a56ada28c/c39019bb6eb44f8f8dbc5d89c76b88fc/FLAG8aa0d93c0 [2025-02-08 09:22:31,715 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a56ada28c/c39019bb6eb44f8f8dbc5d89c76b88fc [2025-02-08 09:22:31,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:22:31,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:22:31,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:22:31,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:22:31,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:22:31,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:22:31" (1/1) ... [2025-02-08 09:22:31,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d08bdda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:22:31, skipping insertion in model container [2025-02-08 09:22:31,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:22:31" (1/1) ... [2025-02-08 09:22:31,739 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:22:31,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:22:31,890 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:22:31,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:22:31,923 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:22:31,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:22:31 WrapperNode [2025-02-08 09:22:31,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:22:31,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:22:31,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:22:31,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:22:31,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:22:31" (1/1) ... [2025-02-08 09:22:31,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:22:31" (1/1) ... [2025-02-08 09:22:31,954 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2025-02-08 09:22:31,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:22:31,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:22:31,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:22:31,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:22:31,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:22:31" (1/1) ... [2025-02-08 09:22:31,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:22:31" (1/1) ... [2025-02-08 09:22:31,965 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:22:31" (1/1) ... [2025-02-08 09:22:31,983 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 09:22:31,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:22:31" (1/1) ... [2025-02-08 09:22:31,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:22:31" (1/1) ... [2025-02-08 09:22:31,989 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:22:31" (1/1) ... [2025-02-08 09:22:31,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:22:31" (1/1) ... [2025-02-08 09:22:31,991 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:22:31" (1/1) ... [2025-02-08 09:22:31,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:22:31" (1/1) ... [2025-02-08 09:22:31,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:22:31,996 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:22:31,997 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:22:31,997 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:22:31,997 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:22:31" (1/1) ... [2025-02-08 09:22:32,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:22:32,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:32,036 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 09:22:32,039 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 09:22:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:22:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:22:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:22:32,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:22:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:22:32,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:22:32,108 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:22:32,109 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:22:32,361 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2025-02-08 09:22:32,361 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:22:32,373 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:22:32,373 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:22:32,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:22:32 BoogieIcfgContainer [2025-02-08 09:22:32,373 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:22:32,376 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:22:32,376 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:22:32,380 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:22:32,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:22:31" (1/3) ... [2025-02-08 09:22:32,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27549c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:22:32, skipping insertion in model container [2025-02-08 09:22:32,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:22:31" (2/3) ... [2025-02-08 09:22:32,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27549c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:22:32, skipping insertion in model container [2025-02-08 09:22:32,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:22:32" (3/3) ... [2025-02-08 09:22:32,385 INFO L128 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound5.c [2025-02-08 09:22:32,399 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:22:32,401 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohendiv-ll_unwindbound5.c that has 2 procedures, 91 locations, 1 initial locations, 2 loop locations, and 34 error locations. [2025-02-08 09:22:32,456 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:22:32,467 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;@54be5b0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:22:32,468 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2025-02-08 09:22:32,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 48 states have (on average 1.875) internal successors, (90), 82 states have internal predecessors, (90), 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 09:22:32,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:22:32,474 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:32,475 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:22:32,475 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:32,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:32,478 INFO L85 PathProgramCache]: Analyzing trace with hash 117316890, now seen corresponding path program 1 times [2025-02-08 09:22:32,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:32,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467496127] [2025-02-08 09:22:32,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:32,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:32,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:22:32,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:22:32,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:32,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:32,588 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 09:22:32,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:32,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467496127] [2025-02-08 09:22:32,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467496127] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:32,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:32,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:22:32,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008663832] [2025-02-08 09:22:32,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:32,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:22:32,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:32,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:22:32,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:22:32,616 INFO L87 Difference]: Start difference. First operand has 91 states, 48 states have (on average 1.875) internal successors, (90), 82 states have internal predecessors, (90), 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) 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 09:22:32,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:32,647 INFO L93 Difference]: Finished difference Result 180 states and 212 transitions. [2025-02-08 09:22:32,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:22:32,649 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 09:22:32,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:32,654 INFO L225 Difference]: With dead ends: 180 [2025-02-08 09:22:32,654 INFO L226 Difference]: Without dead ends: 87 [2025-02-08 09:22:32,658 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 09:22:32,662 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:32,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:22:32,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2025-02-08 09:22:32,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2025-02-08 09:22:32,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 46 states have (on average 1.8043478260869565) internal successors, (83), 79 states have internal predecessors, (83), 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 09:22:32,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2025-02-08 09:22:32,713 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 5 [2025-02-08 09:22:32,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:32,713 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2025-02-08 09:22:32,713 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 09:22:32,714 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2025-02-08 09:22:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:22:32,714 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:32,715 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:22:32,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:22:32,715 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:32,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:32,716 INFO L85 PathProgramCache]: Analyzing trace with hash 117346681, now seen corresponding path program 1 times [2025-02-08 09:22:32,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:32,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181045215] [2025-02-08 09:22:32,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:32,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:32,725 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:22:32,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:22:32,739 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:32,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:32,821 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 09:22:32,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:32,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181045215] [2025-02-08 09:22:32,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181045215] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:32,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:32,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:22:32,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942360696] [2025-02-08 09:22:32,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:32,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:22:32,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:32,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:22:32,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:22:32,827 INFO L87 Difference]: Start difference. First operand 87 states and 95 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 09:22:32,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:32,892 INFO L93 Difference]: Finished difference Result 125 states and 135 transitions. [2025-02-08 09:22:32,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:22:32,893 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 09:22:32,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:32,894 INFO L225 Difference]: With dead ends: 125 [2025-02-08 09:22:32,894 INFO L226 Difference]: Without dead ends: 124 [2025-02-08 09:22:32,895 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 09:22:32,895 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 39 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:32,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 262 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:22:32,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2025-02-08 09:22:32,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 103. [2025-02-08 09:22:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 59 states have (on average 1.7627118644067796) internal successors, (104), 93 states have internal predecessors, (104), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:22:32,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2025-02-08 09:22:32,905 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 5 [2025-02-08 09:22:32,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:32,906 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2025-02-08 09:22:32,906 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 09:22:32,906 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2025-02-08 09:22:32,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 09:22:32,906 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:32,906 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 09:22:32,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:22:32,907 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:32,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:32,907 INFO L85 PathProgramCache]: Analyzing trace with hash -657220131, now seen corresponding path program 1 times [2025-02-08 09:22:32,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:32,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535844705] [2025-02-08 09:22:32,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:32,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:32,912 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 09:22:32,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 09:22:32,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:32,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:32,965 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 09:22:32,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:32,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535844705] [2025-02-08 09:22:32,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535844705] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:32,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:32,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:22:32,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89660896] [2025-02-08 09:22:32,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:32,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:22:32,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:32,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:22:32,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:22:32,966 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 09:22:33,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:33,019 INFO L93 Difference]: Finished difference Result 112 states and 127 transitions. [2025-02-08 09:22:33,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:22:33,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2025-02-08 09:22:33,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:33,021 INFO L225 Difference]: With dead ends: 112 [2025-02-08 09:22:33,021 INFO L226 Difference]: Without dead ends: 103 [2025-02-08 09:22:33,022 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 09:22:33,023 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 3 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:33,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 265 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:22:33,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2025-02-08 09:22:33,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2025-02-08 09:22:33,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 59 states have (on average 1.728813559322034) internal successors, (102), 93 states have internal predecessors, (102), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:22:33,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2025-02-08 09:22:33,037 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 6 [2025-02-08 09:22:33,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:33,040 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2025-02-08 09:22:33,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 09:22:33,040 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2025-02-08 09:22:33,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-08 09:22:33,040 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:33,040 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:33,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 09:22:33,041 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:33,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:33,041 INFO L85 PathProgramCache]: Analyzing trace with hash -228351717, now seen corresponding path program 1 times [2025-02-08 09:22:33,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:33,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119378554] [2025-02-08 09:22:33,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:33,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:33,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 09:22:33,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 09:22:33,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:33,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:33,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1924783944] [2025-02-08 09:22:33,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:33,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:33,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:33,064 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 09:22:33,067 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 09:22:33,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 09:22:33,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 09:22:33,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:33,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:33,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:22:33,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:33,127 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 09:22:33,128 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:22:33,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:33,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119378554] [2025-02-08 09:22:33,128 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:33,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924783944] [2025-02-08 09:22:33,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924783944] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:33,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:33,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:22:33,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279487475] [2025-02-08 09:22:33,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:33,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:22:33,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:33,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:22:33,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:22:33,130 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 09:22:33,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:33,212 INFO L93 Difference]: Finished difference Result 118 states and 127 transitions. [2025-02-08 09:22:33,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:22:33,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 09:22:33,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:33,213 INFO L225 Difference]: With dead ends: 118 [2025-02-08 09:22:33,213 INFO L226 Difference]: Without dead ends: 116 [2025-02-08 09:22:33,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 09:22:33,214 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 18 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:33,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 165 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:22:33,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2025-02-08 09:22:33,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 103. [2025-02-08 09:22:33,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 59 states have (on average 1.694915254237288) internal successors, (100), 93 states have internal predecessors, (100), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:22:33,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 116 transitions. [2025-02-08 09:22:33,225 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 116 transitions. Word has length 8 [2025-02-08 09:22:33,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:33,225 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 116 transitions. [2025-02-08 09:22:33,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 09:22:33,225 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2025-02-08 09:22:33,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-08 09:22:33,226 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:33,226 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:33,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 09:22:33,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:33,427 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:33,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:33,427 INFO L85 PathProgramCache]: Analyzing trace with hash 862441892, now seen corresponding path program 1 times [2025-02-08 09:22:33,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:33,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849098909] [2025-02-08 09:22:33,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:33,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:33,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 09:22:33,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 09:22:33,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:33,450 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:33,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [496059867] [2025-02-08 09:22:33,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:33,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:33,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:33,453 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 09:22:33,455 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 09:22:33,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 09:22:33,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 09:22:33,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:33,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:33,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:22:33,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:33,524 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 09:22:33,525 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:22:33,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:33,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849098909] [2025-02-08 09:22:33,525 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:33,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496059867] [2025-02-08 09:22:33,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496059867] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:33,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:33,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:22:33,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948985199] [2025-02-08 09:22:33,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:33,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:22:33,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:33,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:22:33,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:22:33,527 INFO L87 Difference]: Start difference. First operand 103 states and 116 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 09:22:33,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:33,608 INFO L93 Difference]: Finished difference Result 159 states and 182 transitions. [2025-02-08 09:22:33,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:22:33,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 15 [2025-02-08 09:22:33,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:33,611 INFO L225 Difference]: With dead ends: 159 [2025-02-08 09:22:33,612 INFO L226 Difference]: Without dead ends: 153 [2025-02-08 09:22:33,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 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 09:22:33,612 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 51 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:33,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 140 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:22:33,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2025-02-08 09:22:33,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 131. [2025-02-08 09:22:33,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 83 states have (on average 1.6987951807228916) internal successors, (141), 116 states have internal predecessors, (141), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:22:33,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 165 transitions. [2025-02-08 09:22:33,631 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 165 transitions. Word has length 15 [2025-02-08 09:22:33,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:33,631 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 165 transitions. [2025-02-08 09:22:33,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 09:22:33,631 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 165 transitions. [2025-02-08 09:22:33,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-08 09:22:33,631 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:33,631 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:33,638 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 09:22:33,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:33,832 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:33,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:33,833 INFO L85 PathProgramCache]: Analyzing trace with hash -122028542, now seen corresponding path program 1 times [2025-02-08 09:22:33,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:33,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251025871] [2025-02-08 09:22:33,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:33,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:33,838 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 09:22:33,850 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 09:22:33,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:33,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:33,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2077955564] [2025-02-08 09:22:33,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:33,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:33,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:33,858 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 09:22:33,862 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 09:22:33,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 09:22:33,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 09:22:33,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:33,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:33,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:22:33,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:34,011 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 09:22:34,011 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:22:34,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:34,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251025871] [2025-02-08 09:22:34,011 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:34,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077955564] [2025-02-08 09:22:34,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077955564] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:34,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:34,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:22:34,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038578938] [2025-02-08 09:22:34,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:34,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:22:34,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:34,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:22:34,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:22:34,012 INFO L87 Difference]: Start difference. First operand 131 states and 165 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 09:22:34,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:34,151 INFO L93 Difference]: Finished difference Result 152 states and 172 transitions. [2025-02-08 09:22:34,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:22:34,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 17 [2025-02-08 09:22:34,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:34,153 INFO L225 Difference]: With dead ends: 152 [2025-02-08 09:22:34,153 INFO L226 Difference]: Without dead ends: 149 [2025-02-08 09:22:34,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:22:34,154 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 182 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:34,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 139 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:22:34,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2025-02-08 09:22:34,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 132. [2025-02-08 09:22:34,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 84 states have (on average 1.6666666666666667) internal successors, (140), 117 states have internal predecessors, (140), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:22:34,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 164 transitions. [2025-02-08 09:22:34,169 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 164 transitions. Word has length 17 [2025-02-08 09:22:34,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:34,170 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 164 transitions. [2025-02-08 09:22:34,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 09:22:34,170 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 164 transitions. [2025-02-08 09:22:34,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-08 09:22:34,171 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:34,171 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:34,179 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 09:22:34,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:34,372 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:34,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:34,372 INFO L85 PathProgramCache]: Analyzing trace with hash 512082533, now seen corresponding path program 1 times [2025-02-08 09:22:34,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:34,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773609678] [2025-02-08 09:22:34,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:34,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:34,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 09:22:34,400 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 09:22:34,400 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:34,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:34,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1174430960] [2025-02-08 09:22:34,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:34,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:34,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:34,407 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 09:22:34,414 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 09:22:34,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 09:22:34,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 09:22:34,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:34,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:34,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:22:34,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:34,528 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 09:22:34,528 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:22:34,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:34,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773609678] [2025-02-08 09:22:34,529 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:34,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174430960] [2025-02-08 09:22:34,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174430960] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:34,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:34,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:22:34,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559689891] [2025-02-08 09:22:34,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:34,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:22:34,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:34,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:22:34,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:22:34,530 INFO L87 Difference]: Start difference. First operand 132 states and 164 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 09:22:34,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:34,644 INFO L93 Difference]: Finished difference Result 152 states and 169 transitions. [2025-02-08 09:22:34,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:22:34,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 18 [2025-02-08 09:22:34,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:34,646 INFO L225 Difference]: With dead ends: 152 [2025-02-08 09:22:34,646 INFO L226 Difference]: Without dead ends: 145 [2025-02-08 09:22:34,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 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 09:22:34,647 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 178 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:34,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 142 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:22:34,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2025-02-08 09:22:34,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 129. [2025-02-08 09:22:34,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 81 states have (on average 1.654320987654321) internal successors, (134), 114 states have internal predecessors, (134), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:22:34,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 158 transitions. [2025-02-08 09:22:34,657 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 158 transitions. Word has length 18 [2025-02-08 09:22:34,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:34,657 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 158 transitions. [2025-02-08 09:22:34,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 09:22:34,657 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 158 transitions. [2025-02-08 09:22:34,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-08 09:22:34,658 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:34,658 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:34,665 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 09:22:34,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-02-08 09:22:34,862 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:34,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:34,862 INFO L85 PathProgramCache]: Analyzing trace with hash 2145709070, now seen corresponding path program 1 times [2025-02-08 09:22:34,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:34,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350314425] [2025-02-08 09:22:34,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:34,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:34,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-08 09:22:34,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-08 09:22:34,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:34,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:34,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:22:34,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:34,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350314425] [2025-02-08 09:22:34,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350314425] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:34,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:34,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:22:34,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181466121] [2025-02-08 09:22:34,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:34,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:22:34,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:34,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:22:34,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:22:34,978 INFO L87 Difference]: Start difference. First operand 129 states and 158 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:22:35,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:35,054 INFO L93 Difference]: Finished difference Result 129 states and 158 transitions. [2025-02-08 09:22:35,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:22:35,054 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2025-02-08 09:22:35,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:35,056 INFO L225 Difference]: With dead ends: 129 [2025-02-08 09:22:35,056 INFO L226 Difference]: Without dead ends: 127 [2025-02-08 09:22:35,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:22:35,057 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 149 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:35,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 243 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:22:35,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-02-08 09:22:35,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2025-02-08 09:22:35,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 81 states have (on average 1.617283950617284) internal successors, (131), 112 states have internal predecessors, (131), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:22:35,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 155 transitions. [2025-02-08 09:22:35,073 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 155 transitions. Word has length 26 [2025-02-08 09:22:35,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:35,074 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 155 transitions. [2025-02-08 09:22:35,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:22:35,074 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 155 transitions. [2025-02-08 09:22:35,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-08 09:22:35,074 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:35,074 INFO L218 NwaCegarLoop]: trace histogram [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 09:22:35,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 09:22:35,075 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:35,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:35,075 INFO L85 PathProgramCache]: Analyzing trace with hash 2092471758, now seen corresponding path program 1 times [2025-02-08 09:22:35,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:35,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441181034] [2025-02-08 09:22:35,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:35,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:35,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 09:22:35,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 09:22:35,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:35,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:35,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:22:35,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:35,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441181034] [2025-02-08 09:22:35,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441181034] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:35,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:35,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:22:35,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745917318] [2025-02-08 09:22:35,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:35,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:22:35,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:35,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:22:35,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:22:35,186 INFO L87 Difference]: Start difference. First operand 127 states and 155 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:22:35,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:35,251 INFO L93 Difference]: Finished difference Result 213 states and 251 transitions. [2025-02-08 09:22:35,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:22:35,252 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2025-02-08 09:22:35,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:35,253 INFO L225 Difference]: With dead ends: 213 [2025-02-08 09:22:35,253 INFO L226 Difference]: Without dead ends: 131 [2025-02-08 09:22:35,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:22:35,254 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 13 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:35,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 344 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:22:35,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2025-02-08 09:22:35,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2025-02-08 09:22:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 85 states have (on average 1.588235294117647) internal successors, (135), 116 states have internal predecessors, (135), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:22:35,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 159 transitions. [2025-02-08 09:22:35,266 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 159 transitions. Word has length 27 [2025-02-08 09:22:35,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:35,266 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 159 transitions. [2025-02-08 09:22:35,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:22:35,267 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 159 transitions. [2025-02-08 09:22:35,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 09:22:35,267 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:35,267 INFO L218 NwaCegarLoop]: trace histogram [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 09:22:35,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 09:22:35,268 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:35,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:35,268 INFO L85 PathProgramCache]: Analyzing trace with hash 820665740, now seen corresponding path program 1 times [2025-02-08 09:22:35,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:35,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364944477] [2025-02-08 09:22:35,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:35,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:35,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 09:22:35,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 09:22:35,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:35,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:35,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831665380] [2025-02-08 09:22:35,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:35,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:35,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:35,287 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 09:22:35,290 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 09:22:35,317 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 09:22:35,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 09:22:35,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:35,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:35,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:22:35,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:35,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:22:35,400 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:22:35,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:35,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364944477] [2025-02-08 09:22:35,401 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:35,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831665380] [2025-02-08 09:22:35,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831665380] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:35,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:35,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:22:35,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066183867] [2025-02-08 09:22:35,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:35,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:22:35,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:35,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:22:35,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:22:35,402 INFO L87 Difference]: Start difference. First operand 131 states and 159 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:22:35,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:35,569 INFO L93 Difference]: Finished difference Result 205 states and 276 transitions. [2025-02-08 09:22:35,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:22:35,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2025-02-08 09:22:35,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:35,571 INFO L225 Difference]: With dead ends: 205 [2025-02-08 09:22:35,571 INFO L226 Difference]: Without dead ends: 200 [2025-02-08 09:22:35,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 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 09:22:35,573 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 117 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:35,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 94 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:22:35,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2025-02-08 09:22:35,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 182. [2025-02-08 09:22:35,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 128 states have (on average 1.59375) internal successors, (204), 159 states have internal predecessors, (204), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:22:35,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 244 transitions. [2025-02-08 09:22:35,591 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 244 transitions. Word has length 29 [2025-02-08 09:22:35,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:35,592 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 244 transitions. [2025-02-08 09:22:35,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:22:35,593 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 244 transitions. [2025-02-08 09:22:35,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-08 09:22:35,594 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:35,594 INFO L218 NwaCegarLoop]: trace histogram [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 09:22:35,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 09:22:35,794 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 09:22:35,795 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:35,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:35,796 INFO L85 PathProgramCache]: Analyzing trace with hash -329165814, now seen corresponding path program 1 times [2025-02-08 09:22:35,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:35,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757234131] [2025-02-08 09:22:35,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:35,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:35,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 09:22:35,817 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 09:22:35,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:35,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:35,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1848746356] [2025-02-08 09:22:35,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:35,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:35,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:35,825 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 09:22:35,827 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 09:22:35,852 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 09:22:35,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 09:22:35,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:35,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:35,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:22:35,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:35,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:22:35,924 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:22:35,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:35,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757234131] [2025-02-08 09:22:35,924 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:35,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848746356] [2025-02-08 09:22:35,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848746356] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:35,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:35,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:22:35,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735190931] [2025-02-08 09:22:35,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:35,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:22:35,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:35,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:22:35,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:22:35,925 INFO L87 Difference]: Start difference. First operand 182 states and 244 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:22:36,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:36,054 INFO L93 Difference]: Finished difference Result 203 states and 267 transitions. [2025-02-08 09:22:36,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:22:36,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2025-02-08 09:22:36,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:36,056 INFO L225 Difference]: With dead ends: 203 [2025-02-08 09:22:36,056 INFO L226 Difference]: Without dead ends: 200 [2025-02-08 09:22:36,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 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 09:22:36,057 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 115 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:36,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 94 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:22:36,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2025-02-08 09:22:36,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 183. [2025-02-08 09:22:36,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 129 states have (on average 1.558139534883721) internal successors, (201), 160 states have internal predecessors, (201), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:22:36,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 241 transitions. [2025-02-08 09:22:36,073 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 241 transitions. Word has length 30 [2025-02-08 09:22:36,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:36,074 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 241 transitions. [2025-02-08 09:22:36,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:22:36,074 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 241 transitions. [2025-02-08 09:22:36,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-08 09:22:36,075 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:36,075 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:22:36,084 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 09:22:36,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-02-08 09:22:36,276 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:36,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:36,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1845954971, now seen corresponding path program 1 times [2025-02-08 09:22:36,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:36,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228736770] [2025-02-08 09:22:36,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:36,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:36,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:22:36,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:22:36,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:36,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:36,333 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:22:36,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:36,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228736770] [2025-02-08 09:22:36,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228736770] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:36,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:36,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:22:36,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940442693] [2025-02-08 09:22:36,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:36,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:22:36,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:36,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:22:36,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:22:36,336 INFO L87 Difference]: Start difference. First operand 183 states and 241 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:22:36,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:36,500 INFO L93 Difference]: Finished difference Result 218 states and 270 transitions. [2025-02-08 09:22:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:22:36,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 50 [2025-02-08 09:22:36,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:36,502 INFO L225 Difference]: With dead ends: 218 [2025-02-08 09:22:36,502 INFO L226 Difference]: Without dead ends: 216 [2025-02-08 09:22:36,502 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:22:36,502 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 133 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:36,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 87 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:22:36,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2025-02-08 09:22:36,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 185. [2025-02-08 09:22:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 131 states have (on average 1.534351145038168) internal successors, (201), 162 states have internal predecessors, (201), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:22:36,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 241 transitions. [2025-02-08 09:22:36,515 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 241 transitions. Word has length 50 [2025-02-08 09:22:36,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:36,515 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 241 transitions. [2025-02-08 09:22:36,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:22:36,515 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 241 transitions. [2025-02-08 09:22:36,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-08 09:22:36,516 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:36,516 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:22:36,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-08 09:22:36,516 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:36,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:36,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1390029246, now seen corresponding path program 1 times [2025-02-08 09:22:36,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:36,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100554741] [2025-02-08 09:22:36,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:36,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:36,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 09:22:36,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:22:36,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:36,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:36,582 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:22:36,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:36,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100554741] [2025-02-08 09:22:36,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100554741] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:36,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:36,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:22:36,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025987761] [2025-02-08 09:22:36,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:36,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:22:36,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:36,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:22:36,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:22:36,585 INFO L87 Difference]: Start difference. First operand 185 states and 241 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:22:36,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:36,762 INFO L93 Difference]: Finished difference Result 218 states and 266 transitions. [2025-02-08 09:22:36,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:22:36,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2025-02-08 09:22:36,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:36,764 INFO L225 Difference]: With dead ends: 218 [2025-02-08 09:22:36,764 INFO L226 Difference]: Without dead ends: 216 [2025-02-08 09:22:36,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:22:36,765 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 130 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:36,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 89 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:22:36,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2025-02-08 09:22:36,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 187. [2025-02-08 09:22:36,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 133 states have (on average 1.5112781954887218) internal successors, (201), 164 states have internal predecessors, (201), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:22:36,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 241 transitions. [2025-02-08 09:22:36,779 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 241 transitions. Word has length 51 [2025-02-08 09:22:36,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:36,780 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 241 transitions. [2025-02-08 09:22:36,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:22:36,780 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 241 transitions. [2025-02-08 09:22:36,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-08 09:22:36,781 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:36,781 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:22:36,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-08 09:22:36,782 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:36,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:36,782 INFO L85 PathProgramCache]: Analyzing trace with hash -83276209, now seen corresponding path program 1 times [2025-02-08 09:22:36,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:36,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399244609] [2025-02-08 09:22:36,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:36,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:36,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-08 09:22:36,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 09:22:36,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:36,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:36,841 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:22:36,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:36,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399244609] [2025-02-08 09:22:36,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399244609] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:36,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:36,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:22:36,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637712922] [2025-02-08 09:22:36,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:36,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:22:36,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:36,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:22:36,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:22:36,843 INFO L87 Difference]: Start difference. First operand 187 states and 241 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:22:36,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:36,894 INFO L93 Difference]: Finished difference Result 193 states and 241 transitions. [2025-02-08 09:22:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:22:36,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 53 [2025-02-08 09:22:36,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:36,895 INFO L225 Difference]: With dead ends: 193 [2025-02-08 09:22:36,896 INFO L226 Difference]: Without dead ends: 192 [2025-02-08 09:22:36,896 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 09:22:36,896 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 15 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:36,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 146 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:22:36,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2025-02-08 09:22:36,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 187. [2025-02-08 09:22:36,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 133 states have (on average 1.5037593984962405) internal successors, (200), 164 states have internal predecessors, (200), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:22:36,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 240 transitions. [2025-02-08 09:22:36,910 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 240 transitions. Word has length 53 [2025-02-08 09:22:36,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:36,910 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 240 transitions. [2025-02-08 09:22:36,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:22:36,910 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 240 transitions. [2025-02-08 09:22:36,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-08 09:22:36,911 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:36,911 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:22:36,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-08 09:22:36,911 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:36,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:36,912 INFO L85 PathProgramCache]: Analyzing trace with hash -83276161, now seen corresponding path program 1 times [2025-02-08 09:22:36,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:36,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492734394] [2025-02-08 09:22:36,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:36,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:36,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-08 09:22:36,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 09:22:36,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:36,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:37,032 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:22:37,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:37,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492734394] [2025-02-08 09:22:37,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492734394] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:37,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:37,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:22:37,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308831215] [2025-02-08 09:22:37,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:37,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:22:37,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:37,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:22:37,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:22:37,034 INFO L87 Difference]: Start difference. First operand 187 states and 240 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:22:37,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:37,096 INFO L93 Difference]: Finished difference Result 187 states and 240 transitions. [2025-02-08 09:22:37,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:22:37,097 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 53 [2025-02-08 09:22:37,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:37,099 INFO L225 Difference]: With dead ends: 187 [2025-02-08 09:22:37,099 INFO L226 Difference]: Without dead ends: 186 [2025-02-08 09:22:37,099 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 09:22:37,100 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 62 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:37,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 60 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:22:37,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2025-02-08 09:22:37,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2025-02-08 09:22:37,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 133 states have (on average 1.4736842105263157) internal successors, (196), 163 states have internal predecessors, (196), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:22:37,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 236 transitions. [2025-02-08 09:22:37,116 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 236 transitions. Word has length 53 [2025-02-08 09:22:37,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:37,117 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 236 transitions. [2025-02-08 09:22:37,117 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:22:37,117 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 236 transitions. [2025-02-08 09:22:37,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-08 09:22:37,118 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:37,118 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:22:37,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-08 09:22:37,119 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:37,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:37,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1713404801, now seen corresponding path program 1 times [2025-02-08 09:22:37,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:37,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95783620] [2025-02-08 09:22:37,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:37,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:37,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:22:37,129 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:22:37,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:37,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:22:37,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:37,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95783620] [2025-02-08 09:22:37,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95783620] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:37,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:37,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:22:37,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148708991] [2025-02-08 09:22:37,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:37,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:22:37,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:37,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:22:37,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:22:37,189 INFO L87 Difference]: Start difference. First operand 186 states and 236 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:22:37,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:37,301 INFO L93 Difference]: Finished difference Result 295 states and 381 transitions. [2025-02-08 09:22:37,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:22:37,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2025-02-08 09:22:37,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:37,303 INFO L225 Difference]: With dead ends: 295 [2025-02-08 09:22:37,303 INFO L226 Difference]: Without dead ends: 294 [2025-02-08 09:22:37,303 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:22:37,303 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 192 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:37,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 213 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:22:37,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2025-02-08 09:22:37,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 263. [2025-02-08 09:22:37,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 200 states have (on average 1.525) internal successors, (305), 230 states have internal predecessors, (305), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 09:22:37,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 365 transitions. [2025-02-08 09:22:37,343 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 365 transitions. Word has length 54 [2025-02-08 09:22:37,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:37,343 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 365 transitions. [2025-02-08 09:22:37,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:22:37,343 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 365 transitions. [2025-02-08 09:22:37,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-08 09:22:37,344 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:37,344 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:22:37,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-08 09:22:37,345 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:37,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:37,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1713406306, now seen corresponding path program 1 times [2025-02-08 09:22:37,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:37,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556513232] [2025-02-08 09:22:37,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:37,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:37,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:22:37,354 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:22:37,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:37,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:37,424 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:22:37,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:37,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556513232] [2025-02-08 09:22:37,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556513232] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:37,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:37,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:22:37,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078656745] [2025-02-08 09:22:37,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:37,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:22:37,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:37,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:22:37,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:22:37,427 INFO L87 Difference]: Start difference. First operand 263 states and 365 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:22:37,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:37,851 INFO L93 Difference]: Finished difference Result 370 states and 510 transitions. [2025-02-08 09:22:37,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:22:37,851 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2025-02-08 09:22:37,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:37,853 INFO L225 Difference]: With dead ends: 370 [2025-02-08 09:22:37,853 INFO L226 Difference]: Without dead ends: 369 [2025-02-08 09:22:37,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:22:37,854 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 316 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:37,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 273 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:22:37,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-02-08 09:22:37,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 333. [2025-02-08 09:22:37,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 260 states have (on average 1.5153846153846153) internal successors, (394), 290 states have internal predecessors, (394), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-08 09:22:37,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 474 transitions. [2025-02-08 09:22:37,876 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 474 transitions. Word has length 54 [2025-02-08 09:22:37,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:37,877 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 474 transitions. [2025-02-08 09:22:37,877 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:22:37,877 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 474 transitions. [2025-02-08 09:22:37,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-08 09:22:37,878 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:37,878 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:22:37,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-08 09:22:37,878 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:37,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:37,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1575941261, now seen corresponding path program 1 times [2025-02-08 09:22:37,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:37,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487449905] [2025-02-08 09:22:37,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:37,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:37,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-08 09:22:37,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:22:37,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:37,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:37,944 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:22:37,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:37,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487449905] [2025-02-08 09:22:37,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487449905] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:37,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:37,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:22:37,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053704491] [2025-02-08 09:22:37,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:37,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:22:37,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:37,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:22:37,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:22:37,947 INFO L87 Difference]: Start difference. First operand 333 states and 474 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:22:38,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:38,091 INFO L93 Difference]: Finished difference Result 360 states and 495 transitions. [2025-02-08 09:22:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:22:38,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2025-02-08 09:22:38,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:38,095 INFO L225 Difference]: With dead ends: 360 [2025-02-08 09:22:38,095 INFO L226 Difference]: Without dead ends: 358 [2025-02-08 09:22:38,095 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 09:22:38,096 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 47 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:38,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 177 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:22:38,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2025-02-08 09:22:38,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 337. [2025-02-08 09:22:38,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 264 states have (on average 1.5075757575757576) internal successors, (398), 294 states have internal predecessors, (398), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-08 09:22:38,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 478 transitions. [2025-02-08 09:22:38,138 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 478 transitions. Word has length 55 [2025-02-08 09:22:38,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:38,139 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 478 transitions. [2025-02-08 09:22:38,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:22:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 478 transitions. [2025-02-08 09:22:38,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-08 09:22:38,140 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:38,140 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:38,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-08 09:22:38,140 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:38,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:38,141 INFO L85 PathProgramCache]: Analyzing trace with hash 756002649, now seen corresponding path program 1 times [2025-02-08 09:22:38,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:38,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909702030] [2025-02-08 09:22:38,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:38,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:38,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 09:22:38,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 09:22:38,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:38,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:38,233 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:22:38,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:38,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909702030] [2025-02-08 09:22:38,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909702030] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:38,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758432810] [2025-02-08 09:22:38,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:38,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:38,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:38,236 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 09:22:38,238 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 09:22:38,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 09:22:38,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 09:22:38,279 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:38,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:38,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:22:38,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:38,380 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:22:38,380 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:38,522 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:22:38,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758432810] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:38,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:22:38,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 17 [2025-02-08 09:22:38,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565197473] [2025-02-08 09:22:38,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:38,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:22:38,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:38,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:22:38,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:22:38,523 INFO L87 Difference]: Start difference. First operand 337 states and 478 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:22:38,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:38,672 INFO L93 Difference]: Finished difference Result 372 states and 503 transitions. [2025-02-08 09:22:38,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:22:38,672 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2025-02-08 09:22:38,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:38,674 INFO L225 Difference]: With dead ends: 372 [2025-02-08 09:22:38,674 INFO L226 Difference]: Without dead ends: 370 [2025-02-08 09:22:38,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:22:38,675 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 84 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:38,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 391 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:22:38,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2025-02-08 09:22:38,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 345. [2025-02-08 09:22:38,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 270 states have (on average 1.4666666666666666) internal successors, (396), 300 states have internal predecessors, (396), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-08 09:22:38,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 476 transitions. [2025-02-08 09:22:38,696 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 476 transitions. Word has length 59 [2025-02-08 09:22:38,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:38,696 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 476 transitions. [2025-02-08 09:22:38,696 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:22:38,696 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 476 transitions. [2025-02-08 09:22:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-02-08 09:22:38,697 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:38,697 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:38,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 09:22:38,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:38,899 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:38,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:38,899 INFO L85 PathProgramCache]: Analyzing trace with hash 669074286, now seen corresponding path program 1 times [2025-02-08 09:22:38,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:38,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791620718] [2025-02-08 09:22:38,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:38,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:38,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-08 09:22:38,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-08 09:22:38,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:38,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:39,019 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:22:39,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:39,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791620718] [2025-02-08 09:22:39,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791620718] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:39,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273479718] [2025-02-08 09:22:39,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:39,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:39,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:39,022 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 09:22:39,025 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 09:22:39,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-08 09:22:39,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-08 09:22:39,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:39,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:39,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:22:39,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:39,145 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:22:39,145 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:39,275 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:22:39,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273479718] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:22:39,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:22:39,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 12 [2025-02-08 09:22:39,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493346421] [2025-02-08 09:22:39,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:39,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:22:39,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:39,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:22:39,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:22:39,278 INFO L87 Difference]: Start difference. First operand 345 states and 476 transitions. Second operand has 12 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2025-02-08 09:22:39,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:39,497 INFO L93 Difference]: Finished difference Result 636 states and 825 transitions. [2025-02-08 09:22:39,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-08 09:22:39,497 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 61 [2025-02-08 09:22:39,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:39,500 INFO L225 Difference]: With dead ends: 636 [2025-02-08 09:22:39,500 INFO L226 Difference]: Without dead ends: 477 [2025-02-08 09:22:39,502 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 116 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:22:39,503 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 106 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:39,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 542 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:22:39,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2025-02-08 09:22:39,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 432. [2025-02-08 09:22:39,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 343 states have (on average 1.434402332361516) internal successors, (492), 375 states have internal predecessors, (492), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2025-02-08 09:22:39,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 592 transitions. [2025-02-08 09:22:39,547 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 592 transitions. Word has length 61 [2025-02-08 09:22:39,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:39,548 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 592 transitions. [2025-02-08 09:22:39,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2025-02-08 09:22:39,548 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 592 transitions. [2025-02-08 09:22:39,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-08 09:22:39,549 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:39,549 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:39,557 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 09:22:39,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:39,750 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:39,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:39,750 INFO L85 PathProgramCache]: Analyzing trace with hash 381791144, now seen corresponding path program 1 times [2025-02-08 09:22:39,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:39,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025959623] [2025-02-08 09:22:39,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:39,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:39,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-08 09:22:39,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-08 09:22:39,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:39,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:39,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1861771226] [2025-02-08 09:22:39,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:39,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:39,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:39,769 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 09:22:39,772 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 09:22:39,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-08 09:22:39,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-08 09:22:39,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:39,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:39,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:22:39,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:40,154 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:22:40,154 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:22:40,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:40,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025959623] [2025-02-08 09:22:40,154 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:40,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861771226] [2025-02-08 09:22:40,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861771226] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:40,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:40,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:22:40,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163458750] [2025-02-08 09:22:40,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:40,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:22:40,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:40,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:22:40,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:22:40,156 INFO L87 Difference]: Start difference. First operand 432 states and 592 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:22:40,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:40,623 INFO L93 Difference]: Finished difference Result 625 states and 866 transitions. [2025-02-08 09:22:40,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:22:40,623 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2025-02-08 09:22:40,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:40,628 INFO L225 Difference]: With dead ends: 625 [2025-02-08 09:22:40,628 INFO L226 Difference]: Without dead ends: 616 [2025-02-08 09:22:40,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:22:40,629 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 274 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:40,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 228 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:22:40,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2025-02-08 09:22:40,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 587. [2025-02-08 09:22:40,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 478 states have (on average 1.4079497907949792) internal successors, (673), 510 states have internal predecessors, (673), 70 states have call successors, (70), 8 states have call predecessors, (70), 8 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2025-02-08 09:22:40,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 813 transitions. [2025-02-08 09:22:40,687 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 813 transitions. Word has length 68 [2025-02-08 09:22:40,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:40,687 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 813 transitions. [2025-02-08 09:22:40,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:22:40,688 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 813 transitions. [2025-02-08 09:22:40,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-02-08 09:22:40,688 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:40,688 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:40,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 09:22:40,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:40,889 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:40,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:40,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1049376381, now seen corresponding path program 1 times [2025-02-08 09:22:40,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:40,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254471581] [2025-02-08 09:22:40,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:40,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:40,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-08 09:22:40,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-08 09:22:40,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:40,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:40,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [984974326] [2025-02-08 09:22:40,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:40,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:40,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:40,907 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 09:22:40,909 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 09:22:40,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-08 09:22:40,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-08 09:22:40,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:40,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:40,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:22:40,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:41,284 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:22:41,285 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:41,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:41,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254471581] [2025-02-08 09:22:41,568 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:41,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984974326] [2025-02-08 09:22:41,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984974326] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:41,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:41,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:22:41,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836217054] [2025-02-08 09:22:41,569 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:41,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:22:41,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:41,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:22:41,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:22:41,570 INFO L87 Difference]: Start difference. First operand 587 states and 813 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:22:41,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:41,893 INFO L93 Difference]: Finished difference Result 656 states and 893 transitions. [2025-02-08 09:22:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:22:41,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 69 [2025-02-08 09:22:41,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:41,897 INFO L225 Difference]: With dead ends: 656 [2025-02-08 09:22:41,897 INFO L226 Difference]: Without dead ends: 653 [2025-02-08 09:22:41,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:22:41,903 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 228 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:41,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 222 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:22:41,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2025-02-08 09:22:41,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 618. [2025-02-08 09:22:41,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 505 states have (on average 1.4059405940594059) internal successors, (710), 536 states have internal predecessors, (710), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2025-02-08 09:22:41,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 858 transitions. [2025-02-08 09:22:41,942 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 858 transitions. Word has length 69 [2025-02-08 09:22:41,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:41,944 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 858 transitions. [2025-02-08 09:22:41,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:22:41,944 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 858 transitions. [2025-02-08 09:22:41,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-02-08 09:22:41,945 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:41,945 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:41,953 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 09:22:42,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:42,146 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:42,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:42,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1829070598, now seen corresponding path program 1 times [2025-02-08 09:22:42,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:42,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716539696] [2025-02-08 09:22:42,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:42,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:42,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-08 09:22:42,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-08 09:22:42,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:42,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:42,216 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:22:42,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:42,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716539696] [2025-02-08 09:22:42,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716539696] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:42,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:42,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:22:42,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960646589] [2025-02-08 09:22:42,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:42,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:22:42,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:42,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:22:42,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:22:42,218 INFO L87 Difference]: Start difference. First operand 618 states and 858 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:22:42,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:42,693 INFO L93 Difference]: Finished difference Result 892 states and 1262 transitions. [2025-02-08 09:22:42,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:22:42,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2025-02-08 09:22:42,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:42,700 INFO L225 Difference]: With dead ends: 892 [2025-02-08 09:22:42,700 INFO L226 Difference]: Without dead ends: 889 [2025-02-08 09:22:42,700 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:22:42,701 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 148 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:42,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 240 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:22:42,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2025-02-08 09:22:42,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 637. [2025-02-08 09:22:42,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 521 states have (on average 1.3896353166986564) internal successors, (724), 551 states have internal predecessors, (724), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2025-02-08 09:22:42,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 880 transitions. [2025-02-08 09:22:42,754 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 880 transitions. Word has length 70 [2025-02-08 09:22:42,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:42,755 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 880 transitions. [2025-02-08 09:22:42,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:22:42,755 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 880 transitions. [2025-02-08 09:22:42,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-02-08 09:22:42,755 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:42,756 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:42,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-02-08 09:22:42,756 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:42,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:42,756 INFO L85 PathProgramCache]: Analyzing trace with hash 580351158, now seen corresponding path program 1 times [2025-02-08 09:22:42,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:42,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376844462] [2025-02-08 09:22:42,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:42,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:42,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-08 09:22:42,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-08 09:22:42,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:42,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:42,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1458645959] [2025-02-08 09:22:42,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:42,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:42,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:42,771 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 09:22:42,772 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 09:22:42,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-08 09:22:42,817 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-08 09:22:42,817 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:42,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:42,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:22:42,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:43,005 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:22:43,005 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:22:43,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:43,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376844462] [2025-02-08 09:22:43,005 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:43,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458645959] [2025-02-08 09:22:43,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458645959] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:43,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:43,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:22:43,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256200927] [2025-02-08 09:22:43,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:43,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:22:43,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:43,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:22:43,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:22:43,007 INFO L87 Difference]: Start difference. First operand 637 states and 880 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:22:43,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:43,287 INFO L93 Difference]: Finished difference Result 660 states and 916 transitions. [2025-02-08 09:22:43,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:22:43,288 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2025-02-08 09:22:43,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:43,291 INFO L225 Difference]: With dead ends: 660 [2025-02-08 09:22:43,292 INFO L226 Difference]: Without dead ends: 656 [2025-02-08 09:22:43,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:22:43,293 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 119 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:43,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 224 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:22:43,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2025-02-08 09:22:43,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 633. [2025-02-08 09:22:43,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 521 states have (on average 1.36468330134357) internal successors, (711), 547 states have internal predecessors, (711), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2025-02-08 09:22:43,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 867 transitions. [2025-02-08 09:22:43,337 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 867 transitions. Word has length 70 [2025-02-08 09:22:43,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:43,338 INFO L471 AbstractCegarLoop]: Abstraction has 633 states and 867 transitions. [2025-02-08 09:22:43,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:22:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 867 transitions. [2025-02-08 09:22:43,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-08 09:22:43,339 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:43,339 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:43,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-08 09:22:43,543 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,SelfDestructingSolverStorable23 [2025-02-08 09:22:43,543 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:43,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:43,543 INFO L85 PathProgramCache]: Analyzing trace with hash 866613729, now seen corresponding path program 1 times [2025-02-08 09:22:43,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:43,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060929562] [2025-02-08 09:22:43,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:43,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:43,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 09:22:43,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 09:22:43,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:43,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:43,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [886549254] [2025-02-08 09:22:43,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:43,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:43,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:43,558 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 09:22:43,561 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 09:22:43,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 09:22:43,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 09:22:43,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:43,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:43,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:22:43,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:43,844 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:22:43,844 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:43,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:43,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060929562] [2025-02-08 09:22:43,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:43,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886549254] [2025-02-08 09:22:43,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886549254] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:43,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:43,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:22:43,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804558966] [2025-02-08 09:22:43,980 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:43,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:22:43,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:43,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:22:43,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:22:43,981 INFO L87 Difference]: Start difference. First operand 633 states and 867 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:22:44,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:44,359 INFO L93 Difference]: Finished difference Result 660 states and 883 transitions. [2025-02-08 09:22:44,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:22:44,360 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), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2025-02-08 09:22:44,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:44,363 INFO L225 Difference]: With dead ends: 660 [2025-02-08 09:22:44,363 INFO L226 Difference]: Without dead ends: 653 [2025-02-08 09:22:44,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:22:44,364 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 270 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:44,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 240 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:22:44,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2025-02-08 09:22:44,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 631. [2025-02-08 09:22:44,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 519 states have (on average 1.3583815028901733) internal successors, (705), 545 states have internal predecessors, (705), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2025-02-08 09:22:44,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 861 transitions. [2025-02-08 09:22:44,432 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 861 transitions. Word has length 71 [2025-02-08 09:22:44,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:44,433 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 861 transitions. [2025-02-08 09:22:44,433 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), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:22:44,433 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 861 transitions. [2025-02-08 09:22:44,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-08 09:22:44,434 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:44,434 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:44,442 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 09:22:44,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:44,635 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:44,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:44,636 INFO L85 PathProgramCache]: Analyzing trace with hash 811016736, now seen corresponding path program 1 times [2025-02-08 09:22:44,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:44,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663298776] [2025-02-08 09:22:44,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:44,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:44,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 09:22:44,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 09:22:44,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:44,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:44,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2060113715] [2025-02-08 09:22:44,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:44,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:44,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:44,659 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 09:22:44,661 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 09:22:44,686 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 09:22:44,704 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 09:22:44,704 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:44,704 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:44,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:22:44,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:44,867 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:22:44,867 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:44,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:44,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663298776] [2025-02-08 09:22:44,989 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:44,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060113715] [2025-02-08 09:22:44,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060113715] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:44,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:44,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:22:44,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264506493] [2025-02-08 09:22:44,989 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:44,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:22:44,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:44,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:22:44,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:22:44,990 INFO L87 Difference]: Start difference. First operand 631 states and 861 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:22:45,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:45,304 INFO L93 Difference]: Finished difference Result 999 states and 1423 transitions. [2025-02-08 09:22:45,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:22:45,305 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), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2025-02-08 09:22:45,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:45,310 INFO L225 Difference]: With dead ends: 999 [2025-02-08 09:22:45,311 INFO L226 Difference]: Without dead ends: 995 [2025-02-08 09:22:45,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:22:45,312 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 148 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:45,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 317 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:22:45,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2025-02-08 09:22:45,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 788. [2025-02-08 09:22:45,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 656 states have (on average 1.3643292682926829) internal successors, (895), 681 states have internal predecessors, (895), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2025-02-08 09:22:45,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1091 transitions. [2025-02-08 09:22:45,363 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1091 transitions. Word has length 71 [2025-02-08 09:22:45,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:45,364 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1091 transitions. [2025-02-08 09:22:45,364 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), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:22:45,364 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1091 transitions. [2025-02-08 09:22:45,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-08 09:22:45,364 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:45,365 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:45,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-08 09:22:45,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:45,566 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:45,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:45,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1948310907, now seen corresponding path program 1 times [2025-02-08 09:22:45,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:45,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420931571] [2025-02-08 09:22:45,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:45,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:45,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 09:22:45,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:22:45,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:45,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:45,635 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 09:22:45,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:45,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420931571] [2025-02-08 09:22:45,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420931571] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:45,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879829990] [2025-02-08 09:22:45,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:45,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:45,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:45,639 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 09:22:45,641 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 09:22:45,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 09:22:45,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:22:45,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:45,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:45,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:22:45,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:45,746 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 09:22:45,746 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 09:22:45,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879829990] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:22:45,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:22:45,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-02-08 09:22:45,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43791886] [2025-02-08 09:22:45,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:45,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:22:45,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:45,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:22:45,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:22:45,883 INFO L87 Difference]: Start difference. First operand 788 states and 1091 transitions. Second operand has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2025-02-08 09:22:46,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:46,349 INFO L93 Difference]: Finished difference Result 1320 states and 1884 transitions. [2025-02-08 09:22:46,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:22:46,349 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 91 [2025-02-08 09:22:46,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:46,355 INFO L225 Difference]: With dead ends: 1320 [2025-02-08 09:22:46,355 INFO L226 Difference]: Without dead ends: 1318 [2025-02-08 09:22:46,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:22:46,356 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 432 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:46,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 343 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:22:46,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2025-02-08 09:22:46,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1033. [2025-02-08 09:22:46,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 860 states have (on average 1.3709302325581396) internal successors, (1179), 884 states have internal predecessors, (1179), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2025-02-08 09:22:46,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1459 transitions. [2025-02-08 09:22:46,430 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1459 transitions. Word has length 91 [2025-02-08 09:22:46,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:46,431 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1459 transitions. [2025-02-08 09:22:46,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2025-02-08 09:22:46,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1459 transitions. [2025-02-08 09:22:46,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-02-08 09:22:46,432 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:46,432 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:46,440 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 09:22:46,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-08 09:22:46,633 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:46,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:46,633 INFO L85 PathProgramCache]: Analyzing trace with hash 268095980, now seen corresponding path program 1 times [2025-02-08 09:22:46,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:46,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206385892] [2025-02-08 09:22:46,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:46,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:46,639 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-02-08 09:22:46,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-02-08 09:22:46,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:46,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:46,708 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 09:22:46,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:46,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206385892] [2025-02-08 09:22:46,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206385892] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:46,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226698401] [2025-02-08 09:22:46,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:46,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:46,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:46,711 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 09:22:46,714 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 09:22:46,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-02-08 09:22:46,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-02-08 09:22:46,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:46,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:46,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:22:46,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:46,825 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 09:22:46,825 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:46,953 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 09:22:46,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226698401] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:22:46,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:22:46,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2025-02-08 09:22:46,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391605190] [2025-02-08 09:22:46,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:46,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:22:46,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:46,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:22:46,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:22:46,954 INFO L87 Difference]: Start difference. First operand 1033 states and 1459 transitions. Second operand has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-02-08 09:22:47,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:47,608 INFO L93 Difference]: Finished difference Result 1350 states and 1891 transitions. [2025-02-08 09:22:47,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 09:22:47,609 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 92 [2025-02-08 09:22:47,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:47,614 INFO L225 Difference]: With dead ends: 1350 [2025-02-08 09:22:47,614 INFO L226 Difference]: Without dead ends: 1348 [2025-02-08 09:22:47,614 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:22:47,615 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 861 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:47,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 490 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:22:47,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2025-02-08 09:22:47,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1037. [2025-02-08 09:22:47,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 865 states have (on average 1.3329479768786128) internal successors, (1153), 888 states have internal predecessors, (1153), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2025-02-08 09:22:47,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1433 transitions. [2025-02-08 09:22:47,685 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1433 transitions. Word has length 92 [2025-02-08 09:22:47,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:47,686 INFO L471 AbstractCegarLoop]: Abstraction has 1037 states and 1433 transitions. [2025-02-08 09:22:47,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-02-08 09:22:47,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1433 transitions. [2025-02-08 09:22:47,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-08 09:22:47,686 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:47,687 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:47,694 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 09:22:47,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-08 09:22:47,887 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:47,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:47,888 INFO L85 PathProgramCache]: Analyzing trace with hash -57800839, now seen corresponding path program 1 times [2025-02-08 09:22:47,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:47,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274033943] [2025-02-08 09:22:47,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:47,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:47,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-08 09:22:47,898 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-08 09:22:47,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:47,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:47,941 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 09:22:47,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:47,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274033943] [2025-02-08 09:22:47,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274033943] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:47,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:47,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:22:47,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656015036] [2025-02-08 09:22:47,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:47,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:22:47,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:47,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:22:47,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:22:47,943 INFO L87 Difference]: Start difference. First operand 1037 states and 1433 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-08 09:22:48,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:48,048 INFO L93 Difference]: Finished difference Result 1037 states and 1433 transitions. [2025-02-08 09:22:48,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:22:48,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 94 [2025-02-08 09:22:48,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:48,053 INFO L225 Difference]: With dead ends: 1037 [2025-02-08 09:22:48,053 INFO L226 Difference]: Without dead ends: 1036 [2025-02-08 09:22:48,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:22:48,054 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 20 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:48,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 149 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:22:48,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2025-02-08 09:22:48,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1036. [2025-02-08 09:22:48,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 865 states have (on average 1.322543352601156) internal successors, (1144), 887 states have internal predecessors, (1144), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2025-02-08 09:22:48,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1424 transitions. [2025-02-08 09:22:48,133 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1424 transitions. Word has length 94 [2025-02-08 09:22:48,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:48,134 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1424 transitions. [2025-02-08 09:22:48,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-08 09:22:48,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1424 transitions. [2025-02-08 09:22:48,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-08 09:22:48,135 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:48,135 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:48,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-02-08 09:22:48,136 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:48,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:48,137 INFO L85 PathProgramCache]: Analyzing trace with hash 287968055, now seen corresponding path program 1 times [2025-02-08 09:22:48,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:48,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729686319] [2025-02-08 09:22:48,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:48,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:48,145 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-08 09:22:48,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-08 09:22:48,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:48,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:48,220 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 09:22:48,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:48,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729686319] [2025-02-08 09:22:48,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729686319] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:48,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949596196] [2025-02-08 09:22:48,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:48,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:48,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:48,224 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 09:22:48,226 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 09:22:48,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-08 09:22:48,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-08 09:22:48,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:48,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:48,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:22:48,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:48,422 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 09:22:48,422 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:22:48,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949596196] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:48,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:48,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-02-08 09:22:48,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276187896] [2025-02-08 09:22:48,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:48,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:22:48,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:48,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:22:48,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:22:48,424 INFO L87 Difference]: Start difference. First operand 1036 states and 1424 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-08 09:22:48,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:48,611 INFO L93 Difference]: Finished difference Result 1054 states and 1455 transitions. [2025-02-08 09:22:48,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:22:48,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 96 [2025-02-08 09:22:48,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:48,615 INFO L225 Difference]: With dead ends: 1054 [2025-02-08 09:22:48,616 INFO L226 Difference]: Without dead ends: 1053 [2025-02-08 09:22:48,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:22:48,616 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 65 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:48,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 147 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:22:48,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2025-02-08 09:22:48,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 1035. [2025-02-08 09:22:48,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 865 states have (on average 1.3144508670520232) internal successors, (1137), 886 states have internal predecessors, (1137), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2025-02-08 09:22:48,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1417 transitions. [2025-02-08 09:22:48,683 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1417 transitions. Word has length 96 [2025-02-08 09:22:48,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:48,683 INFO L471 AbstractCegarLoop]: Abstraction has 1035 states and 1417 transitions. [2025-02-08 09:22:48,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-08 09:22:48,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1417 transitions. [2025-02-08 09:22:48,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-02-08 09:22:48,684 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:48,684 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:48,692 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 09:22:48,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:48,885 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:48,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:48,885 INFO L85 PathProgramCache]: Analyzing trace with hash 337075093, now seen corresponding path program 1 times [2025-02-08 09:22:48,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:48,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034722243] [2025-02-08 09:22:48,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:48,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:48,890 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-08 09:22:48,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-08 09:22:48,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:48,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:48,979 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 09:22:48,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:48,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034722243] [2025-02-08 09:22:48,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034722243] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:48,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392226583] [2025-02-08 09:22:48,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:48,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:48,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:48,983 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 09:22:48,985 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 09:22:49,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-08 09:22:49,032 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-08 09:22:49,032 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:49,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:49,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:22:49,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 09:22:49,181 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:49,304 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 09:22:49,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392226583] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:22:49,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:22:49,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-02-08 09:22:49,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895565965] [2025-02-08 09:22:49,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:49,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:22:49,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:49,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:22:49,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:22:49,307 INFO L87 Difference]: Start difference. First operand 1035 states and 1417 transitions. Second operand has 11 states, 10 states have (on average 15.5) internal successors, (155), 11 states have internal predecessors, (155), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-02-08 09:22:49,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:49,763 INFO L93 Difference]: Finished difference Result 1430 states and 1977 transitions. [2025-02-08 09:22:49,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:22:49,764 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 15.5) internal successors, (155), 11 states have internal predecessors, (155), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 97 [2025-02-08 09:22:49,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:49,770 INFO L225 Difference]: With dead ends: 1430 [2025-02-08 09:22:49,770 INFO L226 Difference]: Without dead ends: 1428 [2025-02-08 09:22:49,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:22:49,771 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 364 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:49,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 313 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:22:49,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2025-02-08 09:22:49,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1185. [2025-02-08 09:22:49,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 997 states have (on average 1.312938816449348) internal successors, (1309), 1018 states have internal predecessors, (1309), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2025-02-08 09:22:49,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1625 transitions. [2025-02-08 09:22:49,855 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1625 transitions. Word has length 97 [2025-02-08 09:22:49,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:49,857 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1625 transitions. [2025-02-08 09:22:49,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 15.5) internal successors, (155), 11 states have internal predecessors, (155), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-02-08 09:22:49,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1625 transitions. [2025-02-08 09:22:49,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-08 09:22:49,861 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:49,861 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:49,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-08 09:22:50,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:50,062 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:50,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:50,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1136842018, now seen corresponding path program 1 times [2025-02-08 09:22:50,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:50,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748316436] [2025-02-08 09:22:50,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:50,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:50,068 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-08 09:22:50,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-08 09:22:50,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:50,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:50,177 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-08 09:22:50,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:50,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748316436] [2025-02-08 09:22:50,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748316436] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:50,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005088799] [2025-02-08 09:22:50,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:50,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:50,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:50,181 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 09:22:50,183 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 09:22:50,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-08 09:22:50,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-08 09:22:50,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:50,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:50,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:22:50,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:50,382 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-08 09:22:50,383 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:50,615 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-08 09:22:50,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005088799] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:22:50,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:22:50,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2025-02-08 09:22:50,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071962904] [2025-02-08 09:22:50,615 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:50,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:22:50,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:50,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:22:50,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:22:50,617 INFO L87 Difference]: Start difference. First operand 1185 states and 1625 transitions. Second operand has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2025-02-08 09:22:51,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:51,185 INFO L93 Difference]: Finished difference Result 1230 states and 1673 transitions. [2025-02-08 09:22:51,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:22:51,186 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 107 [2025-02-08 09:22:51,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:51,191 INFO L225 Difference]: With dead ends: 1230 [2025-02-08 09:22:51,191 INFO L226 Difference]: Without dead ends: 1229 [2025-02-08 09:22:51,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 208 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:22:51,194 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 431 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:51,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 407 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:22:51,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2025-02-08 09:22:51,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1114. [2025-02-08 09:22:51,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 937 states have (on average 1.3094983991462112) internal successors, (1227), 957 states have internal predecessors, (1227), 148 states have call successors, (148), 8 states have call predecessors, (148), 8 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2025-02-08 09:22:51,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1523 transitions. [2025-02-08 09:22:51,277 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1523 transitions. Word has length 107 [2025-02-08 09:22:51,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:51,277 INFO L471 AbstractCegarLoop]: Abstraction has 1114 states and 1523 transitions. [2025-02-08 09:22:51,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2025-02-08 09:22:51,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1523 transitions. [2025-02-08 09:22:51,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-02-08 09:22:51,279 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:51,279 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:51,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-08 09:22:51,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:51,480 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:51,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:51,481 INFO L85 PathProgramCache]: Analyzing trace with hash -939378370, now seen corresponding path program 1 times [2025-02-08 09:22:51,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:51,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542787312] [2025-02-08 09:22:51,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:51,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:51,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-02-08 09:22:51,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-02-08 09:22:51,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:51,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:51,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [890066923] [2025-02-08 09:22:51,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:51,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:51,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:51,502 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 09:22:51,504 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 09:22:51,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-02-08 09:22:51,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-02-08 09:22:51,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:51,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:51,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:22:51,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-08 09:22:52,076 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:52,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:52,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542787312] [2025-02-08 09:22:52,226 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:52,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890066923] [2025-02-08 09:22:52,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890066923] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:52,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:52,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-08 09:22:52,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558559499] [2025-02-08 09:22:52,227 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:52,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:22:52,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:52,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:22:52,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:22:52,228 INFO L87 Difference]: Start difference. First operand 1114 states and 1523 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-08 09:22:52,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:52,969 INFO L93 Difference]: Finished difference Result 2137 states and 2989 transitions. [2025-02-08 09:22:52,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 09:22:52,969 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 109 [2025-02-08 09:22:52,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:52,978 INFO L225 Difference]: With dead ends: 2137 [2025-02-08 09:22:52,978 INFO L226 Difference]: Without dead ends: 2134 [2025-02-08 09:22:52,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:22:52,979 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 261 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:52,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 377 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:22:52,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2025-02-08 09:22:53,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 1170. [2025-02-08 09:22:53,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 984 states have (on average 1.3089430894308942) internal successors, (1288), 1004 states have internal predecessors, (1288), 157 states have call successors, (157), 8 states have call predecessors, (157), 8 states have return successors, (157), 157 states have call predecessors, (157), 157 states have call successors, (157) [2025-02-08 09:22:53,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1602 transitions. [2025-02-08 09:22:53,094 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1602 transitions. Word has length 109 [2025-02-08 09:22:53,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:53,094 INFO L471 AbstractCegarLoop]: Abstraction has 1170 states and 1602 transitions. [2025-02-08 09:22:53,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-08 09:22:53,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1602 transitions. [2025-02-08 09:22:53,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-02-08 09:22:53,095 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:53,096 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:53,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-02-08 09:22:53,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:53,297 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:53,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:53,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1955201778, now seen corresponding path program 1 times [2025-02-08 09:22:53,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:53,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687762890] [2025-02-08 09:22:53,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:53,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:53,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-02-08 09:22:53,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-02-08 09:22:53,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:53,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:53,411 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-08 09:22:53,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:53,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687762890] [2025-02-08 09:22:53,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687762890] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:53,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135421972] [2025-02-08 09:22:53,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:53,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:53,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:53,414 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 09:22:53,416 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 09:22:53,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-02-08 09:22:53,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-02-08 09:22:53,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:53,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:53,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:22:53,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:53,649 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 159 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-02-08 09:22:53,649 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:53,818 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-08 09:22:53,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135421972] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:22:53,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:22:53,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 23 [2025-02-08 09:22:53,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053007587] [2025-02-08 09:22:53,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:53,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-08 09:22:53,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:53,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-08 09:22:53,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:22:53,820 INFO L87 Difference]: Start difference. First operand 1170 states and 1602 transitions. Second operand has 24 states, 23 states have (on average 8.0) internal successors, (184), 24 states have internal predecessors, (184), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2025-02-08 09:22:54,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:54,399 INFO L93 Difference]: Finished difference Result 1899 states and 2515 transitions. [2025-02-08 09:22:54,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-02-08 09:22:54,400 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.0) internal successors, (184), 24 states have internal predecessors, (184), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 109 [2025-02-08 09:22:54,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:54,405 INFO L225 Difference]: With dead ends: 1899 [2025-02-08 09:22:54,406 INFO L226 Difference]: Without dead ends: 1637 [2025-02-08 09:22:54,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=630, Invalid=1920, Unknown=0, NotChecked=0, Total=2550 [2025-02-08 09:22:54,407 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 544 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:54,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [544 Valid, 789 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:22:54,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2025-02-08 09:22:54,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1440. [2025-02-08 09:22:54,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1440 states, 1215 states have (on average 1.288888888888889) internal successors, (1566), 1235 states have internal predecessors, (1566), 190 states have call successors, (190), 14 states have call predecessors, (190), 14 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2025-02-08 09:22:54,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 1946 transitions. [2025-02-08 09:22:54,514 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 1946 transitions. Word has length 109 [2025-02-08 09:22:54,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:54,514 INFO L471 AbstractCegarLoop]: Abstraction has 1440 states and 1946 transitions. [2025-02-08 09:22:54,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.0) internal successors, (184), 24 states have internal predecessors, (184), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2025-02-08 09:22:54,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1946 transitions. [2025-02-08 09:22:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-02-08 09:22:54,515 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:54,515 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:54,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-08 09:22:54,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:54,716 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:54,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:54,716 INFO L85 PathProgramCache]: Analyzing trace with hash 944041645, now seen corresponding path program 1 times [2025-02-08 09:22:54,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:54,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416353509] [2025-02-08 09:22:54,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:54,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:54,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-08 09:22:54,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-08 09:22:54,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:54,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:54,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1870318579] [2025-02-08 09:22:54,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:54,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:54,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:54,732 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 09:22:54,733 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 09:22:54,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-08 09:22:54,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-08 09:22:54,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:54,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:54,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:22:54,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:55,212 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-08 09:22:55,212 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:55,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:55,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416353509] [2025-02-08 09:22:55,516 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:55,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870318579] [2025-02-08 09:22:55,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870318579] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:55,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:55,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-08 09:22:55,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312558901] [2025-02-08 09:22:55,517 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:55,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:22:55,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:55,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:22:55,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:22:55,518 INFO L87 Difference]: Start difference. First operand 1440 states and 1946 transitions. Second operand has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-08 09:22:56,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:56,022 INFO L93 Difference]: Finished difference Result 1586 states and 2133 transitions. [2025-02-08 09:22:56,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:22:56,023 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 110 [2025-02-08 09:22:56,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:56,029 INFO L225 Difference]: With dead ends: 1586 [2025-02-08 09:22:56,029 INFO L226 Difference]: Without dead ends: 1583 [2025-02-08 09:22:56,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:22:56,030 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 88 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:56,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 432 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:22:56,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2025-02-08 09:22:56,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1554. [2025-02-08 09:22:56,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 1312 states have (on average 1.2873475609756098) internal successors, (1689), 1332 states have internal predecessors, (1689), 207 states have call successors, (207), 14 states have call predecessors, (207), 14 states have return successors, (207), 207 states have call predecessors, (207), 207 states have call successors, (207) [2025-02-08 09:22:56,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 2103 transitions. [2025-02-08 09:22:56,144 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 2103 transitions. Word has length 110 [2025-02-08 09:22:56,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:56,145 INFO L471 AbstractCegarLoop]: Abstraction has 1554 states and 2103 transitions. [2025-02-08 09:22:56,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-08 09:22:56,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 2103 transitions. [2025-02-08 09:22:56,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-02-08 09:22:56,146 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:56,147 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:56,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-08 09:22:56,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-08 09:22:56,347 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:56,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:56,348 INFO L85 PathProgramCache]: Analyzing trace with hash -799480036, now seen corresponding path program 1 times [2025-02-08 09:22:56,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:56,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676911495] [2025-02-08 09:22:56,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:56,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:56,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-02-08 09:22:56,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-02-08 09:22:56,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:56,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:56,425 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-08 09:22:56,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:56,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676911495] [2025-02-08 09:22:56,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676911495] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:56,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:56,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:22:56,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485010608] [2025-02-08 09:22:56,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:56,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:22:56,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:56,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:22:56,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:22:56,427 INFO L87 Difference]: Start difference. First operand 1554 states and 2103 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:22:56,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:56,842 INFO L93 Difference]: Finished difference Result 1561 states and 2106 transitions. [2025-02-08 09:22:56,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:22:56,843 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 111 [2025-02-08 09:22:56,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:56,848 INFO L225 Difference]: With dead ends: 1561 [2025-02-08 09:22:56,849 INFO L226 Difference]: Without dead ends: 1559 [2025-02-08 09:22:56,849 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:22:56,850 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 105 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:56,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 221 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:22:56,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2025-02-08 09:22:56,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 1520. [2025-02-08 09:22:56,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1520 states, 1284 states have (on average 1.2788161993769471) internal successors, (1642), 1302 states have internal predecessors, (1642), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2025-02-08 09:22:56,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1520 states and 2048 transitions. [2025-02-08 09:22:56,956 INFO L78 Accepts]: Start accepts. Automaton has 1520 states and 2048 transitions. Word has length 111 [2025-02-08 09:22:56,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:56,956 INFO L471 AbstractCegarLoop]: Abstraction has 1520 states and 2048 transitions. [2025-02-08 09:22:56,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:22:56,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 2048 transitions. [2025-02-08 09:22:56,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-02-08 09:22:56,957 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:56,957 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:56,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-02-08 09:22:56,957 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:56,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:56,958 INFO L85 PathProgramCache]: Analyzing trace with hash 985922699, now seen corresponding path program 1 times [2025-02-08 09:22:56,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:56,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511719683] [2025-02-08 09:22:56,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:56,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:56,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-02-08 09:22:56,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 09:22:56,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:56,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:56,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1444561627] [2025-02-08 09:22:56,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:56,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:56,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:56,980 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 09:22:56,981 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 09:22:57,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-02-08 09:22:57,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 09:22:57,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:57,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:57,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:22:57,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:57,440 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-08 09:22:57,440 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:57,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:57,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511719683] [2025-02-08 09:22:57,757 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:57,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444561627] [2025-02-08 09:22:57,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444561627] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:57,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:57,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:22:57,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279243597] [2025-02-08 09:22:57,758 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:57,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:22:57,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:57,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:22:57,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:22:57,760 INFO L87 Difference]: Start difference. First operand 1520 states and 2048 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:22:58,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:58,312 INFO L93 Difference]: Finished difference Result 1542 states and 2060 transitions. [2025-02-08 09:22:58,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:22:58,313 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 112 [2025-02-08 09:22:58,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:58,318 INFO L225 Difference]: With dead ends: 1542 [2025-02-08 09:22:58,318 INFO L226 Difference]: Without dead ends: 1535 [2025-02-08 09:22:58,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:22:58,319 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 212 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:58,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 318 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:22:58,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2025-02-08 09:22:58,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 1386. [2025-02-08 09:22:58,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1386 states, 1170 states have (on average 1.276068376068376) internal successors, (1493), 1189 states have internal predecessors, (1493), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2025-02-08 09:22:58,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 1859 transitions. [2025-02-08 09:22:58,416 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 1859 transitions. Word has length 112 [2025-02-08 09:22:58,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:58,417 INFO L471 AbstractCegarLoop]: Abstraction has 1386 states and 1859 transitions. [2025-02-08 09:22:58,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:22:58,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1859 transitions. [2025-02-08 09:22:58,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-02-08 09:22:58,418 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:58,418 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:58,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-08 09:22:58,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-08 09:22:58,623 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:22:58,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:58,623 INFO L85 PathProgramCache]: Analyzing trace with hash 930325706, now seen corresponding path program 2 times [2025-02-08 09:22:58,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:58,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097062056] [2025-02-08 09:22:58,623 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:22:58,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:58,629 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-02-08 09:22:58,644 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 09:22:58,644 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:22:58,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:58,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [124114447] [2025-02-08 09:22:58,645 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:22:58,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:58,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:58,647 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 09:22:58,649 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 09:22:58,678 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-02-08 09:22:58,704 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 09:22:58,704 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:22:58,704 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:58,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:22:58,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:59,152 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-02-08 09:22:59,152 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:59,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:59,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097062056] [2025-02-08 09:22:59,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:59,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124114447] [2025-02-08 09:22:59,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124114447] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:59,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:59,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:22:59,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475824762] [2025-02-08 09:22:59,275 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:59,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:22:59,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:59,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:22:59,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:22:59,276 INFO L87 Difference]: Start difference. First operand 1386 states and 1859 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-08 09:22:59,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:59,834 INFO L93 Difference]: Finished difference Result 1788 states and 2399 transitions. [2025-02-08 09:22:59,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:22:59,835 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 112 [2025-02-08 09:22:59,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:59,841 INFO L225 Difference]: With dead ends: 1788 [2025-02-08 09:22:59,844 INFO L226 Difference]: Without dead ends: 1785 [2025-02-08 09:22:59,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:22:59,845 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 210 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:59,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 419 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:22:59,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1785 states. [2025-02-08 09:22:59,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1785 to 1386. [2025-02-08 09:22:59,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1386 states, 1170 states have (on average 1.2735042735042734) internal successors, (1490), 1189 states have internal predecessors, (1490), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2025-02-08 09:22:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 1856 transitions. [2025-02-08 09:22:59,945 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 1856 transitions. Word has length 112 [2025-02-08 09:22:59,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:59,946 INFO L471 AbstractCegarLoop]: Abstraction has 1386 states and 1856 transitions. [2025-02-08 09:22:59,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-08 09:22:59,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1856 transitions. [2025-02-08 09:22:59,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-02-08 09:22:59,947 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:59,947 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 09:22:59,955 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 09:23:00,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-02-08 09:23:00,152 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:23:00,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:00,152 INFO L85 PathProgramCache]: Analyzing trace with hash 2113370247, now seen corresponding path program 2 times [2025-02-08 09:23:00,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:00,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499219976] [2025-02-08 09:23:00,152 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:23:00,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:00,160 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 122 statements into 2 equivalence classes. [2025-02-08 09:23:00,168 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 122 of 122 statements. [2025-02-08 09:23:00,170 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:23:00,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:00,229 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:23:00,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:00,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499219976] [2025-02-08 09:23:00,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499219976] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:23:00,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:23:00,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:23:00,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827678355] [2025-02-08 09:23:00,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:23:00,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:23:00,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:00,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:23:00,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:23:00,233 INFO L87 Difference]: Start difference. First operand 1386 states and 1856 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-02-08 09:23:00,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:00,604 INFO L93 Difference]: Finished difference Result 2417 states and 3290 transitions. [2025-02-08 09:23:00,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:23:00,605 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 122 [2025-02-08 09:23:00,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:00,610 INFO L225 Difference]: With dead ends: 2417 [2025-02-08 09:23:00,610 INFO L226 Difference]: Without dead ends: 1423 [2025-02-08 09:23:00,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:23:00,613 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 52 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:00,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 174 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:23:00,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2025-02-08 09:23:00,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 1356. [2025-02-08 09:23:00,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1356 states, 1144 states have (on average 1.2858391608391608) internal successors, (1471), 1162 states have internal predecessors, (1471), 181 states have call successors, (181), 12 states have call predecessors, (181), 12 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2025-02-08 09:23:00,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 1833 transitions. [2025-02-08 09:23:00,704 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 1833 transitions. Word has length 122 [2025-02-08 09:23:00,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:00,705 INFO L471 AbstractCegarLoop]: Abstraction has 1356 states and 1833 transitions. [2025-02-08 09:23:00,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-02-08 09:23:00,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1833 transitions. [2025-02-08 09:23:00,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-02-08 09:23:00,706 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:00,706 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:00,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-02-08 09:23:00,706 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:23:00,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:00,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1299479503, now seen corresponding path program 1 times [2025-02-08 09:23:00,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:00,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189402737] [2025-02-08 09:23:00,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:00,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:00,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-08 09:23:00,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-08 09:23:00,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:00,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:00,866 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:23:00,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:00,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189402737] [2025-02-08 09:23:00,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189402737] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:00,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280588475] [2025-02-08 09:23:00,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:00,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:00,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:00,869 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 09:23:00,871 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 09:23:00,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-08 09:23:00,925 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-08 09:23:00,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:00,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:00,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:23:00,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:01,048 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 213 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-08 09:23:01,048 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:23:01,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280588475] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:23:01,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:23:01,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 12 [2025-02-08 09:23:01,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048679632] [2025-02-08 09:23:01,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:01,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:23:01,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:01,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:23:01,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:23:01,198 INFO L87 Difference]: Start difference. First operand 1356 states and 1833 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 4 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-02-08 09:23:01,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:01,376 INFO L93 Difference]: Finished difference Result 1612 states and 2154 transitions. [2025-02-08 09:23:01,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-08 09:23:01,377 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 4 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 124 [2025-02-08 09:23:01,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:01,380 INFO L225 Difference]: With dead ends: 1612 [2025-02-08 09:23:01,380 INFO L226 Difference]: Without dead ends: 1356 [2025-02-08 09:23:01,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 238 SyntacticMatches, 10 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:23:01,381 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 44 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:01,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 416 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:23:01,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2025-02-08 09:23:01,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1356. [2025-02-08 09:23:01,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1356 states, 1143 states have (on average 1.284339457567804) internal successors, (1468), 1161 states have internal predecessors, (1468), 181 states have call successors, (181), 13 states have call predecessors, (181), 13 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2025-02-08 09:23:01,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 1830 transitions. [2025-02-08 09:23:01,482 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 1830 transitions. Word has length 124 [2025-02-08 09:23:01,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:01,482 INFO L471 AbstractCegarLoop]: Abstraction has 1356 states and 1830 transitions. [2025-02-08 09:23:01,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 4 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-02-08 09:23:01,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1830 transitions. [2025-02-08 09:23:01,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-02-08 09:23:01,483 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:01,484 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 09:23:01,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-08 09:23:01,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-02-08 09:23:01,684 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:23:01,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:01,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1247811225, now seen corresponding path program 1 times [2025-02-08 09:23:01,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:01,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628333434] [2025-02-08 09:23:01,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:01,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:01,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-02-08 09:23:01,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-02-08 09:23:01,696 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:01,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:01,830 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:23:01,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:01,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628333434] [2025-02-08 09:23:01,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628333434] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:01,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298443722] [2025-02-08 09:23:01,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:01,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:01,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:01,833 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:23:01,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-08 09:23:01,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-02-08 09:23:01,891 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-02-08 09:23:01,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:01,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:01,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:23:01,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:02,120 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 3 proven. 305 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:23:02,120 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:02,326 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 3 proven. 57 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:23:02,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298443722] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:23:02,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:23:02,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 29 [2025-02-08 09:23:02,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766986926] [2025-02-08 09:23:02,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:02,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-02-08 09:23:02,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:02,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-02-08 09:23:02,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=682, Unknown=0, NotChecked=0, Total=870 [2025-02-08 09:23:02,327 INFO L87 Difference]: Start difference. First operand 1356 states and 1830 transitions. Second operand has 30 states, 29 states have (on average 8.206896551724139) internal successors, (238), 30 states have internal predecessors, (238), 12 states have call successors, (39), 5 states have call predecessors, (39), 5 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-02-08 09:23:03,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:03,039 INFO L93 Difference]: Finished difference Result 1766 states and 2314 transitions. [2025-02-08 09:23:03,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-02-08 09:23:03,039 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.206896551724139) internal successors, (238), 30 states have internal predecessors, (238), 12 states have call successors, (39), 5 states have call predecessors, (39), 5 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 141 [2025-02-08 09:23:03,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:03,042 INFO L225 Difference]: With dead ends: 1766 [2025-02-08 09:23:03,042 INFO L226 Difference]: Without dead ends: 1758 [2025-02-08 09:23:03,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=873, Invalid=2909, Unknown=0, NotChecked=0, Total=3782 [2025-02-08 09:23:03,043 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 475 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:03,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 904 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:23:03,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2025-02-08 09:23:03,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 1486. [2025-02-08 09:23:03,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1248 states have (on average 1.2932692307692308) internal successors, (1614), 1272 states have internal predecessors, (1614), 205 states have call successors, (205), 14 states have call predecessors, (205), 14 states have return successors, (205), 199 states have call predecessors, (205), 205 states have call successors, (205) [2025-02-08 09:23:03,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 2024 transitions. [2025-02-08 09:23:03,134 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 2024 transitions. Word has length 141 [2025-02-08 09:23:03,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:03,134 INFO L471 AbstractCegarLoop]: Abstraction has 1486 states and 2024 transitions. [2025-02-08 09:23:03,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.206896551724139) internal successors, (238), 30 states have internal predecessors, (238), 12 states have call successors, (39), 5 states have call predecessors, (39), 5 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-02-08 09:23:03,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 2024 transitions. [2025-02-08 09:23:03,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-02-08 09:23:03,135 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:03,135 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:03,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-02-08 09:23:03,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2025-02-08 09:23:03,336 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:23:03,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:03,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1840157592, now seen corresponding path program 2 times [2025-02-08 09:23:03,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:03,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323611015] [2025-02-08 09:23:03,337 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:23:03,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:03,341 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 150 statements into 2 equivalence classes. [2025-02-08 09:23:03,353 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 150 of 150 statements. [2025-02-08 09:23:03,353 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:23:03,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:23:03,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2036708579] [2025-02-08 09:23:03,353 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:23:03,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:03,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:03,357 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:23:03,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-08 09:23:03,396 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 150 statements into 2 equivalence classes. [2025-02-08 09:23:03,425 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 150 of 150 statements. [2025-02-08 09:23:03,425 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:23:03,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:03,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:23:03,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:03,865 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-08 09:23:03,866 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:23:03,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:03,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323611015] [2025-02-08 09:23:03,866 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:23:03,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036708579] [2025-02-08 09:23:03,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036708579] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:23:03,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:23:03,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-08 09:23:03,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823946591] [2025-02-08 09:23:03,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:23:03,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:23:03,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:03,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:23:03,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:23:03,867 INFO L87 Difference]: Start difference. First operand 1486 states and 2024 transitions. Second operand has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2025-02-08 09:23:04,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:04,337 INFO L93 Difference]: Finished difference Result 2007 states and 2772 transitions. [2025-02-08 09:23:04,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:23:04,338 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 150 [2025-02-08 09:23:04,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:04,342 INFO L225 Difference]: With dead ends: 2007 [2025-02-08 09:23:04,342 INFO L226 Difference]: Without dead ends: 2004 [2025-02-08 09:23:04,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:23:04,343 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 175 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:04,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 545 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:23:04,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2025-02-08 09:23:04,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1041. [2025-02-08 09:23:04,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 868 states have (on average 1.2511520737327189) internal successors, (1086), 887 states have internal predecessors, (1086), 143 states have call successors, (143), 14 states have call predecessors, (143), 14 states have return successors, (143), 139 states have call predecessors, (143), 143 states have call successors, (143) [2025-02-08 09:23:04,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1372 transitions. [2025-02-08 09:23:04,433 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1372 transitions. Word has length 150 [2025-02-08 09:23:04,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:04,433 INFO L471 AbstractCegarLoop]: Abstraction has 1041 states and 1372 transitions. [2025-02-08 09:23:04,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2025-02-08 09:23:04,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1372 transitions. [2025-02-08 09:23:04,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-02-08 09:23:04,434 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:04,434 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:04,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-08 09:23:04,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:04,635 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:23:04,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:04,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1210310461, now seen corresponding path program 2 times [2025-02-08 09:23:04,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:04,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685682115] [2025-02-08 09:23:04,635 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:23:04,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:04,639 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 151 statements into 2 equivalence classes. [2025-02-08 09:23:04,648 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 151 of 151 statements. [2025-02-08 09:23:04,649 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:23:04,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:23:04,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2012502993] [2025-02-08 09:23:04,649 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:23:04,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:04,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:04,652 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:23:04,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-08 09:23:04,686 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 151 statements into 2 equivalence classes. [2025-02-08 09:23:04,716 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 151 of 151 statements. [2025-02-08 09:23:04,717 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:23:04,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:04,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-08 09:23:04,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:10,390 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 39 proven. 66 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-02-08 09:23:10,391 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:10,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:10,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685682115] [2025-02-08 09:23:10,715 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:23:10,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012502993] [2025-02-08 09:23:10,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012502993] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:10,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:23:10,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2025-02-08 09:23:10,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229465321] [2025-02-08 09:23:10,716 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:10,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:23:10,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:10,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:23:10,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=315, Unknown=1, NotChecked=0, Total=420 [2025-02-08 09:23:10,717 INFO L87 Difference]: Start difference. First operand 1041 states and 1372 transitions. Second operand has 16 states, 15 states have (on average 5.8) internal successors, (87), 16 states have internal predecessors, (87), 7 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2025-02-08 09:23:16,027 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 09:23:16,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:16,264 INFO L93 Difference]: Finished difference Result 1203 states and 1591 transitions. [2025-02-08 09:23:16,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-08 09:23:16,265 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.8) internal successors, (87), 16 states have internal predecessors, (87), 7 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 151 [2025-02-08 09:23:16,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:16,268 INFO L225 Difference]: With dead ends: 1203 [2025-02-08 09:23:16,268 INFO L226 Difference]: Without dead ends: 1200 [2025-02-08 09:23:16,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=153, Invalid=446, Unknown=1, NotChecked=0, Total=600 [2025-02-08 09:23:16,268 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 182 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:16,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 571 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1137 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2025-02-08 09:23:16,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2025-02-08 09:23:16,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1173. [2025-02-08 09:23:16,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 979 states have (on average 1.2563840653728293) internal successors, (1230), 999 states have internal predecessors, (1230), 164 states have call successors, (164), 14 states have call predecessors, (164), 14 states have return successors, (164), 159 states have call predecessors, (164), 164 states have call successors, (164) [2025-02-08 09:23:16,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1558 transitions. [2025-02-08 09:23:16,355 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1558 transitions. Word has length 151 [2025-02-08 09:23:16,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:16,355 INFO L471 AbstractCegarLoop]: Abstraction has 1173 states and 1558 transitions. [2025-02-08 09:23:16,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.8) internal successors, (87), 16 states have internal predecessors, (87), 7 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2025-02-08 09:23:16,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1558 transitions. [2025-02-08 09:23:16,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-02-08 09:23:16,356 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:16,356 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:16,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-08 09:23:16,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2025-02-08 09:23:16,559 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:23:16,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:16,560 INFO L85 PathProgramCache]: Analyzing trace with hash 827785505, now seen corresponding path program 2 times [2025-02-08 09:23:16,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:16,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600541306] [2025-02-08 09:23:16,560 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:23:16,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:16,566 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 153 statements into 2 equivalence classes. [2025-02-08 09:23:16,581 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 153 of 153 statements. [2025-02-08 09:23:16,585 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:23:16,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:23:16,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [303509294] [2025-02-08 09:23:16,586 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:23:16,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:16,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:16,588 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:23:16,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-08 09:23:16,623 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 153 statements into 2 equivalence classes. [2025-02-08 09:23:16,656 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 153 of 153 statements. [2025-02-08 09:23:16,656 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:23:16,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:16,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:23:16,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:17,120 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-08 09:23:17,120 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:17,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:17,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600541306] [2025-02-08 09:23:17,772 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:23:17,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303509294] [2025-02-08 09:23:17,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303509294] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:17,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:23:17,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:23:17,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540181988] [2025-02-08 09:23:17,772 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:17,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:23:17,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:17,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:23:17,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:23:17,773 INFO L87 Difference]: Start difference. First operand 1173 states and 1558 transitions. Second operand has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-02-08 09:23:18,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:18,418 INFO L93 Difference]: Finished difference Result 1202 states and 1577 transitions. [2025-02-08 09:23:18,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:23:18,418 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 153 [2025-02-08 09:23:18,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:18,421 INFO L225 Difference]: With dead ends: 1202 [2025-02-08 09:23:18,421 INFO L226 Difference]: Without dead ends: 1195 [2025-02-08 09:23:18,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:23:18,422 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 97 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:18,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 358 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:23:18,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2025-02-08 09:23:18,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 1004. [2025-02-08 09:23:18,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 838 states have (on average 1.2482100238663485) internal successors, (1046), 857 states have internal predecessors, (1046), 136 states have call successors, (136), 14 states have call predecessors, (136), 14 states have return successors, (136), 132 states have call predecessors, (136), 136 states have call successors, (136) [2025-02-08 09:23:18,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1318 transitions. [2025-02-08 09:23:18,504 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1318 transitions. Word has length 153 [2025-02-08 09:23:18,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:18,504 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1318 transitions. [2025-02-08 09:23:18,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-02-08 09:23:18,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1318 transitions. [2025-02-08 09:23:18,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-02-08 09:23:18,505 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:18,505 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:18,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-02-08 09:23:18,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:18,707 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:23:18,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:18,707 INFO L85 PathProgramCache]: Analyzing trace with hash 772188512, now seen corresponding path program 3 times [2025-02-08 09:23:18,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:18,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654408652] [2025-02-08 09:23:18,707 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:23:18,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:18,713 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 153 statements into 13 equivalence classes. [2025-02-08 09:23:18,740 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 153 of 153 statements. [2025-02-08 09:23:18,744 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-02-08 09:23:18,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:23:18,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1083323253] [2025-02-08 09:23:18,745 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:23:18,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:18,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:18,747 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:23:18,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-08 09:23:18,779 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 153 statements into 13 equivalence classes. [2025-02-08 09:23:18,792 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 36 of 153 statements. [2025-02-08 09:23:18,792 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-08 09:23:18,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:18,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:23:18,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:19,185 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 45 proven. 26 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2025-02-08 09:23:19,185 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:19,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:19,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654408652] [2025-02-08 09:23:19,374 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:23:19,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083323253] [2025-02-08 09:23:19,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083323253] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:19,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:23:19,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-08 09:23:19,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178659129] [2025-02-08 09:23:19,375 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:19,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:23:19,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:19,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:23:19,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:23:19,376 INFO L87 Difference]: Start difference. First operand 1004 states and 1318 transitions. Second operand has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:23:19,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:19,998 INFO L93 Difference]: Finished difference Result 1217 states and 1595 transitions. [2025-02-08 09:23:19,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:23:19,998 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 153 [2025-02-08 09:23:19,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:20,001 INFO L225 Difference]: With dead ends: 1217 [2025-02-08 09:23:20,001 INFO L226 Difference]: Without dead ends: 1213 [2025-02-08 09:23:20,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:23:20,002 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 297 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:20,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 398 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:23:20,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2025-02-08 09:23:20,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1002. [2025-02-08 09:23:20,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 836 states have (on average 1.2260765550239234) internal successors, (1025), 855 states have internal predecessors, (1025), 136 states have call successors, (136), 14 states have call predecessors, (136), 14 states have return successors, (136), 132 states have call predecessors, (136), 136 states have call successors, (136) [2025-02-08 09:23:20,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1297 transitions. [2025-02-08 09:23:20,072 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1297 transitions. Word has length 153 [2025-02-08 09:23:20,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:20,073 INFO L471 AbstractCegarLoop]: Abstraction has 1002 states and 1297 transitions. [2025-02-08 09:23:20,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:23:20,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1297 transitions. [2025-02-08 09:23:20,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-02-08 09:23:20,073 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:20,073 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:20,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-02-08 09:23:20,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:20,274 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:23:20,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:20,274 INFO L85 PathProgramCache]: Analyzing trace with hash 772188257, now seen corresponding path program 1 times [2025-02-08 09:23:20,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:20,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585230714] [2025-02-08 09:23:20,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:20,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:20,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-02-08 09:23:20,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-02-08 09:23:20,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:20,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:20,454 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-08 09:23:20,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:20,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585230714] [2025-02-08 09:23:20,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585230714] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:20,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685649910] [2025-02-08 09:23:20,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:20,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:20,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:20,458 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:23:20,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-08 09:23:20,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-02-08 09:23:20,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-02-08 09:23:20,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:20,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:20,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:23:20,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:20,717 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2025-02-08 09:23:20,718 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:20,897 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-08 09:23:20,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685649910] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:23:20,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:23:20,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 12 [2025-02-08 09:23:20,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528222719] [2025-02-08 09:23:20,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:20,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:23:20,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:20,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:23:20,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:23:20,898 INFO L87 Difference]: Start difference. First operand 1002 states and 1297 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 states have internal predecessors, (98), 4 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2025-02-08 09:23:21,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:21,096 INFO L93 Difference]: Finished difference Result 1280 states and 1652 transitions. [2025-02-08 09:23:21,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:23:21,096 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 states have internal predecessors, (98), 4 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 153 [2025-02-08 09:23:21,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:21,099 INFO L225 Difference]: With dead ends: 1280 [2025-02-08 09:23:21,099 INFO L226 Difference]: Without dead ends: 1002 [2025-02-08 09:23:21,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 296 SyntacticMatches, 10 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:23:21,101 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 40 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:21,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 493 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:23:21,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2025-02-08 09:23:21,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 1002. [2025-02-08 09:23:21,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 836 states have (on average 1.2248803827751196) internal successors, (1024), 855 states have internal predecessors, (1024), 136 states have call successors, (136), 14 states have call predecessors, (136), 14 states have return successors, (136), 132 states have call predecessors, (136), 136 states have call successors, (136) [2025-02-08 09:23:21,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1296 transitions. [2025-02-08 09:23:21,199 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1296 transitions. Word has length 153 [2025-02-08 09:23:21,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:21,200 INFO L471 AbstractCegarLoop]: Abstraction has 1002 states and 1296 transitions. [2025-02-08 09:23:21,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 states have internal predecessors, (98), 4 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2025-02-08 09:23:21,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1296 transitions. [2025-02-08 09:23:21,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-02-08 09:23:21,201 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:21,201 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:21,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-02-08 09:23:21,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-02-08 09:23:21,402 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:23:21,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:21,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1802716000, now seen corresponding path program 1 times [2025-02-08 09:23:21,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:21,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37939341] [2025-02-08 09:23:21,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:21,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:21,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-02-08 09:23:21,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-02-08 09:23:21,419 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:21,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:23:21,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [556812852] [2025-02-08 09:23:21,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:21,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:21,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:21,423 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:23:21,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-08 09:23:21,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-02-08 09:23:21,494 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-02-08 09:23:21,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:21,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:21,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:23:21,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:22,038 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-08 09:23:22,038 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:22,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:22,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37939341] [2025-02-08 09:23:22,195 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:23:22,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556812852] [2025-02-08 09:23:22,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556812852] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:22,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:23:22,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:23:22,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050684094] [2025-02-08 09:23:22,196 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:22,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:23:22,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:22,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:23:22,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:23:22,197 INFO L87 Difference]: Start difference. First operand 1002 states and 1296 transitions. Second operand has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2025-02-08 09:23:22,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:22,717 INFO L93 Difference]: Finished difference Result 1232 states and 1592 transitions. [2025-02-08 09:23:22,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:23:22,717 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 156 [2025-02-08 09:23:22,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:22,720 INFO L225 Difference]: With dead ends: 1232 [2025-02-08 09:23:22,720 INFO L226 Difference]: Without dead ends: 1230 [2025-02-08 09:23:22,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:23:22,721 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 148 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:22,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 303 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:23:22,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2025-02-08 09:23:22,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1033. [2025-02-08 09:23:22,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 862 states have (on average 1.2215777262180973) internal successors, (1053), 881 states have internal predecessors, (1053), 141 states have call successors, (141), 14 states have call predecessors, (141), 14 states have return successors, (141), 137 states have call predecessors, (141), 141 states have call successors, (141) [2025-02-08 09:23:22,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1335 transitions. [2025-02-08 09:23:22,821 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1335 transitions. Word has length 156 [2025-02-08 09:23:22,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:22,822 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1335 transitions. [2025-02-08 09:23:22,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2025-02-08 09:23:22,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1335 transitions. [2025-02-08 09:23:22,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-02-08 09:23:22,823 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:22,823 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-08 09:23:22,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-02-08 09:23:23,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-02-08 09:23:23,024 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:23:23,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:23,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1538254878, now seen corresponding path program 1 times [2025-02-08 09:23:23,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:23,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786967811] [2025-02-08 09:23:23,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:23,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:23,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-02-08 09:23:23,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-02-08 09:23:23,061 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:23,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:23:23,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1424372653] [2025-02-08 09:23:23,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:23,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:23,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:23,064 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:23:23,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-08 09:23:23,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-02-08 09:23:23,128 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-02-08 09:23:23,128 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:23,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:23,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:23:23,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:23,741 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-08 09:23:23,741 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:28,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:28,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786967811] [2025-02-08 09:23:28,055 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:23:28,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424372653] [2025-02-08 09:23:28,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424372653] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:28,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:23:28,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:23:28,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005936816] [2025-02-08 09:23:28,055 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:28,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:23:28,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:28,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:23:28,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=247, Unknown=1, NotChecked=0, Total=306 [2025-02-08 09:23:28,056 INFO L87 Difference]: Start difference. First operand 1033 states and 1335 transitions. Second operand has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 states have internal predecessors, (91), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-02-08 09:23:28,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:28,690 INFO L93 Difference]: Finished difference Result 1214 states and 1570 transitions. [2025-02-08 09:23:28,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:23:28,690 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 states have internal predecessors, (91), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 158 [2025-02-08 09:23:28,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:28,694 INFO L225 Difference]: With dead ends: 1214 [2025-02-08 09:23:28,694 INFO L226 Difference]: Without dead ends: 1191 [2025-02-08 09:23:28,695 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 276 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=122, Invalid=579, Unknown=1, NotChecked=0, Total=702 [2025-02-08 09:23:28,696 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 290 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:28,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 455 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:23:28,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2025-02-08 09:23:28,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1014. [2025-02-08 09:23:28,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 845 states have (on average 1.2224852071005916) internal successors, (1033), 864 states have internal predecessors, (1033), 139 states have call successors, (139), 14 states have call predecessors, (139), 14 states have return successors, (139), 135 states have call predecessors, (139), 139 states have call successors, (139) [2025-02-08 09:23:28,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1311 transitions. [2025-02-08 09:23:28,802 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1311 transitions. Word has length 158 [2025-02-08 09:23:28,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:28,802 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1311 transitions. [2025-02-08 09:23:28,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 states have internal predecessors, (91), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-02-08 09:23:28,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1311 transitions. [2025-02-08 09:23:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2025-02-08 09:23:28,803 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:28,803 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:28,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-02-08 09:23:29,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-02-08 09:23:29,003 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:23:29,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:29,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1503523515, now seen corresponding path program 2 times [2025-02-08 09:23:29,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:29,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48936838] [2025-02-08 09:23:29,004 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:23:29,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:29,009 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 165 statements into 2 equivalence classes. [2025-02-08 09:23:29,016 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 165 of 165 statements. [2025-02-08 09:23:29,016 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:23:29,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:29,127 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 13 proven. 71 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-02-08 09:23:29,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:29,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48936838] [2025-02-08 09:23:29,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48936838] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:29,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829062949] [2025-02-08 09:23:29,128 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:23:29,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:29,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:29,130 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:23:29,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-02-08 09:23:29,166 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 165 statements into 2 equivalence classes. [2025-02-08 09:23:29,200 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 165 of 165 statements. [2025-02-08 09:23:29,200 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:23:29,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:29,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:23:29,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:29,334 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 13 proven. 71 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-02-08 09:23:29,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:29,577 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 13 proven. 71 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-02-08 09:23:29,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829062949] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:23:29,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:23:29,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2025-02-08 09:23:29,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815918630] [2025-02-08 09:23:29,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:29,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:23:29,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:29,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:23:29,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:23:29,579 INFO L87 Difference]: Start difference. First operand 1014 states and 1311 transitions. Second operand has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 9 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28) [2025-02-08 09:23:31,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:31,447 INFO L93 Difference]: Finished difference Result 2355 states and 3141 transitions. [2025-02-08 09:23:31,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-08 09:23:31,448 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 9 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28) Word has length 165 [2025-02-08 09:23:31,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:31,452 INFO L225 Difference]: With dead ends: 2355 [2025-02-08 09:23:31,452 INFO L226 Difference]: Without dead ends: 1674 [2025-02-08 09:23:31,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=274, Invalid=986, Unknown=0, NotChecked=0, Total=1260 [2025-02-08 09:23:31,454 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 458 mSDsluCounter, 1117 mSDsCounter, 0 mSdLazyCounter, 2199 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 2269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 2199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:31,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 1255 Invalid, 2269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 2199 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-08 09:23:31,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2025-02-08 09:23:31,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1443. [2025-02-08 09:23:31,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1443 states, 1210 states have (on average 1.2661157024793388) internal successors, (1532), 1231 states have internal predecessors, (1532), 204 states have call successors, (204), 13 states have call predecessors, (204), 13 states have return successors, (204), 198 states have call predecessors, (204), 204 states have call successors, (204) [2025-02-08 09:23:31,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 1940 transitions. [2025-02-08 09:23:31,629 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 1940 transitions. Word has length 165 [2025-02-08 09:23:31,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:31,629 INFO L471 AbstractCegarLoop]: Abstraction has 1443 states and 1940 transitions. [2025-02-08 09:23:31,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 9 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28) [2025-02-08 09:23:31,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1940 transitions. [2025-02-08 09:23:31,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2025-02-08 09:23:31,630 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:31,630 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:31,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-02-08 09:23:31,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:31,831 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:23:31,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:31,832 INFO L85 PathProgramCache]: Analyzing trace with hash 830363591, now seen corresponding path program 3 times [2025-02-08 09:23:31,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:31,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456726923] [2025-02-08 09:23:31,832 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:23:31,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:31,838 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 165 statements into 14 equivalence classes. [2025-02-08 09:23:31,842 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 48 of 165 statements. [2025-02-08 09:23:31,844 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-08 09:23:31,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:31,904 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2025-02-08 09:23:31,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:31,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456726923] [2025-02-08 09:23:31,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456726923] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:31,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953658070] [2025-02-08 09:23:31,905 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:23:31,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:31,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:31,907 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:23:31,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-02-08 09:23:31,944 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 165 statements into 14 equivalence classes. [2025-02-08 09:23:31,957 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 48 of 165 statements. [2025-02-08 09:23:31,957 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-08 09:23:31,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:31,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:23:31,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:32,391 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 13 proven. 14 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2025-02-08 09:23:32,392 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:32,643 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2025-02-08 09:23:32,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953658070] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:23:32,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:23:32,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2025-02-08 09:23:32,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233350669] [2025-02-08 09:23:32,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:32,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-08 09:23:32,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:32,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-08 09:23:32,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:23:32,644 INFO L87 Difference]: Start difference. First operand 1443 states and 1940 transitions. Second operand has 17 states, 16 states have (on average 10.875) internal successors, (174), 17 states have internal predecessors, (174), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2025-02-08 09:23:33,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:33,684 INFO L93 Difference]: Finished difference Result 1865 states and 2498 transitions. [2025-02-08 09:23:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-02-08 09:23:33,685 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 10.875) internal successors, (174), 17 states have internal predecessors, (174), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 165 [2025-02-08 09:23:33,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:33,689 INFO L225 Difference]: With dead ends: 1865 [2025-02-08 09:23:33,689 INFO L226 Difference]: Without dead ends: 1864 [2025-02-08 09:23:33,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=438, Invalid=894, Unknown=0, NotChecked=0, Total=1332 [2025-02-08 09:23:33,690 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 748 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:33,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 498 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:23:33,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2025-02-08 09:23:33,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1263. [2025-02-08 09:23:33,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1263 states, 1060 states have (on average 1.2547169811320755) internal successors, (1330), 1080 states have internal predecessors, (1330), 174 states have call successors, (174), 13 states have call predecessors, (174), 13 states have return successors, (174), 169 states have call predecessors, (174), 174 states have call successors, (174) [2025-02-08 09:23:33,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1678 transitions. [2025-02-08 09:23:33,817 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1678 transitions. Word has length 165 [2025-02-08 09:23:33,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:33,818 INFO L471 AbstractCegarLoop]: Abstraction has 1263 states and 1678 transitions. [2025-02-08 09:23:33,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 10.875) internal successors, (174), 17 states have internal predecessors, (174), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2025-02-08 09:23:33,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1678 transitions. [2025-02-08 09:23:33,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-02-08 09:23:33,818 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:33,818 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:33,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-02-08 09:23:34,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-02-08 09:23:34,019 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:23:34,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:34,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1287610496, now seen corresponding path program 1 times [2025-02-08 09:23:34,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:34,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295744198] [2025-02-08 09:23:34,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:34,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:34,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-08 09:23:34,040 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-08 09:23:34,041 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:34,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:23:34,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1966203447] [2025-02-08 09:23:34,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:34,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:34,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:34,044 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:23:34,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-02-08 09:23:34,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-08 09:23:34,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-08 09:23:34,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:34,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:34,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:23:34,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:34,798 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-02-08 09:23:34,798 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:34,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:34,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295744198] [2025-02-08 09:23:34,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:23:34,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966203447] [2025-02-08 09:23:34,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966203447] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:34,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:23:34,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-02-08 09:23:34,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498280370] [2025-02-08 09:23:34,999 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:34,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:23:34,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:35,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:23:35,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:23:35,000 INFO L87 Difference]: Start difference. First operand 1263 states and 1678 transitions. Second operand has 14 states, 13 states have (on average 7.769230769230769) internal successors, (101), 14 states have internal predecessors, (101), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-02-08 09:23:35,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:35,790 INFO L93 Difference]: Finished difference Result 1529 states and 2037 transitions. [2025-02-08 09:23:35,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 09:23:35,791 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.769230769230769) internal successors, (101), 14 states have internal predecessors, (101), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 173 [2025-02-08 09:23:35,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:35,795 INFO L225 Difference]: With dead ends: 1529 [2025-02-08 09:23:35,796 INFO L226 Difference]: Without dead ends: 1526 [2025-02-08 09:23:35,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:23:35,797 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 176 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 957 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:35,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 431 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 957 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:23:35,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1526 states. [2025-02-08 09:23:35,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1526 to 1466. [2025-02-08 09:23:35,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1466 states, 1231 states have (on average 1.257514216084484) internal successors, (1548), 1252 states have internal predecessors, (1548), 206 states have call successors, (206), 13 states have call predecessors, (206), 13 states have return successors, (206), 200 states have call predecessors, (206), 206 states have call successors, (206) [2025-02-08 09:23:35,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 1960 transitions. [2025-02-08 09:23:35,987 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 1960 transitions. Word has length 173 [2025-02-08 09:23:35,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:35,987 INFO L471 AbstractCegarLoop]: Abstraction has 1466 states and 1960 transitions. [2025-02-08 09:23:35,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.769230769230769) internal successors, (101), 14 states have internal predecessors, (101), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-02-08 09:23:35,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1960 transitions. [2025-02-08 09:23:35,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-02-08 09:23:35,989 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:35,989 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:35,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-02-08 09:23:36,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:36,194 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:23:36,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:36,195 INFO L85 PathProgramCache]: Analyzing trace with hash 443104574, now seen corresponding path program 1 times [2025-02-08 09:23:36,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:36,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478147547] [2025-02-08 09:23:36,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:36,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:36,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-02-08 09:23:36,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-02-08 09:23:36,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:36,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:23:36,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [269691548] [2025-02-08 09:23:36,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:36,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:36,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:36,225 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:23:36,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-02-08 09:23:36,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-02-08 09:23:36,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-02-08 09:23:36,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:36,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:36,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-08 09:23:36,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:36,930 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-02-08 09:23:36,931 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:41,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:41,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478147547] [2025-02-08 09:23:41,298 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:23:41,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269691548] [2025-02-08 09:23:41,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269691548] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:41,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:23:41,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-02-08 09:23:41,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007608123] [2025-02-08 09:23:41,298 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:41,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:23:41,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:41,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:23:41,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=380, Unknown=1, NotChecked=0, Total=462 [2025-02-08 09:23:41,299 INFO L87 Difference]: Start difference. First operand 1466 states and 1960 transitions. Second operand has 14 states, 13 states have (on average 7.923076923076923) internal successors, (103), 14 states have internal predecessors, (103), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-02-08 09:23:42,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:42,232 INFO L93 Difference]: Finished difference Result 1507 states and 1997 transitions. [2025-02-08 09:23:42,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:23:42,232 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.923076923076923) internal successors, (103), 14 states have internal predecessors, (103), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 175 [2025-02-08 09:23:42,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:42,235 INFO L225 Difference]: With dead ends: 1507 [2025-02-08 09:23:42,235 INFO L226 Difference]: Without dead ends: 1483 [2025-02-08 09:23:42,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 306 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=170, Invalid=885, Unknown=1, NotChecked=0, Total=1056 [2025-02-08 09:23:42,236 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 416 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:42,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 604 Invalid, 1177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:23:42,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2025-02-08 09:23:42,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1447. [2025-02-08 09:23:42,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1447 states, 1214 states have (on average 1.2504118616144975) internal successors, (1518), 1235 states have internal predecessors, (1518), 204 states have call successors, (204), 13 states have call predecessors, (204), 13 states have return successors, (204), 198 states have call predecessors, (204), 204 states have call successors, (204) [2025-02-08 09:23:42,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1447 states and 1926 transitions. [2025-02-08 09:23:42,417 INFO L78 Accepts]: Start accepts. Automaton has 1447 states and 1926 transitions. Word has length 175 [2025-02-08 09:23:42,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:42,417 INFO L471 AbstractCegarLoop]: Abstraction has 1447 states and 1926 transitions. [2025-02-08 09:23:42,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.923076923076923) internal successors, (103), 14 states have internal predecessors, (103), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-02-08 09:23:42,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 1926 transitions. [2025-02-08 09:23:42,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2025-02-08 09:23:42,419 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:42,419 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:42,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-02-08 09:23:42,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:42,619 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:23:42,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:42,620 INFO L85 PathProgramCache]: Analyzing trace with hash 701605776, now seen corresponding path program 2 times [2025-02-08 09:23:42,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:42,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582933969] [2025-02-08 09:23:42,620 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:23:42,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:42,625 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 185 statements into 2 equivalence classes. [2025-02-08 09:23:42,641 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 185 of 185 statements. [2025-02-08 09:23:42,644 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:23:42,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:23:42,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1264594581] [2025-02-08 09:23:42,646 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:23:42,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:42,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:42,653 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:23:42,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-02-08 09:23:42,683 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 185 statements into 2 equivalence classes. [2025-02-08 09:23:42,711 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 185 of 185 statements. [2025-02-08 09:23:42,712 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:23:42,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:42,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:23:42,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:43,303 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 0 proven. 127 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:23:43,303 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:43,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:43,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582933969] [2025-02-08 09:23:43,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:23:43,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264594581] [2025-02-08 09:23:43,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264594581] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:43,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:23:43,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:23:43,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368196461] [2025-02-08 09:23:43,422 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:43,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:23:43,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:43,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:23:43,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:23:43,423 INFO L87 Difference]: Start difference. First operand 1447 states and 1926 transitions. Second operand has 11 states, 10 states have (on average 10.3) internal successors, (103), 11 states have internal predecessors, (103), 6 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2025-02-08 09:23:43,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:43,801 INFO L93 Difference]: Finished difference Result 1678 states and 2239 transitions. [2025-02-08 09:23:43,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:23:43,802 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.3) internal successors, (103), 11 states have internal predecessors, (103), 6 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) Word has length 185 [2025-02-08 09:23:43,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:43,806 INFO L225 Difference]: With dead ends: 1678 [2025-02-08 09:23:43,806 INFO L226 Difference]: Without dead ends: 1675 [2025-02-08 09:23:43,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:23:43,807 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 195 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:43,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 264 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:23:43,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2025-02-08 09:23:44,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1637. [2025-02-08 09:23:44,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1637 states, 1374 states have (on average 1.2540029112081514) internal successors, (1723), 1396 states have internal predecessors, (1723), 234 states have call successors, (234), 13 states have call predecessors, (234), 13 states have return successors, (234), 227 states have call predecessors, (234), 234 states have call successors, (234) [2025-02-08 09:23:44,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2191 transitions. [2025-02-08 09:23:44,013 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2191 transitions. Word has length 185 [2025-02-08 09:23:44,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:44,014 INFO L471 AbstractCegarLoop]: Abstraction has 1637 states and 2191 transitions. [2025-02-08 09:23:44,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.3) internal successors, (103), 11 states have internal predecessors, (103), 6 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2025-02-08 09:23:44,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2191 transitions. [2025-02-08 09:23:44,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2025-02-08 09:23:44,015 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:44,015 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:44,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-02-08 09:23:44,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:44,216 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-08 09:23:44,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:44,217 INFO L85 PathProgramCache]: Analyzing trace with hash -66715570, now seen corresponding path program 2 times [2025-02-08 09:23:44,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:44,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168452154] [2025-02-08 09:23:44,217 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:23:44,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:44,225 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 187 statements into 2 equivalence classes. [2025-02-08 09:23:44,238 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 187 of 187 statements. [2025-02-08 09:23:44,238 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:23:44,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:23:44,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1938035947] [2025-02-08 09:23:44,239 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:23:44,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:44,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:44,242 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:23:44,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-02-08 09:23:44,277 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 187 statements into 2 equivalence classes. [2025-02-08 09:23:44,311 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 187 of 187 statements. [2025-02-08 09:23:44,311 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:23:44,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:44,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-02-08 09:23:44,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:45,039 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 0 proven. 127 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:23:45,040 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:53,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:53,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168452154] [2025-02-08 09:23:53,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:23:53,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938035947] [2025-02-08 09:23:53,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938035947] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:53,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:23:53,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-08 09:23:53,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409222958] [2025-02-08 09:23:53,980 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:53,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:23:53,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:53,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:23:53,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=410, Unknown=2, NotChecked=0, Total=506 [2025-02-08 09:23:53,980 INFO L87 Difference]: Start difference. First operand 1637 states and 2191 transitions. Second operand has 13 states, 12 states have (on average 8.75) internal successors, (105), 13 states have internal predecessors, (105), 5 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17)