./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 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/freire1_valuebound10.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 386c3e7d1ea789c9c3d2e7e38148627ea5f6d60be4bd0eecc87000a545db7275 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:04:54,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:04:54,323 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:04:54,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:04:54,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:04:54,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:04:54,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:04:54,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:04:54,353 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:04:54,353 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:04:54,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:04:54,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:04:54,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:04:54,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:04:54,353 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:04:54,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:04:54,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:04:54,354 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:04:54,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:04:54,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:04:54,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:04:54,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:04:54,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:04:54,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:04:54,354 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:04:54,354 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:04:54,354 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:04:54,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:04:54,355 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:04:54,355 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:04:54,355 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:04:54,355 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:04:54,355 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:04:54,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:04:54,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:04:54,355 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:04:54,355 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:04:54,355 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:04:54,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:04:54,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:04:54,356 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:04:54,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:04:54,356 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:04:54,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:04:54,356 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:04:54,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:04:54,356 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:04:54,356 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:04:54,356 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:04:54,356 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:04:54,356 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 -> 386c3e7d1ea789c9c3d2e7e38148627ea5f6d60be4bd0eecc87000a545db7275 [2025-01-10 02:04:54,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:04:54,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:04:54,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:04:54,607 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:04:54,607 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:04:54,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound10.c [2025-01-10 02:04:55,752 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c143e0eae/338e21fadc73474bae133d8d70066cde/FLAG9d2a60c31 [2025-01-10 02:04:55,962 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:04:55,967 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound10.c [2025-01-10 02:04:55,977 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c143e0eae/338e21fadc73474bae133d8d70066cde/FLAG9d2a60c31 [2025-01-10 02:04:56,313 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c143e0eae/338e21fadc73474bae133d8d70066cde [2025-01-10 02:04:56,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:04:56,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:04:56,317 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:04:56,317 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:04:56,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:04:56,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:04:56" (1/1) ... [2025-01-10 02:04:56,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339928b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:56, skipping insertion in model container [2025-01-10 02:04:56,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:04:56" (1/1) ... [2025-01-10 02:04:56,333 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:04:56,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:04:56,458 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:04:56,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:04:56,484 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:04:56,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:56 WrapperNode [2025-01-10 02:04:56,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:04:56,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:04:56,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:04:56,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:04:56,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:56" (1/1) ... [2025-01-10 02:04:56,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:56" (1/1) ... [2025-01-10 02:04:56,502 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2025-01-10 02:04:56,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:04:56,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:04:56,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:04:56,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:04:56,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:56" (1/1) ... [2025-01-10 02:04:56,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:56" (1/1) ... [2025-01-10 02:04:56,510 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:56" (1/1) ... [2025-01-10 02:04:56,522 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]. [2025-01-10 02:04:56,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:56" (1/1) ... [2025-01-10 02:04:56,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:56" (1/1) ... [2025-01-10 02:04:56,526 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:56" (1/1) ... [2025-01-10 02:04:56,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:56" (1/1) ... [2025-01-10 02:04:56,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:56" (1/1) ... [2025-01-10 02:04:56,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:56" (1/1) ... [2025-01-10 02:04:56,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:56" (1/1) ... [2025-01-10 02:04:56,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:04:56,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:04:56,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:04:56,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:04:56,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:56" (1/1) ... [2025-01-10 02:04:56,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:04:56,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:04:56,564 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) [2025-01-10 02:04:56,567 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 [2025-01-10 02:04:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:04:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:04:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:04:56,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:04:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:04:56,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:04:56,621 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:04:56,622 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:04:56,696 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-01-10 02:04:56,696 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:04:56,702 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:04:56,702 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 02:04:56,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:04:56 BoogieIcfgContainer [2025-01-10 02:04:56,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:04:56,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:04:56,707 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:04:56,710 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:04:56,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:04:56" (1/3) ... [2025-01-10 02:04:56,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2878de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:04:56, skipping insertion in model container [2025-01-10 02:04:56,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:56" (2/3) ... [2025-01-10 02:04:56,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2878de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:04:56, skipping insertion in model container [2025-01-10 02:04:56,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:04:56" (3/3) ... [2025-01-10 02:04:56,712 INFO L128 eAbstractionObserver]: Analyzing ICFG freire1_valuebound10.c [2025-01-10 02:04:56,720 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:04:56,721 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG freire1_valuebound10.c that has 2 procedures, 29 locations, 1 initial locations, 1 loop locations, and 6 error locations. [2025-01-10 02:04:56,758 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:04:56,773 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;@6b544f15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:04:56,775 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-01-10 02:04:56,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 25 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:04:56,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 02:04:56,782 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:04:56,783 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 02:04:56,783 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:04:56,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:04:56,787 INFO L85 PathProgramCache]: Analyzing trace with hash 28693830, now seen corresponding path program 1 times [2025-01-10 02:04:56,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:04:56,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42299133] [2025-01-10 02:04:56,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:04:56,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:04:56,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 02:04:56,839 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 02:04:56,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:04:56,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:04:56,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:04:56,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:04:56,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42299133] [2025-01-10 02:04:56,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42299133] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:04:56,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:04:56,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:04:56,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863970715] [2025-01-10 02:04:56,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:04:56,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:04:56,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:04:56,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:04:56,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:04:56,883 INFO L87 Difference]: Start difference. First operand has 29 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 25 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) 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) [2025-01-10 02:04:56,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:04:56,892 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2025-01-10 02:04:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:04:56,893 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 [2025-01-10 02:04:56,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:04:56,896 INFO L225 Difference]: With dead ends: 52 [2025-01-10 02:04:56,896 INFO L226 Difference]: Without dead ends: 20 [2025-01-10 02:04:56,898 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 [2025-01-10 02:04:56,902 INFO L435 NwaCegarLoop]: 27 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, 27 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 [2025-01-10 02:04:56,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:04:56,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2025-01-10 02:04:56,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2025-01-10 02:04:56,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 17 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:04:56,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2025-01-10 02:04:56,926 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 5 [2025-01-10 02:04:56,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:04:56,927 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2025-01-10 02:04:56,927 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) [2025-01-10 02:04:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2025-01-10 02:04:56,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 02:04:56,928 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:04:56,928 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 02:04:56,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 02:04:56,929 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:04:56,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:04:56,930 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2025-01-10 02:04:56,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:04:56,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019267388] [2025-01-10 02:04:56,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:04:56,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:04:56,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 02:04:56,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 02:04:56,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:04:56,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:04:56,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [359412293] [2025-01-10 02:04:56,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:04:56,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:56,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:04:56,947 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) [2025-01-10 02:04:56,949 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 [2025-01-10 02:04:56,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 02:04:56,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 02:04:56,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:04:56,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:04:56,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:04:56,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:04:57,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:04:57,010 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:04:57,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:04:57,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019267388] [2025-01-10 02:04:57,011 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:04:57,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359412293] [2025-01-10 02:04:57,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359412293] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:04:57,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:04:57,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:04:57,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216546724] [2025-01-10 02:04:57,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:04:57,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:04:57,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:04:57,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:04:57,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:04:57,013 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:04:57,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:04:57,041 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2025-01-10 02:04:57,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:04:57,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-01-10 02:04:57,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:04:57,042 INFO L225 Difference]: With dead ends: 32 [2025-01-10 02:04:57,042 INFO L226 Difference]: Without dead ends: 26 [2025-01-10 02:04:57,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:04:57,043 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 5 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:04:57,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 24 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:04:57,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-01-10 02:04:57,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2025-01-10 02:04:57,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 22 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:04:57,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2025-01-10 02:04:57,051 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 6 [2025-01-10 02:04:57,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:04:57,051 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2025-01-10 02:04:57,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:04:57,051 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2025-01-10 02:04:57,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-10 02:04:57,052 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:04:57,052 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:04:57,059 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 [2025-01-10 02:04:57,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:57,257 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:04:57,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:04:57,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1203083230, now seen corresponding path program 1 times [2025-01-10 02:04:57,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:04:57,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989028555] [2025-01-10 02:04:57,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:04:57,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:04:57,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 02:04:57,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 02:04:57,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:04:57,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:04:57,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [731438987] [2025-01-10 02:04:57,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:04:57,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:57,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:04:57,291 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) [2025-01-10 02:04:57,292 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 [2025-01-10 02:04:57,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 02:04:57,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 02:04:57,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:04:57,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:04:57,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:04:57,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:04:57,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:04:57,371 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:04:57,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:04:57,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:04:57,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989028555] [2025-01-10 02:04:57,425 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:04:57,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731438987] [2025-01-10 02:04:57,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731438987] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:04:57,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:04:57,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-01-10 02:04:57,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223086764] [2025-01-10 02:04:57,426 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:04:57,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:04:57,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:04:57,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:04:57,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:04:57,427 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:04:57,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:04:57,492 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2025-01-10 02:04:57,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:04:57,492 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2025-01-10 02:04:57,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:04:57,493 INFO L225 Difference]: With dead ends: 45 [2025-01-10 02:04:57,493 INFO L226 Difference]: Without dead ends: 35 [2025-01-10 02:04:57,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:04:57,493 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 22 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:04:57,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 42 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:04:57,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2025-01-10 02:04:57,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2025-01-10 02:04:57,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 29 states have internal predecessors, (30), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:04:57,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2025-01-10 02:04:57,498 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 16 [2025-01-10 02:04:57,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:04:57,499 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2025-01-10 02:04:57,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:04:57,499 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2025-01-10 02:04:57,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-10 02:04:57,500 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:04:57,500 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2025-01-10 02:04:57,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 02:04:57,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:57,701 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:04:57,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:04:57,701 INFO L85 PathProgramCache]: Analyzing trace with hash 75008342, now seen corresponding path program 2 times [2025-01-10 02:04:57,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:04:57,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374101654] [2025-01-10 02:04:57,702 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:04:57,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:04:57,711 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 46 statements into 2 equivalence classes. [2025-01-10 02:04:57,734 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:04:57,735 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:04:57,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:04:57,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [784587097] [2025-01-10 02:04:57,736 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:04:57,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:57,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:04:57,738 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) [2025-01-10 02:04:57,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 02:04:57,772 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 46 statements into 2 equivalence classes. [2025-01-10 02:04:57,785 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:04:57,785 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:04:57,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:04:57,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:04:57,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:04:57,856 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:04:57,857 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:04:58,011 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:04:58,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:04:58,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374101654] [2025-01-10 02:04:58,012 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:04:58,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784587097] [2025-01-10 02:04:58,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784587097] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:04:58,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:04:58,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-01-10 02:04:58,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616112790] [2025-01-10 02:04:58,012 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:04:58,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:04:58,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:04:58,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:04:58,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:04:58,014 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:04:58,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:04:58,198 INFO L93 Difference]: Finished difference Result 72 states and 86 transitions. [2025-01-10 02:04:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:04:58,198 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 46 [2025-01-10 02:04:58,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:04:58,199 INFO L225 Difference]: With dead ends: 72 [2025-01-10 02:04:58,201 INFO L226 Difference]: Without dead ends: 71 [2025-01-10 02:04:58,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:04:58,201 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 21 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:04:58,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 127 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:04:58,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2025-01-10 02:04:58,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2025-01-10 02:04:58,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 59 states have (on average 1.0169491525423728) internal successors, (60), 59 states have internal predecessors, (60), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 02:04:58,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 80 transitions. [2025-01-10 02:04:58,217 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 80 transitions. Word has length 46 [2025-01-10 02:04:58,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:04:58,218 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 80 transitions. [2025-01-10 02:04:58,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:04:58,218 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2025-01-10 02:04:58,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-01-10 02:04:58,220 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:04:58,221 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2025-01-10 02:04:58,227 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 [2025-01-10 02:04:58,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:58,425 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:04:58,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:04:58,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1174220098, now seen corresponding path program 3 times [2025-01-10 02:04:58,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:04:58,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656624165] [2025-01-10 02:04:58,426 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:04:58,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:04:58,443 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 106 statements into 11 equivalence classes. [2025-01-10 02:04:58,491 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 02:04:58,491 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 02:04:58,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:04:58,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1024426766] [2025-01-10 02:04:58,493 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:04:58,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:58,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:04:58,495 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) [2025-01-10 02:04:58,500 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 [2025-01-10 02:04:58,530 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 106 statements into 11 equivalence classes. [2025-01-10 02:04:58,569 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 02:04:58,569 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 02:04:58,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:04:58,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 02:04:58,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:04:58,731 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 02:04:58,731 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:04:59,074 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 02:04:59,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:04:59,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656624165] [2025-01-10 02:04:59,074 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:04:59,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024426766] [2025-01-10 02:04:59,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024426766] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:04:59,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:04:59,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2025-01-10 02:04:59,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017426082] [2025-01-10 02:04:59,075 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:04:59,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-10 02:04:59,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:04:59,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-10 02:04:59,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2025-01-10 02:04:59,077 INFO L87 Difference]: Start difference. First operand 71 states and 80 transitions. Second operand has 24 states, 23 states have (on average 4.869565217391305) internal successors, (112), 24 states have internal predecessors, (112), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:04:59,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:04:59,724 INFO L93 Difference]: Finished difference Result 144 states and 176 transitions. [2025-01-10 02:04:59,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 02:04:59,724 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.869565217391305) internal successors, (112), 24 states have internal predecessors, (112), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Word has length 106 [2025-01-10 02:04:59,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:04:59,726 INFO L225 Difference]: With dead ends: 144 [2025-01-10 02:04:59,728 INFO L226 Difference]: Without dead ends: 143 [2025-01-10 02:04:59,728 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2025-01-10 02:04:59,729 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 36 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:04:59,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 385 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:04:59,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2025-01-10 02:04:59,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2025-01-10 02:04:59,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 119 states have (on average 1.0084033613445378) internal successors, (120), 119 states have internal predecessors, (120), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:04:59,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 164 transitions. [2025-01-10 02:04:59,748 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 164 transitions. Word has length 106 [2025-01-10 02:04:59,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:04:59,749 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 164 transitions. [2025-01-10 02:04:59,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.869565217391305) internal successors, (112), 24 states have internal predecessors, (112), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:04:59,749 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 164 transitions. [2025-01-10 02:04:59,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2025-01-10 02:04:59,752 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:04:59,752 INFO L218 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2025-01-10 02:04:59,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-10 02:04:59,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:59,953 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:04:59,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:04:59,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1357217394, now seen corresponding path program 4 times [2025-01-10 02:04:59,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:04:59,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579883912] [2025-01-10 02:04:59,954 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:04:59,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:04:59,973 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 226 statements into 2 equivalence classes. [2025-01-10 02:05:00,016 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 226 of 226 statements. [2025-01-10 02:05:00,017 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 02:05:00,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:05:00,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [405485904] [2025-01-10 02:05:00,019 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:05:00,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:05:00,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:05:00,024 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) [2025-01-10 02:05:00,026 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 [2025-01-10 02:05:00,067 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 226 statements into 2 equivalence classes. [2025-01-10 02:05:00,105 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 226 of 226 statements. [2025-01-10 02:05:00,105 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 02:05:00,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:05:00,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-01-10 02:05:00,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:05:00,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2354 backedges. 0 proven. 1430 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-01-10 02:05:00,496 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:05:01,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2354 backedges. 0 proven. 1430 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-01-10 02:05:01,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:05:01,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579883912] [2025-01-10 02:05:01,528 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:05:01,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405485904] [2025-01-10 02:05:01,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405485904] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:05:01,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:05:01,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2025-01-10 02:05:01,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470996323] [2025-01-10 02:05:01,528 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:05:01,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-01-10 02:05:01,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:05:01,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-01-10 02:05:01,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=1634, Unknown=0, NotChecked=0, Total=2256 [2025-01-10 02:05:01,532 INFO L87 Difference]: Start difference. First operand 143 states and 164 transitions. Second operand has 48 states, 47 states have (on average 4.9361702127659575) internal successors, (232), 48 states have internal predecessors, (232), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-01-10 02:05:04,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:05:04,139 INFO L93 Difference]: Finished difference Result 288 states and 356 transitions. [2025-01-10 02:05:04,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-10 02:05:04,140 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.9361702127659575) internal successors, (232), 48 states have internal predecessors, (232), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Word has length 226 [2025-01-10 02:05:04,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:05:04,142 INFO L225 Difference]: With dead ends: 288 [2025-01-10 02:05:04,142 INFO L226 Difference]: Without dead ends: 287 [2025-01-10 02:05:04,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1678, Invalid=3152, Unknown=0, NotChecked=0, Total=4830 [2025-01-10 02:05:04,144 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 75 mSDsluCounter, 1172 mSDsCounter, 0 mSdLazyCounter, 2803 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 2828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 02:05:04,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 1249 Invalid, 2828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2803 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 02:05:04,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2025-01-10 02:05:04,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2025-01-10 02:05:04,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 239 states have (on average 1.00418410041841) internal successors, (240), 239 states have internal predecessors, (240), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-01-10 02:05:04,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 332 transitions. [2025-01-10 02:05:04,159 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 332 transitions. Word has length 226 [2025-01-10 02:05:04,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:05:04,160 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 332 transitions. [2025-01-10 02:05:04,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.9361702127659575) internal successors, (232), 48 states have internal predecessors, (232), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-01-10 02:05:04,160 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 332 transitions. [2025-01-10 02:05:04,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2025-01-10 02:05:04,164 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:05:04,165 INFO L218 NwaCegarLoop]: trace histogram [47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2025-01-10 02:05:04,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-10 02:05:04,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:05:04,369 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:05:04,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:05:04,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1506914514, now seen corresponding path program 5 times [2025-01-10 02:05:04,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:05:04,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394854780] [2025-01-10 02:05:04,370 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 02:05:04,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:05:04,388 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 466 statements into 47 equivalence classes. [2025-01-10 02:05:04,608 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 466 of 466 statements. [2025-01-10 02:05:04,608 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-01-10 02:05:04,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:05:04,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2103936689] [2025-01-10 02:05:04,611 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 02:05:04,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:05:04,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:05:04,613 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) [2025-01-10 02:05:04,615 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 [2025-01-10 02:05:04,718 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 466 statements into 47 equivalence classes. [2025-01-10 02:05:04,839 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 466 of 466 statements. [2025-01-10 02:05:04,839 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-01-10 02:05:04,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:05:04,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 95 conjuncts are in the unsatisfiable core [2025-01-10 02:05:04,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:05:05,909 INFO L134 CoverageAnalysis]: Checked inductivity of 10442 backedges. 0 proven. 6302 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2025-01-10 02:05:05,909 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:05:09,273 INFO L134 CoverageAnalysis]: Checked inductivity of 10442 backedges. 0 proven. 6302 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2025-01-10 02:05:09,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:05:09,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394854780] [2025-01-10 02:05:09,274 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:05:09,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103936689] [2025-01-10 02:05:09,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103936689] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:05:09,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:05:09,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 95 [2025-01-10 02:05:09,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241309197] [2025-01-10 02:05:09,275 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:05:09,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-01-10 02:05:09,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:05:09,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-01-10 02:05:09,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2398, Invalid=6722, Unknown=0, NotChecked=0, Total=9120 [2025-01-10 02:05:09,279 INFO L87 Difference]: Start difference. First operand 287 states and 332 transitions. Second operand has 96 states, 95 states have (on average 4.968421052631579) internal successors, (472), 96 states have internal predecessors, (472), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-01-10 02:05:20,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:05:20,886 INFO L93 Difference]: Finished difference Result 576 states and 716 transitions. [2025-01-10 02:05:20,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-01-10 02:05:20,887 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 4.968421052631579) internal successors, (472), 96 states have internal predecessors, (472), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) Word has length 466 [2025-01-10 02:05:20,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:05:20,890 INFO L225 Difference]: With dead ends: 576 [2025-01-10 02:05:20,890 INFO L226 Difference]: Without dead ends: 575 [2025-01-10 02:05:20,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 976 GetRequests, 836 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=6814, Invalid=13208, Unknown=0, NotChecked=0, Total=20022 [2025-01-10 02:05:20,896 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 144 mSDsluCounter, 4704 mSDsCounter, 0 mSdLazyCounter, 11373 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 4853 SdHoareTripleChecker+Invalid, 11421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 11373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2025-01-10 02:05:20,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 4853 Invalid, 11421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 11373 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2025-01-10 02:05:20,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2025-01-10 02:05:20,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2025-01-10 02:05:20,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 479 states have (on average 1.0020876826722338) internal successors, (480), 479 states have internal predecessors, (480), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-01-10 02:05:20,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 668 transitions. [2025-01-10 02:05:20,937 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 668 transitions. Word has length 466 [2025-01-10 02:05:20,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:05:20,939 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 668 transitions. [2025-01-10 02:05:20,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 4.968421052631579) internal successors, (472), 96 states have internal predecessors, (472), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-01-10 02:05:20,940 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 668 transitions. [2025-01-10 02:05:20,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 947 [2025-01-10 02:05:20,957 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:05:20,957 INFO L218 NwaCegarLoop]: trace histogram [95, 94, 94, 94, 94, 94, 94, 94, 94, 94, 1, 1, 1, 1, 1] [2025-01-10 02:05:20,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 02:05:21,161 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,SelfDestructingSolverStorable6 [2025-01-10 02:05:21,161 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:05:21,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:05:21,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1767396754, now seen corresponding path program 6 times [2025-01-10 02:05:21,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:05:21,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893505148] [2025-01-10 02:05:21,163 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 02:05:21,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:05:21,194 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 946 statements into 95 equivalence classes. [2025-01-10 02:05:21,616 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 946 of 946 statements. [2025-01-10 02:05:21,616 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-01-10 02:05:21,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:05:21,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [830066107] [2025-01-10 02:05:21,623 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 02:05:21,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:05:21,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:05:21,633 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:05:21,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 02:05:21,730 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 946 statements into 95 equivalence classes. [2025-01-10 02:05:22,507 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 946 of 946 statements. [2025-01-10 02:05:22,507 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-01-10 02:05:22,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:05:22,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 1534 conjuncts, 98 conjuncts are in the unsatisfiable core [2025-01-10 02:05:22,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:05:25,629 INFO L134 CoverageAnalysis]: Checked inductivity of 43898 backedges. 0 proven. 26414 refuted. 0 times theorem prover too weak. 17484 trivial. 0 not checked. [2025-01-10 02:05:25,629 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:05:26,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:05:26,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893505148] [2025-01-10 02:05:26,098 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:05:26,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830066107] [2025-01-10 02:05:26,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830066107] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:05:26,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:05:26,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2025-01-10 02:05:26,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736359641] [2025-01-10 02:05:26,098 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:05:26,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2025-01-10 02:05:26,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:05:26,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2025-01-10 02:05:26,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4771, Invalid=5531, Unknown=0, NotChecked=0, Total=10302 [2025-01-10 02:05:26,104 INFO L87 Difference]: Start difference. First operand 575 states and 668 transitions. Second operand has 98 states, 97 states have (on average 4.938144329896907) internal successors, (479), 98 states have internal predecessors, (479), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-01-10 02:05:31,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:05:31,432 INFO L93 Difference]: Finished difference Result 586 states and 681 transitions. [2025-01-10 02:05:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-10 02:05:31,433 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 97 states have (on average 4.938144329896907) internal successors, (479), 98 states have internal predecessors, (479), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) Word has length 946 [2025-01-10 02:05:31,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:05:31,438 INFO L225 Difference]: With dead ends: 586 [2025-01-10 02:05:31,440 INFO L226 Difference]: Without dead ends: 585 [2025-01-10 02:05:31,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1055 GetRequests, 861 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4751 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=14359, Invalid=23861, Unknown=0, NotChecked=0, Total=38220 [2025-01-10 02:05:31,444 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 379 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:05:31,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 125 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:05:31,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2025-01-10 02:05:31,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 581. [2025-01-10 02:05:31,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 484 states have (on average 1.0020661157024793) internal successors, (485), 484 states have internal predecessors, (485), 95 states have call successors, (95), 1 states have call predecessors, (95), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2025-01-10 02:05:31,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 675 transitions. [2025-01-10 02:05:31,479 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 675 transitions. Word has length 946 [2025-01-10 02:05:31,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:05:31,482 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 675 transitions. [2025-01-10 02:05:31,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 97 states have (on average 4.938144329896907) internal successors, (479), 98 states have internal predecessors, (479), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-01-10 02:05:31,482 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 675 transitions. [2025-01-10 02:05:31,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2025-01-10 02:05:31,488 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:05:31,488 INFO L218 NwaCegarLoop]: trace histogram [96, 95, 95, 95, 95, 95, 95, 95, 95, 95, 1, 1, 1, 1, 1] [2025-01-10 02:05:31,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-10 02:05:31,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:05:31,692 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:05:31,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:05:31,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1979683798, now seen corresponding path program 7 times [2025-01-10 02:05:31,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:05:31,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344030807] [2025-01-10 02:05:31,693 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 02:05:31,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:05:31,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 956 statements into 1 equivalence classes. [2025-01-10 02:05:31,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 956 of 956 statements. [2025-01-10 02:05:31,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:05:31,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:05:31,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2118802978] [2025-01-10 02:05:31,835 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 02:05:31,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:05:31,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:05:31,840 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:05:31,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 02:05:31,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 956 statements into 1 equivalence classes. [2025-01-10 02:05:32,095 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 956 of 956 statements. [2025-01-10 02:05:32,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:05:32,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:05:32,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 1550 conjuncts, 193 conjuncts are in the unsatisfiable core [2025-01-10 02:05:32,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:05:35,536 INFO L134 CoverageAnalysis]: Checked inductivity of 44840 backedges. 0 proven. 26980 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2025-01-10 02:05:35,537 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:05:47,310 INFO L134 CoverageAnalysis]: Checked inductivity of 44840 backedges. 0 proven. 26980 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2025-01-10 02:05:47,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:05:47,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344030807] [2025-01-10 02:05:47,311 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:05:47,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118802978] [2025-01-10 02:05:47,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118802978] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:05:47,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:05:47,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 97] total 193 [2025-01-10 02:05:47,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145513353] [2025-01-10 02:05:47,312 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:05:47,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2025-01-10 02:05:47,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:05:47,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2025-01-10 02:05:47,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9601, Invalid=27841, Unknown=0, NotChecked=0, Total=37442 [2025-01-10 02:05:47,322 INFO L87 Difference]: Start difference. First operand 581 states and 675 transitions. Second operand has 194 states, 193 states have (on average 4.984455958549223) internal successors, (962), 194 states have internal predecessors, (962), 190 states have call successors, (190), 1 states have call predecessors, (190), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190)