./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc 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/cohencu-ll_valuebound50.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 0bcbcb4a55258889434b8bf703da9ec6fb29d07a2fbacad968a5ab15e005b314 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:53:29,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:53:29,810 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:53:29,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:53:29,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:53:29,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:53:29,843 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:53:29,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:53:29,843 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:53:29,843 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:53:29,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:53:29,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:53:29,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:53:29,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:53:29,845 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:53:29,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:53:29,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:53:29,845 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:53:29,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:53:29,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:53:29,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:53:29,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:53:29,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:53:29,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:53:29,846 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:53:29,846 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:53:29,847 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:53:29,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:53:29,847 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:53:29,847 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:53:29,847 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:53:29,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:53:29,847 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:53:29,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:53:29,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:53:29,848 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:53:29,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:53:29,848 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:53:29,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:53:29,848 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:53:29,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:53:29,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:53:29,848 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:53:29,848 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:53:29,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:53:29,849 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 -> 0bcbcb4a55258889434b8bf703da9ec6fb29d07a2fbacad968a5ab15e005b314 [2025-02-06 13:53:30,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:53:30,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:53:30,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:53:30,055 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:53:30,055 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:53:30,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c [2025-02-06 13:53:31,250 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7fe28f654/49e7d2016a9046d78883bb6b0c5fbca2/FLAG3929a674d [2025-02-06 13:53:31,453 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:53:31,459 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c [2025-02-06 13:53:31,466 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7fe28f654/49e7d2016a9046d78883bb6b0c5fbca2/FLAG3929a674d [2025-02-06 13:53:31,814 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7fe28f654/49e7d2016a9046d78883bb6b0c5fbca2 [2025-02-06 13:53:31,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:53:31,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:53:31,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:53:31,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:53:31,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:53:31,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:53:31" (1/1) ... [2025-02-06 13:53:31,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f99ca09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:31, skipping insertion in model container [2025-02-06 13:53:31,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:53:31" (1/1) ... [2025-02-06 13:53:31,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:53:31,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:53:31,962 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:53:31,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:53:31,984 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:53:31,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:31 WrapperNode [2025-02-06 13:53:31,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:53:31,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:53:31,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:53:31,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:53:31,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:31" (1/1) ... [2025-02-06 13:53:31,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:31" (1/1) ... [2025-02-06 13:53:32,007 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 189 [2025-02-06 13:53:32,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:53:32,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:53:32,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:53:32,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:53:32,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:31" (1/1) ... [2025-02-06 13:53:32,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:31" (1/1) ... [2025-02-06 13:53:32,015 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:31" (1/1) ... [2025-02-06 13:53:32,022 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]. [2025-02-06 13:53:32,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:31" (1/1) ... [2025-02-06 13:53:32,022 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:31" (1/1) ... [2025-02-06 13:53:32,024 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:31" (1/1) ... [2025-02-06 13:53:32,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:31" (1/1) ... [2025-02-06 13:53:32,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:31" (1/1) ... [2025-02-06 13:53:32,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:31" (1/1) ... [2025-02-06 13:53:32,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:53:32,028 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:53:32,028 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:53:32,028 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:53:32,029 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:31" (1/1) ... [2025-02-06 13:53:32,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:53:32,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:32,050 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) [2025-02-06 13:53:32,055 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 [2025-02-06 13:53:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:53:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:53:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:53:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:53:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 13:53:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 13:53:32,100 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:53:32,101 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:53:32,582 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2025-02-06 13:53:32,582 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:53:32,597 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:53:32,598 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:53:32,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:53:32 BoogieIcfgContainer [2025-02-06 13:53:32,599 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:53:32,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:53:32,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:53:32,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:53:32,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:53:31" (1/3) ... [2025-02-06 13:53:32,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a300f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:53:32, skipping insertion in model container [2025-02-06 13:53:32,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:31" (2/3) ... [2025-02-06 13:53:32,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a300f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:53:32, skipping insertion in model container [2025-02-06 13:53:32,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:53:32" (3/3) ... [2025-02-06 13:53:32,606 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound50.c [2025-02-06 13:53:32,616 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:53:32,617 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu-ll_valuebound50.c that has 2 procedures, 303 locations, 1 initial locations, 1 loop locations, and 138 error locations. [2025-02-06 13:53:32,659 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:53:32,667 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;@59b4a672, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:53:32,667 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2025-02-06 13:53:32,670 INFO L276 IsEmpty]: Start isEmpty. Operand has 303 states, 152 states have (on average 1.9342105263157894) internal successors, (294), 290 states have internal predecessors, (294), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-06 13:53:32,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 13:53:32,674 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:32,674 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 13:53:32,675 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:32,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:32,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1112422046, now seen corresponding path program 1 times [2025-02-06 13:53:32,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:32,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735051398] [2025-02-06 13:53:32,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:32,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:32,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 13:53:32,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 13:53:32,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:32,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:32,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:53:32,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:32,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735051398] [2025-02-06 13:53:32,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735051398] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:32,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:32,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:32,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66897249] [2025-02-06 13:53:32,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:32,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 13:53:32,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:32,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 13:53:32,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 13:53:32,785 INFO L87 Difference]: Start difference. First operand has 303 states, 152 states have (on average 1.9342105263157894) internal successors, (294), 290 states have internal predecessors, (294), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2025-02-06 13:53:32,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:32,814 INFO L93 Difference]: Finished difference Result 595 states and 638 transitions. [2025-02-06 13:53:32,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 13:53:32,815 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 [2025-02-06 13:53:32,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:32,820 INFO L225 Difference]: With dead ends: 595 [2025-02-06 13:53:32,820 INFO L226 Difference]: Without dead ends: 289 [2025-02-06 13:53:32,823 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 [2025-02-06 13:53:32,824 INFO L435 NwaCegarLoop]: 305 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, 305 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 [2025-02-06 13:53:32,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:53:32,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2025-02-06 13:53:32,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2025-02-06 13:53:32,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 147 states have (on average 1.8911564625850341) internal successors, (278), 277 states have internal predecessors, (278), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 13:53:32,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 298 transitions. [2025-02-06 13:53:32,855 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 298 transitions. Word has length 6 [2025-02-06 13:53:32,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:32,856 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 298 transitions. [2025-02-06 13:53:32,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2025-02-06 13:53:32,856 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 298 transitions. [2025-02-06 13:53:32,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 13:53:32,856 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:32,856 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 13:53:32,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 13:53:32,857 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:32,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:32,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1112451837, now seen corresponding path program 1 times [2025-02-06 13:53:32,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:32,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366466082] [2025-02-06 13:53:32,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:32,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:32,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 13:53:32,866 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 13:53:32,866 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:32,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:32,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:53:32,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:32,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366466082] [2025-02-06 13:53:32,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366466082] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:32,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:32,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:32,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488882094] [2025-02-06 13:53:32,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:32,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:53:32,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:32,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:53:32,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:32,899 INFO L87 Difference]: Start difference. First operand 289 states and 298 transitions. Second operand has 3 states, 2 states have (on average 3.0) 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) [2025-02-06 13:53:33,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:33,006 INFO L93 Difference]: Finished difference Result 558 states and 577 transitions. [2025-02-06 13:53:33,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:33,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) 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 [2025-02-06 13:53:33,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:33,009 INFO L225 Difference]: With dead ends: 558 [2025-02-06 13:53:33,009 INFO L226 Difference]: Without dead ends: 538 [2025-02-06 13:53:33,009 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 [2025-02-06 13:53:33,010 INFO L435 NwaCegarLoop]: 272 mSDtfsCounter, 237 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:33,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 522 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:33,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2025-02-06 13:53:33,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 348. [2025-02-06 13:53:33,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 201 states have (on average 1.791044776119403) internal successors, (360), 331 states have internal predecessors, (360), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 13:53:33,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 390 transitions. [2025-02-06 13:53:33,048 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 390 transitions. Word has length 6 [2025-02-06 13:53:33,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:33,048 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 390 transitions. [2025-02-06 13:53:33,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) 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) [2025-02-06 13:53:33,048 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 390 transitions. [2025-02-06 13:53:33,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-06 13:53:33,049 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:33,049 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:33,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 13:53:33,049 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:33,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:33,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1718635059, now seen corresponding path program 1 times [2025-02-06 13:53:33,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:33,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139903192] [2025-02-06 13:53:33,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:33,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:33,057 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 13:53:33,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 13:53:33,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:33,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:33,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1979352228] [2025-02-06 13:53:33,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:33,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:33,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:33,078 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) [2025-02-06 13:53:33,081 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 [2025-02-06 13:53:33,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 13:53:33,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 13:53:33,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:33,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:33,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:53:33,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:53:33,218 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:53:33,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:33,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139903192] [2025-02-06 13:53:33,219 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:33,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979352228] [2025-02-06 13:53:33,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979352228] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:33,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:33,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:33,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280709694] [2025-02-06 13:53:33,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:33,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:53:33,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:33,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:53:33,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:33,224 INFO L87 Difference]: Start difference. First operand 348 states and 390 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:33,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:33,586 INFO L93 Difference]: Finished difference Result 508 states and 565 transitions. [2025-02-06 13:53:33,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:33,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2025-02-06 13:53:33,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:33,589 INFO L225 Difference]: With dead ends: 508 [2025-02-06 13:53:33,589 INFO L226 Difference]: Without dead ends: 453 [2025-02-06 13:53:33,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:33,590 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 134 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:33,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 269 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:53:33,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2025-02-06 13:53:33,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 433. [2025-02-06 13:53:33,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.6476868327402134) internal successors, (463), 411 states have internal predecessors, (463), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 13:53:33,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 503 transitions. [2025-02-06 13:53:33,606 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 503 transitions. Word has length 39 [2025-02-06 13:53:33,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:33,606 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 503 transitions. [2025-02-06 13:53:33,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:33,606 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 503 transitions. [2025-02-06 13:53:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-06 13:53:33,607 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:33,607 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:33,613 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 13:53:33,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:33,811 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:33,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:33,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1954124267, now seen corresponding path program 1 times [2025-02-06 13:53:33,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:33,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710141998] [2025-02-06 13:53:33,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:33,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:33,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 13:53:33,824 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 13:53:33,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:33,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:33,908 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:53:33,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:33,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710141998] [2025-02-06 13:53:33,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710141998] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:33,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:33,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:33,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738825355] [2025-02-06 13:53:33,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:33,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:53:33,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:33,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:53:33,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:33,911 INFO L87 Difference]: Start difference. First operand 433 states and 503 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:34,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:34,091 INFO L93 Difference]: Finished difference Result 466 states and 510 transitions. [2025-02-06 13:53:34,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:34,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2025-02-06 13:53:34,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:34,092 INFO L225 Difference]: With dead ends: 466 [2025-02-06 13:53:34,093 INFO L226 Difference]: Without dead ends: 443 [2025-02-06 13:53:34,093 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 [2025-02-06 13:53:34,093 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 120 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:34,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 427 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:53:34,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2025-02-06 13:53:34,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2025-02-06 13:53:34,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5658362989323844) internal successors, (440), 411 states have internal predecessors, (440), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 13:53:34,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 480 transitions. [2025-02-06 13:53:34,115 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 480 transitions. Word has length 41 [2025-02-06 13:53:34,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:34,115 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 480 transitions. [2025-02-06 13:53:34,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:34,116 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 480 transitions. [2025-02-06 13:53:34,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 13:53:34,116 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:34,116 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:34,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 13:53:34,117 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:34,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:34,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1012719113, now seen corresponding path program 1 times [2025-02-06 13:53:34,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:34,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116462803] [2025-02-06 13:53:34,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:34,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:34,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 13:53:34,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 13:53:34,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:34,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:34,224 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:53:34,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:34,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116462803] [2025-02-06 13:53:34,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116462803] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:34,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:34,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:53:34,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260080087] [2025-02-06 13:53:34,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:34,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:34,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:34,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:34,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:34,226 INFO L87 Difference]: Start difference. First operand 433 states and 480 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:34,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:34,745 INFO L93 Difference]: Finished difference Result 445 states and 487 transitions. [2025-02-06 13:53:34,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:34,746 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2025-02-06 13:53:34,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:34,747 INFO L225 Difference]: With dead ends: 445 [2025-02-06 13:53:34,747 INFO L226 Difference]: Without dead ends: 443 [2025-02-06 13:53:34,748 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 [2025-02-06 13:53:34,748 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 137 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:34,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 449 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:53:34,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2025-02-06 13:53:34,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2025-02-06 13:53:34,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5587188612099645) internal successors, (438), 411 states have internal predecessors, (438), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 13:53:34,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 478 transitions. [2025-02-06 13:53:34,762 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 478 transitions. Word has length 43 [2025-02-06 13:53:34,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:34,762 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 478 transitions. [2025-02-06 13:53:34,762 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:34,762 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 478 transitions. [2025-02-06 13:53:34,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 13:53:34,763 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:34,763 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:34,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 13:53:34,763 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:34,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:34,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1329521642, now seen corresponding path program 1 times [2025-02-06 13:53:34,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:34,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7216980] [2025-02-06 13:53:34,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:34,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:34,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 13:53:34,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 13:53:34,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:34,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:34,873 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:53:34,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:34,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7216980] [2025-02-06 13:53:34,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7216980] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:34,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:34,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:53:34,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533173264] [2025-02-06 13:53:34,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:34,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:34,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:34,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:34,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:34,875 INFO L87 Difference]: Start difference. First operand 433 states and 478 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:35,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:35,918 INFO L93 Difference]: Finished difference Result 445 states and 485 transitions. [2025-02-06 13:53:35,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:35,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2025-02-06 13:53:35,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:35,920 INFO L225 Difference]: With dead ends: 445 [2025-02-06 13:53:35,920 INFO L226 Difference]: Without dead ends: 443 [2025-02-06 13:53:35,921 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 [2025-02-06 13:53:35,921 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 137 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:35,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 451 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-06 13:53:35,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2025-02-06 13:53:35,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2025-02-06 13:53:35,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5516014234875444) internal successors, (436), 411 states have internal predecessors, (436), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 13:53:35,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 476 transitions. [2025-02-06 13:53:35,930 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 476 transitions. Word has length 44 [2025-02-06 13:53:35,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:35,930 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 476 transitions. [2025-02-06 13:53:35,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:35,931 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 476 transitions. [2025-02-06 13:53:35,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-06 13:53:35,931 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:35,931 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:35,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 13:53:35,931 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:35,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:35,932 INFO L85 PathProgramCache]: Analyzing trace with hash -408959419, now seen corresponding path program 1 times [2025-02-06 13:53:35,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:35,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380691795] [2025-02-06 13:53:35,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:35,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:35,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 13:53:35,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 13:53:35,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:35,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:35,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1842631598] [2025-02-06 13:53:35,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:35,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:35,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:35,963 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) [2025-02-06 13:53:35,966 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 [2025-02-06 13:53:35,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 13:53:35,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 13:53:35,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:35,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:35,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:53:35,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:36,184 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:53:36,185 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:53:36,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:36,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380691795] [2025-02-06 13:53:36,185 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:36,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842631598] [2025-02-06 13:53:36,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842631598] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:36,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:36,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:36,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084062625] [2025-02-06 13:53:36,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:36,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:53:36,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:36,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:53:36,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:36,186 INFO L87 Difference]: Start difference. First operand 433 states and 476 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:36,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:36,547 INFO L93 Difference]: Finished difference Result 450 states and 483 transitions. [2025-02-06 13:53:36,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:36,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2025-02-06 13:53:36,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:36,549 INFO L225 Difference]: With dead ends: 450 [2025-02-06 13:53:36,549 INFO L226 Difference]: Without dead ends: 441 [2025-02-06 13:53:36,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:36,551 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 112 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:36,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 259 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:53:36,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-02-06 13:53:36,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 436. [2025-02-06 13:53:36,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 284 states have (on average 1.5246478873239437) internal successors, (433), 414 states have internal predecessors, (433), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 13:53:36,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 473 transitions. [2025-02-06 13:53:36,562 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 473 transitions. Word has length 47 [2025-02-06 13:53:36,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:36,562 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 473 transitions. [2025-02-06 13:53:36,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:36,562 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 473 transitions. [2025-02-06 13:53:36,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-06 13:53:36,562 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:36,563 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:36,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 13:53:36,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:36,763 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:36,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:36,764 INFO L85 PathProgramCache]: Analyzing trace with hash 207160102, now seen corresponding path program 1 times [2025-02-06 13:53:36,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:36,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997652178] [2025-02-06 13:53:36,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:36,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:36,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 13:53:36,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 13:53:36,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:36,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:36,854 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:53:36,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:36,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997652178] [2025-02-06 13:53:36,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997652178] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:36,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:36,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:53:36,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340651584] [2025-02-06 13:53:36,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:36,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:36,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:36,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:36,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:36,857 INFO L87 Difference]: Start difference. First operand 436 states and 473 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:37,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:37,139 INFO L93 Difference]: Finished difference Result 449 states and 474 transitions. [2025-02-06 13:53:37,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:37,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2025-02-06 13:53:37,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:37,142 INFO L225 Difference]: With dead ends: 449 [2025-02-06 13:53:37,145 INFO L226 Difference]: Without dead ends: 443 [2025-02-06 13:53:37,146 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 [2025-02-06 13:53:37,146 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 244 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:37,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 307 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:53:37,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2025-02-06 13:53:37,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 436. [2025-02-06 13:53:37,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 284 states have (on average 1.5035211267605635) internal successors, (427), 414 states have internal predecessors, (427), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 13:53:37,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 467 transitions. [2025-02-06 13:53:37,169 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 467 transitions. Word has length 48 [2025-02-06 13:53:37,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:37,169 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 467 transitions. [2025-02-06 13:53:37,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:37,170 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 467 transitions. [2025-02-06 13:53:37,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-06 13:53:37,173 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:37,174 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:37,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 13:53:37,174 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:37,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:37,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1687511650, now seen corresponding path program 1 times [2025-02-06 13:53:37,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:37,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216791434] [2025-02-06 13:53:37,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:37,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:37,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 13:53:37,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 13:53:37,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:37,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:37,267 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:53:37,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:37,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216791434] [2025-02-06 13:53:37,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216791434] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:37,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:37,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:53:37,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104022793] [2025-02-06 13:53:37,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:37,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:37,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:37,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:37,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:37,269 INFO L87 Difference]: Start difference. First operand 436 states and 467 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:37,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:37,708 INFO L93 Difference]: Finished difference Result 447 states and 468 transitions. [2025-02-06 13:53:37,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:37,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 52 [2025-02-06 13:53:37,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:37,709 INFO L225 Difference]: With dead ends: 447 [2025-02-06 13:53:37,709 INFO L226 Difference]: Without dead ends: 374 [2025-02-06 13:53:37,710 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 [2025-02-06 13:53:37,710 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 119 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:37,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 351 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:53:37,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2025-02-06 13:53:37,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 370. [2025-02-06 13:53:37,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 221 states have (on average 1.6199095022624435) internal successors, (358), 351 states have internal predecessors, (358), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 13:53:37,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 392 transitions. [2025-02-06 13:53:37,717 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 392 transitions. Word has length 52 [2025-02-06 13:53:37,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:37,718 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 392 transitions. [2025-02-06 13:53:37,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:37,718 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 392 transitions. [2025-02-06 13:53:37,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-06 13:53:37,718 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:37,718 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:37,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 13:53:37,719 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:37,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:37,719 INFO L85 PathProgramCache]: Analyzing trace with hash -726501121, now seen corresponding path program 1 times [2025-02-06 13:53:37,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:37,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883442365] [2025-02-06 13:53:37,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:37,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:37,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-06 13:53:37,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-06 13:53:37,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:37,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:37,767 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:37,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:37,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883442365] [2025-02-06 13:53:37,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883442365] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:37,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:37,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:37,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827258666] [2025-02-06 13:53:37,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:37,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:53:37,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:37,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:53:37,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:37,769 INFO L87 Difference]: Start difference. First operand 370 states and 392 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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) [2025-02-06 13:53:37,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:37,981 INFO L93 Difference]: Finished difference Result 370 states and 392 transitions. [2025-02-06 13:53:37,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:37,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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 84 [2025-02-06 13:53:37,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:37,983 INFO L225 Difference]: With dead ends: 370 [2025-02-06 13:53:37,983 INFO L226 Difference]: Without dead ends: 363 [2025-02-06 13:53:37,983 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 [2025-02-06 13:53:37,984 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 138 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:37,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 156 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:53:37,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2025-02-06 13:53:38,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2025-02-06 13:53:38,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 221 states have (on average 1.588235294117647) internal successors, (351), 344 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 13:53:38,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 385 transitions. [2025-02-06 13:53:38,004 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 385 transitions. Word has length 84 [2025-02-06 13:53:38,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:38,004 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 385 transitions. [2025-02-06 13:53:38,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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) [2025-02-06 13:53:38,004 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 385 transitions. [2025-02-06 13:53:38,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-06 13:53:38,005 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:38,005 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:38,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 13:53:38,005 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:38,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:38,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1046698124, now seen corresponding path program 1 times [2025-02-06 13:53:38,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:38,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589323574] [2025-02-06 13:53:38,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:38,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:38,010 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-06 13:53:38,015 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-06 13:53:38,015 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:38,015 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:38,054 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:38,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:38,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589323574] [2025-02-06 13:53:38,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589323574] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:38,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:38,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:38,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612283042] [2025-02-06 13:53:38,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:38,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:53:38,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:38,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:53:38,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:38,057 INFO L87 Difference]: Start difference. First operand 363 states and 385 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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) [2025-02-06 13:53:38,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:38,298 INFO L93 Difference]: Finished difference Result 370 states and 388 transitions. [2025-02-06 13:53:38,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:38,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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 85 [2025-02-06 13:53:38,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:38,300 INFO L225 Difference]: With dead ends: 370 [2025-02-06 13:53:38,300 INFO L226 Difference]: Without dead ends: 369 [2025-02-06 13:53:38,300 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 [2025-02-06 13:53:38,301 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 24 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:38,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 394 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:53:38,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-02-06 13:53:38,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2025-02-06 13:53:38,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 223 states have (on average 1.5829596412556053) internal successors, (353), 346 states have internal predecessors, (353), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 13:53:38,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 387 transitions. [2025-02-06 13:53:38,307 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 387 transitions. Word has length 85 [2025-02-06 13:53:38,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:38,308 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 387 transitions. [2025-02-06 13:53:38,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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) [2025-02-06 13:53:38,308 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 387 transitions. [2025-02-06 13:53:38,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-06 13:53:38,309 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:38,309 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:38,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 13:53:38,309 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:38,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:38,309 INFO L85 PathProgramCache]: Analyzing trace with hash -859071722, now seen corresponding path program 1 times [2025-02-06 13:53:38,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:38,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577324971] [2025-02-06 13:53:38,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:38,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:38,314 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 13:53:38,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 13:53:38,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:38,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:38,367 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 13:53:38,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:38,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577324971] [2025-02-06 13:53:38,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577324971] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:38,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:38,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:38,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469945819] [2025-02-06 13:53:38,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:38,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:53:38,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:38,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:53:38,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:38,368 INFO L87 Difference]: Start difference. First operand 365 states and 387 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-02-06 13:53:38,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:38,431 INFO L93 Difference]: Finished difference Result 365 states and 387 transitions. [2025-02-06 13:53:38,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:38,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 87 [2025-02-06 13:53:38,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:38,433 INFO L225 Difference]: With dead ends: 365 [2025-02-06 13:53:38,433 INFO L226 Difference]: Without dead ends: 363 [2025-02-06 13:53:38,433 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 [2025-02-06 13:53:38,434 INFO L435 NwaCegarLoop]: 249 mSDtfsCounter, 192 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:38,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 263 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:38,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2025-02-06 13:53:38,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2025-02-06 13:53:38,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 223 states have (on average 1.5650224215246638) internal successors, (349), 344 states have internal predecessors, (349), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 13:53:38,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 383 transitions. [2025-02-06 13:53:38,442 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 383 transitions. Word has length 87 [2025-02-06 13:53:38,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:38,443 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 383 transitions. [2025-02-06 13:53:38,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-02-06 13:53:38,443 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 383 transitions. [2025-02-06 13:53:38,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-06 13:53:38,445 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:38,445 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:38,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 13:53:38,445 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:38,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:38,446 INFO L85 PathProgramCache]: Analyzing trace with hash -861419472, now seen corresponding path program 1 times [2025-02-06 13:53:38,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:38,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672056610] [2025-02-06 13:53:38,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:38,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:38,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 13:53:38,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 13:53:38,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:38,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 13:53:38,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:38,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672056610] [2025-02-06 13:53:38,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672056610] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:38,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:38,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:53:38,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277083518] [2025-02-06 13:53:38,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:38,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:53:38,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:38,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:53:38,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:53:38,520 INFO L87 Difference]: Start difference. First operand 363 states and 383 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 13:53:38,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:38,656 INFO L93 Difference]: Finished difference Result 367 states and 383 transitions. [2025-02-06 13:53:38,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:38,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 88 [2025-02-06 13:53:38,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:38,658 INFO L225 Difference]: With dead ends: 367 [2025-02-06 13:53:38,658 INFO L226 Difference]: Without dead ends: 363 [2025-02-06 13:53:38,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:53:38,658 INFO L435 NwaCegarLoop]: 250 mSDtfsCounter, 48 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:38,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 719 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:38,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2025-02-06 13:53:38,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 361. [2025-02-06 13:53:38,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 221 states have (on average 1.5610859728506787) internal successors, (345), 342 states have internal predecessors, (345), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 13:53:38,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 379 transitions. [2025-02-06 13:53:38,668 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 379 transitions. Word has length 88 [2025-02-06 13:53:38,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:38,668 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 379 transitions. [2025-02-06 13:53:38,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 13:53:38,668 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 379 transitions. [2025-02-06 13:53:38,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-06 13:53:38,669 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:38,670 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:38,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 13:53:38,670 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:38,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:38,670 INFO L85 PathProgramCache]: Analyzing trace with hash -854541518, now seen corresponding path program 1 times [2025-02-06 13:53:38,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:38,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533311259] [2025-02-06 13:53:38,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:38,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:38,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 13:53:38,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 13:53:38,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:38,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:38,733 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:38,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:38,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533311259] [2025-02-06 13:53:38,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533311259] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:38,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144903678] [2025-02-06 13:53:38,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:38,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:38,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:38,737 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) [2025-02-06 13:53:38,743 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 [2025-02-06 13:53:38,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 13:53:38,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 13:53:38,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:38,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:38,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:53:38,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:38,861 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:38,861 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:53:38,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144903678] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:38,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:38,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-06 13:53:38,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903990726] [2025-02-06 13:53:38,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:38,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:38,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:38,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:38,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:53:38,863 INFO L87 Difference]: Start difference. First operand 361 states and 379 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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) [2025-02-06 13:53:38,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:38,949 INFO L93 Difference]: Finished difference Result 363 states and 379 transitions. [2025-02-06 13:53:38,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:38,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 87 [2025-02-06 13:53:38,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:38,950 INFO L225 Difference]: With dead ends: 363 [2025-02-06 13:53:38,950 INFO L226 Difference]: Without dead ends: 355 [2025-02-06 13:53:38,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:53:38,951 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 420 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:38,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 367 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:38,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2025-02-06 13:53:38,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2025-02-06 13:53:38,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 221 states have (on average 1.5248868778280542) internal successors, (337), 334 states have internal predecessors, (337), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 13:53:38,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 371 transitions. [2025-02-06 13:53:38,958 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 371 transitions. Word has length 87 [2025-02-06 13:53:38,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:38,958 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 371 transitions. [2025-02-06 13:53:38,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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) [2025-02-06 13:53:38,958 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 371 transitions. [2025-02-06 13:53:38,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-06 13:53:38,958 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:38,959 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:38,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 13:53:39,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:39,159 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:39,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:39,159 INFO L85 PathProgramCache]: Analyzing trace with hash -720983024, now seen corresponding path program 1 times [2025-02-06 13:53:39,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:39,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120806117] [2025-02-06 13:53:39,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:39,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:39,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 13:53:39,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 13:53:39,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:39,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:39,204 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:39,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:39,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120806117] [2025-02-06 13:53:39,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120806117] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:39,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434701745] [2025-02-06 13:53:39,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:39,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:39,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:39,206 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) [2025-02-06 13:53:39,207 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 [2025-02-06 13:53:39,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 13:53:39,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 13:53:39,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:39,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:39,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:53:39,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:39,304 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:39,304 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:39,393 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:39,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434701745] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:39,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:53:39,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-06 13:53:39,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543655737] [2025-02-06 13:53:39,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:39,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:53:39,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:39,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:53:39,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:53:39,395 INFO L87 Difference]: Start difference. First operand 353 states and 371 transitions. Second operand has 7 states, 6 states have (on average 29.5) internal successors, (177), 7 states have internal predecessors, (177), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-02-06 13:53:39,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:39,550 INFO L93 Difference]: Finished difference Result 614 states and 652 transitions. [2025-02-06 13:53:39,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:53:39,550 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 29.5) internal successors, (177), 7 states have internal predecessors, (177), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 88 [2025-02-06 13:53:39,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:39,552 INFO L225 Difference]: With dead ends: 614 [2025-02-06 13:53:39,553 INFO L226 Difference]: Without dead ends: 606 [2025-02-06 13:53:39,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:53:39,553 INFO L435 NwaCegarLoop]: 243 mSDtfsCounter, 447 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:39,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 978 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:39,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2025-02-06 13:53:39,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 413. [2025-02-06 13:53:39,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 282 states have (on average 1.5141843971631206) internal successors, (427), 389 states have internal predecessors, (427), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-06 13:53:39,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 471 transitions. [2025-02-06 13:53:39,565 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 471 transitions. Word has length 88 [2025-02-06 13:53:39,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:39,565 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 471 transitions. [2025-02-06 13:53:39,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 29.5) internal successors, (177), 7 states have internal predecessors, (177), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-02-06 13:53:39,565 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 471 transitions. [2025-02-06 13:53:39,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-06 13:53:39,567 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:39,568 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:39,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 13:53:39,772 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,SelfDestructingSolverStorable14 [2025-02-06 13:53:39,772 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:39,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:39,773 INFO L85 PathProgramCache]: Analyzing trace with hash -188969461, now seen corresponding path program 1 times [2025-02-06 13:53:39,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:39,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49526037] [2025-02-06 13:53:39,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:39,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:39,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-06 13:53:39,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 13:53:39,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:39,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:39,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1608662232] [2025-02-06 13:53:39,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:39,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:39,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:39,797 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) [2025-02-06 13:53:39,798 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 [2025-02-06 13:53:39,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-06 13:53:39,853 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 13:53:39,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:39,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:39,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:53:39,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:39,958 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 13:53:39,958 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:40,094 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 13:53:40,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:40,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49526037] [2025-02-06 13:53:40,094 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:40,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608662232] [2025-02-06 13:53:40,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608662232] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:40,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:53:40,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-02-06 13:53:40,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133951632] [2025-02-06 13:53:40,094 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:40,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:53:40,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:40,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:53:40,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:53:40,095 INFO L87 Difference]: Start difference. First operand 413 states and 471 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-06 13:53:40,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:40,321 INFO L93 Difference]: Finished difference Result 616 states and 648 transitions. [2025-02-06 13:53:40,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:53:40,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 99 [2025-02-06 13:53:40,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:40,324 INFO L225 Difference]: With dead ends: 616 [2025-02-06 13:53:40,324 INFO L226 Difference]: Without dead ends: 611 [2025-02-06 13:53:40,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:53:40,325 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 691 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:40,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 811 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:53:40,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2025-02-06 13:53:40,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 418. [2025-02-06 13:53:40,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 290 states have (on average 1.4724137931034482) internal successors, (427), 393 states have internal predecessors, (427), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-06 13:53:40,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 473 transitions. [2025-02-06 13:53:40,336 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 473 transitions. Word has length 99 [2025-02-06 13:53:40,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:40,337 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 473 transitions. [2025-02-06 13:53:40,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-06 13:53:40,337 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 473 transitions. [2025-02-06 13:53:40,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-06 13:53:40,338 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:40,338 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:40,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 13:53:40,542 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,SelfDestructingSolverStorable15 [2025-02-06 13:53:40,542 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:40,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:40,543 INFO L85 PathProgramCache]: Analyzing trace with hash -709118160, now seen corresponding path program 1 times [2025-02-06 13:53:40,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:40,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870897871] [2025-02-06 13:53:40,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:40,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:40,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 13:53:40,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 13:53:40,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:40,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:40,706 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:53:40,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:40,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870897871] [2025-02-06 13:53:40,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870897871] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:40,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:40,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:53:40,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278595487] [2025-02-06 13:53:40,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:40,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:53:40,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:40,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:53:40,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:53:40,707 INFO L87 Difference]: Start difference. First operand 418 states and 473 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:53:40,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:40,840 INFO L93 Difference]: Finished difference Result 424 states and 476 transitions. [2025-02-06 13:53:40,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:53:40,840 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 104 [2025-02-06 13:53:40,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:40,842 INFO L225 Difference]: With dead ends: 424 [2025-02-06 13:53:40,842 INFO L226 Difference]: Without dead ends: 396 [2025-02-06 13:53:40,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:53:40,842 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 229 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:40,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 430 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:40,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2025-02-06 13:53:40,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2025-02-06 13:53:40,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 272 states have (on average 1.4889705882352942) internal successors, (405), 373 states have internal predecessors, (405), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:53:40,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 447 transitions. [2025-02-06 13:53:40,853 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 447 transitions. Word has length 104 [2025-02-06 13:53:40,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:40,853 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 447 transitions. [2025-02-06 13:53:40,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:53:40,854 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 447 transitions. [2025-02-06 13:53:40,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-06 13:53:40,854 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:40,854 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:40,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-06 13:53:40,855 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:40,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:40,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1830600648, now seen corresponding path program 1 times [2025-02-06 13:53:40,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:40,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309641721] [2025-02-06 13:53:40,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:40,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:40,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-06 13:53:40,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-06 13:53:40,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:40,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:40,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [166232221] [2025-02-06 13:53:40,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:40,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:40,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:40,878 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) [2025-02-06 13:53:40,879 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 [2025-02-06 13:53:40,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-06 13:53:40,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-06 13:53:40,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:40,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:40,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:53:40,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:41,303 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:41,303 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:43,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:43,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309641721] [2025-02-06 13:53:43,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:43,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166232221] [2025-02-06 13:53:43,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166232221] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:43,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:43,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 13:53:43,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53091607] [2025-02-06 13:53:43,557 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:43,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:53:43,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:43,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:53:43,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:53:43,558 INFO L87 Difference]: Start difference. First operand 396 states and 447 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 13:53:44,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:44,026 INFO L93 Difference]: Finished difference Result 522 states and 610 transitions. [2025-02-06 13:53:44,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:53:44,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 120 [2025-02-06 13:53:44,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:44,028 INFO L225 Difference]: With dead ends: 522 [2025-02-06 13:53:44,028 INFO L226 Difference]: Without dead ends: 497 [2025-02-06 13:53:44,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:53:44,029 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 131 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:44,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 326 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:53:44,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2025-02-06 13:53:44,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 481. [2025-02-06 13:53:44,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 352 states have (on average 1.4943181818181819) internal successors, (526), 453 states have internal predecessors, (526), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 13:53:44,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 578 transitions. [2025-02-06 13:53:44,039 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 578 transitions. Word has length 120 [2025-02-06 13:53:44,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:44,039 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 578 transitions. [2025-02-06 13:53:44,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 13:53:44,040 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 578 transitions. [2025-02-06 13:53:44,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-06 13:53:44,040 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:44,040 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:44,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:44,243 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,SelfDestructingSolverStorable17 [2025-02-06 13:53:44,244 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:44,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:44,244 INFO L85 PathProgramCache]: Analyzing trace with hash -914045021, now seen corresponding path program 1 times [2025-02-06 13:53:44,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:44,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643185630] [2025-02-06 13:53:44,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:44,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:44,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-06 13:53:44,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-06 13:53:44,258 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:44,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:44,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [853603090] [2025-02-06 13:53:44,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:44,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:44,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:44,261 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) [2025-02-06 13:53:44,262 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 [2025-02-06 13:53:44,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-06 13:53:44,302 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-06 13:53:44,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:44,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:44,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:53:44,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:44,529 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:44,530 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:44,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:44,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643185630] [2025-02-06 13:53:44,889 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:44,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853603090] [2025-02-06 13:53:44,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853603090] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:44,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:44,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 13:53:44,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150488530] [2025-02-06 13:53:44,889 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:44,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:53:44,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:44,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:53:44,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:53:44,891 INFO L87 Difference]: Start difference. First operand 481 states and 578 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 13:53:45,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:45,375 INFO L93 Difference]: Finished difference Result 514 states and 585 transitions. [2025-02-06 13:53:45,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:53:45,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 121 [2025-02-06 13:53:45,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:45,377 INFO L225 Difference]: With dead ends: 514 [2025-02-06 13:53:45,377 INFO L226 Difference]: Without dead ends: 497 [2025-02-06 13:53:45,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:53:45,378 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 129 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:45,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 420 Invalid, 809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:53:45,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2025-02-06 13:53:45,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 481. [2025-02-06 13:53:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 352 states have (on average 1.4460227272727273) internal successors, (509), 453 states have internal predecessors, (509), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 13:53:45,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 561 transitions. [2025-02-06 13:53:45,389 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 561 transitions. Word has length 121 [2025-02-06 13:53:45,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:45,390 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 561 transitions. [2025-02-06 13:53:45,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 13:53:45,390 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 561 transitions. [2025-02-06 13:53:45,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-02-06 13:53:45,391 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:45,391 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:45,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-06 13:53:45,595 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 [2025-02-06 13:53:45,595 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:45,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:45,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1729375638, now seen corresponding path program 1 times [2025-02-06 13:53:45,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:45,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644281830] [2025-02-06 13:53:45,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:45,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:45,602 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-06 13:53:45,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-06 13:53:45,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:45,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:45,677 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:45,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:45,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644281830] [2025-02-06 13:53:45,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644281830] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:45,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199089151] [2025-02-06 13:53:45,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:45,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:45,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:45,682 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) [2025-02-06 13:53:45,685 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 [2025-02-06 13:53:45,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-06 13:53:45,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-06 13:53:45,724 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:45,724 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:45,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:53:45,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:45,900 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:45,900 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:46,016 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:46,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199089151] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:46,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:53:46,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-02-06 13:53:46,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962454787] [2025-02-06 13:53:46,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:46,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:53:46,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:46,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:53:46,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:53:46,019 INFO L87 Difference]: Start difference. First operand 481 states and 561 transitions. Second operand has 8 states, 7 states have (on average 31.285714285714285) internal successors, (219), 8 states have internal predecessors, (219), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-06 13:53:46,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:46,550 INFO L93 Difference]: Finished difference Result 496 states and 568 transitions. [2025-02-06 13:53:46,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:53:46,551 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.285714285714285) internal successors, (219), 8 states have internal predecessors, (219), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 122 [2025-02-06 13:53:46,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:46,552 INFO L225 Difference]: With dead ends: 496 [2025-02-06 13:53:46,553 INFO L226 Difference]: Without dead ends: 491 [2025-02-06 13:53:46,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:53:46,553 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 455 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:46,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 653 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:53:46,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2025-02-06 13:53:46,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 477. [2025-02-06 13:53:46,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 352 states have (on average 1.4204545454545454) internal successors, (500), 449 states have internal predecessors, (500), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 13:53:46,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 552 transitions. [2025-02-06 13:53:46,563 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 552 transitions. Word has length 122 [2025-02-06 13:53:46,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:46,564 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 552 transitions. [2025-02-06 13:53:46,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.285714285714285) internal successors, (219), 8 states have internal predecessors, (219), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-06 13:53:46,564 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 552 transitions. [2025-02-06 13:53:46,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-06 13:53:46,564 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:46,564 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:46,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-06 13:53:46,765 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 [2025-02-06 13:53:46,765 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:46,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:46,766 INFO L85 PathProgramCache]: Analyzing trace with hash 2071037441, now seen corresponding path program 1 times [2025-02-06 13:53:46,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:46,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171770561] [2025-02-06 13:53:46,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:46,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:46,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-06 13:53:46,779 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-06 13:53:46,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:46,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:46,843 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:46,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:46,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171770561] [2025-02-06 13:53:46,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171770561] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:46,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013640467] [2025-02-06 13:53:46,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:46,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:46,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:46,846 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) [2025-02-06 13:53:46,851 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 [2025-02-06 13:53:46,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-06 13:53:46,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-06 13:53:46,909 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:46,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:46,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:53:46,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:47,050 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:47,051 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:47,166 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:47,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013640467] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:47,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:53:47,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-02-06 13:53:47,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924326907] [2025-02-06 13:53:47,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:47,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:53:47,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:47,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:53:47,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:53:47,169 INFO L87 Difference]: Start difference. First operand 477 states and 552 transitions. Second operand has 8 states, 7 states have (on average 31.571428571428573) internal successors, (221), 8 states have internal predecessors, (221), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-06 13:53:47,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:47,668 INFO L93 Difference]: Finished difference Result 492 states and 559 transitions. [2025-02-06 13:53:47,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:53:47,669 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.571428571428573) internal successors, (221), 8 states have internal predecessors, (221), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 123 [2025-02-06 13:53:47,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:47,670 INFO L225 Difference]: With dead ends: 492 [2025-02-06 13:53:47,670 INFO L226 Difference]: Without dead ends: 487 [2025-02-06 13:53:47,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:53:47,671 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 329 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:47,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 586 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:53:47,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2025-02-06 13:53:47,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 473. [2025-02-06 13:53:47,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 352 states have (on average 1.3948863636363635) internal successors, (491), 445 states have internal predecessors, (491), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 13:53:47,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 543 transitions. [2025-02-06 13:53:47,681 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 543 transitions. Word has length 123 [2025-02-06 13:53:47,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:47,681 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 543 transitions. [2025-02-06 13:53:47,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.571428571428573) internal successors, (221), 8 states have internal predecessors, (221), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-06 13:53:47,681 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 543 transitions. [2025-02-06 13:53:47,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-02-06 13:53:47,682 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:47,682 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:47,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-06 13:53:47,882 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 [2025-02-06 13:53:47,883 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:47,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:47,883 INFO L85 PathProgramCache]: Analyzing trace with hash -222348556, now seen corresponding path program 1 times [2025-02-06 13:53:47,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:47,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439516285] [2025-02-06 13:53:47,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:47,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:47,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-06 13:53:47,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-06 13:53:47,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:47,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:47,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [371787396] [2025-02-06 13:53:47,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:47,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:47,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:47,904 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) [2025-02-06 13:53:47,912 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 [2025-02-06 13:53:47,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-06 13:53:47,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-06 13:53:47,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:47,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:47,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 13:53:47,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:48,295 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:48,492 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:48,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:48,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439516285] [2025-02-06 13:53:48,492 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:48,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371787396] [2025-02-06 13:53:48,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371787396] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:48,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:53:48,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-06 13:53:48,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562542304] [2025-02-06 13:53:48,492 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:48,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:53:48,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:48,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:53:48,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:53:48,493 INFO L87 Difference]: Start difference. First operand 473 states and 543 transitions. Second operand has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 10 states have internal predecessors, (168), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 13:53:50,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:50,129 INFO L93 Difference]: Finished difference Result 511 states and 550 transitions. [2025-02-06 13:53:50,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:53:50,130 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 10 states have internal predecessors, (168), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 124 [2025-02-06 13:53:50,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:50,131 INFO L225 Difference]: With dead ends: 511 [2025-02-06 13:53:50,131 INFO L226 Difference]: Without dead ends: 424 [2025-02-06 13:53:50,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:53:50,134 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 734 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 1496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:50,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [741 Valid, 442 Invalid, 1496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-02-06 13:53:50,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2025-02-06 13:53:50,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 420. [2025-02-06 13:53:50,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 304 states have (on average 1.355263157894737) internal successors, (412), 395 states have internal predecessors, (412), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-06 13:53:50,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 458 transitions. [2025-02-06 13:53:50,144 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 458 transitions. Word has length 124 [2025-02-06 13:53:50,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:50,144 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 458 transitions. [2025-02-06 13:53:50,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 10 states have internal predecessors, (168), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 13:53:50,144 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 458 transitions. [2025-02-06 13:53:50,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-02-06 13:53:50,145 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:50,145 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-06 13:53:50,155 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 [2025-02-06 13:53:50,345 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 [2025-02-06 13:53:50,345 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:50,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:50,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1611905023, now seen corresponding path program 1 times [2025-02-06 13:53:50,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:50,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788461256] [2025-02-06 13:53:50,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:50,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:50,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-02-06 13:53:50,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-02-06 13:53:50,366 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:50,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:50,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [977065216] [2025-02-06 13:53:50,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:50,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:50,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:50,369 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) [2025-02-06 13:53:50,371 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 [2025-02-06 13:53:50,393 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-02-06 13:53:50,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-02-06 13:53:50,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:50,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:50,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:53:50,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:50,766 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 13:53:50,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:51,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:51,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788461256] [2025-02-06 13:53:51,322 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:51,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977065216] [2025-02-06 13:53:51,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977065216] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:51,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:51,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 13:53:51,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978839042] [2025-02-06 13:53:51,322 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:51,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:53:51,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:51,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:53:51,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:53:51,323 INFO L87 Difference]: Start difference. First operand 420 states and 458 transitions. Second operand has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-06 13:53:51,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:51,750 INFO L93 Difference]: Finished difference Result 421 states and 458 transitions. [2025-02-06 13:53:51,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:53:51,750 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 170 [2025-02-06 13:53:51,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:51,752 INFO L225 Difference]: With dead ends: 421 [2025-02-06 13:53:51,752 INFO L226 Difference]: Without dead ends: 420 [2025-02-06 13:53:51,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:53:51,753 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 34 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:51,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 471 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:53:51,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2025-02-06 13:53:51,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2025-02-06 13:53:51,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 304 states have (on average 1.3519736842105263) internal successors, (411), 395 states have internal predecessors, (411), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-06 13:53:51,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 457 transitions. [2025-02-06 13:53:51,762 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 457 transitions. Word has length 170 [2025-02-06 13:53:51,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:51,762 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 457 transitions. [2025-02-06 13:53:51,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-06 13:53:51,763 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 457 transitions. [2025-02-06 13:53:51,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-02-06 13:53:51,764 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:51,764 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-06 13:53:51,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:51,964 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,SelfDestructingSolverStorable22 [2025-02-06 13:53:51,964 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:51,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:51,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1570551709, now seen corresponding path program 1 times [2025-02-06 13:53:51,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:51,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345094606] [2025-02-06 13:53:51,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:51,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:51,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-06 13:53:51,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-06 13:53:51,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:51,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:51,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [67674797] [2025-02-06 13:53:51,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:51,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:51,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:51,984 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) [2025-02-06 13:53:51,988 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 [2025-02-06 13:53:52,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-06 13:53:52,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-06 13:53:52,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:52,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:52,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:53:52,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:52,391 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 13:53:52,391 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:52,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:52,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345094606] [2025-02-06 13:53:52,516 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:52,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67674797] [2025-02-06 13:53:52,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67674797] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:52,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:52,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 13:53:52,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218369774] [2025-02-06 13:53:52,517 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:52,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:53:52,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:52,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:53:52,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:53:52,518 INFO L87 Difference]: Start difference. First operand 420 states and 457 transitions. Second operand has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-06 13:53:53,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:53,018 INFO L93 Difference]: Finished difference Result 431 states and 457 transitions. [2025-02-06 13:53:53,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:53:53,018 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 171 [2025-02-06 13:53:53,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:53,019 INFO L225 Difference]: With dead ends: 431 [2025-02-06 13:53:53,019 INFO L226 Difference]: Without dead ends: 430 [2025-02-06 13:53:53,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:53:53,020 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 69 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:53,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 571 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:53:53,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2025-02-06 13:53:53,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 420. [2025-02-06 13:53:53,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 304 states have (on average 1.3486842105263157) internal successors, (410), 395 states have internal predecessors, (410), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-06 13:53:53,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 456 transitions. [2025-02-06 13:53:53,029 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 456 transitions. Word has length 171 [2025-02-06 13:53:53,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:53,029 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 456 transitions. [2025-02-06 13:53:53,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-06 13:53:53,030 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 456 transitions. [2025-02-06 13:53:53,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-02-06 13:53:53,031 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:53,032 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-06 13:53:53,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:53,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:53,236 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:53,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:53,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1067886843, now seen corresponding path program 1 times [2025-02-06 13:53:53,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:53,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638125215] [2025-02-06 13:53:53,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:53,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:53,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-06 13:53:53,253 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-06 13:53:53,254 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:53,254 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:53,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [934013888] [2025-02-06 13:53:53,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:53,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:53,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:53,258 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) [2025-02-06 13:53:53,265 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 [2025-02-06 13:53:53,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-06 13:53:53,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-06 13:53:53,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:53,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:53,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 13:53:53,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:54,412 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 13:53:54,412 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:55,000 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 13:53:55,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:55,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638125215] [2025-02-06 13:53:55,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:55,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934013888] [2025-02-06 13:53:55,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934013888] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:55,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:53:55,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2025-02-06 13:53:55,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178346584] [2025-02-06 13:53:55,002 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:55,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:53:55,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:55,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:53:55,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:53:55,007 INFO L87 Difference]: Start difference. First operand 420 states and 456 transitions. Second operand has 11 states, 10 states have (on average 24.0) internal successors, (240), 11 states have internal predecessors, (240), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-02-06 13:53:57,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:57,000 INFO L93 Difference]: Finished difference Result 428 states and 456 transitions. [2025-02-06 13:53:57,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 13:53:57,001 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 24.0) internal successors, (240), 11 states have internal predecessors, (240), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 174 [2025-02-06 13:53:57,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:57,002 INFO L225 Difference]: With dead ends: 428 [2025-02-06 13:53:57,002 INFO L226 Difference]: Without dead ends: 420 [2025-02-06 13:53:57,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:53:57,003 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 494 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 1183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:57,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 265 Invalid, 1183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-02-06 13:53:57,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2025-02-06 13:53:57,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2025-02-06 13:53:57,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 304 states have (on average 1.3223684210526316) internal successors, (402), 395 states have internal predecessors, (402), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-06 13:53:57,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 448 transitions. [2025-02-06 13:53:57,021 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 448 transitions. Word has length 174 [2025-02-06 13:53:57,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:57,021 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 448 transitions. [2025-02-06 13:53:57,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 24.0) internal successors, (240), 11 states have internal predecessors, (240), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-02-06 13:53:57,022 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 448 transitions. [2025-02-06 13:53:57,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2025-02-06 13:53:57,023 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:57,023 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:57,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:57,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:57,227 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:57,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:57,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1835273315, now seen corresponding path program 1 times [2025-02-06 13:53:57,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:57,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790192380] [2025-02-06 13:53:57,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:57,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:57,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-02-06 13:53:57,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-02-06 13:53:57,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:57,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:57,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1004144482] [2025-02-06 13:53:57,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:57,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:57,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:57,257 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) [2025-02-06 13:53:57,259 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 [2025-02-06 13:53:57,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-02-06 13:53:57,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-02-06 13:53:57,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:57,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:57,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-06 13:53:57,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:57,866 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 13:53:57,866 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:58,266 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 13:53:58,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:58,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790192380] [2025-02-06 13:53:58,266 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:58,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004144482] [2025-02-06 13:53:58,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004144482] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:58,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:53:58,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-06 13:53:58,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612414600] [2025-02-06 13:53:58,267 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:58,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 13:53:58,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:58,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 13:53:58,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:53:58,268 INFO L87 Difference]: Start difference. First operand 420 states and 448 transitions. Second operand has 14 states, 13 states have (on average 20.46153846153846) internal successors, (266), 14 states have internal predecessors, (266), 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) [2025-02-06 13:53:59,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:59,560 INFO L93 Difference]: Finished difference Result 494 states and 561 transitions. [2025-02-06 13:53:59,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 13:53:59,560 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 20.46153846153846) internal successors, (266), 14 states have internal predecessors, (266), 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 193 [2025-02-06 13:53:59,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:59,562 INFO L225 Difference]: With dead ends: 494 [2025-02-06 13:53:59,562 INFO L226 Difference]: Without dead ends: 454 [2025-02-06 13:53:59,562 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-02-06 13:53:59,562 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 174 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 1763 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 1783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:59,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 273 Invalid, 1783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1763 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-06 13:53:59,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2025-02-06 13:53:59,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 452. [2025-02-06 13:53:59,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 332 states have (on average 1.3975903614457832) internal successors, (464), 423 states have internal predecessors, (464), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-02-06 13:53:59,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 518 transitions. [2025-02-06 13:53:59,574 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 518 transitions. Word has length 193 [2025-02-06 13:53:59,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:59,575 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 518 transitions. [2025-02-06 13:53:59,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 20.46153846153846) internal successors, (266), 14 states have internal predecessors, (266), 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) [2025-02-06 13:53:59,575 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 518 transitions. [2025-02-06 13:53:59,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-02-06 13:53:59,576 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:59,576 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:53:59,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-06 13:53:59,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-02-06 13:53:59,776 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:59,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:59,777 INFO L85 PathProgramCache]: Analyzing trace with hash -742734459, now seen corresponding path program 1 times [2025-02-06 13:53:59,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:59,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534360508] [2025-02-06 13:53:59,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:59,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:59,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-02-06 13:53:59,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-02-06 13:53:59,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:59,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:59,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1052930639] [2025-02-06 13:53:59,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:59,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:59,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:59,804 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) [2025-02-06 13:53:59,805 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 [2025-02-06 13:53:59,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-02-06 13:53:59,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-02-06 13:53:59,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:59,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:59,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:53:59,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:59,991 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 13:53:59,991 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:00,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:00,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534360508] [2025-02-06 13:54:00,051 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:00,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052930639] [2025-02-06 13:54:00,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052930639] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:00,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:00,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 13:54:00,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188395554] [2025-02-06 13:54:00,051 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:00,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:54:00,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:00,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:54:00,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:54:00,052 INFO L87 Difference]: Start difference. First operand 452 states and 518 transitions. Second operand has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-06 13:54:00,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:00,152 INFO L93 Difference]: Finished difference Result 601 states and 630 transitions. [2025-02-06 13:54:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:54:00,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 195 [2025-02-06 13:54:00,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:00,166 INFO L225 Difference]: With dead ends: 601 [2025-02-06 13:54:00,166 INFO L226 Difference]: Without dead ends: 600 [2025-02-06 13:54:00,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:54:00,166 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 199 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:00,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 716 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:54:00,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2025-02-06 13:54:00,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 452. [2025-02-06 13:54:00,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 332 states have (on average 1.394578313253012) internal successors, (463), 423 states have internal predecessors, (463), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-02-06 13:54:00,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 517 transitions. [2025-02-06 13:54:00,179 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 517 transitions. Word has length 195 [2025-02-06 13:54:00,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:00,179 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 517 transitions. [2025-02-06 13:54:00,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-06 13:54:00,179 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 517 transitions. [2025-02-06 13:54:00,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2025-02-06 13:54:00,180 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:00,180 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:54:00,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-06 13:54:00,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-06 13:54:00,381 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:00,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:00,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1229738285, now seen corresponding path program 2 times [2025-02-06 13:54:00,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:00,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57382769] [2025-02-06 13:54:00,382 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:00,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:00,392 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 201 statements into 2 equivalence classes. [2025-02-06 13:54:00,412 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 201 of 201 statements. [2025-02-06 13:54:00,412 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:00,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:00,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1309171632] [2025-02-06 13:54:00,413 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:00,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:00,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:00,415 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) [2025-02-06 13:54:00,416 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 [2025-02-06 13:54:00,441 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 201 statements into 2 equivalence classes. [2025-02-06 13:54:00,489 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 201 of 201 statements. [2025-02-06 13:54:00,489 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:00,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:00,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:54:00,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:00,812 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 13:54:00,812 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:54:00,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:00,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57382769] [2025-02-06 13:54:00,812 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:00,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309171632] [2025-02-06 13:54:00,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309171632] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:54:00,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:54:00,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 13:54:00,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344993013] [2025-02-06 13:54:00,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:54:00,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:54:00,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:00,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:54:00,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:54:00,813 INFO L87 Difference]: Start difference. First operand 452 states and 517 transitions. Second operand has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-06 13:54:01,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:01,402 INFO L93 Difference]: Finished difference Result 452 states and 517 transitions. [2025-02-06 13:54:01,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:54:01,402 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 201 [2025-02-06 13:54:01,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:01,404 INFO L225 Difference]: With dead ends: 452 [2025-02-06 13:54:01,404 INFO L226 Difference]: Without dead ends: 442 [2025-02-06 13:54:01,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:54:01,404 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 358 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:01,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 437 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 13:54:01,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2025-02-06 13:54:01,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2025-02-06 13:54:01,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 332 states have (on average 1.3524096385542168) internal successors, (449), 413 states have internal predecessors, (449), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-02-06 13:54:01,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 503 transitions. [2025-02-06 13:54:01,433 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 503 transitions. Word has length 201 [2025-02-06 13:54:01,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:01,433 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 503 transitions. [2025-02-06 13:54:01,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-06 13:54:01,433 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 503 transitions. [2025-02-06 13:54:01,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-02-06 13:54:01,434 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:01,434 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:54:01,440 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 [2025-02-06 13:54:01,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-06 13:54:01,635 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:01,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:01,635 INFO L85 PathProgramCache]: Analyzing trace with hash -532818610, now seen corresponding path program 2 times [2025-02-06 13:54:01,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:01,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997974196] [2025-02-06 13:54:01,640 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:01,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:01,647 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 202 statements into 2 equivalence classes. [2025-02-06 13:54:01,675 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-02-06 13:54:01,676 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:01,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:01,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1583126296] [2025-02-06 13:54:01,676 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:01,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:01,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:01,681 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) [2025-02-06 13:54:01,682 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 [2025-02-06 13:54:01,710 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 202 statements into 2 equivalence classes. [2025-02-06 13:54:01,738 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-02-06 13:54:01,738 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:01,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:01,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-06 13:54:01,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:02,255 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 13:54:02,255 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:02,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:02,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997974196] [2025-02-06 13:54:02,547 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:02,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583126296] [2025-02-06 13:54:02,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583126296] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:02,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:02,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 13:54:02,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256746909] [2025-02-06 13:54:02,548 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:02,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:54:02,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:02,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:54:02,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:54:02,549 INFO L87 Difference]: Start difference. First operand 442 states and 503 transitions. Second operand has 9 states, 8 states have (on average 17.5) internal successors, (140), 9 states have internal predecessors, (140), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-06 13:54:03,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:03,408 INFO L93 Difference]: Finished difference Result 537 states and 617 transitions. [2025-02-06 13:54:03,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:54:03,408 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.5) internal successors, (140), 9 states have internal predecessors, (140), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 202 [2025-02-06 13:54:03,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:03,410 INFO L225 Difference]: With dead ends: 537 [2025-02-06 13:54:03,410 INFO L226 Difference]: Without dead ends: 514 [2025-02-06 13:54:03,410 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:54:03,411 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 121 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 1976 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 1998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:03,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 498 Invalid, 1998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1976 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 13:54:03,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2025-02-06 13:54:03,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 506. [2025-02-06 13:54:03,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 393 states have (on average 1.340966921119593) internal successors, (527), 474 states have internal predecessors, (527), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 13:54:03,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 587 transitions. [2025-02-06 13:54:03,424 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 587 transitions. Word has length 202 [2025-02-06 13:54:03,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:03,425 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 587 transitions. [2025-02-06 13:54:03,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.5) internal successors, (140), 9 states have internal predecessors, (140), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-06 13:54:03,425 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 587 transitions. [2025-02-06 13:54:03,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2025-02-06 13:54:03,425 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:03,426 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:54:03,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-02-06 13:54:03,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-06 13:54:03,631 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:03,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:03,632 INFO L85 PathProgramCache]: Analyzing trace with hash 662492491, now seen corresponding path program 2 times [2025-02-06 13:54:03,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:03,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879656163] [2025-02-06 13:54:03,632 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:03,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:03,638 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 203 statements into 2 equivalence classes. [2025-02-06 13:54:03,645 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 203 of 203 statements. [2025-02-06 13:54:03,645 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:03,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:03,756 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 13:54:03,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:03,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879656163] [2025-02-06 13:54:03,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879656163] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:03,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602693473] [2025-02-06 13:54:03,756 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:03,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:03,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:03,759 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) [2025-02-06 13:54:03,760 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 [2025-02-06 13:54:03,790 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 203 statements into 2 equivalence classes. [2025-02-06 13:54:03,816 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 203 of 203 statements. [2025-02-06 13:54:03,816 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:03,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:03,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:54:03,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:04,149 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 13:54:04,149 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:04,349 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 13:54:04,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602693473] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:04,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:54:04,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-06 13:54:04,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304266972] [2025-02-06 13:54:04,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:04,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 13:54:04,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:04,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 13:54:04,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:54:04,351 INFO L87 Difference]: Start difference. First operand 506 states and 587 transitions. Second operand has 13 states, 12 states have (on average 32.083333333333336) internal successors, (385), 13 states have internal predecessors, (385), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-02-06 13:54:05,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:05,500 INFO L93 Difference]: Finished difference Result 506 states and 587 transitions. [2025-02-06 13:54:05,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:54:05,500 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 32.083333333333336) internal successors, (385), 13 states have internal predecessors, (385), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 203 [2025-02-06 13:54:05,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:05,502 INFO L225 Difference]: With dead ends: 506 [2025-02-06 13:54:05,502 INFO L226 Difference]: Without dead ends: 502 [2025-02-06 13:54:05,502 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2025-02-06 13:54:05,503 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 532 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 1367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:05,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 574 Invalid, 1367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-06 13:54:05,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2025-02-06 13:54:05,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 502. [2025-02-06 13:54:05,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 393 states have (on average 1.3206106870229009) internal successors, (519), 470 states have internal predecessors, (519), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 13:54:05,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 579 transitions. [2025-02-06 13:54:05,536 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 579 transitions. Word has length 203 [2025-02-06 13:54:05,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:05,537 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 579 transitions. [2025-02-06 13:54:05,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.083333333333336) internal successors, (385), 13 states have internal predecessors, (385), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-02-06 13:54:05,537 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 579 transitions. [2025-02-06 13:54:05,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2025-02-06 13:54:05,541 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:05,541 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:54:05,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-06 13:54:05,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:05,742 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:05,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:05,743 INFO L85 PathProgramCache]: Analyzing trace with hash -937569044, now seen corresponding path program 2 times [2025-02-06 13:54:05,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:05,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543330217] [2025-02-06 13:54:05,743 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:05,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:05,760 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 204 statements into 2 equivalence classes. [2025-02-06 13:54:05,773 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 204 of 204 statements. [2025-02-06 13:54:05,776 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:05,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:05,897 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 13:54:05,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:05,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543330217] [2025-02-06 13:54:05,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543330217] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:05,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108824437] [2025-02-06 13:54:05,898 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:05,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:05,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:05,900 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) [2025-02-06 13:54:05,903 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 [2025-02-06 13:54:05,930 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 204 statements into 2 equivalence classes. [2025-02-06 13:54:05,955 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 204 of 204 statements. [2025-02-06 13:54:05,956 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:05,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:05,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:54:05,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:06,366 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 13:54:06,367 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:06,558 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 13:54:06,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108824437] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:06,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:54:06,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-06 13:54:06,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941599702] [2025-02-06 13:54:06,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:06,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 13:54:06,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:06,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 13:54:06,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:54:06,561 INFO L87 Difference]: Start difference. First operand 502 states and 579 transitions. Second operand has 13 states, 12 states have (on average 32.25) internal successors, (387), 13 states have internal predecessors, (387), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-02-06 13:54:07,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:07,307 INFO L93 Difference]: Finished difference Result 557 states and 622 transitions. [2025-02-06 13:54:07,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:54:07,308 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 32.25) internal successors, (387), 13 states have internal predecessors, (387), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 204 [2025-02-06 13:54:07,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:07,309 INFO L225 Difference]: With dead ends: 557 [2025-02-06 13:54:07,310 INFO L226 Difference]: Without dead ends: 555 [2025-02-06 13:54:07,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:54:07,310 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 523 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:07,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 674 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1302 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 13:54:07,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2025-02-06 13:54:07,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 530. [2025-02-06 13:54:07,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 418 states have (on average 1.30622009569378) internal successors, (546), 495 states have internal predecessors, (546), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-06 13:54:07,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 612 transitions. [2025-02-06 13:54:07,329 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 612 transitions. Word has length 204 [2025-02-06 13:54:07,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:07,330 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 612 transitions. [2025-02-06 13:54:07,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.25) internal successors, (387), 13 states have internal predecessors, (387), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-02-06 13:54:07,330 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 612 transitions. [2025-02-06 13:54:07,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2025-02-06 13:54:07,331 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:07,331 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:54:07,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-02-06 13:54:07,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:07,532 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:07,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:07,532 INFO L85 PathProgramCache]: Analyzing trace with hash 939287690, now seen corresponding path program 1 times [2025-02-06 13:54:07,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:07,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205636169] [2025-02-06 13:54:07,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:07,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:07,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 206 statements into 1 equivalence classes. [2025-02-06 13:54:07,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 206 of 206 statements. [2025-02-06 13:54:07,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:07,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:07,669 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 13:54:07,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:07,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205636169] [2025-02-06 13:54:07,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205636169] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:07,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745897957] [2025-02-06 13:54:07,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:07,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:07,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:07,674 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) [2025-02-06 13:54:07,679 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 [2025-02-06 13:54:07,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 206 statements into 1 equivalence classes. [2025-02-06 13:54:07,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 206 of 206 statements. [2025-02-06 13:54:07,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:07,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:07,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:54:07,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 13:54:08,097 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:08,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745897957] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:08,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:54:08,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-06 13:54:08,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836961749] [2025-02-06 13:54:08,160 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:08,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:54:08,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:08,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:54:08,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:54:08,161 INFO L87 Difference]: Start difference. First operand 530 states and 612 transitions. Second operand has 11 states, 10 states have (on average 25.8) internal successors, (258), 11 states have internal predecessors, (258), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2025-02-06 13:54:10,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:10,196 INFO L93 Difference]: Finished difference Result 530 states and 612 transitions. [2025-02-06 13:54:10,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 13:54:10,196 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.8) internal successors, (258), 11 states have internal predecessors, (258), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 206 [2025-02-06 13:54:10,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:10,198 INFO L225 Difference]: With dead ends: 530 [2025-02-06 13:54:10,198 INFO L226 Difference]: Without dead ends: 516 [2025-02-06 13:54:10,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2025-02-06 13:54:10,198 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 693 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:10,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 617 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-02-06 13:54:10,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2025-02-06 13:54:10,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 512. [2025-02-06 13:54:10,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 414 states have (on average 1.2632850241545894) internal successors, (523), 477 states have internal predecessors, (523), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-06 13:54:10,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 589 transitions. [2025-02-06 13:54:10,224 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 589 transitions. Word has length 206 [2025-02-06 13:54:10,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:10,224 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 589 transitions. [2025-02-06 13:54:10,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.8) internal successors, (258), 11 states have internal predecessors, (258), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2025-02-06 13:54:10,225 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 589 transitions. [2025-02-06 13:54:10,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2025-02-06 13:54:10,226 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:10,226 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, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:54:10,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-06 13:54:10,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:10,427 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:10,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:10,428 INFO L85 PathProgramCache]: Analyzing trace with hash 607846821, now seen corresponding path program 1 times [2025-02-06 13:54:10,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:10,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713709219] [2025-02-06 13:54:10,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:10,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:10,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-02-06 13:54:10,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-02-06 13:54:10,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:10,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:10,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [840033197] [2025-02-06 13:54:10,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:10,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:10,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:10,451 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) [2025-02-06 13:54:10,452 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 [2025-02-06 13:54:10,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-02-06 13:54:10,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-02-06 13:54:10,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:10,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:10,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 13:54:10,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:11,029 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 13:54:11,029 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:11,413 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 13:54:11,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:11,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713709219] [2025-02-06 13:54:11,414 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:11,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840033197] [2025-02-06 13:54:11,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840033197] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:11,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:54:11,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-06 13:54:11,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596130427] [2025-02-06 13:54:11,414 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:11,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 13:54:11,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:11,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 13:54:11,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:54:11,415 INFO L87 Difference]: Start difference. First operand 512 states and 589 transitions. Second operand has 16 states, 15 states have (on average 19.2) internal successors, (288), 16 states have internal predecessors, (288), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-02-06 13:54:14,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:14,411 INFO L93 Difference]: Finished difference Result 816 states and 995 transitions. [2025-02-06 13:54:14,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-06 13:54:14,412 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 19.2) internal successors, (288), 16 states have internal predecessors, (288), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 209 [2025-02-06 13:54:14,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:14,416 INFO L225 Difference]: With dead ends: 816 [2025-02-06 13:54:14,416 INFO L226 Difference]: Without dead ends: 731 [2025-02-06 13:54:14,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2025-02-06 13:54:14,417 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 887 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 2814 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 901 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 2918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 2814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:14,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [901 Valid, 1062 Invalid, 2918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 2814 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2025-02-06 13:54:14,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2025-02-06 13:54:14,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 530. [2025-02-06 13:54:14,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 431 states have (on average 1.2389791183294663) internal successors, (534), 493 states have internal predecessors, (534), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-06 13:54:14,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 604 transitions. [2025-02-06 13:54:14,437 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 604 transitions. Word has length 209 [2025-02-06 13:54:14,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:14,437 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 604 transitions. [2025-02-06 13:54:14,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 19.2) internal successors, (288), 16 states have internal predecessors, (288), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-02-06 13:54:14,437 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 604 transitions. [2025-02-06 13:54:14,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2025-02-06 13:54:14,438 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:14,438 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2025-02-06 13:54:14,446 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 [2025-02-06 13:54:14,638 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,SelfDestructingSolverStorable32 [2025-02-06 13:54:14,639 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:14,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:14,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1263557332, now seen corresponding path program 1 times [2025-02-06 13:54:14,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:14,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457470708] [2025-02-06 13:54:14,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:14,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:14,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 247 statements into 1 equivalence classes. [2025-02-06 13:54:14,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 247 of 247 statements. [2025-02-06 13:54:14,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:14,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:14,686 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2025-02-06 13:54:14,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:14,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457470708] [2025-02-06 13:54:14,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457470708] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:54:14,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:54:14,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:54:14,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315914028] [2025-02-06 13:54:14,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:54:14,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:54:14,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:14,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:54:14,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:54:14,691 INFO L87 Difference]: Start difference. First operand 530 states and 604 transitions. Second operand has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:54:14,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:14,837 INFO L93 Difference]: Finished difference Result 530 states and 604 transitions. [2025-02-06 13:54:14,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:54:14,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 247 [2025-02-06 13:54:14,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:14,839 INFO L225 Difference]: With dead ends: 530 [2025-02-06 13:54:14,839 INFO L226 Difference]: Without dead ends: 529 [2025-02-06 13:54:14,839 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 [2025-02-06 13:54:14,840 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 122 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:14,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 147 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:54:14,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2025-02-06 13:54:14,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 529. [2025-02-06 13:54:14,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 431 states have (on average 1.2320185614849188) internal successors, (531), 492 states have internal predecessors, (531), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-06 13:54:14,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 601 transitions. [2025-02-06 13:54:14,857 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 601 transitions. Word has length 247 [2025-02-06 13:54:14,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:14,857 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 601 transitions. [2025-02-06 13:54:14,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:54:14,858 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 601 transitions. [2025-02-06 13:54:14,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2025-02-06 13:54:14,859 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:14,859 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:14,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-02-06 13:54:14,859 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:14,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:14,859 INFO L85 PathProgramCache]: Analyzing trace with hash 540819892, now seen corresponding path program 2 times [2025-02-06 13:54:14,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:14,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005768583] [2025-02-06 13:54:14,859 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:14,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:14,866 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 251 statements into 2 equivalence classes. [2025-02-06 13:54:14,880 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 251 of 251 statements. [2025-02-06 13:54:14,880 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:14,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:14,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1482814753] [2025-02-06 13:54:14,881 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:14,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:14,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:14,883 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) [2025-02-06 13:54:14,885 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 [2025-02-06 13:54:14,910 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 251 statements into 2 equivalence classes. [2025-02-06 13:54:14,940 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 251 of 251 statements. [2025-02-06 13:54:14,940 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:14,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:14,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:54:14,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:15,519 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-06 13:54:15,519 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:16,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:16,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005768583] [2025-02-06 13:54:16,202 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:16,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482814753] [2025-02-06 13:54:16,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482814753] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:16,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:16,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:54:16,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518819404] [2025-02-06 13:54:16,202 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:16,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:54:16,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:16,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:54:16,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:54:16,204 INFO L87 Difference]: Start difference. First operand 529 states and 601 transitions. Second operand has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-02-06 13:54:17,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:17,046 INFO L93 Difference]: Finished difference Result 529 states and 601 transitions. [2025-02-06 13:54:17,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:54:17,046 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 251 [2025-02-06 13:54:17,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:17,048 INFO L225 Difference]: With dead ends: 529 [2025-02-06 13:54:17,048 INFO L226 Difference]: Without dead ends: 526 [2025-02-06 13:54:17,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:54:17,049 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 553 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:17,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 159 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1114 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 13:54:17,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2025-02-06 13:54:17,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2025-02-06 13:54:17,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 431 states have (on average 1.2180974477958237) internal successors, (525), 489 states have internal predecessors, (525), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-06 13:54:17,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 595 transitions. [2025-02-06 13:54:17,080 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 595 transitions. Word has length 251 [2025-02-06 13:54:17,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:17,081 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 595 transitions. [2025-02-06 13:54:17,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-02-06 13:54:17,081 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 595 transitions. [2025-02-06 13:54:17,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2025-02-06 13:54:17,082 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:17,082 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:17,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-06 13:54:17,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-06 13:54:17,282 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:17,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:17,283 INFO L85 PathProgramCache]: Analyzing trace with hash -414452402, now seen corresponding path program 2 times [2025-02-06 13:54:17,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:17,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622584291] [2025-02-06 13:54:17,283 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:17,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:17,294 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-02-06 13:54:17,319 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-02-06 13:54:17,319 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:17,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:17,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1397091203] [2025-02-06 13:54:17,320 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:17,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:17,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:17,323 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) [2025-02-06 13:54:17,329 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 [2025-02-06 13:54:17,358 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-02-06 13:54:17,392 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-02-06 13:54:17,392 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:17,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:17,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-06 13:54:17,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-06 13:54:18,119 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:18,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:18,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622584291] [2025-02-06 13:54:18,685 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:18,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397091203] [2025-02-06 13:54:18,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397091203] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:18,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:18,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-06 13:54:18,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139093375] [2025-02-06 13:54:18,687 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:18,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:54:18,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:18,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:54:18,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2025-02-06 13:54:18,689 INFO L87 Difference]: Start difference. First operand 526 states and 595 transitions. Second operand has 10 states, 9 states have (on average 19.444444444444443) internal successors, (175), 10 states have internal predecessors, (175), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 13:54:19,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:19,440 INFO L93 Difference]: Finished difference Result 527 states and 595 transitions. [2025-02-06 13:54:19,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:54:19,440 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.444444444444443) internal successors, (175), 10 states have internal predecessors, (175), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 252 [2025-02-06 13:54:19,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:19,444 INFO L225 Difference]: With dead ends: 527 [2025-02-06 13:54:19,444 INFO L226 Difference]: Without dead ends: 526 [2025-02-06 13:54:19,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:54:19,444 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 58 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 2024 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 2027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:19,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 596 Invalid, 2027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2024 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 13:54:19,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2025-02-06 13:54:19,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2025-02-06 13:54:19,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 431 states have (on average 1.2157772621809744) internal successors, (524), 489 states have internal predecessors, (524), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-06 13:54:19,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 594 transitions. [2025-02-06 13:54:19,476 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 594 transitions. Word has length 252 [2025-02-06 13:54:19,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:19,476 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 594 transitions. [2025-02-06 13:54:19,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.444444444444443) internal successors, (175), 10 states have internal predecessors, (175), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 13:54:19,476 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 594 transitions. [2025-02-06 13:54:19,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2025-02-06 13:54:19,477 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:19,477 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:19,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-06 13:54:19,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-02-06 13:54:19,678 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:19,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:19,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1079595056, now seen corresponding path program 2 times [2025-02-06 13:54:19,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:19,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872838894] [2025-02-06 13:54:19,678 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:19,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:19,684 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 255 statements into 2 equivalence classes. [2025-02-06 13:54:19,699 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 255 of 255 statements. [2025-02-06 13:54:19,699 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:19,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:19,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [597309319] [2025-02-06 13:54:19,700 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:19,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:19,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:19,702 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) [2025-02-06 13:54:19,703 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 [2025-02-06 13:54:19,755 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 255 statements into 2 equivalence classes. [2025-02-06 13:54:19,807 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 255 of 255 statements. [2025-02-06 13:54:19,807 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:19,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:19,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 13:54:19,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:20,401 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-06 13:54:20,401 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:20,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:20,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872838894] [2025-02-06 13:54:20,564 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:20,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597309319] [2025-02-06 13:54:20,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597309319] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:20,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:20,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 13:54:20,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769304774] [2025-02-06 13:54:20,565 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:20,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:54:20,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:20,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:54:20,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:54:20,566 INFO L87 Difference]: Start difference. First operand 526 states and 594 transitions. Second operand has 9 states, 8 states have (on average 22.25) internal successors, (178), 9 states have internal predecessors, (178), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-02-06 13:54:21,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:21,988 INFO L93 Difference]: Finished difference Result 526 states and 594 transitions. [2025-02-06 13:54:21,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 13:54:21,989 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 22.25) internal successors, (178), 9 states have internal predecessors, (178), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 255 [2025-02-06 13:54:21,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:21,990 INFO L225 Difference]: With dead ends: 526 [2025-02-06 13:54:21,991 INFO L226 Difference]: Without dead ends: 524 [2025-02-06 13:54:21,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2025-02-06 13:54:21,992 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 549 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 1335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:21,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 186 Invalid, 1335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1292 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-06 13:54:21,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2025-02-06 13:54:22,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2025-02-06 13:54:22,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 431 states have (on average 1.2064965197215778) internal successors, (520), 487 states have internal predecessors, (520), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-06 13:54:22,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 590 transitions. [2025-02-06 13:54:22,020 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 590 transitions. Word has length 255 [2025-02-06 13:54:22,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:22,020 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 590 transitions. [2025-02-06 13:54:22,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 22.25) internal successors, (178), 9 states have internal predecessors, (178), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-02-06 13:54:22,020 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 590 transitions. [2025-02-06 13:54:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2025-02-06 13:54:22,021 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:22,021 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:22,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-06 13:54:22,222 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,SelfDestructingSolverStorable36 [2025-02-06 13:54:22,222 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:22,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:22,222 INFO L85 PathProgramCache]: Analyzing trace with hash -892291510, now seen corresponding path program 1 times [2025-02-06 13:54:22,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:22,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256629647] [2025-02-06 13:54:22,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:22,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:22,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 256 statements into 1 equivalence classes. [2025-02-06 13:54:22,253 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 256 of 256 statements. [2025-02-06 13:54:22,256 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:22,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:22,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2103182786] [2025-02-06 13:54:22,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:22,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:22,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:22,263 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) [2025-02-06 13:54:22,264 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 [2025-02-06 13:54:22,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 256 statements into 1 equivalence classes. [2025-02-06 13:54:22,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 256 of 256 statements. [2025-02-06 13:54:22,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:22,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:22,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 13:54:22,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-06 13:54:23,116 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:23,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:23,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256629647] [2025-02-06 13:54:23,221 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:23,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103182786] [2025-02-06 13:54:23,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103182786] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:23,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:23,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-06 13:54:23,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402795006] [2025-02-06 13:54:23,222 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:23,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:54:23,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:23,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:54:23,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:54:23,222 INFO L87 Difference]: Start difference. First operand 524 states and 590 transitions. Second operand has 11 states, 10 states have (on average 17.9) internal successors, (179), 11 states have internal predecessors, (179), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 13:54:24,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:24,278 INFO L93 Difference]: Finished difference Result 528 states and 590 transitions. [2025-02-06 13:54:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 13:54:24,279 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.9) internal successors, (179), 11 states have internal predecessors, (179), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 256 [2025-02-06 13:54:24,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:24,280 INFO L225 Difference]: With dead ends: 528 [2025-02-06 13:54:24,280 INFO L226 Difference]: Without dead ends: 524 [2025-02-06 13:54:24,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:54:24,281 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 54 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 2703 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 2709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:24,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 510 Invalid, 2709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2703 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-06 13:54:24,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2025-02-06 13:54:24,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2025-02-06 13:54:24,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 431 states have (on average 1.197215777262181) internal successors, (516), 487 states have internal predecessors, (516), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-06 13:54:24,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 586 transitions. [2025-02-06 13:54:24,298 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 586 transitions. Word has length 256 [2025-02-06 13:54:24,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:24,298 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 586 transitions. [2025-02-06 13:54:24,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.9) internal successors, (179), 11 states have internal predecessors, (179), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 13:54:24,298 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 586 transitions. [2025-02-06 13:54:24,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2025-02-06 13:54:24,299 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:24,299 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2025-02-06 13:54:24,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-02-06 13:54:24,503 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,SelfDestructingSolverStorable37 [2025-02-06 13:54:24,504 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:24,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:24,504 INFO L85 PathProgramCache]: Analyzing trace with hash -301709145, now seen corresponding path program 1 times [2025-02-06 13:54:24,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:24,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267301130] [2025-02-06 13:54:24,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:24,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:24,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 265 statements into 1 equivalence classes. [2025-02-06 13:54:24,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 265 of 265 statements. [2025-02-06 13:54:24,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:24,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:24,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [555671815] [2025-02-06 13:54:24,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:24,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:24,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:24,527 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) [2025-02-06 13:54:24,534 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 [2025-02-06 13:54:24,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 265 statements into 1 equivalence classes. [2025-02-06 13:54:24,596 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 265 of 265 statements. [2025-02-06 13:54:24,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:24,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:24,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:54:24,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:24,747 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-06 13:54:24,747 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:25,026 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-06 13:54:25,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:25,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267301130] [2025-02-06 13:54:25,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:25,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555671815] [2025-02-06 13:54:25,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555671815] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:25,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:54:25,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-06 13:54:25,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068212255] [2025-02-06 13:54:25,028 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:25,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:54:25,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:25,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:54:25,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:54:25,030 INFO L87 Difference]: Start difference. First operand 524 states and 586 transitions. Second operand has 10 states, 9 states have (on average 41.111111111111114) internal successors, (370), 10 states have internal predecessors, (370), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-02-06 13:54:25,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:25,310 INFO L93 Difference]: Finished difference Result 672 states and 717 transitions. [2025-02-06 13:54:25,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:54:25,310 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 41.111111111111114) internal successors, (370), 10 states have internal predecessors, (370), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) Word has length 265 [2025-02-06 13:54:25,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:25,312 INFO L225 Difference]: With dead ends: 672 [2025-02-06 13:54:25,312 INFO L226 Difference]: Without dead ends: 670 [2025-02-06 13:54:25,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:54:25,313 INFO L435 NwaCegarLoop]: 361 mSDtfsCounter, 1202 mSDsluCounter, 1170 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:25,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 1531 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:54:25,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2025-02-06 13:54:25,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 523. [2025-02-06 13:54:25,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 431 states have (on average 1.1879350348027842) internal successors, (512), 486 states have internal predecessors, (512), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-06 13:54:25,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 582 transitions. [2025-02-06 13:54:25,333 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 582 transitions. Word has length 265 [2025-02-06 13:54:25,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:25,333 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 582 transitions. [2025-02-06 13:54:25,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 41.111111111111114) internal successors, (370), 10 states have internal predecessors, (370), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-02-06 13:54:25,334 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 582 transitions. [2025-02-06 13:54:25,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2025-02-06 13:54:25,335 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:25,335 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:25,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-02-06 13:54:25,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-02-06 13:54:25,539 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:25,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:25,540 INFO L85 PathProgramCache]: Analyzing trace with hash -664372459, now seen corresponding path program 1 times [2025-02-06 13:54:25,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:25,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476527819] [2025-02-06 13:54:25,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:25,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:25,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-02-06 13:54:25,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-02-06 13:54:25,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:25,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:25,793 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-06 13:54:25,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:25,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476527819] [2025-02-06 13:54:25,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476527819] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:25,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260825225] [2025-02-06 13:54:25,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:25,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:25,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:25,796 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) [2025-02-06 13:54:25,805 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 [2025-02-06 13:54:25,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-02-06 13:54:25,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-02-06 13:54:25,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:25,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:25,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:54:25,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:26,506 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 53 proven. 114 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-06 13:54:26,506 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:26,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260825225] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:26,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:54:26,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-06 13:54:26,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750584928] [2025-02-06 13:54:26,584 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:26,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 13:54:26,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:26,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 13:54:26,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2025-02-06 13:54:26,585 INFO L87 Difference]: Start difference. First operand 523 states and 582 transitions. Second operand has 16 states, 15 states have (on average 25.333333333333332) internal successors, (380), 16 states have internal predecessors, (380), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-02-06 13:54:28,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:28,421 INFO L93 Difference]: Finished difference Result 523 states and 582 transitions. [2025-02-06 13:54:28,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 13:54:28,421 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 25.333333333333332) internal successors, (380), 16 states have internal predecessors, (380), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 275 [2025-02-06 13:54:28,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:28,427 INFO L225 Difference]: With dead ends: 523 [2025-02-06 13:54:28,427 INFO L226 Difference]: Without dead ends: 521 [2025-02-06 13:54:28,427 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2025-02-06 13:54:28,428 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 655 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 2319 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 2366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:28,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 417 Invalid, 2366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2319 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-02-06 13:54:28,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2025-02-06 13:54:28,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 521. [2025-02-06 13:54:28,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 431 states have (on average 1.1809744779582367) internal successors, (509), 484 states have internal predecessors, (509), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-06 13:54:28,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 579 transitions. [2025-02-06 13:54:28,446 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 579 transitions. Word has length 275 [2025-02-06 13:54:28,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:28,446 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 579 transitions. [2025-02-06 13:54:28,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 25.333333333333332) internal successors, (380), 16 states have internal predecessors, (380), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-02-06 13:54:28,447 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 579 transitions. [2025-02-06 13:54:28,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2025-02-06 13:54:28,448 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:28,448 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2025-02-06 13:54:28,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-06 13:54:28,651 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,SelfDestructingSolverStorable39 [2025-02-06 13:54:28,652 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:28,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:28,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1110535804, now seen corresponding path program 1 times [2025-02-06 13:54:28,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:28,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754686460] [2025-02-06 13:54:28,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:28,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:28,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 278 statements into 1 equivalence classes. [2025-02-06 13:54:28,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 278 of 278 statements. [2025-02-06 13:54:28,665 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:28,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:28,749 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-06 13:54:28,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:28,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754686460] [2025-02-06 13:54:28,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754686460] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:54:28,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:54:28,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:54:28,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578629986] [2025-02-06 13:54:28,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:54:28,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:54:28,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:28,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:54:28,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:54:28,751 INFO L87 Difference]: Start difference. First operand 521 states and 579 transitions. Second operand has 6 states, 5 states have (on average 39.2) internal successors, (196), 6 states have internal predecessors, (196), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-02-06 13:54:29,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:29,183 INFO L93 Difference]: Finished difference Result 521 states and 579 transitions. [2025-02-06 13:54:29,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:54:29,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 39.2) internal successors, (196), 6 states have internal predecessors, (196), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 278 [2025-02-06 13:54:29,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:29,185 INFO L225 Difference]: With dead ends: 521 [2025-02-06 13:54:29,185 INFO L226 Difference]: Without dead ends: 519 [2025-02-06 13:54:29,185 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:54:29,186 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 185 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:29,186 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 362 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:54:29,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2025-02-06 13:54:29,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2025-02-06 13:54:29,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 431 states have (on average 1.17169373549884) internal successors, (505), 482 states have internal predecessors, (505), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-06 13:54:29,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 575 transitions. [2025-02-06 13:54:29,204 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 575 transitions. Word has length 278 [2025-02-06 13:54:29,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:29,204 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 575 transitions. [2025-02-06 13:54:29,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 39.2) internal successors, (196), 6 states have internal predecessors, (196), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-02-06 13:54:29,205 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 575 transitions. [2025-02-06 13:54:29,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2025-02-06 13:54:29,206 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:29,206 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:29,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2025-02-06 13:54:29,206 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:29,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:29,208 INFO L85 PathProgramCache]: Analyzing trace with hash -66871471, now seen corresponding path program 1 times [2025-02-06 13:54:29,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:29,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661971288] [2025-02-06 13:54:29,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:29,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:29,215 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 279 statements into 1 equivalence classes. [2025-02-06 13:54:29,222 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 279 of 279 statements. [2025-02-06 13:54:29,222 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:29,222 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:29,392 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-06 13:54:29,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:29,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661971288] [2025-02-06 13:54:29,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661971288] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:29,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338678950] [2025-02-06 13:54:29,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:29,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:29,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:29,394 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) [2025-02-06 13:54:29,396 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 [2025-02-06 13:54:29,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 279 statements into 1 equivalence classes. [2025-02-06 13:54:29,454 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 279 of 279 statements. [2025-02-06 13:54:29,454 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:29,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:29,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:54:29,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:30,004 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-06 13:54:30,004 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:31,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338678950] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:31,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:54:31,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-06 13:54:31,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454465296] [2025-02-06 13:54:31,013 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:31,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 13:54:31,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:31,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 13:54:31,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2025-02-06 13:54:31,015 INFO L87 Difference]: Start difference. First operand 519 states and 575 transitions. Second operand has 16 states, 15 states have (on average 25.866666666666667) internal successors, (388), 16 states have internal predecessors, (388), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-02-06 13:54:32,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:32,940 INFO L93 Difference]: Finished difference Result 519 states and 575 transitions. [2025-02-06 13:54:32,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:54:32,941 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 25.866666666666667) internal successors, (388), 16 states have internal predecessors, (388), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 279 [2025-02-06 13:54:32,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:32,942 INFO L225 Difference]: With dead ends: 519 [2025-02-06 13:54:32,942 INFO L226 Difference]: Without dead ends: 483 [2025-02-06 13:54:32,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=188, Invalid=742, Unknown=0, NotChecked=0, Total=930 [2025-02-06 13:54:32,943 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 887 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 2020 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 887 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 2091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 2020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:32,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [887 Valid, 358 Invalid, 2091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 2020 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-02-06 13:54:32,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2025-02-06 13:54:32,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2025-02-06 13:54:32,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 399 states have (on average 1.1754385964912282) internal successors, (469), 448 states have internal predecessors, (469), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-06 13:54:32,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 535 transitions. [2025-02-06 13:54:32,973 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 535 transitions. Word has length 279 [2025-02-06 13:54:32,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:32,973 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 535 transitions. [2025-02-06 13:54:32,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 25.866666666666667) internal successors, (388), 16 states have internal predecessors, (388), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-02-06 13:54:32,974 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 535 transitions. [2025-02-06 13:54:32,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2025-02-06 13:54:32,974 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:32,974 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2025-02-06 13:54:32,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-02-06 13:54:33,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:33,175 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:33,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:33,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1837779715, now seen corresponding path program 3 times [2025-02-06 13:54:33,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:33,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817924482] [2025-02-06 13:54:33,176 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:54:33,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:33,182 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 283 statements into 8 equivalence classes. [2025-02-06 13:54:33,201 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 283 of 283 statements. [2025-02-06 13:54:33,201 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-02-06 13:54:33,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:33,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1509856681] [2025-02-06 13:54:33,202 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:54:33,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:33,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:33,206 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) [2025-02-06 13:54:33,208 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 [2025-02-06 13:54:33,238 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 283 statements into 8 equivalence classes. [2025-02-06 13:54:33,266 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 95 of 283 statements. [2025-02-06 13:54:33,266 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-06 13:54:33,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:33,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-02-06 13:54:33,271 INFO L279 TraceCheckSpWp]: Computing forward predicates...