./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/cohencu-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/cohencu-ll.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 bf57d72e341b105161cbeacf29e58db93d2b67f8e0e097e4dbed74551cbdcfff --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:14:47,348 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:14:47,382 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:14:47,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:14:47,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:14:47,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:14:47,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:14:47,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:14:47,401 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:14:47,401 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:14:47,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:14:47,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:14:47,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:14:47,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:14:47,401 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:14:47,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:14:47,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:14:47,402 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:14:47,402 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:14:47,402 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:14:47,402 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:14:47,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:14:47,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:14:47,402 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:14:47,402 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:14:47,402 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:14:47,402 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:14:47,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:14:47,402 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:14:47,402 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:14:47,402 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:14:47,402 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:14:47,402 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:14:47,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:14:47,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:14:47,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:14:47,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:14:47,403 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:14:47,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:14:47,403 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:14:47,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:14:47,403 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:14:47,403 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:14:47,403 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:14:47,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:14:47,403 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 -> bf57d72e341b105161cbeacf29e58db93d2b67f8e0e097e4dbed74551cbdcfff [2025-02-08 09:14:47,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:14:47,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:14:47,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:14:47,658 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:14:47,658 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:14:47,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/cohencu-ll.c [2025-02-08 09:14:48,777 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d6972468f/91388e94938f476383950cf4fba5fc1c/FLAGf34658305 [2025-02-08 09:14:48,983 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:14:48,984 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohencu-ll.c [2025-02-08 09:14:48,989 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d6972468f/91388e94938f476383950cf4fba5fc1c/FLAGf34658305 [2025-02-08 09:14:49,014 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d6972468f/91388e94938f476383950cf4fba5fc1c [2025-02-08 09:14:49,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:14:49,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:14:49,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:14:49,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:14:49,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:14:49,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:14:49" (1/1) ... [2025-02-08 09:14:49,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7729889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:14:49, skipping insertion in model container [2025-02-08 09:14:49,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:14:49" (1/1) ... [2025-02-08 09:14:49,042 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:14:49,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:14:49,186 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:14:49,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:14:49,230 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:14:49,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:14:49 WrapperNode [2025-02-08 09:14:49,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:14:49,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:14:49,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:14:49,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:14:49,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:14:49" (1/1) ... [2025-02-08 09:14:49,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:14:49" (1/1) ... [2025-02-08 09:14:49,271 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 185 [2025-02-08 09:14:49,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:14:49,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:14:49,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:14:49,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:14:49,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:14:49" (1/1) ... [2025-02-08 09:14:49,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:14:49" (1/1) ... [2025-02-08 09:14:49,282 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:14:49" (1/1) ... [2025-02-08 09:14:49,302 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 09:14:49,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:14:49" (1/1) ... [2025-02-08 09:14:49,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:14:49" (1/1) ... [2025-02-08 09:14:49,305 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:14:49" (1/1) ... [2025-02-08 09:14:49,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:14:49" (1/1) ... [2025-02-08 09:14:49,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:14:49" (1/1) ... [2025-02-08 09:14:49,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:14:49" (1/1) ... [2025-02-08 09:14:49,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:14:49,314 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:14:49,314 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:14:49,314 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:14:49,315 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:14:49" (1/1) ... [2025-02-08 09:14:49,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:14:49,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:14:49,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 09:14:49,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 09:14:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:14:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:14:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:14:49,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:14:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:14:49,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:14:49,410 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:14:49,412 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:14:49,998 INFO L? ?]: Removed 236 outVars from TransFormulas that were not future-live. [2025-02-08 09:14:50,003 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:14:50,026 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:14:50,026 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:14:50,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:14:50 BoogieIcfgContainer [2025-02-08 09:14:50,027 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:14:50,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:14:50,029 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:14:50,035 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:14:50,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:14:49" (1/3) ... [2025-02-08 09:14:50,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63580198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:14:50, skipping insertion in model container [2025-02-08 09:14:50,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:14:49" (2/3) ... [2025-02-08 09:14:50,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63580198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:14:50, skipping insertion in model container [2025-02-08 09:14:50,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:14:50" (3/3) ... [2025-02-08 09:14:50,044 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu-ll.c [2025-02-08 09:14:50,059 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:14:50,061 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu-ll.c that has 2 procedures, 297 locations, 1 initial locations, 1 loop locations, and 138 error locations. [2025-02-08 09:14:50,107 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:14:50,115 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;@787fbc37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:14:50,115 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2025-02-08 09:14:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand has 297 states, 146 states have (on average 1.9657534246575343) internal successors, (287), 284 states have internal predecessors, (287), 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) [2025-02-08 09:14:50,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-08 09:14:50,121 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:50,121 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-08 09:14:50,122 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)] === [2025-02-08 09:14:50,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:14:50,125 INFO L85 PathProgramCache]: Analyzing trace with hash 319682, now seen corresponding path program 1 times [2025-02-08 09:14:50,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:14:50,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61624351] [2025-02-08 09:14:50,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:50,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:14:50,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 09:14:50,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 09:14:50,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:50,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:50,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:14:50,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:14:50,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61624351] [2025-02-08 09:14:50,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61624351] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:14:50,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:14:50,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:14:50,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280575695] [2025-02-08 09:14:50,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:14:50,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:14:50,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:14:50,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:14:50,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:50,249 INFO L87 Difference]: Start difference. First operand has 297 states, 146 states have (on average 1.9657534246575343) internal successors, (287), 284 states have internal predecessors, (287), 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 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:14:50,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:14:50,443 INFO L93 Difference]: Finished difference Result 837 states and 930 transitions. [2025-02-08 09:14:50,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:14:50,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2025-02-08 09:14:50,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:14:50,451 INFO L225 Difference]: With dead ends: 837 [2025-02-08 09:14:50,451 INFO L226 Difference]: Without dead ends: 535 [2025-02-08 09:14:50,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:50,455 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 238 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 526 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 [2025-02-08 09:14:50,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 526 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:14:50,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2025-02-08 09:14:50,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 345. [2025-02-08 09:14:50,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 198 states have (on average 1.803030303030303) internal successors, (357), 328 states have internal predecessors, (357), 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) [2025-02-08 09:14:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 387 transitions. [2025-02-08 09:14:50,495 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 387 transitions. Word has length 3 [2025-02-08 09:14:50,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:14:50,495 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 387 transitions. [2025-02-08 09:14:50,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:14:50,497 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 387 transitions. [2025-02-08 09:14:50,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 09:14:50,498 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:50,498 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] [2025-02-08 09:14:50,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:14:50,498 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:14:50,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:14:50,499 INFO L85 PathProgramCache]: Analyzing trace with hash -9286868, now seen corresponding path program 1 times [2025-02-08 09:14:50,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:14:50,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834973695] [2025-02-08 09:14:50,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:50,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:14:50,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:14:50,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:14:50,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:50,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:14:50,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [197102386] [2025-02-08 09:14:50,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:50,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:14:50,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:14:50,529 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:14:50,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 09:14:50,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:14:50,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:14:50,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:50,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:50,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:14:50,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:14:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:14:50,690 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:14:50,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:14:50,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834973695] [2025-02-08 09:14:50,691 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:14:50,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197102386] [2025-02-08 09:14:50,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197102386] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:14:50,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:14:50,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:14:50,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711038716] [2025-02-08 09:14:50,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:14:50,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:14:50,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:14:50,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:14:50,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:50,693 INFO L87 Difference]: Start difference. First operand 345 states and 387 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:14:51,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:14:51,040 INFO L93 Difference]: Finished difference Result 505 states and 562 transitions. [2025-02-08 09:14:51,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:14:51,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 36 [2025-02-08 09:14:51,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:14:51,043 INFO L225 Difference]: With dead ends: 505 [2025-02-08 09:14:51,043 INFO L226 Difference]: Without dead ends: 450 [2025-02-08 09:14:51,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:51,045 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 134 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:14:51,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 264 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:14:51,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2025-02-08 09:14:51,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 430. [2025-02-08 09:14:51,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 278 states have (on average 1.6546762589928057) internal successors, (460), 408 states have internal predecessors, (460), 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) [2025-02-08 09:14:51,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 500 transitions. [2025-02-08 09:14:51,063 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 500 transitions. Word has length 36 [2025-02-08 09:14:51,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:14:51,063 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 500 transitions. [2025-02-08 09:14:51,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:14:51,063 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 500 transitions. [2025-02-08 09:14:51,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:14:51,064 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:51,064 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:14:51,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 09:14:51,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:14:51,269 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:14:51,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:14:51,270 INFO L85 PathProgramCache]: Analyzing trace with hash -334738614, now seen corresponding path program 1 times [2025-02-08 09:14:51,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:14:51,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017234461] [2025-02-08 09:14:51,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:51,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:14:51,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:14:51,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:14:51,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:51,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:51,401 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:14:51,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:14:51,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017234461] [2025-02-08 09:14:51,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017234461] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:14:51,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:14:51,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:14:51,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44920334] [2025-02-08 09:14:51,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:14:51,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:14:51,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:14:51,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:14:51,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:51,402 INFO L87 Difference]: Start difference. First operand 430 states and 500 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:14:51,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:14:51,581 INFO L93 Difference]: Finished difference Result 445 states and 507 transitions. [2025-02-08 09:14:51,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:14:51,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 38 [2025-02-08 09:14:51,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:14:51,583 INFO L225 Difference]: With dead ends: 445 [2025-02-08 09:14:51,583 INFO L226 Difference]: Without dead ends: 440 [2025-02-08 09:14:51,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:51,584 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 120 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:14:51,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 404 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:14:51,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-02-08 09:14:51,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 430. [2025-02-08 09:14:51,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 278 states have (on average 1.6366906474820144) internal successors, (455), 408 states have internal predecessors, (455), 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) [2025-02-08 09:14:51,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 495 transitions. [2025-02-08 09:14:51,599 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 495 transitions. Word has length 38 [2025-02-08 09:14:51,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:14:51,599 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 495 transitions. [2025-02-08 09:14:51,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:14:51,599 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 495 transitions. [2025-02-08 09:14:51,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:14:51,600 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:51,600 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:14:51,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 09:14:51,600 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:14:51,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:14:51,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1786962229, now seen corresponding path program 1 times [2025-02-08 09:14:51,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:14:51,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659104848] [2025-02-08 09:14:51,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:51,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:14:51,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:14:51,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:14:51,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:51,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:51,666 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:14:51,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:14:51,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659104848] [2025-02-08 09:14:51,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659104848] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:14:51,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:14:51,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:14:51,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199831413] [2025-02-08 09:14:51,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:14:51,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:14:51,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:14:51,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:14:51,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:51,667 INFO L87 Difference]: Start difference. First operand 430 states and 495 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) [2025-02-08 09:14:51,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:14:51,812 INFO L93 Difference]: Finished difference Result 445 states and 502 transitions. [2025-02-08 09:14:51,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:14:51,813 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 [2025-02-08 09:14:51,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:14:51,814 INFO L225 Difference]: With dead ends: 445 [2025-02-08 09:14:51,814 INFO L226 Difference]: Without dead ends: 440 [2025-02-08 09:14:51,815 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:51,815 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 119 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:14:51,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 409 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:14:51,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-02-08 09:14:51,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 430. [2025-02-08 09:14:51,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 278 states have (on average 1.618705035971223) internal successors, (450), 408 states have internal predecessors, (450), 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) [2025-02-08 09:14:51,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 490 transitions. [2025-02-08 09:14:51,824 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 490 transitions. Word has length 39 [2025-02-08 09:14:51,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:14:51,824 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 490 transitions. [2025-02-08 09:14:51,825 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) [2025-02-08 09:14:51,825 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 490 transitions. [2025-02-08 09:14:51,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:14:51,825 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:51,825 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:14:51,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:14:51,826 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)] === [2025-02-08 09:14:51,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:14:51,826 INFO L85 PathProgramCache]: Analyzing trace with hash 438745960, now seen corresponding path program 1 times [2025-02-08 09:14:51,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:14:51,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129516054] [2025-02-08 09:14:51,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:51,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:14:51,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:14:51,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:14:51,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:51,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:51,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:14:51,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:14:51,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129516054] [2025-02-08 09:14:51,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129516054] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:14:51,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:14:51,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:14:51,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098657513] [2025-02-08 09:14:51,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:14:51,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:14:51,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:14:51,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:14:51,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:14:51,880 INFO L87 Difference]: Start difference. First operand 430 states and 490 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:14:52,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:14:52,488 INFO L93 Difference]: Finished difference Result 441 states and 497 transitions. [2025-02-08 09:14:52,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:14:52,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (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 40 [2025-02-08 09:14:52,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:14:52,490 INFO L225 Difference]: With dead ends: 441 [2025-02-08 09:14:52,490 INFO L226 Difference]: Without dead ends: 439 [2025-02-08 09:14:52,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:14:52,495 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 378 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:14:52,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 224 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:14:52,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2025-02-08 09:14:52,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 429. [2025-02-08 09:14:52,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 278 states have (on average 1.6079136690647482) internal successors, (447), 407 states have internal predecessors, (447), 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) [2025-02-08 09:14:52,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 487 transitions. [2025-02-08 09:14:52,505 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 487 transitions. Word has length 40 [2025-02-08 09:14:52,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:14:52,506 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 487 transitions. [2025-02-08 09:14:52,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:14:52,506 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 487 transitions. [2025-02-08 09:14:52,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:14:52,506 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:52,506 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:14:52,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:14:52,507 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)] === [2025-02-08 09:14:52,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:14:52,507 INFO L85 PathProgramCache]: Analyzing trace with hash 716223081, now seen corresponding path program 1 times [2025-02-08 09:14:52,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:14:52,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389359813] [2025-02-08 09:14:52,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:52,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:14:52,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:14:52,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:14:52,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:52,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:52,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:14:52,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:14:52,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389359813] [2025-02-08 09:14:52,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389359813] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:14:52,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:14:52,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:14:52,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215127705] [2025-02-08 09:14:52,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:14:52,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:14:52,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:14:52,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:14:52,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:14:52,599 INFO L87 Difference]: Start difference. First operand 429 states and 487 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 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) [2025-02-08 09:14:53,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:14:53,809 INFO L93 Difference]: Finished difference Result 440 states and 494 transitions. [2025-02-08 09:14:53,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:14:53,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 [2025-02-08 09:14:53,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:14:53,814 INFO L225 Difference]: With dead ends: 440 [2025-02-08 09:14:53,814 INFO L226 Difference]: Without dead ends: 438 [2025-02-08 09:14:53,815 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:14:53,815 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 376 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:14:53,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 225 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-08 09:14:53,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2025-02-08 09:14:53,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 428. [2025-02-08 09:14:53,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 278 states have (on average 1.5971223021582734) internal successors, (444), 406 states have internal predecessors, (444), 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) [2025-02-08 09:14:53,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 484 transitions. [2025-02-08 09:14:53,841 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 484 transitions. Word has length 41 [2025-02-08 09:14:53,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:14:53,842 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 484 transitions. [2025-02-08 09:14:53,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:14:53,842 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 484 transitions. [2025-02-08 09:14:53,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:14:53,843 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:53,843 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] [2025-02-08 09:14:53,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 09:14:53,844 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)] === [2025-02-08 09:14:53,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:14:53,844 INFO L85 PathProgramCache]: Analyzing trace with hash -395514972, now seen corresponding path program 1 times [2025-02-08 09:14:53,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:14:53,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158311102] [2025-02-08 09:14:53,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:53,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:14:53,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:14:53,861 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:14:53,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:53,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:14:53,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1672230981] [2025-02-08 09:14:53,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:53,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:14:53,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:14:53,865 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:14:53,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 09:14:53,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:14:53,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:14:53,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:53,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:53,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:14:53,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:14:54,092 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:14:54,093 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:14:54,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:14:54,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158311102] [2025-02-08 09:14:54,093 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:14:54,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672230981] [2025-02-08 09:14:54,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672230981] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:14:54,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:14:54,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:14:54,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620806868] [2025-02-08 09:14:54,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:14:54,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:14:54,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:14:54,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:14:54,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:54,095 INFO L87 Difference]: Start difference. First operand 428 states and 484 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 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) [2025-02-08 09:14:54,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:14:54,436 INFO L93 Difference]: Finished difference Result 450 states and 491 transitions. [2025-02-08 09:14:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:14:54,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 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 [2025-02-08 09:14:54,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:14:54,438 INFO L225 Difference]: With dead ends: 450 [2025-02-08 09:14:54,438 INFO L226 Difference]: Without dead ends: 436 [2025-02-08 09:14:54,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:54,439 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 112 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:14:54,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 244 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:14:54,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2025-02-08 09:14:54,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 431. [2025-02-08 09:14:54,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 281 states have (on average 1.5516014234875444) internal successors, (436), 409 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) [2025-02-08 09:14:54,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 476 transitions. [2025-02-08 09:14:54,455 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 476 transitions. Word has length 44 [2025-02-08 09:14:54,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:14:54,456 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 476 transitions. [2025-02-08 09:14:54,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 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) [2025-02-08 09:14:54,456 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 476 transitions. [2025-02-08 09:14:54,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:14:54,457 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:54,457 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:14:54,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 09:14:54,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:14:54,662 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)] === [2025-02-08 09:14:54,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:14:54,663 INFO L85 PathProgramCache]: Analyzing trace with hash 623937957, now seen corresponding path program 1 times [2025-02-08 09:14:54,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:14:54,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359446993] [2025-02-08 09:14:54,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:54,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:14:54,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:14:54,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:14:54,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:54,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:54,742 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:14:54,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:14:54,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359446993] [2025-02-08 09:14:54,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359446993] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:14:54,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:14:54,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:14:54,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139885870] [2025-02-08 09:14:54,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:14:54,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:14:54,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:14:54,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:14:54,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:14:54,744 INFO L87 Difference]: Start difference. First operand 431 states and 476 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:14:55,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:14:55,392 INFO L93 Difference]: Finished difference Result 440 states and 477 transitions. [2025-02-08 09:14:55,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:14:55,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (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 45 [2025-02-08 09:14:55,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:14:55,394 INFO L225 Difference]: With dead ends: 440 [2025-02-08 09:14:55,394 INFO L226 Difference]: Without dead ends: 438 [2025-02-08 09:14:55,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:14:55,395 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 252 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:14:55,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 366 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:14:55,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2025-02-08 09:14:55,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 431. [2025-02-08 09:14:55,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 281 states have (on average 1.5444839857651245) internal successors, (434), 409 states have internal predecessors, (434), 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) [2025-02-08 09:14:55,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 474 transitions. [2025-02-08 09:14:55,410 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 474 transitions. Word has length 45 [2025-02-08 09:14:55,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:14:55,410 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 474 transitions. [2025-02-08 09:14:55,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:14:55,410 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 474 transitions. [2025-02-08 09:14:55,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-08 09:14:55,410 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:55,411 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] [2025-02-08 09:14:55,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 09:14:55,411 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)] === [2025-02-08 09:14:55,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:14:55,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1590255391, now seen corresponding path program 1 times [2025-02-08 09:14:55,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:14:55,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270334910] [2025-02-08 09:14:55,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:55,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:14:55,416 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-08 09:14:55,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-08 09:14:55,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:55,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:14:55,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:14:55,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270334910] [2025-02-08 09:14:55,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270334910] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:14:55,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:14:55,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:14:55,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489450706] [2025-02-08 09:14:55,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:14:55,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:14:55,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:14:55,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:14:55,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:14:55,486 INFO L87 Difference]: Start difference. First operand 431 states and 474 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:14:56,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:14:56,233 INFO L93 Difference]: Finished difference Result 437 states and 475 transitions. [2025-02-08 09:14:56,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:14:56,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (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 49 [2025-02-08 09:14:56,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:14:56,235 INFO L225 Difference]: With dead ends: 437 [2025-02-08 09:14:56,235 INFO L226 Difference]: Without dead ends: 402 [2025-02-08 09:14:56,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:14:56,235 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 358 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:14:56,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 221 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:14:56,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2025-02-08 09:14:56,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 398. [2025-02-08 09:14:56,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 253 states have (on average 1.5770750988142292) internal successors, (399), 378 states have internal predecessors, (399), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-08 09:14:56,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 435 transitions. [2025-02-08 09:14:56,249 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 435 transitions. Word has length 49 [2025-02-08 09:14:56,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:14:56,250 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 435 transitions. [2025-02-08 09:14:56,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:14:56,250 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 435 transitions. [2025-02-08 09:14:56,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-08 09:14:56,251 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:56,251 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] [2025-02-08 09:14:56,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 09:14:56,251 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr89ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:14:56,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:14:56,251 INFO L85 PathProgramCache]: Analyzing trace with hash 653841794, now seen corresponding path program 1 times [2025-02-08 09:14:56,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:14:56,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685309132] [2025-02-08 09:14:56,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:56,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:14:56,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 09:14:56,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:14:56,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:56,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:56,313 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:14:56,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:14:56,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685309132] [2025-02-08 09:14:56,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685309132] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:14:56,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:14:56,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:14:56,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343085799] [2025-02-08 09:14:56,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:14:56,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:14:56,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:14:56,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:14:56,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:56,314 INFO L87 Difference]: Start difference. First operand 398 states and 435 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:14:56,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:14:56,556 INFO L93 Difference]: Finished difference Result 405 states and 435 transitions. [2025-02-08 09:14:56,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:14:56,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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 77 [2025-02-08 09:14:56,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:14:56,558 INFO L225 Difference]: With dead ends: 405 [2025-02-08 09:14:56,558 INFO L226 Difference]: Without dead ends: 404 [2025-02-08 09:14:56,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:56,558 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 63 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:14:56,559 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 333 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:14:56,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2025-02-08 09:14:56,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 398. [2025-02-08 09:14:56,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 253 states have (on average 1.5731225296442688) internal successors, (398), 378 states have internal predecessors, (398), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-08 09:14:56,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 434 transitions. [2025-02-08 09:14:56,569 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 434 transitions. Word has length 77 [2025-02-08 09:14:56,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:14:56,569 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 434 transitions. [2025-02-08 09:14:56,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:14:56,570 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 434 transitions. [2025-02-08 09:14:56,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-08 09:14:56,570 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:56,570 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] [2025-02-08 09:14:56,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 09:14:56,571 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:14:56,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:14:56,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1409934658, now seen corresponding path program 1 times [2025-02-08 09:14:56,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:14:56,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792013404] [2025-02-08 09:14:56,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:56,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:14:56,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-08 09:14:56,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-08 09:14:56,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:56,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:56,650 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:14:56,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:14:56,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792013404] [2025-02-08 09:14:56,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792013404] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:14:56,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:14:56,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:14:56,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479003345] [2025-02-08 09:14:56,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:14:56,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:14:56,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:14:56,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:14:56,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:56,655 INFO L87 Difference]: Start difference. First operand 398 states and 434 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:14:57,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:14:57,012 INFO L93 Difference]: Finished difference Result 398 states and 434 transitions. [2025-02-08 09:14:57,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:14:57,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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 81 [2025-02-08 09:14:57,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:14:57,017 INFO L225 Difference]: With dead ends: 398 [2025-02-08 09:14:57,017 INFO L226 Difference]: Without dead ends: 391 [2025-02-08 09:14:57,017 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:57,017 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 137 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:14:57,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 151 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:14:57,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2025-02-08 09:14:57,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2025-02-08 09:14:57,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 253 states have (on average 1.5454545454545454) internal successors, (391), 371 states have internal predecessors, (391), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-08 09:14:57,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 427 transitions. [2025-02-08 09:14:57,040 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 427 transitions. Word has length 81 [2025-02-08 09:14:57,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:14:57,040 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 427 transitions. [2025-02-08 09:14:57,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:14:57,040 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 427 transitions. [2025-02-08 09:14:57,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-08 09:14:57,041 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:57,041 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] [2025-02-08 09:14:57,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 09:14:57,042 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:14:57,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:14:57,043 INFO L85 PathProgramCache]: Analyzing trace with hash -758301293, now seen corresponding path program 1 times [2025-02-08 09:14:57,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:14:57,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416989893] [2025-02-08 09:14:57,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:57,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:14:57,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-08 09:14:57,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-08 09:14:57,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:57,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:57,121 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:14:57,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:14:57,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416989893] [2025-02-08 09:14:57,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416989893] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:14:57,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:14:57,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:14:57,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722070253] [2025-02-08 09:14:57,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:14:57,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:14:57,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:14:57,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:14:57,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:57,126 INFO L87 Difference]: Start difference. First operand 391 states and 427 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:14:57,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:14:57,381 INFO L93 Difference]: Finished difference Result 400 states and 430 transitions. [2025-02-08 09:14:57,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:14:57,382 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, (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 82 [2025-02-08 09:14:57,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:14:57,383 INFO L225 Difference]: With dead ends: 400 [2025-02-08 09:14:57,383 INFO L226 Difference]: Without dead ends: 399 [2025-02-08 09:14:57,384 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:57,384 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 62 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:14:57,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 349 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:14:57,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2025-02-08 09:14:57,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 393. [2025-02-08 09:14:57,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 255 states have (on average 1.5411764705882354) internal successors, (393), 373 states have internal predecessors, (393), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-08 09:14:57,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 429 transitions. [2025-02-08 09:14:57,394 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 429 transitions. Word has length 82 [2025-02-08 09:14:57,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:14:57,394 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 429 transitions. [2025-02-08 09:14:57,394 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:14:57,394 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 429 transitions. [2025-02-08 09:14:57,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-08 09:14:57,395 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:57,395 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] [2025-02-08 09:14:57,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-08 09:14:57,395 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:14:57,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:14:57,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1234875131, now seen corresponding path program 1 times [2025-02-08 09:14:57,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:14:57,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496459157] [2025-02-08 09:14:57,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:57,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:14:57,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 09:14:57,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 09:14:57,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:57,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:14:57,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:14:57,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496459157] [2025-02-08 09:14:57,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496459157] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:14:57,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:14:57,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:14:57,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099913604] [2025-02-08 09:14:57,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:14:57,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:14:57,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:14:57,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:14:57,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:57,446 INFO L87 Difference]: Start difference. First operand 393 states and 429 transitions. Second operand has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 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) [2025-02-08 09:14:57,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:14:57,509 INFO L93 Difference]: Finished difference Result 393 states and 429 transitions. [2025-02-08 09:14:57,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:14:57,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 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 84 [2025-02-08 09:14:57,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:14:57,511 INFO L225 Difference]: With dead ends: 393 [2025-02-08 09:14:57,511 INFO L226 Difference]: Without dead ends: 391 [2025-02-08 09:14:57,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:57,513 INFO L435 NwaCegarLoop]: 240 mSDtfsCounter, 186 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 253 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 [2025-02-08 09:14:57,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 253 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:14:57,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2025-02-08 09:14:57,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2025-02-08 09:14:57,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 255 states have (on average 1.5254901960784313) internal successors, (389), 371 states have internal predecessors, (389), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-08 09:14:57,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 425 transitions. [2025-02-08 09:14:57,525 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 425 transitions. Word has length 84 [2025-02-08 09:14:57,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:14:57,525 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 425 transitions. [2025-02-08 09:14:57,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 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) [2025-02-08 09:14:57,526 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 425 transitions. [2025-02-08 09:14:57,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-08 09:14:57,526 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:57,526 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] [2025-02-08 09:14:57,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-08 09:14:57,527 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)] === [2025-02-08 09:14:57,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:14:57,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1416906065, now seen corresponding path program 1 times [2025-02-08 09:14:57,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:14:57,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450083602] [2025-02-08 09:14:57,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:57,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:14:57,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 09:14:57,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 09:14:57,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:57,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:57,587 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:14:57,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:14:57,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450083602] [2025-02-08 09:14:57,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450083602] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:14:57,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344350705] [2025-02-08 09:14:57,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:57,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:14:57,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:14:57,592 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:14:57,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 09:14:57,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 09:14:57,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 09:14:57,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:57,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:57,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:14:57,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:14:57,706 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:14:57,706 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:14:57,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344350705] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:14:57,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:14:57,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-08 09:14:57,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995854461] [2025-02-08 09:14:57,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:14:57,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:14:57,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:14:57,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:14:57,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:14:57,709 INFO L87 Difference]: Start difference. First operand 391 states and 425 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 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) [2025-02-08 09:14:57,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:14:57,798 INFO L93 Difference]: Finished difference Result 408 states and 425 transitions. [2025-02-08 09:14:57,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:14:57,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 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 [2025-02-08 09:14:57,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:14:57,800 INFO L225 Difference]: With dead ends: 408 [2025-02-08 09:14:57,800 INFO L226 Difference]: Without dead ends: 400 [2025-02-08 09:14:57,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:14:57,801 INFO L435 NwaCegarLoop]: 347 mSDtfsCounter, 408 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:14:57,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 465 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:14:57,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2025-02-08 09:14:57,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 383. [2025-02-08 09:14:57,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 255 states have (on average 1.4941176470588236) internal successors, (381), 363 states have internal predecessors, (381), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-08 09:14:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 417 transitions. [2025-02-08 09:14:57,812 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 417 transitions. Word has length 84 [2025-02-08 09:14:57,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:14:57,812 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 417 transitions. [2025-02-08 09:14:57,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 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) [2025-02-08 09:14:57,812 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 417 transitions. [2025-02-08 09:14:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-08 09:14:57,813 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:57,813 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] [2025-02-08 09:14:57,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 09:14:58,017 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 [2025-02-08 09:14:58,020 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:14:58,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:14:58,021 INFO L85 PathProgramCache]: Analyzing trace with hash -373576471, now seen corresponding path program 1 times [2025-02-08 09:14:58,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:14:58,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129805988] [2025-02-08 09:14:58,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:58,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:14:58,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-08 09:14:58,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-08 09:14:58,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:58,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:58,148 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:14:58,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:14:58,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129805988] [2025-02-08 09:14:58,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129805988] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:14:58,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:14:58,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:14:58,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99900055] [2025-02-08 09:14:58,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:14:58,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:14:58,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:14:58,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:14:58,149 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:14:58,149 INFO L87 Difference]: Start difference. First operand 383 states and 417 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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) [2025-02-08 09:14:58,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:14:58,308 INFO L93 Difference]: Finished difference Result 400 states and 417 transitions. [2025-02-08 09:14:58,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:14:58,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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 85 [2025-02-08 09:14:58,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:14:58,310 INFO L225 Difference]: With dead ends: 400 [2025-02-08 09:14:58,310 INFO L226 Difference]: Without dead ends: 398 [2025-02-08 09:14:58,310 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 [2025-02-08 09:14:58,311 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 68 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:14:58,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 852 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:14:58,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2025-02-08 09:14:58,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 383. [2025-02-08 09:14:58,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 255 states have (on average 1.4862745098039216) internal successors, (379), 363 states have internal predecessors, (379), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-08 09:14:58,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 415 transitions. [2025-02-08 09:14:58,321 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 415 transitions. Word has length 85 [2025-02-08 09:14:58,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:14:58,321 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 415 transitions. [2025-02-08 09:14:58,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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) [2025-02-08 09:14:58,321 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 415 transitions. [2025-02-08 09:14:58,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-08 09:14:58,322 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:58,322 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] [2025-02-08 09:14:58,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-08 09:14:58,322 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:14:58,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:14:58,322 INFO L85 PathProgramCache]: Analyzing trace with hash 974415311, now seen corresponding path program 1 times [2025-02-08 09:14:58,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:14:58,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145177727] [2025-02-08 09:14:58,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:58,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:14:58,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-08 09:14:58,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-08 09:14:58,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:58,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:58,365 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:14:58,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:14:58,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145177727] [2025-02-08 09:14:58,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145177727] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:14:58,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087899063] [2025-02-08 09:14:58,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:58,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:14:58,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:14:58,368 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:14:58,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 09:14:58,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-08 09:14:58,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-08 09:14:58,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:58,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:58,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:14:58,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:14:58,463 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:14:58,463 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:14:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:14:58,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087899063] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:14:58,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:14:58,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 09:14:58,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009123535] [2025-02-08 09:14:58,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:14:58,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:14:58,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:14:58,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:14:58,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:14:58,553 INFO L87 Difference]: Start difference. First operand 383 states and 415 transitions. Second operand has 7 states, 6 states have (on average 29.0) internal successors, (174), 7 states have internal predecessors, (174), 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) [2025-02-08 09:14:58,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:14:58,698 INFO L93 Difference]: Finished difference Result 651 states and 690 transitions. [2025-02-08 09:14:58,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:14:58,699 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 29.0) internal successors, (174), 7 states have internal predecessors, (174), 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 85 [2025-02-08 09:14:58,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:14:58,701 INFO L225 Difference]: With dead ends: 651 [2025-02-08 09:14:58,701 INFO L226 Difference]: Without dead ends: 643 [2025-02-08 09:14:58,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:14:58,701 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 738 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:14:58,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 892 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:14:58,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2025-02-08 09:14:58,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 443. [2025-02-08 09:14:58,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 316 states have (on average 1.481012658227848) internal successors, (468), 418 states have internal predecessors, (468), 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) [2025-02-08 09:14:58,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 514 transitions. [2025-02-08 09:14:58,716 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 514 transitions. Word has length 85 [2025-02-08 09:14:58,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:14:58,716 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 514 transitions. [2025-02-08 09:14:58,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 29.0) internal successors, (174), 7 states have internal predecessors, (174), 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) [2025-02-08 09:14:58,717 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 514 transitions. [2025-02-08 09:14:58,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-08 09:14:58,717 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:58,718 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] [2025-02-08 09:14:58,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 09:14:58,918 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,SelfDestructingSolverStorable15 [2025-02-08 09:14:58,919 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:14:58,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:14:58,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1304031417, now seen corresponding path program 1 times [2025-02-08 09:14:58,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:14:58,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721586314] [2025-02-08 09:14:58,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:58,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:14:58,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 09:14:58,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 09:14:58,934 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:58,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:14:58,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1020718616] [2025-02-08 09:14:58,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:58,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:14:58,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:14:58,936 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:14:58,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 09:14:58,961 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 09:14:58,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 09:14:58,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:58,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:58,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:14:58,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:14:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:14:59,057 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:14:59,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:14:59,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721586314] [2025-02-08 09:14:59,057 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:14:59,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020718616] [2025-02-08 09:14:59,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020718616] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:14:59,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:14:59,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:14:59,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916510034] [2025-02-08 09:14:59,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:14:59,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:14:59,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:14:59,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:14:59,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:59,058 INFO L87 Difference]: Start difference. First operand 443 states and 514 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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) [2025-02-08 09:14:59,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:14:59,251 INFO L93 Difference]: Finished difference Result 453 states and 514 transitions. [2025-02-08 09:14:59,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:14:59,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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 86 [2025-02-08 09:14:59,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:14:59,253 INFO L225 Difference]: With dead ends: 453 [2025-02-08 09:14:59,253 INFO L226 Difference]: Without dead ends: 445 [2025-02-08 09:14:59,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:14:59,253 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 55 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:14:59,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 400 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:14:59,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2025-02-08 09:14:59,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 443. [2025-02-08 09:14:59,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 316 states have (on average 1.4556962025316456) internal successors, (460), 418 states have internal predecessors, (460), 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) [2025-02-08 09:14:59,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 506 transitions. [2025-02-08 09:14:59,264 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 506 transitions. Word has length 86 [2025-02-08 09:14:59,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:14:59,265 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 506 transitions. [2025-02-08 09:14:59,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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) [2025-02-08 09:14:59,265 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 506 transitions. [2025-02-08 09:14:59,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-08 09:14:59,265 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:59,266 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] [2025-02-08 09:14:59,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 09:14:59,466 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,SelfDestructingSolverStorable16 [2025-02-08 09:14:59,467 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:14:59,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:14:59,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1254630564, now seen corresponding path program 1 times [2025-02-08 09:14:59,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:14:59,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305894668] [2025-02-08 09:14:59,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:59,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:14:59,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-08 09:14:59,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-08 09:14:59,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:59,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:14:59,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1059893945] [2025-02-08 09:14:59,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:14:59,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:14:59,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:14:59,486 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:14:59,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 09:14:59,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-08 09:14:59,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-08 09:14:59,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:14:59,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:14:59,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:14:59,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:14:59,599 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:14:59,599 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:14:59,751 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:14:59,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:14:59,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305894668] [2025-02-08 09:14:59,751 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:14:59,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059893945] [2025-02-08 09:14:59,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059893945] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:14:59,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:14:59,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-02-08 09:14:59,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799383763] [2025-02-08 09:14:59,752 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:14:59,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:14:59,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:14:59,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:14:59,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:14:59,753 INFO L87 Difference]: Start difference. First operand 443 states and 506 transitions. Second operand has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 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) [2025-02-08 09:14:59,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:14:59,895 INFO L93 Difference]: Finished difference Result 645 states and 678 transitions. [2025-02-08 09:14:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:14:59,895 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 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 96 [2025-02-08 09:14:59,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:14:59,897 INFO L225 Difference]: With dead ends: 645 [2025-02-08 09:14:59,897 INFO L226 Difference]: Without dead ends: 640 [2025-02-08 09:14:59,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:14:59,898 INFO L435 NwaCegarLoop]: 337 mSDtfsCounter, 1087 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:14:59,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 832 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:14:59,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2025-02-08 09:14:59,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 448. [2025-02-08 09:14:59,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 324 states have (on average 1.4197530864197532) internal successors, (460), 422 states have internal predecessors, (460), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-08 09:14:59,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 508 transitions. [2025-02-08 09:14:59,910 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 508 transitions. Word has length 96 [2025-02-08 09:14:59,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:14:59,911 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 508 transitions. [2025-02-08 09:14:59,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 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) [2025-02-08 09:14:59,911 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 508 transitions. [2025-02-08 09:14:59,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-08 09:14:59,912 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:14:59,912 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] [2025-02-08 09:14:59,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 09:15:00,112 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 [2025-02-08 09:15:00,113 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:00,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:00,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1471829423, now seen corresponding path program 1 times [2025-02-08 09:15:00,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:00,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641101930] [2025-02-08 09:15:00,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:00,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:00,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 09:15:00,128 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 09:15:00,128 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:00,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:00,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [125812113] [2025-02-08 09:15:00,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:00,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:00,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:00,131 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:00,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 09:15:00,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 09:15:00,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 09:15:00,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:00,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:00,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:15:00,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:00,258 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:15:00,258 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:15:00,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:00,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641101930] [2025-02-08 09:15:00,258 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:15:00,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125812113] [2025-02-08 09:15:00,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125812113] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:15:00,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:15:00,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:15:00,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408618165] [2025-02-08 09:15:00,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:15:00,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:15:00,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:00,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:15:00,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:15:00,260 INFO L87 Difference]: Start difference. First operand 448 states and 508 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 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) [2025-02-08 09:15:00,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:00,453 INFO L93 Difference]: Finished difference Result 449 states and 508 transitions. [2025-02-08 09:15:00,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:15:00,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 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 101 [2025-02-08 09:15:00,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:00,455 INFO L225 Difference]: With dead ends: 449 [2025-02-08 09:15:00,455 INFO L226 Difference]: Without dead ends: 448 [2025-02-08 09:15:00,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:15:00,456 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 146 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:00,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 308 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:15:00,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2025-02-08 09:15:00,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2025-02-08 09:15:00,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 324 states have (on average 1.4166666666666667) internal successors, (459), 422 states have internal predecessors, (459), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-08 09:15:00,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 507 transitions. [2025-02-08 09:15:00,469 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 507 transitions. Word has length 101 [2025-02-08 09:15:00,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:00,470 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 507 transitions. [2025-02-08 09:15:00,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 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) [2025-02-08 09:15:00,470 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 507 transitions. [2025-02-08 09:15:00,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-08 09:15:00,470 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:00,471 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] [2025-02-08 09:15:00,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-08 09:15:00,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:00,672 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:00,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:00,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1617928036, now seen corresponding path program 1 times [2025-02-08 09:15:00,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:00,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925103412] [2025-02-08 09:15:00,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:00,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:00,678 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-08 09:15:00,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-08 09:15:00,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:00,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:00,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1456062337] [2025-02-08 09:15:00,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:00,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:00,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:00,689 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:00,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 09:15:00,713 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-08 09:15:00,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-08 09:15:00,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:00,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:00,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:15:00,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:00,900 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:15:00,901 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:15:00,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:00,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925103412] [2025-02-08 09:15:00,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:15:00,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456062337] [2025-02-08 09:15:00,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456062337] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:15:00,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:15:00,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:15:00,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886065100] [2025-02-08 09:15:00,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:15:00,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:15:00,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:00,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:15:00,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:15:00,903 INFO L87 Difference]: Start difference. First operand 448 states and 507 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 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) [2025-02-08 09:15:01,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:01,266 INFO L93 Difference]: Finished difference Result 449 states and 507 transitions. [2025-02-08 09:15:01,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:15:01,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 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 102 [2025-02-08 09:15:01,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:01,268 INFO L225 Difference]: With dead ends: 449 [2025-02-08 09:15:01,268 INFO L226 Difference]: Without dead ends: 448 [2025-02-08 09:15:01,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:15:01,269 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 96 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:01,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 341 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:15:01,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2025-02-08 09:15:01,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2025-02-08 09:15:01,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 324 states have (on average 1.4135802469135803) internal successors, (458), 422 states have internal predecessors, (458), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-08 09:15:01,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 506 transitions. [2025-02-08 09:15:01,280 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 506 transitions. Word has length 102 [2025-02-08 09:15:01,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:01,280 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 506 transitions. [2025-02-08 09:15:01,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 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) [2025-02-08 09:15:01,281 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 506 transitions. [2025-02-08 09:15:01,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-02-08 09:15:01,281 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:01,281 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] [2025-02-08 09:15:01,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 09:15:01,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:01,483 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:01,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:01,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1036127107, now seen corresponding path program 1 times [2025-02-08 09:15:01,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:01,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457096120] [2025-02-08 09:15:01,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:01,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:01,488 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-02-08 09:15:01,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-02-08 09:15:01,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:01,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:01,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [855409575] [2025-02-08 09:15:01,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:01,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:01,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:01,517 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:01,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 09:15:01,542 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-02-08 09:15:01,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-02-08 09:15:01,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:01,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:01,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:15:01,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:01,739 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:15:01,739 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:15:01,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:01,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457096120] [2025-02-08 09:15:01,740 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:15:01,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855409575] [2025-02-08 09:15:01,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855409575] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:15:01,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:15:01,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:15:01,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945676058] [2025-02-08 09:15:01,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:15:01,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:15:01,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:01,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:15:01,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:15:01,741 INFO L87 Difference]: Start difference. First operand 448 states and 506 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2025-02-08 09:15:02,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:02,257 INFO L93 Difference]: Finished difference Result 448 states and 506 transitions. [2025-02-08 09:15:02,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:15:02,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 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 117 [2025-02-08 09:15:02,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:02,258 INFO L225 Difference]: With dead ends: 448 [2025-02-08 09:15:02,259 INFO L226 Difference]: Without dead ends: 438 [2025-02-08 09:15:02,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:15:02,259 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 233 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:02,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 323 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:15:02,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2025-02-08 09:15:02,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 438. [2025-02-08 09:15:02,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 324 states have (on average 1.3703703703703705) internal successors, (444), 412 states have internal predecessors, (444), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-08 09:15:02,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 492 transitions. [2025-02-08 09:15:02,270 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 492 transitions. Word has length 117 [2025-02-08 09:15:02,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:02,270 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 492 transitions. [2025-02-08 09:15:02,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2025-02-08 09:15:02,271 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 492 transitions. [2025-02-08 09:15:02,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-02-08 09:15:02,271 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:02,272 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] [2025-02-08 09:15:02,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 09:15:02,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:02,473 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:02,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:02,473 INFO L85 PathProgramCache]: Analyzing trace with hash -2055169028, now seen corresponding path program 1 times [2025-02-08 09:15:02,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:02,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961412987] [2025-02-08 09:15:02,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:02,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:02,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-02-08 09:15:02,494 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-02-08 09:15:02,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:02,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:02,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [402698465] [2025-02-08 09:15:02,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:02,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:02,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:02,496 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:02,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 09:15:02,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-02-08 09:15:02,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-02-08 09:15:02,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:02,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:02,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:15:02,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:02,721 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:15:02,721 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:03,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:03,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961412987] [2025-02-08 09:15:03,155 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:15:03,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402698465] [2025-02-08 09:15:03,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402698465] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:15:03,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:15:03,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:15:03,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279722450] [2025-02-08 09:15:03,156 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:03,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:15:03,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:03,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:15:03,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:15:03,156 INFO L87 Difference]: Start difference. First operand 438 states and 492 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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) [2025-02-08 09:15:04,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:04,072 INFO L93 Difference]: Finished difference Result 563 states and 646 transitions. [2025-02-08 09:15:04,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:15:04,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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 118 [2025-02-08 09:15:04,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:04,077 INFO L225 Difference]: With dead ends: 563 [2025-02-08 09:15:04,077 INFO L226 Difference]: Without dead ends: 540 [2025-02-08 09:15:04,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:15:04,078 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 186 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:04,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 447 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 848 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-08 09:15:04,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2025-02-08 09:15:04,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 523. [2025-02-08 09:15:04,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 404 states have (on average 1.3886138613861385) internal successors, (561), 492 states have internal predecessors, (561), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-02-08 09:15:04,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 619 transitions. [2025-02-08 09:15:04,093 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 619 transitions. Word has length 118 [2025-02-08 09:15:04,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:04,093 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 619 transitions. [2025-02-08 09:15:04,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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) [2025-02-08 09:15:04,093 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 619 transitions. [2025-02-08 09:15:04,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-02-08 09:15:04,094 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:04,094 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] [2025-02-08 09:15:04,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-08 09:15:04,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:04,298 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:04,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:04,299 INFO L85 PathProgramCache]: Analyzing trace with hash 714269787, now seen corresponding path program 1 times [2025-02-08 09:15:04,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:04,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893294893] [2025-02-08 09:15:04,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:04,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:04,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-02-08 09:15:04,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-02-08 09:15:04,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:04,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:04,359 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:15:04,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:04,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893294893] [2025-02-08 09:15:04,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893294893] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:15:04,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379531153] [2025-02-08 09:15:04,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:04,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:04,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:04,365 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:04,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 09:15:04,387 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-02-08 09:15:04,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-02-08 09:15:04,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:04,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:04,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:15:04,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:04,550 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:15:04,551 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:04,663 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:15:04,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379531153] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:15:04,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:15:04,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 09:15:04,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840440956] [2025-02-08 09:15:04,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:04,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:15:04,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:04,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:15:04,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:15:04,666 INFO L87 Difference]: Start difference. First operand 523 states and 619 transitions. Second operand has 7 states, 6 states have (on average 35.666666666666664) internal successors, (214), 7 states have internal predecessors, (214), 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) [2025-02-08 09:15:05,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:05,178 INFO L93 Difference]: Finished difference Result 547 states and 623 transitions. [2025-02-08 09:15:05,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:15:05,178 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 35.666666666666664) internal successors, (214), 7 states have internal predecessors, (214), 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 119 [2025-02-08 09:15:05,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:05,180 INFO L225 Difference]: With dead ends: 547 [2025-02-08 09:15:05,180 INFO L226 Difference]: Without dead ends: 542 [2025-02-08 09:15:05,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:15:05,181 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 390 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:05,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 667 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:15:05,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2025-02-08 09:15:05,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 519. [2025-02-08 09:15:05,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 404 states have (on average 1.3663366336633664) internal successors, (552), 488 states have internal predecessors, (552), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-02-08 09:15:05,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 610 transitions. [2025-02-08 09:15:05,196 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 610 transitions. Word has length 119 [2025-02-08 09:15:05,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:05,196 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 610 transitions. [2025-02-08 09:15:05,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 35.666666666666664) internal successors, (214), 7 states have internal predecessors, (214), 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) [2025-02-08 09:15:05,197 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 610 transitions. [2025-02-08 09:15:05,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-08 09:15:05,200 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:05,200 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] [2025-02-08 09:15:05,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-08 09:15:05,400 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 [2025-02-08 09:15:05,401 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:05,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:05,402 INFO L85 PathProgramCache]: Analyzing trace with hash 667527130, now seen corresponding path program 1 times [2025-02-08 09:15:05,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:05,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382647643] [2025-02-08 09:15:05,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:05,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:05,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-08 09:15:05,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-08 09:15:05,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:05,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:05,481 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:15:05,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:05,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382647643] [2025-02-08 09:15:05,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382647643] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:15:05,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271792558] [2025-02-08 09:15:05,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:05,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:05,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:05,483 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:05,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 09:15:05,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-08 09:15:05,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-08 09:15:05,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:05,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:05,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:15:05,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:15:05,680 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:05,829 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:15:05,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271792558] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:15:05,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:15:05,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 09:15:05,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208176722] [2025-02-08 09:15:05,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:05,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:15:05,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:05,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:15:05,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:15:05,830 INFO L87 Difference]: Start difference. First operand 519 states and 610 transitions. Second operand has 7 states, 6 states have (on average 36.0) internal successors, (216), 7 states have internal predecessors, (216), 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) [2025-02-08 09:15:06,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:06,233 INFO L93 Difference]: Finished difference Result 543 states and 614 transitions. [2025-02-08 09:15:06,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:15:06,234 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 36.0) internal successors, (216), 7 states have internal predecessors, (216), 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 120 [2025-02-08 09:15:06,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:06,235 INFO L225 Difference]: With dead ends: 543 [2025-02-08 09:15:06,235 INFO L226 Difference]: Without dead ends: 538 [2025-02-08 09:15:06,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:15:06,240 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 688 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 703 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:06,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [703 Valid, 443 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:15:06,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2025-02-08 09:15:06,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 515. [2025-02-08 09:15:06,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 404 states have (on average 1.3440594059405941) internal successors, (543), 484 states have internal predecessors, (543), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-02-08 09:15:06,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 601 transitions. [2025-02-08 09:15:06,253 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 601 transitions. Word has length 120 [2025-02-08 09:15:06,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:06,253 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 601 transitions. [2025-02-08 09:15:06,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 36.0) internal successors, (216), 7 states have internal predecessors, (216), 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) [2025-02-08 09:15:06,253 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 601 transitions. [2025-02-08 09:15:06,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-08 09:15:06,255 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:06,255 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] [2025-02-08 09:15:06,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-08 09:15:06,455 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 [2025-02-08 09:15:06,456 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:06,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:06,456 INFO L85 PathProgramCache]: Analyzing trace with hash -781495239, now seen corresponding path program 1 times [2025-02-08 09:15:06,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:06,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219650122] [2025-02-08 09:15:06,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:06,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:06,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 09:15:06,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 09:15:06,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:06,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:06,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1996870913] [2025-02-08 09:15:06,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:06,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:06,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:06,473 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:06,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 09:15:06,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 09:15:06,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 09:15:06,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:06,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:06,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:15:06,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:06,876 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:15:06,876 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:07,073 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:15:07,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:07,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219650122] [2025-02-08 09:15:07,073 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:15:07,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996870913] [2025-02-08 09:15:07,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996870913] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:15:07,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:15:07,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:15:07,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358688610] [2025-02-08 09:15:07,074 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:07,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:15:07,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:07,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:15:07,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:15:07,074 INFO L87 Difference]: Start difference. First operand 515 states and 601 transitions. Second operand has 10 states, 9 states have (on average 18.333333333333332) internal successors, (165), 10 states have internal predecessors, (165), 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) [2025-02-08 09:15:08,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:08,694 INFO L93 Difference]: Finished difference Result 558 states and 605 transitions. [2025-02-08 09:15:08,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:15:08,694 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.333333333333332) internal successors, (165), 10 states have internal predecessors, (165), 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 121 [2025-02-08 09:15:08,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:08,695 INFO L225 Difference]: With dead ends: 558 [2025-02-08 09:15:08,695 INFO L226 Difference]: Without dead ends: 410 [2025-02-08 09:15:08,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:15:08,696 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 965 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 1437 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:08,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [975 Valid, 473 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1437 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-02-08 09:15:08,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2025-02-08 09:15:08,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 404. [2025-02-08 09:15:08,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 300 states have (on average 1.33) internal successors, (399), 379 states have internal predecessors, (399), 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) [2025-02-08 09:15:08,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 445 transitions. [2025-02-08 09:15:08,708 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 445 transitions. Word has length 121 [2025-02-08 09:15:08,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:08,708 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 445 transitions. [2025-02-08 09:15:08,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.333333333333332) internal successors, (165), 10 states have internal predecessors, (165), 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) [2025-02-08 09:15:08,709 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 445 transitions. [2025-02-08 09:15:08,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-02-08 09:15:08,709 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:08,709 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-08 09:15:08,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-08 09:15:08,916 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 [2025-02-08 09:15:08,917 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:08,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:08,917 INFO L85 PathProgramCache]: Analyzing trace with hash 960446756, now seen corresponding path program 1 times [2025-02-08 09:15:08,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:08,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224900088] [2025-02-08 09:15:08,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:08,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:08,925 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-02-08 09:15:08,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-02-08 09:15:08,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:08,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:08,982 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2025-02-08 09:15:08,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:08,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224900088] [2025-02-08 09:15:08,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224900088] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:15:08,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:15:08,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:15:08,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686412748] [2025-02-08 09:15:08,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:15:08,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:15:08,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:08,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:15:08,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:15:08,983 INFO L87 Difference]: Start difference. First operand 404 states and 445 transitions. Second operand has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 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) [2025-02-08 09:15:09,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:09,141 INFO L93 Difference]: Finished difference Result 404 states and 445 transitions. [2025-02-08 09:15:09,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:15:09,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 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 163 [2025-02-08 09:15:09,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:09,143 INFO L225 Difference]: With dead ends: 404 [2025-02-08 09:15:09,143 INFO L226 Difference]: Without dead ends: 401 [2025-02-08 09:15:09,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:15:09,144 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 126 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:09,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 152 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:15:09,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2025-02-08 09:15:09,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2025-02-08 09:15:09,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 300 states have (on average 1.3166666666666667) internal successors, (395), 376 states have internal predecessors, (395), 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) [2025-02-08 09:15:09,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 441 transitions. [2025-02-08 09:15:09,155 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 441 transitions. Word has length 163 [2025-02-08 09:15:09,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:09,156 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 441 transitions. [2025-02-08 09:15:09,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 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) [2025-02-08 09:15:09,156 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 441 transitions. [2025-02-08 09:15:09,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-02-08 09:15:09,157 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:09,157 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] [2025-02-08 09:15:09,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-02-08 09:15:09,157 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:09,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:09,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1750551624, now seen corresponding path program 1 times [2025-02-08 09:15:09,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:09,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989735331] [2025-02-08 09:15:09,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:09,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:09,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-02-08 09:15:09,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-02-08 09:15:09,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:09,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:15:09,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:09,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989735331] [2025-02-08 09:15:09,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989735331] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:15:09,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889954133] [2025-02-08 09:15:09,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:09,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:09,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:09,235 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:09,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 09:15:09,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-02-08 09:15:09,280 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-02-08 09:15:09,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:09,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:09,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:15:09,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:15:09,391 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:09,531 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:15:09,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889954133] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:15:09,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:15:09,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-02-08 09:15:09,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988293528] [2025-02-08 09:15:09,532 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:09,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:15:09,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:09,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:15:09,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:15:09,533 INFO L87 Difference]: Start difference. First operand 401 states and 441 transitions. Second operand has 9 states, 8 states have (on average 34.5) internal successors, (276), 9 states have internal predecessors, (276), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2025-02-08 09:15:09,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:09,793 INFO L93 Difference]: Finished difference Result 424 states and 450 transitions. [2025-02-08 09:15:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:15:09,793 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 34.5) internal successors, (276), 9 states have internal predecessors, (276), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 166 [2025-02-08 09:15:09,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:09,797 INFO L225 Difference]: With dead ends: 424 [2025-02-08 09:15:09,797 INFO L226 Difference]: Without dead ends: 422 [2025-02-08 09:15:09,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:15:09,797 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 610 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:09,798 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 696 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:15:09,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2025-02-08 09:15:09,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 399. [2025-02-08 09:15:09,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 300 states have (on average 1.3033333333333332) internal successors, (391), 374 states have internal predecessors, (391), 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) [2025-02-08 09:15:09,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 437 transitions. [2025-02-08 09:15:09,809 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 437 transitions. Word has length 166 [2025-02-08 09:15:09,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:09,809 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 437 transitions. [2025-02-08 09:15:09,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 34.5) internal successors, (276), 9 states have internal predecessors, (276), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2025-02-08 09:15:09,809 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 437 transitions. [2025-02-08 09:15:09,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-02-08 09:15:09,810 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:09,810 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] [2025-02-08 09:15:09,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-08 09:15:10,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-08 09:15:10,015 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:10,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:10,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1567474634, now seen corresponding path program 1 times [2025-02-08 09:15:10,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:10,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167544248] [2025-02-08 09:15:10,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:10,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:10,030 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-02-08 09:15:10,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-02-08 09:15:10,043 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:10,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:10,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [62027699] [2025-02-08 09:15:10,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:10,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:10,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:10,050 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:10,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 09:15:10,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-02-08 09:15:10,101 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-02-08 09:15:10,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:10,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:10,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:15:10,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:10,434 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:15:10,434 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:10,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:10,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167544248] [2025-02-08 09:15:10,968 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:15:10,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62027699] [2025-02-08 09:15:10,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62027699] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:15:10,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:15:10,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:15:10,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709254177] [2025-02-08 09:15:10,968 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:10,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:15:10,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:10,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:15:10,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:15:10,969 INFO L87 Difference]: Start difference. First operand 399 states and 437 transitions. Second operand has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 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) [2025-02-08 09:15:11,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:11,386 INFO L93 Difference]: Finished difference Result 400 states and 437 transitions. [2025-02-08 09:15:11,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:15:11,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 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 167 [2025-02-08 09:15:11,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:11,388 INFO L225 Difference]: With dead ends: 400 [2025-02-08 09:15:11,388 INFO L226 Difference]: Without dead ends: 399 [2025-02-08 09:15:11,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:15:11,388 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 32 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:11,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 425 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:15:11,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2025-02-08 09:15:11,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2025-02-08 09:15:11,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 300 states have (on average 1.3) internal successors, (390), 374 states have internal predecessors, (390), 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) [2025-02-08 09:15:11,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 436 transitions. [2025-02-08 09:15:11,400 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 436 transitions. Word has length 167 [2025-02-08 09:15:11,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:11,401 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 436 transitions. [2025-02-08 09:15:11,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 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) [2025-02-08 09:15:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 436 transitions. [2025-02-08 09:15:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-02-08 09:15:11,402 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:11,402 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] [2025-02-08 09:15:11,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-08 09:15:11,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-08 09:15:11,603 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:11,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:11,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1347073526, now seen corresponding path program 1 times [2025-02-08 09:15:11,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:11,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323510424] [2025-02-08 09:15:11,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:11,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:11,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-08 09:15:11,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-08 09:15:11,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:11,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:11,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1110153089] [2025-02-08 09:15:11,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:11,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:11,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:11,626 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:11,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-08 09:15:11,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-08 09:15:11,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-08 09:15:11,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:11,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:11,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:15:11,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:12,227 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:15:12,227 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:12,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:12,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323510424] [2025-02-08 09:15:12,339 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:15:12,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110153089] [2025-02-08 09:15:12,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110153089] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:15:12,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:15:12,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:15:12,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950267702] [2025-02-08 09:15:12,340 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:12,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:15:12,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:12,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:15:12,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:15:12,340 INFO L87 Difference]: Start difference. First operand 399 states and 436 transitions. Second operand has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 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) [2025-02-08 09:15:12,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:12,807 INFO L93 Difference]: Finished difference Result 410 states and 436 transitions. [2025-02-08 09:15:12,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:15:12,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 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 168 [2025-02-08 09:15:12,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:12,809 INFO L225 Difference]: With dead ends: 410 [2025-02-08 09:15:12,809 INFO L226 Difference]: Without dead ends: 409 [2025-02-08 09:15:12,809 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:15:12,809 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 69 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:12,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 510 Invalid, 874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:15:12,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-02-08 09:15:12,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 399. [2025-02-08 09:15:12,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 300 states have (on average 1.2966666666666666) internal successors, (389), 374 states have internal predecessors, (389), 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) [2025-02-08 09:15:12,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 435 transitions. [2025-02-08 09:15:12,825 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 435 transitions. Word has length 168 [2025-02-08 09:15:12,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:12,825 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 435 transitions. [2025-02-08 09:15:12,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 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) [2025-02-08 09:15:12,825 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 435 transitions. [2025-02-08 09:15:12,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-02-08 09:15:12,826 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:12,826 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] [2025-02-08 09:15:12,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-08 09:15:13,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-08 09:15:13,029 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:13,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:13,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1506875706, now seen corresponding path program 1 times [2025-02-08 09:15:13,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:13,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483919286] [2025-02-08 09:15:13,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:13,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:13,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-08 09:15:13,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-08 09:15:13,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:13,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:13,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1125163123] [2025-02-08 09:15:13,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:13,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:13,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:13,051 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:13,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-08 09:15:13,083 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-08 09:15:13,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-08 09:15:13,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:13,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:13,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:15:13,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:14,331 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:15:14,331 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:14,819 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:15:14,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:14,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483919286] [2025-02-08 09:15:14,820 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:15:14,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125163123] [2025-02-08 09:15:14,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125163123] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:15:14,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:15:14,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:15:14,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283855393] [2025-02-08 09:15:14,823 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:14,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:15:14,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:14,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:15:14,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:15:14,824 INFO L87 Difference]: Start difference. First operand 399 states and 435 transitions. Second operand has 10 states, 9 states have (on average 26.11111111111111) internal successors, (235), 10 states have internal predecessors, (235), 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) [2025-02-08 09:15:16,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:16,944 INFO L93 Difference]: Finished difference Result 407 states and 435 transitions. [2025-02-08 09:15:16,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:15:16,945 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 26.11111111111111) internal successors, (235), 10 states have internal predecessors, (235), 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 171 [2025-02-08 09:15:16,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:16,950 INFO L225 Difference]: With dead ends: 407 [2025-02-08 09:15:16,953 INFO L226 Difference]: Without dead ends: 399 [2025-02-08 09:15:16,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:15:16,954 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 245 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:16,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 258 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-02-08 09:15:16,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2025-02-08 09:15:16,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2025-02-08 09:15:16,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 300 states have (on average 1.27) internal successors, (381), 374 states have internal predecessors, (381), 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) [2025-02-08 09:15:16,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 427 transitions. [2025-02-08 09:15:16,980 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 427 transitions. Word has length 171 [2025-02-08 09:15:16,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:16,980 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 427 transitions. [2025-02-08 09:15:16,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 26.11111111111111) internal successors, (235), 10 states have internal predecessors, (235), 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) [2025-02-08 09:15:16,981 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 427 transitions. [2025-02-08 09:15:16,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-08 09:15:16,981 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:16,981 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] [2025-02-08 09:15:16,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-08 09:15:17,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:17,183 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:17,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:17,187 INFO L85 PathProgramCache]: Analyzing trace with hash -533498378, now seen corresponding path program 1 times [2025-02-08 09:15:17,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:17,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090410576] [2025-02-08 09:15:17,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:17,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:17,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-08 09:15:17,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-08 09:15:17,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:17,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:17,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1703219904] [2025-02-08 09:15:17,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:17,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:17,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:17,222 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:17,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-08 09:15:17,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-08 09:15:17,280 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-08 09:15:17,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:17,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:17,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:15:17,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:17,851 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 33 proven. 53 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2025-02-08 09:15:17,852 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:17,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:17,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090410576] [2025-02-08 09:15:17,909 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:15:17,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703219904] [2025-02-08 09:15:17,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703219904] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:15:17,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:15:17,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:15:17,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439045337] [2025-02-08 09:15:17,909 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:17,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:15:17,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:17,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:15:17,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:15:17,910 INFO L87 Difference]: Start difference. First operand 399 states and 427 transitions. Second operand has 9 states, 8 states have (on average 17.0) internal successors, (136), 9 states have internal predecessors, (136), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2025-02-08 09:15:18,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:18,692 INFO L93 Difference]: Finished difference Result 407 states and 429 transitions. [2025-02-08 09:15:18,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:15:18,693 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.0) internal successors, (136), 9 states have internal predecessors, (136), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 190 [2025-02-08 09:15:18,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:18,694 INFO L225 Difference]: With dead ends: 407 [2025-02-08 09:15:18,694 INFO L226 Difference]: Without dead ends: 367 [2025-02-08 09:15:18,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:15:18,694 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 28 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 1245 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:18,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 815 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1245 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:15:18,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2025-02-08 09:15:18,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 365. [2025-02-08 09:15:18,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 268 states have (on average 1.2798507462686568) internal successors, (343), 342 states have internal predecessors, (343), 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) [2025-02-08 09:15:18,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 385 transitions. [2025-02-08 09:15:18,719 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 385 transitions. Word has length 190 [2025-02-08 09:15:18,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:18,719 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 385 transitions. [2025-02-08 09:15:18,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.0) internal successors, (136), 9 states have internal predecessors, (136), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2025-02-08 09:15:18,719 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 385 transitions. [2025-02-08 09:15:18,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-02-08 09:15:18,720 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:18,720 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] [2025-02-08 09:15:18,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-08 09:15:18,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:18,920 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:18,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:18,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1970978142, now seen corresponding path program 1 times [2025-02-08 09:15:18,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:18,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073369488] [2025-02-08 09:15:18,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:18,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:18,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-02-08 09:15:18,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-02-08 09:15:18,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:18,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:18,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [174160421] [2025-02-08 09:15:18,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:18,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:18,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:18,955 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:18,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-08 09:15:18,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-02-08 09:15:19,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-02-08 09:15:19,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:19,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:19,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:15:19,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:19,161 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-08 09:15:19,161 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:19,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:19,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073369488] [2025-02-08 09:15:19,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:15:19,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174160421] [2025-02-08 09:15:19,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174160421] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:15:19,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:15:19,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:15:19,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797089552] [2025-02-08 09:15:19,223 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:19,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:15:19,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:19,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:15:19,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:15:19,224 INFO L87 Difference]: Start difference. First operand 365 states and 385 transitions. Second operand has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 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) [2025-02-08 09:15:19,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:19,327 INFO L93 Difference]: Finished difference Result 565 states and 594 transitions. [2025-02-08 09:15:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:15:19,327 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 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 192 [2025-02-08 09:15:19,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:19,329 INFO L225 Difference]: With dead ends: 565 [2025-02-08 09:15:19,329 INFO L226 Difference]: Without dead ends: 564 [2025-02-08 09:15:19,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:15:19,329 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 184 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:19,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 803 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:15:19,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2025-02-08 09:15:19,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 372. [2025-02-08 09:15:19,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 274 states have (on average 1.2737226277372262) internal successors, (349), 348 states have internal predecessors, (349), 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) [2025-02-08 09:15:19,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 393 transitions. [2025-02-08 09:15:19,344 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 393 transitions. Word has length 192 [2025-02-08 09:15:19,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:19,346 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 393 transitions. [2025-02-08 09:15:19,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 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) [2025-02-08 09:15:19,346 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 393 transitions. [2025-02-08 09:15:19,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2025-02-08 09:15:19,347 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:19,347 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] [2025-02-08 09:15:19,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-02-08 09:15:19,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:19,548 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:19,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:19,548 INFO L85 PathProgramCache]: Analyzing trace with hash 880536333, now seen corresponding path program 2 times [2025-02-08 09:15:19,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:19,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558706595] [2025-02-08 09:15:19,549 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:15:19,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:19,556 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 199 statements into 2 equivalence classes. [2025-02-08 09:15:19,566 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 199 of 199 statements. [2025-02-08 09:15:19,566 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:15:19,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:19,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [737235230] [2025-02-08 09:15:19,567 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:15:19,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:19,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:19,568 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:19,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-08 09:15:19,613 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 199 statements into 2 equivalence classes. [2025-02-08 09:15:19,668 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 199 of 199 statements. [2025-02-08 09:15:19,668 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:15:19,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:19,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:15:19,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:20,121 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:15:20,121 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:20,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:20,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558706595] [2025-02-08 09:15:20,412 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:15:20,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737235230] [2025-02-08 09:15:20,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737235230] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:15:20,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:15:20,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:15:20,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412870086] [2025-02-08 09:15:20,412 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:20,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:15:20,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:20,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:15:20,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:15:20,413 INFO L87 Difference]: Start difference. First operand 372 states and 393 transitions. Second operand has 9 states, 8 states have (on average 17.125) internal successors, (137), 9 states have internal predecessors, (137), 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) [2025-02-08 09:15:21,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:21,141 INFO L93 Difference]: Finished difference Result 523 states and 600 transitions. [2025-02-08 09:15:21,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:15:21,145 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.125) internal successors, (137), 9 states have internal predecessors, (137), 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 199 [2025-02-08 09:15:21,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:21,146 INFO L225 Difference]: With dead ends: 523 [2025-02-08 09:15:21,146 INFO L226 Difference]: Without dead ends: 502 [2025-02-08 09:15:21,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:15:21,147 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 120 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 1996 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 2016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:21,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 495 Invalid, 2016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1996 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:15:21,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2025-02-08 09:15:21,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 491. [2025-02-08 09:15:21,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 385 states have (on average 1.3220779220779222) internal successors, (509), 459 states have internal predecessors, (509), 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) [2025-02-08 09:15:21,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 569 transitions. [2025-02-08 09:15:21,176 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 569 transitions. Word has length 199 [2025-02-08 09:15:21,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:21,176 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 569 transitions. [2025-02-08 09:15:21,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.125) internal successors, (137), 9 states have internal predecessors, (137), 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) [2025-02-08 09:15:21,180 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 569 transitions. [2025-02-08 09:15:21,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2025-02-08 09:15:21,180 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:21,181 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] [2025-02-08 09:15:21,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-02-08 09:15:21,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:21,381 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:21,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:21,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1526822762, now seen corresponding path program 2 times [2025-02-08 09:15:21,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:21,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590496809] [2025-02-08 09:15:21,382 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:15:21,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:21,388 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 200 statements into 2 equivalence classes. [2025-02-08 09:15:21,394 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 200 of 200 statements. [2025-02-08 09:15:21,395 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:15:21,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:21,486 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:15:21,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:21,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590496809] [2025-02-08 09:15:21,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590496809] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:15:21,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682797375] [2025-02-08 09:15:21,487 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:15:21,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:21,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:21,491 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:21,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-08 09:15:21,528 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 200 statements into 2 equivalence classes. [2025-02-08 09:15:21,552 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 200 of 200 statements. [2025-02-08 09:15:21,552 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:15:21,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:21,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:15:21,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:21,896 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:15:21,896 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:22,100 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:15:22,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682797375] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:15:22,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:15:22,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-08 09:15:22,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577596903] [2025-02-08 09:15:22,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:22,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:15:22,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:22,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:15:22,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:15:22,101 INFO L87 Difference]: Start difference. First operand 491 states and 569 transitions. Second operand has 13 states, 12 states have (on average 31.833333333333332) internal successors, (382), 13 states have internal predecessors, (382), 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) [2025-02-08 09:15:22,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:22,967 INFO L93 Difference]: Finished difference Result 491 states and 569 transitions. [2025-02-08 09:15:22,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:15:22,969 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 31.833333333333332) internal successors, (382), 13 states have internal predecessors, (382), 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 200 [2025-02-08 09:15:22,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:22,974 INFO L225 Difference]: With dead ends: 491 [2025-02-08 09:15:22,974 INFO L226 Difference]: Without dead ends: 487 [2025-02-08 09:15:22,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:15:22,975 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 779 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:22,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [779 Valid, 424 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 09:15:22,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2025-02-08 09:15:22,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2025-02-08 09:15:22,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 385 states have (on average 1.3012987012987014) internal successors, (501), 455 states have internal predecessors, (501), 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) [2025-02-08 09:15:22,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 561 transitions. [2025-02-08 09:15:22,995 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 561 transitions. Word has length 200 [2025-02-08 09:15:22,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:22,996 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 561 transitions. [2025-02-08 09:15:22,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 31.833333333333332) internal successors, (382), 13 states have internal predecessors, (382), 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) [2025-02-08 09:15:22,996 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 561 transitions. [2025-02-08 09:15:22,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2025-02-08 09:15:22,997 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:22,997 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] [2025-02-08 09:15:23,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-08 09:15:23,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-02-08 09:15:23,198 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:23,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:23,198 INFO L85 PathProgramCache]: Analyzing trace with hash 86865579, now seen corresponding path program 2 times [2025-02-08 09:15:23,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:23,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544195382] [2025-02-08 09:15:23,198 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:15:23,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:23,203 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 201 statements into 2 equivalence classes. [2025-02-08 09:15:23,209 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 201 of 201 statements. [2025-02-08 09:15:23,209 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:15:23,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:15:23,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:23,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544195382] [2025-02-08 09:15:23,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544195382] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:15:23,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077022159] [2025-02-08 09:15:23,284 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:15:23,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:23,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:23,286 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:23,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-08 09:15:23,313 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 201 statements into 2 equivalence classes. [2025-02-08 09:15:23,340 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 201 of 201 statements. [2025-02-08 09:15:23,340 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:15:23,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:23,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:15:23,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:23,677 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:15:23,678 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:23,877 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:15:23,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077022159] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:15:23,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:15:23,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-08 09:15:23,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722466407] [2025-02-08 09:15:23,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:23,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:15:23,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:23,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:15:23,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:15:23,879 INFO L87 Difference]: Start difference. First operand 487 states and 561 transitions. Second operand has 13 states, 12 states have (on average 32.0) internal successors, (384), 13 states have internal predecessors, (384), 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) [2025-02-08 09:15:24,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:24,503 INFO L93 Difference]: Finished difference Result 545 states and 606 transitions. [2025-02-08 09:15:24,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:15:24,503 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 32.0) internal successors, (384), 13 states have internal predecessors, (384), 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 201 [2025-02-08 09:15:24,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:24,505 INFO L225 Difference]: With dead ends: 545 [2025-02-08 09:15:24,505 INFO L226 Difference]: Without dead ends: 543 [2025-02-08 09:15:24,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:15:24,505 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 569 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:24,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 575 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:15:24,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2025-02-08 09:15:24,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 515. [2025-02-08 09:15:24,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 410 states have (on average 1.2853658536585366) internal successors, (527), 480 states have internal predecessors, (527), 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) [2025-02-08 09:15:24,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 593 transitions. [2025-02-08 09:15:24,523 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 593 transitions. Word has length 201 [2025-02-08 09:15:24,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:24,523 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 593 transitions. [2025-02-08 09:15:24,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.0) internal successors, (384), 13 states have internal predecessors, (384), 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) [2025-02-08 09:15:24,524 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 593 transitions. [2025-02-08 09:15:24,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2025-02-08 09:15:24,525 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:24,525 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] [2025-02-08 09:15:24,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-08 09:15:24,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-08 09:15:24,726 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:24,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:24,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1873449545, now seen corresponding path program 1 times [2025-02-08 09:15:24,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:24,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608595130] [2025-02-08 09:15:24,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:24,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:24,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 203 statements into 1 equivalence classes. [2025-02-08 09:15:24,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 203 of 203 statements. [2025-02-08 09:15:24,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:24,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:24,888 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:15:24,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:24,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608595130] [2025-02-08 09:15:24,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608595130] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:15:24,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623720347] [2025-02-08 09:15:24,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:24,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:24,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:24,892 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:24,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-08 09:15:24,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 203 statements into 1 equivalence classes. [2025-02-08 09:15:24,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 203 of 203 statements. [2025-02-08 09:15:24,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:24,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:24,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:15:24,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:25,428 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:15:25,428 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:25,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623720347] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:15:25,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:15:25,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-08 09:15:25,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877877035] [2025-02-08 09:15:25,528 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:25,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:15:25,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:25,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:15:25,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:15:25,529 INFO L87 Difference]: Start difference. First operand 515 states and 593 transitions. Second operand has 11 states, 10 states have (on average 25.5) internal successors, (255), 11 states have internal predecessors, (255), 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) [2025-02-08 09:15:27,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:27,096 INFO L93 Difference]: Finished difference Result 515 states and 593 transitions. [2025-02-08 09:15:27,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:15:27,097 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.5) internal successors, (255), 11 states have internal predecessors, (255), 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 203 [2025-02-08 09:15:27,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:27,100 INFO L225 Difference]: With dead ends: 515 [2025-02-08 09:15:27,102 INFO L226 Difference]: Without dead ends: 504 [2025-02-08 09:15:27,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:15:27,103 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 618 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:27,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [618 Valid, 533 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1055 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-02-08 09:15:27,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2025-02-08 09:15:27,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2025-02-08 09:15:27,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 410 states have (on average 1.2536585365853659) internal successors, (514), 469 states have internal predecessors, (514), 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) [2025-02-08 09:15:27,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 580 transitions. [2025-02-08 09:15:27,119 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 580 transitions. Word has length 203 [2025-02-08 09:15:27,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:27,119 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 580 transitions. [2025-02-08 09:15:27,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.5) internal successors, (255), 11 states have internal predecessors, (255), 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) [2025-02-08 09:15:27,120 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 580 transitions. [2025-02-08 09:15:27,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2025-02-08 09:15:27,120 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:27,120 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] [2025-02-08 09:15:27,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-08 09:15:27,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-02-08 09:15:27,325 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:27,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:27,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1164410940, now seen corresponding path program 1 times [2025-02-08 09:15:27,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:27,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011564176] [2025-02-08 09:15:27,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:27,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:27,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 206 statements into 1 equivalence classes. [2025-02-08 09:15:27,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 206 of 206 statements. [2025-02-08 09:15:27,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:27,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:27,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1220045708] [2025-02-08 09:15:27,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:27,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:27,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:27,355 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:27,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-08 09:15:27,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 206 statements into 1 equivalence classes. [2025-02-08 09:15:27,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 206 of 206 statements. [2025-02-08 09:15:27,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:27,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:27,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:15:27,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:28,104 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:15:28,105 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:28,514 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:15:28,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:28,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011564176] [2025-02-08 09:15:28,514 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:15:28,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220045708] [2025-02-08 09:15:28,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220045708] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:15:28,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:15:28,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-08 09:15:28,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862829828] [2025-02-08 09:15:28,515 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:28,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:15:28,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:28,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:15:28,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:15:28,517 INFO L87 Difference]: Start difference. First operand 504 states and 580 transitions. Second operand has 16 states, 15 states have (on average 19.0) internal successors, (285), 16 states have internal predecessors, (285), 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) [2025-02-08 09:15:31,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:31,520 INFO L93 Difference]: Finished difference Result 803 states and 977 transitions. [2025-02-08 09:15:31,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:15:31,520 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 19.0) internal successors, (285), 16 states have internal predecessors, (285), 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 206 [2025-02-08 09:15:31,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:31,525 INFO L225 Difference]: With dead ends: 803 [2025-02-08 09:15:31,526 INFO L226 Difference]: Without dead ends: 722 [2025-02-08 09:15:31,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:15:31,526 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 986 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 2690 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 2798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 2690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:31,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 1014 Invalid, 2798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 2690 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2025-02-08 09:15:31,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2025-02-08 09:15:31,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 522. [2025-02-08 09:15:31,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 427 states have (on average 1.2271662763466042) internal successors, (524), 485 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) [2025-02-08 09:15:31,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 594 transitions. [2025-02-08 09:15:31,568 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 594 transitions. Word has length 206 [2025-02-08 09:15:31,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:31,568 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 594 transitions. [2025-02-08 09:15:31,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 19.0) internal successors, (285), 16 states have internal predecessors, (285), 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) [2025-02-08 09:15:31,568 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 594 transitions. [2025-02-08 09:15:31,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2025-02-08 09:15:31,569 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:31,569 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] [2025-02-08 09:15:31,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-08 09:15:31,775 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 [2025-02-08 09:15:31,775 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:31,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:31,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1235591975, now seen corresponding path program 2 times [2025-02-08 09:15:31,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:31,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417030202] [2025-02-08 09:15:31,776 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:15:31,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:31,782 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 248 statements into 2 equivalence classes. [2025-02-08 09:15:31,792 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 248 of 248 statements. [2025-02-08 09:15:31,792 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:15:31,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:31,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [44904101] [2025-02-08 09:15:31,793 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:15:31,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:31,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:31,795 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:31,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-08 09:15:31,824 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 248 statements into 2 equivalence classes. [2025-02-08 09:15:31,855 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 248 of 248 statements. [2025-02-08 09:15:31,856 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:15:31,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:31,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:15:31,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:32,451 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:15:32,451 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:32,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:32,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417030202] [2025-02-08 09:15:32,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:15:32,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44904101] [2025-02-08 09:15:32,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44904101] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:15:32,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:15:32,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:15:32,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099489912] [2025-02-08 09:15:32,869 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:32,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:15:32,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:32,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:15:32,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:15:32,870 INFO L87 Difference]: Start difference. First operand 522 states and 594 transitions. Second operand has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 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) [2025-02-08 09:15:33,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:33,957 INFO L93 Difference]: Finished difference Result 522 states and 594 transitions. [2025-02-08 09:15:33,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:15:33,957 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 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 248 [2025-02-08 09:15:33,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:33,959 INFO L225 Difference]: With dead ends: 522 [2025-02-08 09:15:33,959 INFO L226 Difference]: Without dead ends: 519 [2025-02-08 09:15:33,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=224, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:15:33,960 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 412 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:33,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 195 Invalid, 1252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:15:33,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2025-02-08 09:15:33,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2025-02-08 09:15:33,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 427 states have (on average 1.2131147540983607) internal successors, (518), 482 states have internal predecessors, (518), 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) [2025-02-08 09:15:33,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 588 transitions. [2025-02-08 09:15:33,997 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 588 transitions. Word has length 248 [2025-02-08 09:15:33,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:34,000 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 588 transitions. [2025-02-08 09:15:34,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 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) [2025-02-08 09:15:34,001 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 588 transitions. [2025-02-08 09:15:34,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2025-02-08 09:15:34,001 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:34,001 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] [2025-02-08 09:15:34,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-02-08 09:15:34,202 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 [2025-02-08 09:15:34,202 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:34,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:34,203 INFO L85 PathProgramCache]: Analyzing trace with hash 351354567, now seen corresponding path program 2 times [2025-02-08 09:15:34,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:34,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182025344] [2025-02-08 09:15:34,203 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:15:34,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:34,209 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 249 statements into 2 equivalence classes. [2025-02-08 09:15:34,234 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 249 of 249 statements. [2025-02-08 09:15:34,234 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:15:34,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:34,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1511059738] [2025-02-08 09:15:34,240 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:15:34,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:34,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:34,242 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:34,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-08 09:15:34,268 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 249 statements into 2 equivalence classes. [2025-02-08 09:15:34,301 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 249 of 249 statements. [2025-02-08 09:15:34,301 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:15:34,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:34,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:15:34,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:34,838 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:15:34,838 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:34,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:34,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182025344] [2025-02-08 09:15:34,976 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:15:34,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511059738] [2025-02-08 09:15:34,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511059738] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:15:34,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:15:34,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-08 09:15:34,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811264891] [2025-02-08 09:15:34,976 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:34,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:15:34,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:34,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:15:34,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:15:34,977 INFO L87 Difference]: Start difference. First operand 519 states and 588 transitions. Second operand has 10 states, 9 states have (on average 19.11111111111111) internal successors, (172), 10 states have internal predecessors, (172), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-02-08 09:15:35,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:35,890 INFO L93 Difference]: Finished difference Result 528 states and 588 transitions. [2025-02-08 09:15:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:15:35,890 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.11111111111111) internal successors, (172), 10 states have internal predecessors, (172), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 249 [2025-02-08 09:15:35,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:35,892 INFO L225 Difference]: With dead ends: 528 [2025-02-08 09:15:35,892 INFO L226 Difference]: Without dead ends: 527 [2025-02-08 09:15:35,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:15:35,893 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 117 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 2061 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 2072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:35,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 665 Invalid, 2072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2061 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-08 09:15:35,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2025-02-08 09:15:35,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 519. [2025-02-08 09:15:35,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 427 states have (on average 1.2107728337236534) internal successors, (517), 482 states have internal predecessors, (517), 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) [2025-02-08 09:15:35,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 587 transitions. [2025-02-08 09:15:35,914 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 587 transitions. Word has length 249 [2025-02-08 09:15:35,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:35,914 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 587 transitions. [2025-02-08 09:15:35,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.11111111111111) internal successors, (172), 10 states have internal predecessors, (172), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-02-08 09:15:35,915 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 587 transitions. [2025-02-08 09:15:35,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2025-02-08 09:15:35,916 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:35,916 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] [2025-02-08 09:15:35,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-02-08 09:15:36,116 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 [2025-02-08 09:15:36,117 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:36,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:36,117 INFO L85 PathProgramCache]: Analyzing trace with hash 368730197, now seen corresponding path program 2 times [2025-02-08 09:15:36,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:36,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750544350] [2025-02-08 09:15:36,117 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:15:36,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:36,123 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-02-08 09:15:36,137 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-02-08 09:15:36,137 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:15:36,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:36,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1457671934] [2025-02-08 09:15:36,138 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:15:36,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:36,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:36,141 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:36,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-08 09:15:36,168 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-02-08 09:15:36,221 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-02-08 09:15:36,221 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:15:36,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:36,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-08 09:15:36,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:36,931 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:15:36,931 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:37,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:37,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750544350] [2025-02-08 09:15:37,182 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:15:37,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457671934] [2025-02-08 09:15:37,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457671934] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:15:37,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:15:37,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:15:37,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417348577] [2025-02-08 09:15:37,182 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:37,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:15:37,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:37,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:15:37,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:15:37,187 INFO L87 Difference]: Start difference. First operand 519 states and 587 transitions. Second operand has 11 states, 10 states have (on average 17.5) internal successors, (175), 11 states have internal predecessors, (175), 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) [2025-02-08 09:15:37,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:37,977 INFO L93 Difference]: Finished difference Result 521 states and 587 transitions. [2025-02-08 09:15:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:15:37,978 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.5) internal successors, (175), 11 states have internal predecessors, (175), 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 252 [2025-02-08 09:15:37,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:37,979 INFO L225 Difference]: With dead ends: 521 [2025-02-08 09:15:37,979 INFO L226 Difference]: Without dead ends: 519 [2025-02-08 09:15:37,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:15:37,980 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 25 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 2439 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 2440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:37,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 503 Invalid, 2440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2439 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 09:15:37,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2025-02-08 09:15:37,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2025-02-08 09:15:37,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 427 states have (on average 1.2060889929742389) internal successors, (515), 482 states have internal predecessors, (515), 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) [2025-02-08 09:15:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 585 transitions. [2025-02-08 09:15:37,997 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 585 transitions. Word has length 252 [2025-02-08 09:15:37,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:37,999 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 585 transitions. [2025-02-08 09:15:37,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.5) internal successors, (175), 11 states have internal predecessors, (175), 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) [2025-02-08 09:15:37,999 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 585 transitions. [2025-02-08 09:15:37,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2025-02-08 09:15:38,000 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:38,000 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] [2025-02-08 09:15:38,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-08 09:15:38,204 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 [2025-02-08 09:15:38,204 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:38,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:38,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1454265661, now seen corresponding path program 1 times [2025-02-08 09:15:38,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:38,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743210529] [2025-02-08 09:15:38,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:38,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:38,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-02-08 09:15:38,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-02-08 09:15:38,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:38,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:38,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1699407600] [2025-02-08 09:15:38,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:38,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:38,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:38,229 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:38,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-08 09:15:38,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-02-08 09:15:38,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-02-08 09:15:38,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:38,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:38,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:15:38,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:38,820 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:15:38,821 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:38,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:38,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743210529] [2025-02-08 09:15:38,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:15:38,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699407600] [2025-02-08 09:15:38,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699407600] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:15:38,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:15:38,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:15:38,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512283366] [2025-02-08 09:15:38,912 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:38,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:15:38,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:38,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:15:38,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:15:38,913 INFO L87 Difference]: Start difference. First operand 519 states and 585 transitions. Second operand has 9 states, 8 states have (on average 22.0) internal successors, (176), 9 states have internal predecessors, (176), 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) [2025-02-08 09:15:39,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:39,548 INFO L93 Difference]: Finished difference Result 523 states and 585 transitions. [2025-02-08 09:15:39,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:15:39,549 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 22.0) internal successors, (176), 9 states have internal predecessors, (176), 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 253 [2025-02-08 09:15:39,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:39,550 INFO L225 Difference]: With dead ends: 523 [2025-02-08 09:15:39,550 INFO L226 Difference]: Without dead ends: 519 [2025-02-08 09:15:39,550 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:15:39,551 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 44 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 1481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:39,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 837 Invalid, 1481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1477 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:15:39,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2025-02-08 09:15:39,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2025-02-08 09:15:39,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 427 states have (on average 1.1967213114754098) internal successors, (511), 482 states have internal predecessors, (511), 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) [2025-02-08 09:15:39,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 581 transitions. [2025-02-08 09:15:39,571 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 581 transitions. Word has length 253 [2025-02-08 09:15:39,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:39,571 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 581 transitions. [2025-02-08 09:15:39,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 22.0) internal successors, (176), 9 states have internal predecessors, (176), 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) [2025-02-08 09:15:39,571 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 581 transitions. [2025-02-08 09:15:39,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2025-02-08 09:15:39,572 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:39,572 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] [2025-02-08 09:15:39,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-02-08 09:15:39,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:39,776 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:39,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:39,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1215238912, now seen corresponding path program 1 times [2025-02-08 09:15:39,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:39,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126102619] [2025-02-08 09:15:39,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:39,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:39,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-02-08 09:15:39,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-02-08 09:15:39,796 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:39,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:39,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [520050137] [2025-02-08 09:15:39,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:15:39,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:39,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:39,805 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:39,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-08 09:15:39,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-02-08 09:15:39,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-02-08 09:15:39,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:15:39,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:39,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:15:39,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:40,038 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:15:40,039 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:40,344 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:15:40,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:40,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126102619] [2025-02-08 09:15:40,345 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:15:40,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520050137] [2025-02-08 09:15:40,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520050137] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:15:40,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:15:40,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:15:40,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006426865] [2025-02-08 09:15:40,345 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:40,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:15:40,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:40,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:15:40,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:15:40,347 INFO L87 Difference]: Start difference. First operand 519 states and 581 transitions. Second operand has 10 states, 9 states have (on average 40.77777777777778) internal successors, (367), 10 states have internal predecessors, (367), 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) [2025-02-08 09:15:40,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:40,627 INFO L93 Difference]: Finished difference Result 666 states and 711 transitions. [2025-02-08 09:15:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:15:40,628 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 40.77777777777778) internal successors, (367), 10 states have internal predecessors, (367), 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 262 [2025-02-08 09:15:40,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:40,629 INFO L225 Difference]: With dead ends: 666 [2025-02-08 09:15:40,629 INFO L226 Difference]: Without dead ends: 664 [2025-02-08 09:15:40,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 514 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:15:40,630 INFO L435 NwaCegarLoop]: 357 mSDtfsCounter, 1020 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1031 SdHoareTripleChecker+Valid, 1481 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:40,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1031 Valid, 1481 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:15:40,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2025-02-08 09:15:40,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 518. [2025-02-08 09:15:40,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 427 states have (on average 1.1873536299765808) internal successors, (507), 481 states have internal predecessors, (507), 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) [2025-02-08 09:15:40,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 577 transitions. [2025-02-08 09:15:40,648 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 577 transitions. Word has length 262 [2025-02-08 09:15:40,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:40,648 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 577 transitions. [2025-02-08 09:15:40,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 40.77777777777778) internal successors, (367), 10 states have internal predecessors, (367), 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) [2025-02-08 09:15:40,648 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 577 transitions. [2025-02-08 09:15:40,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2025-02-08 09:15:40,649 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:40,649 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] [2025-02-08 09:15:40,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-02-08 09:15:40,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:40,853 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:40,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:40,854 INFO L85 PathProgramCache]: Analyzing trace with hash -264102905, now seen corresponding path program 2 times [2025-02-08 09:15:40,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:40,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55927878] [2025-02-08 09:15:40,854 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:15:40,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:40,860 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 271 statements into 2 equivalence classes. [2025-02-08 09:15:40,874 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 271 of 271 statements. [2025-02-08 09:15:40,875 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:15:40,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:40,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [641985825] [2025-02-08 09:15:40,876 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:15:40,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:40,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:40,878 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:40,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-08 09:15:40,913 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 271 statements into 2 equivalence classes. [2025-02-08 09:15:40,946 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 271 of 271 statements. [2025-02-08 09:15:40,946 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:15:40,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:40,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-08 09:15:40,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:15:41,690 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:15:41,691 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:15:42,163 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:15:42,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:15:42,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55927878] [2025-02-08 09:15:42,163 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:15:42,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641985825] [2025-02-08 09:15:42,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641985825] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:15:42,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:15:42,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-02-08 09:15:42,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293919698] [2025-02-08 09:15:42,164 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:15:42,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-08 09:15:42,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:15:42,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-08 09:15:42,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:15:42,165 INFO L87 Difference]: Start difference. First operand 518 states and 577 transitions. Second operand has 20 states, 19 states have (on average 19.736842105263158) internal successors, (375), 20 states have internal predecessors, (375), 8 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 8 states have call predecessors, (34), 8 states have call successors, (34) [2025-02-08 09:15:44,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:15:44,579 INFO L93 Difference]: Finished difference Result 663 states and 781 transitions. [2025-02-08 09:15:44,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-02-08 09:15:44,579 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 19.736842105263158) internal successors, (375), 20 states have internal predecessors, (375), 8 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 8 states have call predecessors, (34), 8 states have call successors, (34) Word has length 271 [2025-02-08 09:15:44,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:15:44,581 INFO L225 Difference]: With dead ends: 663 [2025-02-08 09:15:44,581 INFO L226 Difference]: Without dead ends: 623 [2025-02-08 09:15:44,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=301, Invalid=889, Unknown=0, NotChecked=0, Total=1190 [2025-02-08 09:15:44,582 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 806 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 3168 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 3253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 3168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:15:44,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 450 Invalid, 3253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 3168 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-02-08 09:15:44,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2025-02-08 09:15:44,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 533. [2025-02-08 09:15:44,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 440 states have (on average 1.2136363636363636) internal successors, (534), 494 states have internal predecessors, (534), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2025-02-08 09:15:44,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 608 transitions. [2025-02-08 09:15:44,605 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 608 transitions. Word has length 271 [2025-02-08 09:15:44,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:15:44,606 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 608 transitions. [2025-02-08 09:15:44,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 19.736842105263158) internal successors, (375), 20 states have internal predecessors, (375), 8 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 8 states have call predecessors, (34), 8 states have call successors, (34) [2025-02-08 09:15:44,607 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 608 transitions. [2025-02-08 09:15:44,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2025-02-08 09:15:44,607 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:15:44,608 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] [2025-02-08 09:15:44,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-02-08 09:15:44,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2025-02-08 09:15:44,812 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:15:44,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:15:44,812 INFO L85 PathProgramCache]: Analyzing trace with hash 745048092, now seen corresponding path program 3 times [2025-02-08 09:15:44,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:15:44,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406078272] [2025-02-08 09:15:44,812 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:15:44,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:15:44,821 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 280 statements into 8 equivalence classes. [2025-02-08 09:15:44,848 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 280 of 280 statements. [2025-02-08 09:15:44,848 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-02-08 09:15:44,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:15:44,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1750699252] [2025-02-08 09:15:44,849 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:15:44,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:15:44,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:15:44,852 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:15:44,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-08 09:15:44,886 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 280 statements into 8 equivalence classes. [2025-02-08 09:15:44,920 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 92 of 280 statements. [2025-02-08 09:15:44,920 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-08 09:15:44,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:15:44,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 09:15:44,930 INFO L279 TraceCheckSpWp]: Computing forward predicates...