./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound5.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_valuebound5.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 6437fdc3c0b95eb5fb3a7e28606efb50e2431074b1de5f5cf4c718827adac36d --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:05:47,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:05:47,295 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:05:47,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:05:47,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:05:47,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:05:47,329 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:05:47,329 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:05:47,329 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:05:47,329 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:05:47,330 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:05:47,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:05:47,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:05:47,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:05:47,331 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:05:47,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:05:47,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:05:47,331 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:05:47,331 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:05:47,331 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:05:47,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:05:47,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:05:47,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:05:47,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:05:47,332 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:05:47,332 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:05:47,332 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:05:47,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:05:47,332 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:05:47,332 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:05:47,333 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:05:47,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:05:47,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:05:47,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:05:47,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:05:47,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:05:47,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:05:47,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:05:47,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:05:47,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:05:47,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:05:47,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:05:47,333 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:05:47,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:05:47,334 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:05:47,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:05:47,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:05:47,334 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:05:47,334 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:05:47,334 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:05:47,334 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 -> 6437fdc3c0b95eb5fb3a7e28606efb50e2431074b1de5f5cf4c718827adac36d [2025-01-10 02:05:47,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:05:47,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:05:47,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:05:47,569 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:05:47,569 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:05:47,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound5.c [2025-01-10 02:05:48,727 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ff21a3c6c/3866bc8074b24c33924efe2014640478/FLAG0ce995aaf [2025-01-10 02:05:49,029 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:05:49,029 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound5.c [2025-01-10 02:05:49,034 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ff21a3c6c/3866bc8074b24c33924efe2014640478/FLAG0ce995aaf [2025-01-10 02:05:49,297 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ff21a3c6c/3866bc8074b24c33924efe2014640478 [2025-01-10 02:05:49,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:05:49,301 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:05:49,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:05:49,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:05:49,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:05:49,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:05:49" (1/1) ... [2025-01-10 02:05:49,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d727117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:05:49, skipping insertion in model container [2025-01-10 02:05:49,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:05:49" (1/1) ... [2025-01-10 02:05:49,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:05:49,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:05:49,434 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:05:49,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:05:49,456 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:05:49,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:05:49 WrapperNode [2025-01-10 02:05:49,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:05:49,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:05:49,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:05:49,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:05:49,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:05:49" (1/1) ... [2025-01-10 02:05:49,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:05:49" (1/1) ... [2025-01-10 02:05:49,481 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2025-01-10 02:05:49,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:05:49,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:05:49,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:05:49,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:05:49,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:05:49" (1/1) ... [2025-01-10 02:05:49,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:05:49" (1/1) ... [2025-01-10 02:05:49,489 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:05:49" (1/1) ... [2025-01-10 02:05:49,497 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 02:05:49,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:05:49" (1/1) ... [2025-01-10 02:05:49,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:05:49" (1/1) ... [2025-01-10 02:05:49,500 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:05:49" (1/1) ... [2025-01-10 02:05:49,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:05:49" (1/1) ... [2025-01-10 02:05:49,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:05:49" (1/1) ... [2025-01-10 02:05:49,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:05:49" (1/1) ... [2025-01-10 02:05:49,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:05:49" (1/1) ... [2025-01-10 02:05:49,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:05:49,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:05:49,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:05:49,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:05:49,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:05:49" (1/1) ... [2025-01-10 02:05:49,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:05:49,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:05:49,529 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 02:05:49,541 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 02:05:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:05:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:05:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:05:49,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:05:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:05:49,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:05:49,590 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:05:49,591 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:05:49,655 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-01-10 02:05:49,656 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:05:49,661 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:05:49,662 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 02:05:49,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:05:49 BoogieIcfgContainer [2025-01-10 02:05:49,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:05:49,663 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:05:49,663 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:05:49,666 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:05:49,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:05:49" (1/3) ... [2025-01-10 02:05:49,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40d3232d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:05:49, skipping insertion in model container [2025-01-10 02:05:49,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:05:49" (2/3) ... [2025-01-10 02:05:49,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40d3232d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:05:49, skipping insertion in model container [2025-01-10 02:05:49,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:05:49" (3/3) ... [2025-01-10 02:05:49,668 INFO L128 eAbstractionObserver]: Analyzing ICFG freire1_valuebound5.c [2025-01-10 02:05:49,677 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:05:49,678 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG freire1_valuebound5.c that has 2 procedures, 29 locations, 1 initial locations, 1 loop locations, and 6 error locations. [2025-01-10 02:05:49,705 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:05:49,712 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;@50adf0f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:05:49,712 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-01-10 02:05:49,715 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 02:05:49,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 02:05:49,717 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:05:49,718 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 02:05:49,718 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 02:05:49,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:05:49,721 INFO L85 PathProgramCache]: Analyzing trace with hash 28693830, now seen corresponding path program 1 times [2025-01-10 02:05:49,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:05:49,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020334613] [2025-01-10 02:05:49,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:05:49,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:05:49,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 02:05:49,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 02:05:49,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:05:49,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:05:49,799 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 02:05:49,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:05:49,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020334613] [2025-01-10 02:05:49,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020334613] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:05:49,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:05:49,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:05:49,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851443011] [2025-01-10 02:05:49,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:05:49,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:05:49,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:05:49,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:05:49,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:05:49,821 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 02:05:49,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:05:49,833 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2025-01-10 02:05:49,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:05:49,835 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 02:05:49,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:05:49,839 INFO L225 Difference]: With dead ends: 52 [2025-01-10 02:05:49,839 INFO L226 Difference]: Without dead ends: 20 [2025-01-10 02:05:49,842 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 02:05:49,846 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 02:05:49,846 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 02:05:49,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2025-01-10 02:05:49,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2025-01-10 02:05:49,866 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 02:05:49,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2025-01-10 02:05:49,870 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 5 [2025-01-10 02:05:49,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:05:49,871 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2025-01-10 02:05:49,871 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 02:05:49,871 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2025-01-10 02:05:49,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 02:05:49,872 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:05:49,872 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 02:05:49,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 02:05:49,873 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 02:05:49,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:05:49,874 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2025-01-10 02:05:49,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:05:49,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342626363] [2025-01-10 02:05:49,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:05:49,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:05:49,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 02:05:49,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 02:05:49,890 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:05:49,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:05:49,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1158873080] [2025-01-10 02:05:49,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:05:49,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:05:49,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:05:49,899 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 02:05:49,900 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 02:05:49,941 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 02:05:49,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 02:05:49,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:05:49,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:05:49,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:05:49,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:05:49,984 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 02:05:49,984 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:05:49,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:05:49,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342626363] [2025-01-10 02:05:49,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:05:49,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158873080] [2025-01-10 02:05:49,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158873080] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:05:49,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:05:49,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:05:49,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847133933] [2025-01-10 02:05:49,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:05:49,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:05:49,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:05:49,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:05:49,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:05:49,986 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 02:05:50,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:05:50,010 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2025-01-10 02:05:50,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:05:50,010 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 02:05:50,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:05:50,011 INFO L225 Difference]: With dead ends: 32 [2025-01-10 02:05:50,011 INFO L226 Difference]: Without dead ends: 26 [2025-01-10 02:05:50,011 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 02:05:50,011 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 02:05:50,012 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 02:05:50,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-01-10 02:05:50,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2025-01-10 02:05:50,015 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 02:05:50,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2025-01-10 02:05:50,019 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 6 [2025-01-10 02:05:50,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:05:50,020 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2025-01-10 02:05:50,020 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 02:05:50,020 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2025-01-10 02:05:50,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-10 02:05:50,021 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:05:50,022 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:05:50,030 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 02:05:50,223 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 02:05:50,224 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 02:05:50,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:05:50,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1203083230, now seen corresponding path program 1 times [2025-01-10 02:05:50,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:05:50,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667015003] [2025-01-10 02:05:50,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:05:50,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:05:50,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 02:05:50,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 02:05:50,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:05:50,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:05:50,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [525595360] [2025-01-10 02:05:50,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:05:50,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:05:50,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:05:50,254 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 02:05:50,256 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 02:05:50,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 02:05:50,284 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 02:05:50,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:05:50,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:05:50,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:05:50,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:05:50,331 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 02:05:50,331 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:05:50,383 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 02:05:50,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:05:50,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667015003] [2025-01-10 02:05:50,384 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:05:50,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525595360] [2025-01-10 02:05:50,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525595360] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:05:50,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:05:50,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-01-10 02:05:50,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501248857] [2025-01-10 02:05:50,384 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:05:50,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:05:50,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:05:50,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:05:50,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:05:50,385 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 02:05:50,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:05:50,462 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2025-01-10 02:05:50,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:05:50,463 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 02:05:50,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:05:50,463 INFO L225 Difference]: With dead ends: 45 [2025-01-10 02:05:50,463 INFO L226 Difference]: Without dead ends: 35 [2025-01-10 02:05:50,463 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 02:05:50,464 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, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:05:50,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 42 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:05:50,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2025-01-10 02:05:50,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2025-01-10 02:05:50,468 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 02:05:50,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2025-01-10 02:05:50,469 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 16 [2025-01-10 02:05:50,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:05:50,470 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2025-01-10 02:05:50,470 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 02:05:50,470 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2025-01-10 02:05:50,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-10 02:05:50,471 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:05:50,471 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2025-01-10 02:05:50,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 02:05:50,672 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 02:05:50,672 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 02:05:50,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:05:50,673 INFO L85 PathProgramCache]: Analyzing trace with hash 75008342, now seen corresponding path program 2 times [2025-01-10 02:05:50,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:05:50,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397070733] [2025-01-10 02:05:50,673 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:05:50,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:05:50,684 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 46 statements into 2 equivalence classes. [2025-01-10 02:05:50,699 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:05:50,699 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:05:50,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:05:50,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [27594440] [2025-01-10 02:05:50,700 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:05:50,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:05:50,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:05:50,706 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 02:05:50,707 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 02:05:50,738 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 46 statements into 2 equivalence classes. [2025-01-10 02:05:50,757 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:05:50,758 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:05:50,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:05:50,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:05:50,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:05:50,854 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 02:05:50,854 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:05:51,004 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 02:05:51,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:05:51,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397070733] [2025-01-10 02:05:51,006 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:05:51,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27594440] [2025-01-10 02:05:51,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27594440] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:05:51,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:05:51,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-01-10 02:05:51,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691345512] [2025-01-10 02:05:51,006 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:05:51,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:05:51,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:05:51,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:05:51,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:05:51,007 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 02:05:51,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:05:51,185 INFO L93 Difference]: Finished difference Result 72 states and 86 transitions. [2025-01-10 02:05:51,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:05:51,185 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 02:05:51,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:05:51,186 INFO L225 Difference]: With dead ends: 72 [2025-01-10 02:05:51,186 INFO L226 Difference]: Without dead ends: 71 [2025-01-10 02:05:51,186 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 02:05:51,187 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 02:05:51,187 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 02:05:51,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2025-01-10 02:05:51,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2025-01-10 02:05:51,195 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 02:05:51,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 80 transitions. [2025-01-10 02:05:51,195 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 80 transitions. Word has length 46 [2025-01-10 02:05:51,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:05:51,196 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 80 transitions. [2025-01-10 02:05:51,196 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 02:05:51,196 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2025-01-10 02:05:51,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-01-10 02:05:51,198 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:05:51,198 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2025-01-10 02:05:51,203 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 02:05:51,402 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 02:05:51,402 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 02:05:51,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:05:51,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1174220098, now seen corresponding path program 3 times [2025-01-10 02:05:51,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:05:51,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724892196] [2025-01-10 02:05:51,403 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:05:51,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:05:51,417 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 106 statements into 11 equivalence classes. [2025-01-10 02:05:51,498 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 02:05:51,498 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 02:05:51,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:05:51,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [196213704] [2025-01-10 02:05:51,503 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:05:51,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:05:51,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:05:51,508 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 02:05:51,515 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 02:05:51,554 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 106 statements into 11 equivalence classes. [2025-01-10 02:05:51,593 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 02:05:51,593 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 02:05:51,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:05:51,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 02:05:51,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:05:51,750 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 02:05:51,750 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:05:52,140 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 02:05:52,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:05:52,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724892196] [2025-01-10 02:05:52,140 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:05:52,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196213704] [2025-01-10 02:05:52,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196213704] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:05:52,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:05:52,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2025-01-10 02:05:52,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312223610] [2025-01-10 02:05:52,141 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:05:52,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-10 02:05:52,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:05:52,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-10 02:05:52,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2025-01-10 02:05:52,143 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 02:05:52,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:05:52,826 INFO L93 Difference]: Finished difference Result 144 states and 176 transitions. [2025-01-10 02:05:52,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 02:05:52,827 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 02:05:52,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:05:52,829 INFO L225 Difference]: With dead ends: 144 [2025-01-10 02:05:52,830 INFO L226 Difference]: Without dead ends: 143 [2025-01-10 02:05:52,830 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 02:05:52,831 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 02:05:52,831 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 02:05:52,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2025-01-10 02:05:52,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2025-01-10 02:05:52,843 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 02:05:52,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 164 transitions. [2025-01-10 02:05:52,844 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 164 transitions. Word has length 106 [2025-01-10 02:05:52,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:05:52,844 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 164 transitions. [2025-01-10 02:05:52,845 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 02:05:52,845 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 164 transitions. [2025-01-10 02:05:52,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2025-01-10 02:05:52,846 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:05:52,847 INFO L218 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2025-01-10 02:05:52,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 02:05:53,051 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 02:05:53,051 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 02:05:53,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:05:53,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1357217394, now seen corresponding path program 4 times [2025-01-10 02:05:53,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:05:53,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933143707] [2025-01-10 02:05:53,052 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:05:53,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:05:53,065 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 226 statements into 2 equivalence classes. [2025-01-10 02:05:53,131 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 02:05:53,132 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 02:05:53,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:05:53,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1361437699] [2025-01-10 02:05:53,135 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:05:53,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:05:53,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:05:53,140 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 02:05:53,141 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 02:05:53,181 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 226 statements into 2 equivalence classes. [2025-01-10 02:05:53,226 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 02:05:53,226 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 02:05:53,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:05:53,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-01-10 02:05:53,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:05:53,577 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 02:05:53,578 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:05:54,586 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 02:05:54,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:05:54,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933143707] [2025-01-10 02:05:54,587 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:05:54,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361437699] [2025-01-10 02:05:54,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361437699] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:05:54,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:05:54,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2025-01-10 02:05:54,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251947182] [2025-01-10 02:05:54,587 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:05:54,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-01-10 02:05:54,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:05:54,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-01-10 02:05:54,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=1634, Unknown=0, NotChecked=0, Total=2256 [2025-01-10 02:05:54,590 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 02:05:57,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:05:57,217 INFO L93 Difference]: Finished difference Result 288 states and 356 transitions. [2025-01-10 02:05:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-10 02:05:57,218 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 02:05:57,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:05:57,220 INFO L225 Difference]: With dead ends: 288 [2025-01-10 02:05:57,220 INFO L226 Difference]: Without dead ends: 287 [2025-01-10 02:05:57,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1678, Invalid=3152, Unknown=0, NotChecked=0, Total=4830 [2025-01-10 02:05:57,222 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 75 mSDsluCounter, 1172 mSDsCounter, 0 mSdLazyCounter, 2803 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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 02:05:57,223 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 02:05:57,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2025-01-10 02:05:57,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2025-01-10 02:05:57,246 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 02:05:57,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 332 transitions. [2025-01-10 02:05:57,251 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 332 transitions. Word has length 226 [2025-01-10 02:05:57,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:05:57,252 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 332 transitions. [2025-01-10 02:05:57,252 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 02:05:57,252 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 332 transitions. [2025-01-10 02:05:57,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2025-01-10 02:05:57,257 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:05:57,257 INFO L218 NwaCegarLoop]: trace histogram [47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2025-01-10 02:05:57,264 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 02:05:57,462 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 02:05:57,462 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 02:05:57,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:05:57,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1506914514, now seen corresponding path program 5 times [2025-01-10 02:05:57,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:05:57,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147858144] [2025-01-10 02:05:57,463 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 02:05:57,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:05:57,481 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 466 statements into 47 equivalence classes. [2025-01-10 02:05:57,750 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 466 of 466 statements. [2025-01-10 02:05:57,750 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-01-10 02:05:57,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:05:57,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [215544768] [2025-01-10 02:05:57,759 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 02:05:57,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:05:57,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:05:57,765 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 02:05:57,766 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 02:05:57,829 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 466 statements into 47 equivalence classes. [2025-01-10 02:05:57,951 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 466 of 466 statements. [2025-01-10 02:05:57,951 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-01-10 02:05:57,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:05:57,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 95 conjuncts are in the unsatisfiable core [2025-01-10 02:05:57,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:05:58,979 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 02:05:58,980 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:06:02,392 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 02:06:02,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:06:02,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147858144] [2025-01-10 02:06:02,393 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:06:02,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215544768] [2025-01-10 02:06:02,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215544768] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:06:02,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:06:02,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 95 [2025-01-10 02:06:02,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929271757] [2025-01-10 02:06:02,393 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:06:02,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-01-10 02:06:02,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:06:02,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-01-10 02:06:02,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2398, Invalid=6722, Unknown=0, NotChecked=0, Total=9120 [2025-01-10 02:06:02,403 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 02:06:14,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:06:14,482 INFO L93 Difference]: Finished difference Result 576 states and 716 transitions. [2025-01-10 02:06:14,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-01-10 02:06:14,482 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 02:06:14,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:06:14,487 INFO L225 Difference]: With dead ends: 576 [2025-01-10 02:06:14,487 INFO L226 Difference]: Without dead ends: 575 [2025-01-10 02:06:14,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 976 GetRequests, 836 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=6814, Invalid=13208, Unknown=0, NotChecked=0, Total=20022 [2025-01-10 02:06:14,493 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 144 mSDsluCounter, 4704 mSDsCounter, 0 mSdLazyCounter, 11373 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 3.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:06:14,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 4853 Invalid, 11421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 11373 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2025-01-10 02:06:14,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2025-01-10 02:06:14,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2025-01-10 02:06:14,524 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 02:06:14,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 668 transitions. [2025-01-10 02:06:14,528 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 668 transitions. Word has length 466 [2025-01-10 02:06:14,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:06:14,529 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 668 transitions. [2025-01-10 02:06:14,529 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 02:06:14,530 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 668 transitions. [2025-01-10 02:06:14,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 947 [2025-01-10 02:06:14,558 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:06:14,559 INFO L218 NwaCegarLoop]: trace histogram [95, 94, 94, 94, 94, 94, 94, 94, 94, 94, 1, 1, 1, 1, 1] [2025-01-10 02:06:14,566 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 02:06:14,759 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 02:06:14,760 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 02:06:14,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:06:14,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1767396754, now seen corresponding path program 6 times [2025-01-10 02:06:14,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:06:14,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518877680] [2025-01-10 02:06:14,761 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 02:06:14,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:06:14,805 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 946 statements into 95 equivalence classes. [2025-01-10 02:06:15,217 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 946 of 946 statements. [2025-01-10 02:06:15,217 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-01-10 02:06:15,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:06:15,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [168848645] [2025-01-10 02:06:15,224 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 02:06:15,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:06:15,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:06:15,227 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 02:06:15,229 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 02:06:15,396 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 946 statements into 95 equivalence classes. [2025-01-10 02:06:16,173 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 946 of 946 statements. [2025-01-10 02:06:16,173 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-01-10 02:06:16,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:06:16,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 1534 conjuncts, 98 conjuncts are in the unsatisfiable core [2025-01-10 02:06:16,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:06:19,432 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 02:06:19,432 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:06:19,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:06:19,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518877680] [2025-01-10 02:06:19,884 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:06:19,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168848645] [2025-01-10 02:06:19,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168848645] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:06:19,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:06:19,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2025-01-10 02:06:19,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620772905] [2025-01-10 02:06:19,884 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:06:19,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2025-01-10 02:06:19,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:06:19,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2025-01-10 02:06:19,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4771, Invalid=5531, Unknown=0, NotChecked=0, Total=10302 [2025-01-10 02:06:19,890 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 02:06:25,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:06:25,129 INFO L93 Difference]: Finished difference Result 586 states and 681 transitions. [2025-01-10 02:06:25,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-10 02:06:25,130 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 02:06:25,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:06:25,134 INFO L225 Difference]: With dead ends: 586 [2025-01-10 02:06:25,135 INFO L226 Difference]: Without dead ends: 585 [2025-01-10 02:06:25,139 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 02:06:25,140 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 02:06:25,140 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 02:06:25,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2025-01-10 02:06:25,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 581. [2025-01-10 02:06:25,178 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 02:06:25,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 675 transitions. [2025-01-10 02:06:25,182 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 675 transitions. Word has length 946 [2025-01-10 02:06:25,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:06:25,184 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 675 transitions. [2025-01-10 02:06:25,185 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 02:06:25,185 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 675 transitions. [2025-01-10 02:06:25,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2025-01-10 02:06:25,190 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:06:25,191 INFO L218 NwaCegarLoop]: trace histogram [96, 95, 95, 95, 95, 95, 95, 95, 95, 95, 1, 1, 1, 1, 1] [2025-01-10 02:06:25,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-10 02:06:25,396 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 02:06:25,396 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 02:06:25,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:06:25,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1979683798, now seen corresponding path program 7 times [2025-01-10 02:06:25,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:06:25,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367094199] [2025-01-10 02:06:25,397 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 02:06:25,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:06:25,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 956 statements into 1 equivalence classes. [2025-01-10 02:06:25,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 956 of 956 statements. [2025-01-10 02:06:25,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:06:25,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:06:25,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [683671670] [2025-01-10 02:06:25,517 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 02:06:25,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:06:25,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:06:25,519 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 02:06:25,521 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 02:06:25,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 956 statements into 1 equivalence classes. [2025-01-10 02:06:25,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 956 of 956 statements. [2025-01-10 02:06:25,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:06:25,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:06:25,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 1550 conjuncts, 193 conjuncts are in the unsatisfiable core [2025-01-10 02:06:25,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:06:29,139 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 02:06:29,140 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:06:41,752 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 02:06:41,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:06:41,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367094199] [2025-01-10 02:06:41,753 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:06:41,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683671670] [2025-01-10 02:06:41,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683671670] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:06:41,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:06:41,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 97] total 193 [2025-01-10 02:06:41,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300164320] [2025-01-10 02:06:41,755 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:06:41,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2025-01-10 02:06:41,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:06:41,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2025-01-10 02:06:41,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9601, Invalid=27841, Unknown=0, NotChecked=0, Total=37442 [2025-01-10 02:06:41,763 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)