./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound50.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 2616f51a0d79e0bd682803708141b0dc94462ecdbaee78ea9cc6b43878e4310d --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:23:44,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:23:44,353 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:23:44,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:23:44,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:23:44,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:23:44,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:23:44,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:23:44,391 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:23:44,391 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:23:44,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:23:44,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:23:44,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:23:44,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:23:44,393 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:23:44,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:23:44,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:23:44,393 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:23:44,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:23:44,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:23:44,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:23:44,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:23:44,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:23:44,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:23:44,394 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:23:44,394 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:23:44,394 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:23:44,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:23:44,394 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:23:44,395 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:23:44,395 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:23:44,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:23:44,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:23:44,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:23:44,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:23:44,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:23:44,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:23:44,396 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:23:44,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:23:44,396 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:23:44,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:23:44,397 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:23:44,397 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:23:44,397 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:23:44,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:23:44,397 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 -> 2616f51a0d79e0bd682803708141b0dc94462ecdbaee78ea9cc6b43878e4310d [2025-02-08 09:23:44,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:23:44,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:23:44,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:23:44,660 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:23:44,661 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:23:44,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound50.c [2025-02-08 09:23:46,003 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/59ccbd521/df27dadddf754fd6a31317013e729130/FLAGae2e53661 [2025-02-08 09:23:46,251 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:23:46,252 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound50.c [2025-02-08 09:23:46,261 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/59ccbd521/df27dadddf754fd6a31317013e729130/FLAGae2e53661 [2025-02-08 09:23:46,274 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/59ccbd521/df27dadddf754fd6a31317013e729130 [2025-02-08 09:23:46,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:23:46,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:23:46,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:23:46,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:23:46,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:23:46,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:23:46" (1/1) ... [2025-02-08 09:23:46,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362da783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:23:46, skipping insertion in model container [2025-02-08 09:23:46,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:23:46" (1/1) ... [2025-02-08 09:23:46,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:23:46,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:23:46,473 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:23:46,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:23:46,509 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:23:46,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:23:46 WrapperNode [2025-02-08 09:23:46,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:23:46,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:23:46,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:23:46,511 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:23:46,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:23:46" (1/1) ... [2025-02-08 09:23:46,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:23:46" (1/1) ... [2025-02-08 09:23:46,542 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2025-02-08 09:23:46,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:23:46,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:23:46,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:23:46,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:23:46,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:23:46" (1/1) ... [2025-02-08 09:23:46,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:23:46" (1/1) ... [2025-02-08 09:23:46,552 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:23:46" (1/1) ... [2025-02-08 09:23:46,572 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 09:23:46,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:23:46" (1/1) ... [2025-02-08 09:23:46,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:23:46" (1/1) ... [2025-02-08 09:23:46,575 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:23:46" (1/1) ... [2025-02-08 09:23:46,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:23:46" (1/1) ... [2025-02-08 09:23:46,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:23:46" (1/1) ... [2025-02-08 09:23:46,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:23:46" (1/1) ... [2025-02-08 09:23:46,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:23:46,579 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:23:46,579 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:23:46,579 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:23:46,580 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:23:46" (1/1) ... [2025-02-08 09:23:46,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:23:46,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:46,604 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 09:23:46,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 09:23:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:23:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:23:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:23:46,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:23:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:23:46,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:23:46,670 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:23:46,673 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:23:46,869 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-02-08 09:23:46,871 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:23:46,881 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:23:46,881 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:23:46,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:23:46 BoogieIcfgContainer [2025-02-08 09:23:46,882 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:23:46,884 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:23:46,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:23:46,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:23:46,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:23:46" (1/3) ... [2025-02-08 09:23:46,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9b591c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:23:46, skipping insertion in model container [2025-02-08 09:23:46,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:23:46" (2/3) ... [2025-02-08 09:23:46,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9b591c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:23:46, skipping insertion in model container [2025-02-08 09:23:46,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:23:46" (3/3) ... [2025-02-08 09:23:46,892 INFO L128 eAbstractionObserver]: Analyzing ICFG dijkstra-u_unwindbound50.c [2025-02-08 09:23:46,905 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:23:46,908 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG dijkstra-u_unwindbound50.c that has 2 procedures, 34 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2025-02-08 09:23:46,958 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:23:46,968 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;@24e7c310, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:23:46,969 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-08 09:23:46,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 23 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 09:23:46,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:23:46,977 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:46,977 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:23:46,977 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 09:23:46,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:46,983 INFO L85 PathProgramCache]: Analyzing trace with hash 65784420, now seen corresponding path program 1 times [2025-02-08 09:23:46,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:46,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613985501] [2025-02-08 09:23:46,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:46,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:47,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:23:47,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:23:47,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:47,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:47,097 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 09:23:47,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:47,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613985501] [2025-02-08 09:23:47,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613985501] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:23:47,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:23:47,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:23:47,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412161902] [2025-02-08 09:23:47,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:23:47,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:23:47,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:47,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:23:47,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:23:47,129 INFO L87 Difference]: Start difference. First operand has 34 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 23 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:23:47,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:47,151 INFO L93 Difference]: Finished difference Result 66 states and 106 transitions. [2025-02-08 09:23:47,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:23:47,153 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-08 09:23:47,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:47,158 INFO L225 Difference]: With dead ends: 66 [2025-02-08 09:23:47,158 INFO L226 Difference]: Without dead ends: 28 [2025-02-08 09:23:47,161 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:23:47,165 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:47,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:23:47,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2025-02-08 09:23:47,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2025-02-08 09:23:47,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 17 states have (on average 1.411764705882353) internal successors, (24), 20 states have internal predecessors, (24), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:23:47,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2025-02-08 09:23:47,206 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 5 [2025-02-08 09:23:47,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:47,206 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2025-02-08 09:23:47,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:23:47,207 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2025-02-08 09:23:47,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:23:47,207 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:47,207 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:23:47,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:23:47,207 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 09:23:47,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:47,208 INFO L85 PathProgramCache]: Analyzing trace with hash 65814211, now seen corresponding path program 1 times [2025-02-08 09:23:47,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:47,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751698818] [2025-02-08 09:23:47,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:47,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:47,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:23:47,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:23:47,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:47,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:47,312 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 09:23:47,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:47,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751698818] [2025-02-08 09:23:47,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751698818] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:23:47,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:23:47,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:23:47,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868211953] [2025-02-08 09:23:47,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:23:47,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:23:47,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:47,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:23:47,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:23:47,316 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:23:47,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:47,372 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2025-02-08 09:23:47,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:23:47,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-08 09:23:47,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:47,373 INFO L225 Difference]: With dead ends: 33 [2025-02-08 09:23:47,373 INFO L226 Difference]: Without dead ends: 32 [2025-02-08 09:23:47,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:23:47,374 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 13 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:47,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 77 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:23:47,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2025-02-08 09:23:47,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2025-02-08 09:23:47,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:23:47,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2025-02-08 09:23:47,385 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 5 [2025-02-08 09:23:47,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:47,385 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2025-02-08 09:23:47,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:23:47,386 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2025-02-08 09:23:47,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 09:23:47,386 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:47,386 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 09:23:47,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:23:47,387 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 09:23:47,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:47,387 INFO L85 PathProgramCache]: Analyzing trace with hash 2040240541, now seen corresponding path program 1 times [2025-02-08 09:23:47,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:47,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739944325] [2025-02-08 09:23:47,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:47,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:47,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 09:23:47,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 09:23:47,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:47,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:47,464 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 09:23:47,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:47,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739944325] [2025-02-08 09:23:47,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739944325] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:23:47,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:23:47,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:23:47,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641849638] [2025-02-08 09:23:47,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:23:47,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:23:47,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:47,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:23:47,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:23:47,466 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:23:47,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:47,507 INFO L93 Difference]: Finished difference Result 50 states and 65 transitions. [2025-02-08 09:23:47,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:23:47,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-08 09:23:47,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:47,509 INFO L225 Difference]: With dead ends: 50 [2025-02-08 09:23:47,509 INFO L226 Difference]: Without dead ends: 31 [2025-02-08 09:23:47,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:23:47,510 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 3 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:47,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 86 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:23:47,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2025-02-08 09:23:47,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2025-02-08 09:23:47,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 23 states have internal predecessors, (27), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:23:47,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2025-02-08 09:23:47,521 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 39 transitions. Word has length 6 [2025-02-08 09:23:47,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:47,521 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 39 transitions. [2025-02-08 09:23:47,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:23:47,521 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2025-02-08 09:23:47,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-08 09:23:47,521 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:47,522 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:47,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 09:23:47,522 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 09:23:47,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:47,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1463122280, now seen corresponding path program 1 times [2025-02-08 09:23:47,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:47,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784100106] [2025-02-08 09:23:47,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:47,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:47,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 09:23:47,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 09:23:47,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:47,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:47,622 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 09:23:47,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:47,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784100106] [2025-02-08 09:23:47,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784100106] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:23:47,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:23:47,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:23:47,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308581001] [2025-02-08 09:23:47,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:23:47,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:23:47,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:47,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:23:47,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:23:47,623 INFO L87 Difference]: Start difference. First operand 31 states and 39 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:23:47,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:47,740 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions. [2025-02-08 09:23:47,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:23:47,740 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-02-08 09:23:47,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:47,741 INFO L225 Difference]: With dead ends: 31 [2025-02-08 09:23:47,741 INFO L226 Difference]: Without dead ends: 30 [2025-02-08 09:23:47,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:23:47,742 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 45 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:47,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 69 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:23:47,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2025-02-08 09:23:47,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2025-02-08 09:23:47,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:23:47,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2025-02-08 09:23:47,747 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 10 [2025-02-08 09:23:47,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:47,748 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2025-02-08 09:23:47,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:23:47,748 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2025-02-08 09:23:47,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-08 09:23:47,748 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:47,748 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:47,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:23:47,749 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 09:23:47,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:47,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1887849564, now seen corresponding path program 1 times [2025-02-08 09:23:47,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:47,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069259383] [2025-02-08 09:23:47,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:47,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:47,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 09:23:47,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 09:23:47,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:47,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:47,850 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 09:23:47,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:47,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069259383] [2025-02-08 09:23:47,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069259383] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:23:47,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:23:47,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:23:47,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328413424] [2025-02-08 09:23:47,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:23:47,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:23:47,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:47,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:23:47,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:23:47,852 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:23:47,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:47,911 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions. [2025-02-08 09:23:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:23:47,912 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-02-08 09:23:47,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:47,913 INFO L225 Difference]: With dead ends: 40 [2025-02-08 09:23:47,913 INFO L226 Difference]: Without dead ends: 39 [2025-02-08 09:23:47,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:23:47,914 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 12 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:47,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 103 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:23:47,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2025-02-08 09:23:47,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 34. [2025-02-08 09:23:47,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:23:47,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2025-02-08 09:23:47,922 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 43 transitions. Word has length 11 [2025-02-08 09:23:47,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:47,922 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 43 transitions. [2025-02-08 09:23:47,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:23:47,922 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2025-02-08 09:23:47,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-08 09:23:47,923 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:47,923 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:47,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:23:47,923 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 09:23:47,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:47,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1887921062, now seen corresponding path program 1 times [2025-02-08 09:23:47,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:47,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87912269] [2025-02-08 09:23:47,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:47,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:47,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 09:23:47,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 09:23:47,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:47,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:23:48,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:48,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87912269] [2025-02-08 09:23:48,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87912269] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:48,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075246475] [2025-02-08 09:23:48,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:48,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:48,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:48,026 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 09:23:48,027 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 09:23:48,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 09:23:48,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 09:23:48,061 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:48,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:48,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:23:48,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:48,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:23:48,117 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:48,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:23:48,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075246475] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:23:48,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:23:48,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-02-08 09:23:48,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646197195] [2025-02-08 09:23:48,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:48,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:23:48,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:48,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:23:48,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:23:48,176 INFO L87 Difference]: Start difference. First operand 34 states and 43 transitions. Second operand has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 09:23:48,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:48,300 INFO L93 Difference]: Finished difference Result 73 states and 94 transitions. [2025-02-08 09:23:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:23:48,301 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-02-08 09:23:48,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:48,301 INFO L225 Difference]: With dead ends: 73 [2025-02-08 09:23:48,301 INFO L226 Difference]: Without dead ends: 55 [2025-02-08 09:23:48,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:23:48,302 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 30 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:48,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 156 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:23:48,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2025-02-08 09:23:48,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 47. [2025-02-08 09:23:48,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.236842105263158) internal successors, (47), 39 states have internal predecessors, (47), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:23:48,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 59 transitions. [2025-02-08 09:23:48,308 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 59 transitions. Word has length 11 [2025-02-08 09:23:48,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:48,308 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 59 transitions. [2025-02-08 09:23:48,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 09:23:48,308 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2025-02-08 09:23:48,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-08 09:23:48,309 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:48,309 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:48,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 09:23:48,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:48,510 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 09:23:48,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:48,510 INFO L85 PathProgramCache]: Analyzing trace with hash -691773453, now seen corresponding path program 1 times [2025-02-08 09:23:48,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:48,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206184106] [2025-02-08 09:23:48,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:48,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:48,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 09:23:48,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 09:23:48,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:48,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:48,621 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:23:48,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:48,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206184106] [2025-02-08 09:23:48,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206184106] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:48,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224970217] [2025-02-08 09:23:48,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:48,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:48,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:48,624 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 09:23:48,626 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 09:23:48,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 09:23:48,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 09:23:48,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:48,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:48,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:23:48,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:48,691 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:23:48,691 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:48,765 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:23:48,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224970217] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:23:48,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:23:48,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-02-08 09:23:48,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658431212] [2025-02-08 09:23:48,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:48,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:23:48,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:48,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:23:48,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:23:48,771 INFO L87 Difference]: Start difference. First operand 47 states and 59 transitions. Second operand has 14 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 13 states have internal predecessors, (32), 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 09:23:49,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:49,097 INFO L93 Difference]: Finished difference Result 79 states and 102 transitions. [2025-02-08 09:23:49,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-02-08 09:23:49,097 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 13 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2025-02-08 09:23:49,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:49,098 INFO L225 Difference]: With dead ends: 79 [2025-02-08 09:23:49,099 INFO L226 Difference]: Without dead ends: 78 [2025-02-08 09:23:49,099 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=194, Invalid=562, Unknown=0, NotChecked=0, Total=756 [2025-02-08 09:23:49,100 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 78 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:49,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 191 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:23:49,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-08 09:23:49,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 65. [2025-02-08 09:23:49,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.2448979591836735) internal successors, (61), 50 states have internal predecessors, (61), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:23:49,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 85 transitions. [2025-02-08 09:23:49,111 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 85 transitions. Word has length 16 [2025-02-08 09:23:49,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:49,111 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 85 transitions. [2025-02-08 09:23:49,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 13 states have internal predecessors, (32), 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 09:23:49,111 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2025-02-08 09:23:49,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-08 09:23:49,113 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:49,127 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1] [2025-02-08 09:23:49,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 09:23:49,327 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 09:23:49,328 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 09:23:49,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:49,328 INFO L85 PathProgramCache]: Analyzing trace with hash 300862685, now seen corresponding path program 2 times [2025-02-08 09:23:49,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:49,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344125935] [2025-02-08 09:23:49,328 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:23:49,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:49,335 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-02-08 09:23:49,344 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-02-08 09:23:49,344 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:23:49,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:49,443 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:23:49,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:49,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344125935] [2025-02-08 09:23:49,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344125935] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:23:49,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:23:49,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:23:49,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839297815] [2025-02-08 09:23:49,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:23:49,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:23:49,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:49,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:23:49,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:23:49,445 INFO L87 Difference]: Start difference. First operand 65 states and 85 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:23:49,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:49,485 INFO L93 Difference]: Finished difference Result 72 states and 92 transitions. [2025-02-08 09:23:49,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:23:49,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-02-08 09:23:49,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:49,488 INFO L225 Difference]: With dead ends: 72 [2025-02-08 09:23:49,488 INFO L226 Difference]: Without dead ends: 71 [2025-02-08 09:23:49,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:23:49,489 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 9 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:49,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 102 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:23:49,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2025-02-08 09:23:49,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 64. [2025-02-08 09:23:49,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 49 states have internal predecessors, (60), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:23:49,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 84 transitions. [2025-02-08 09:23:49,507 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 84 transitions. Word has length 26 [2025-02-08 09:23:49,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:49,507 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 84 transitions. [2025-02-08 09:23:49,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:23:49,507 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2025-02-08 09:23:49,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-08 09:23:49,507 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:49,508 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:49,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 09:23:49,508 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 09:23:49,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:49,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1311604044, now seen corresponding path program 1 times [2025-02-08 09:23:49,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:49,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963806958] [2025-02-08 09:23:49,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:49,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:49,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 09:23:49,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 09:23:49,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:49,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:49,672 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:23:49,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:49,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963806958] [2025-02-08 09:23:49,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963806958] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:49,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109880798] [2025-02-08 09:23:49,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:49,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:49,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:49,675 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 09:23:49,684 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 09:23:49,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 09:23:49,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 09:23:49,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:49,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:49,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:23:49,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:49,774 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:23:49,774 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:49,942 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:23:49,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109880798] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:23:49,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:23:49,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2025-02-08 09:23:49,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224650220] [2025-02-08 09:23:49,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:49,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-08 09:23:49,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:49,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-08 09:23:49,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:23:49,944 INFO L87 Difference]: Start difference. First operand 64 states and 84 transitions. Second operand has 22 states, 22 states have (on average 2.590909090909091) internal successors, (57), 21 states have internal predecessors, (57), 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 09:23:50,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:50,297 INFO L93 Difference]: Finished difference Result 142 states and 179 transitions. [2025-02-08 09:23:50,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-02-08 09:23:50,298 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.590909090909091) internal successors, (57), 21 states have internal predecessors, (57), 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 30 [2025-02-08 09:23:50,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:50,299 INFO L225 Difference]: With dead ends: 142 [2025-02-08 09:23:50,299 INFO L226 Difference]: Without dead ends: 122 [2025-02-08 09:23:50,300 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=549, Invalid=1091, Unknown=0, NotChecked=0, Total=1640 [2025-02-08 09:23:50,300 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 106 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:50,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 223 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:23:50,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-02-08 09:23:50,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 93. [2025-02-08 09:23:50,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 78 states have (on average 1.1794871794871795) internal successors, (92), 78 states have internal predecessors, (92), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:23:50,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 116 transitions. [2025-02-08 09:23:50,317 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 116 transitions. Word has length 30 [2025-02-08 09:23:50,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:50,318 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 116 transitions. [2025-02-08 09:23:50,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.590909090909091) internal successors, (57), 21 states have internal predecessors, (57), 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 09:23:50,318 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 116 transitions. [2025-02-08 09:23:50,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-08 09:23:50,318 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:50,318 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:50,328 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 09:23:50,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:50,519 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 09:23:50,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:50,520 INFO L85 PathProgramCache]: Analyzing trace with hash -2005851876, now seen corresponding path program 2 times [2025-02-08 09:23:50,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:50,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258888096] [2025-02-08 09:23:50,520 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:23:50,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:50,525 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 31 statements into 2 equivalence classes. [2025-02-08 09:23:50,528 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 11 of 31 statements. [2025-02-08 09:23:50,528 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 09:23:50,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:50,557 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-02-08 09:23:50,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:50,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258888096] [2025-02-08 09:23:50,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258888096] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:23:50,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:23:50,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:23:50,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577074008] [2025-02-08 09:23:50,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:23:50,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:23:50,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:50,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:23:50,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:23:50,559 INFO L87 Difference]: Start difference. First operand 93 states and 116 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:23:50,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:50,599 INFO L93 Difference]: Finished difference Result 101 states and 124 transitions. [2025-02-08 09:23:50,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:23:50,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2025-02-08 09:23:50,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:50,600 INFO L225 Difference]: With dead ends: 101 [2025-02-08 09:23:50,600 INFO L226 Difference]: Without dead ends: 100 [2025-02-08 09:23:50,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:23:50,601 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 9 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:50,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 89 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:23:50,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2025-02-08 09:23:50,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 93. [2025-02-08 09:23:50,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 78 states have (on average 1.1794871794871795) internal successors, (92), 78 states have internal predecessors, (92), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:23:50,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 116 transitions. [2025-02-08 09:23:50,612 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 116 transitions. Word has length 31 [2025-02-08 09:23:50,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:50,613 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 116 transitions. [2025-02-08 09:23:50,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:23:50,613 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 116 transitions. [2025-02-08 09:23:50,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-02-08 09:23:50,614 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:50,614 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:50,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 09:23:50,614 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 09:23:50,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:50,617 INFO L85 PathProgramCache]: Analyzing trace with hash -445091695, now seen corresponding path program 1 times [2025-02-08 09:23:50,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:50,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124795048] [2025-02-08 09:23:50,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:50,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:50,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-08 09:23:50,647 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-08 09:23:50,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:50,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:50,894 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:23:50,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:50,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124795048] [2025-02-08 09:23:50,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124795048] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:50,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653364947] [2025-02-08 09:23:50,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:50,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:50,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:50,897 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 09:23:50,900 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 09:23:50,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-08 09:23:50,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-08 09:23:50,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:50,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:50,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:23:50,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:23:51,069 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:51,272 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:23:51,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653364947] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:23:51,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:23:51,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 21 [2025-02-08 09:23:51,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32481340] [2025-02-08 09:23:51,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:51,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-08 09:23:51,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:51,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-08 09:23:51,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:23:51,275 INFO L87 Difference]: Start difference. First operand 93 states and 116 transitions. Second operand has 22 states, 21 states have (on average 2.857142857142857) internal successors, (60), 22 states have internal predecessors, (60), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-02-08 09:23:51,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:51,892 INFO L93 Difference]: Finished difference Result 160 states and 203 transitions. [2025-02-08 09:23:51,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-02-08 09:23:51,892 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.857142857142857) internal successors, (60), 22 states have internal predecessors, (60), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 57 [2025-02-08 09:23:51,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:51,894 INFO L225 Difference]: With dead ends: 160 [2025-02-08 09:23:51,894 INFO L226 Difference]: Without dead ends: 159 [2025-02-08 09:23:51,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=493, Invalid=1577, Unknown=0, NotChecked=0, Total=2070 [2025-02-08 09:23:51,895 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 135 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:51,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 210 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:23:51,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-02-08 09:23:51,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 125. [2025-02-08 09:23:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 96 states have (on average 1.1666666666666667) internal successors, (112), 96 states have internal predecessors, (112), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-08 09:23:51,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 160 transitions. [2025-02-08 09:23:51,912 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 160 transitions. Word has length 57 [2025-02-08 09:23:51,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:51,914 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 160 transitions. [2025-02-08 09:23:51,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.857142857142857) internal successors, (60), 22 states have internal predecessors, (60), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-02-08 09:23:51,915 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 160 transitions. [2025-02-08 09:23:51,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-02-08 09:23:51,916 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:51,916 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:51,927 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 09:23:52,117 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,SelfDestructingSolverStorable10 [2025-02-08 09:23:52,117 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 09:23:52,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:52,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1553720212, now seen corresponding path program 2 times [2025-02-08 09:23:52,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:52,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331579814] [2025-02-08 09:23:52,118 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:23:52,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:52,124 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 60 statements into 2 equivalence classes. [2025-02-08 09:23:52,141 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 60 of 60 statements. [2025-02-08 09:23:52,142 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:23:52,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:52,681 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:23:52,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:52,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331579814] [2025-02-08 09:23:52,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331579814] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:52,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730327625] [2025-02-08 09:23:52,682 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:23:52,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:52,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:52,684 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 09:23:52,686 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 09:23:52,716 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 60 statements into 2 equivalence classes. [2025-02-08 09:23:52,736 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 60 of 60 statements. [2025-02-08 09:23:52,736 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:23:52,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:52,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 09:23:52,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:52,834 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:23:52,834 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:53,504 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:23:53,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730327625] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:23:53,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:23:53,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 24] total 49 [2025-02-08 09:23:53,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846085985] [2025-02-08 09:23:53,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:53,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2025-02-08 09:23:53,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:53,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2025-02-08 09:23:53,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=634, Invalid=1916, Unknown=0, NotChecked=0, Total=2550 [2025-02-08 09:23:53,507 INFO L87 Difference]: Start difference. First operand 125 states and 160 transitions. Second operand has 51 states, 50 states have (on average 2.44) internal successors, (122), 50 states have internal predecessors, (122), 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 09:23:55,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:55,252 INFO L93 Difference]: Finished difference Result 334 states and 424 transitions. [2025-02-08 09:23:55,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2025-02-08 09:23:55,253 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 50 states have (on average 2.44) internal successors, (122), 50 states have internal predecessors, (122), 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 60 [2025-02-08 09:23:55,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:55,255 INFO L225 Difference]: With dead ends: 334 [2025-02-08 09:23:55,256 INFO L226 Difference]: Without dead ends: 317 [2025-02-08 09:23:55,264 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3785 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=3289, Invalid=10517, Unknown=0, NotChecked=0, Total=13806 [2025-02-08 09:23:55,265 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 544 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:55,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [544 Valid, 236 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:23:55,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-02-08 09:23:55,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 185. [2025-02-08 09:23:55,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 156 states have (on average 1.25) internal successors, (195), 156 states have internal predecessors, (195), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-08 09:23:55,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 243 transitions. [2025-02-08 09:23:55,287 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 243 transitions. Word has length 60 [2025-02-08 09:23:55,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:55,288 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 243 transitions. [2025-02-08 09:23:55,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 50 states have (on average 2.44) internal successors, (122), 50 states have internal predecessors, (122), 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 09:23:55,288 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 243 transitions. [2025-02-08 09:23:55,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-08 09:23:55,290 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:55,290 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-08 09:23:55,298 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 09:23:55,491 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,SelfDestructingSolverStorable11 [2025-02-08 09:23:55,491 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 09:23:55,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:55,492 INFO L85 PathProgramCache]: Analyzing trace with hash -808965187, now seen corresponding path program 2 times [2025-02-08 09:23:55,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:55,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188401963] [2025-02-08 09:23:55,492 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:23:55,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:55,505 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 98 statements into 2 equivalence classes. [2025-02-08 09:23:55,520 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:23:55,521 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:23:55,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:55,614 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2025-02-08 09:23:55,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:55,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188401963] [2025-02-08 09:23:55,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188401963] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:23:55,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:23:55,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:23:55,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429612334] [2025-02-08 09:23:55,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:23:55,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:23:55,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:55,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:23:55,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:23:55,618 INFO L87 Difference]: Start difference. First operand 185 states and 243 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-02-08 09:23:55,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:55,750 INFO L93 Difference]: Finished difference Result 197 states and 255 transitions. [2025-02-08 09:23:55,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:23:55,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2025-02-08 09:23:55,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:55,752 INFO L225 Difference]: With dead ends: 197 [2025-02-08 09:23:55,752 INFO L226 Difference]: Without dead ends: 121 [2025-02-08 09:23:55,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:23:55,754 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 18 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:55,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 72 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:23:55,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2025-02-08 09:23:55,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2025-02-08 09:23:55,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.0083333333333333) internal successors, (121), 120 states have internal predecessors, (121), 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 09:23:55,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2025-02-08 09:23:55,762 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 98 [2025-02-08 09:23:55,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:55,763 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2025-02-08 09:23:55,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-02-08 09:23:55,763 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2025-02-08 09:23:55,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-08 09:23:55,765 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:55,765 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:23:55,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-08 09:23:55,765 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 09:23:55,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:55,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1255296340, now seen corresponding path program 3 times [2025-02-08 09:23:55,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:55,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375729834] [2025-02-08 09:23:55,766 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:23:55,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:55,774 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 120 statements into 23 equivalence classes. [2025-02-08 09:23:55,776 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 15 of 120 statements. [2025-02-08 09:23:55,777 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-08 09:23:55,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:55,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 129 proven. 1 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2025-02-08 09:23:55,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:55,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375729834] [2025-02-08 09:23:55,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375729834] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:55,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611077606] [2025-02-08 09:23:55,820 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:23:55,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:55,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:55,823 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 09:23:55,825 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 09:23:55,857 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 120 statements into 23 equivalence classes. [2025-02-08 09:23:55,864 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 15 of 120 statements. [2025-02-08 09:23:55,864 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-08 09:23:55,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:55,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:23:55,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:55,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 129 proven. 1 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2025-02-08 09:23:55,895 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:55,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 129 proven. 1 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2025-02-08 09:23:55,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611077606] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:23:55,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:23:55,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-02-08 09:23:55,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245117615] [2025-02-08 09:23:55,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:55,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:23:55,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:55,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:23:55,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:23:55,951 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 13 states have internal predecessors, (30), 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 09:23:55,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:55,993 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2025-02-08 09:23:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:23:55,994 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 13 states have internal predecessors, (30), 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 120 [2025-02-08 09:23:55,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:55,994 INFO L225 Difference]: With dead ends: 121 [2025-02-08 09:23:55,994 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 09:23:55,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:23:55,995 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 12 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:55,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 16 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:23:55,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 09:23:55,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 09:23:55,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 09:23:55,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 09:23:55,996 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 120 [2025-02-08 09:23:55,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:55,996 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 09:23:55,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 13 states have internal predecessors, (30), 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 09:23:55,996 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 09:23:55,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 09:23:55,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2025-02-08 09:23:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2025-02-08 09:23:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2025-02-08 09:23:55,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2025-02-08 09:23:56,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-08 09:23:56,199 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,SelfDestructingSolverStorable13 [2025-02-08 09:23:56,202 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-08 09:23:56,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 09:23:58,681 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 09:23:58,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 09:23:58 BoogieIcfgContainer [2025-02-08 09:23:58,694 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 09:23:58,695 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 09:23:58,695 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 09:23:58,695 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 09:23:58,696 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:23:46" (3/4) ... [2025-02-08 09:23:58,698 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 09:23:58,703 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2025-02-08 09:23:58,707 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-02-08 09:23:58,708 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 09:23:58,708 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 09:23:58,708 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 09:23:58,789 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 09:23:58,790 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 09:23:58,790 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 09:23:58,790 INFO L158 Benchmark]: Toolchain (without parser) took 12513.94ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 113.5MB in the beginning and 132.1MB in the end (delta: -18.7MB). Peak memory consumption was 194.2MB. Max. memory is 16.1GB. [2025-02-08 09:23:58,791 INFO L158 Benchmark]: CDTParser took 1.39ms. Allocated memory is still 201.3MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:23:58,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.73ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 101.6MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:23:58,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.69ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 100.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:23:58,791 INFO L158 Benchmark]: Boogie Preprocessor took 35.68ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 99.0MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:23:58,792 INFO L158 Benchmark]: IcfgBuilder took 302.73ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 83.4MB in the end (delta: 15.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:23:58,793 INFO L158 Benchmark]: TraceAbstraction took 11809.98ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 83.0MB in the beginning and 140.3MB in the end (delta: -57.3MB). Peak memory consumption was 182.4MB. Max. memory is 16.1GB. [2025-02-08 09:23:58,793 INFO L158 Benchmark]: Witness Printer took 94.79ms. Allocated memory is still 360.7MB. Free memory was 140.3MB in the beginning and 132.1MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:23:58,797 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39ms. Allocated memory is still 201.3MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.73ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 101.6MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.69ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 100.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.68ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 99.0MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 302.73ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 83.4MB in the end (delta: 15.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 11809.98ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 83.0MB in the beginning and 140.3MB in the end (delta: -57.3MB). Peak memory consumption was 182.4MB. Max. memory is 16.1GB. * Witness Printer took 94.79ms. Allocated memory is still 360.7MB. Free memory was 140.3MB in the beginning and 132.1MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 14, TraceHistogramMax: 23, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1014 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1014 mSDsluCounter, 1676 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1308 mSDsCounter, 198 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1025 IncrementalHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 198 mSolverCounterUnsat, 368 mSDtfsCounter, 1025 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 813 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 289 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4710 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=12, InterpolantAutomatonStates: 252, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 240 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 780 NumberOfCodeBlocks, 550 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1048 ConstructedInterpolants, 0 QuantifiedInterpolants, 2122 SizeOfPredicates, 52 NumberOfNonLiveVariables, 540 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 26 InterpolantComputations, 8 PerfectInterpolantSequences, 4310/5324 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((counter <= 50) && (1 <= counter)) || (counter == 0)) - InvariantResult [Line: 20]: Location Invariant Derived location invariant: ((1 <= counter) && (counter <= 2147483646)) RESULT: Ultimate proved your program to be correct! [2025-02-08 09:23:58,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE