./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id_i5_o5-2.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/recursive-simple/id_i5_o5-2.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 1be5a7d97aa41e02c549ddce0b54861696e25bfa9b91d41dbf151eb81f7686c7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:33:37,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:33:37,525 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:33:37,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:33:37,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:33:37,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:33:37,555 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:33:37,555 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:33:37,556 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:33:37,556 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:33:37,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:33:37,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:33:37,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:33:37,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:33:37,557 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:33:37,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:33:37,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:33:37,557 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:33:37,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:33:37,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:33:37,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:33:37,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:33:37,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:33:37,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:33:37,557 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:33:37,557 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:33:37,557 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:33:37,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:33:37,557 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:33:37,557 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:33:37,558 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:33:37,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:33:37,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:33:37,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:33:37,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:33:37,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:33:37,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:33:37,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:33:37,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:33:37,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:33:37,558 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:33:37,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:33:37,558 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:33:37,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:33:37,558 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:33:37,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:33:37,559 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:33:37,559 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:33:37,559 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:33:37,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:33:37,559 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 -> 1be5a7d97aa41e02c549ddce0b54861696e25bfa9b91d41dbf151eb81f7686c7 [2025-01-10 02:33:37,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:33:37,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:33:37,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:33:37,800 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:33:37,800 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:33:37,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i5_o5-2.c [2025-01-10 02:33:38,901 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/266515f61/66ec15b9338c4bc7a9be5c4bf96be39b/FLAGdd08e4d81 [2025-01-10 02:33:39,107 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:33:39,108 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i5_o5-2.c [2025-01-10 02:33:39,113 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/266515f61/66ec15b9338c4bc7a9be5c4bf96be39b/FLAGdd08e4d81 [2025-01-10 02:33:39,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/266515f61/66ec15b9338c4bc7a9be5c4bf96be39b [2025-01-10 02:33:39,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:33:39,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:33:39,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:33:39,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:33:39,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:33:39,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:33:39" (1/1) ... [2025-01-10 02:33:39,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@781d8a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:33:39, skipping insertion in model container [2025-01-10 02:33:39,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:33:39" (1/1) ... [2025-01-10 02:33:39,138 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:33:39,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:33:39,243 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:33:39,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:33:39,264 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:33:39,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:33:39 WrapperNode [2025-01-10 02:33:39,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:33:39,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:33:39,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:33:39,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:33:39,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:33:39" (1/1) ... [2025-01-10 02:33:39,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:33:39" (1/1) ... [2025-01-10 02:33:39,286 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2025-01-10 02:33:39,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:33:39,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:33:39,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:33:39,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:33:39,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:33:39" (1/1) ... [2025-01-10 02:33:39,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:33:39" (1/1) ... [2025-01-10 02:33:39,294 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:33:39" (1/1) ... [2025-01-10 02:33:39,304 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 02:33:39,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:33:39" (1/1) ... [2025-01-10 02:33:39,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:33:39" (1/1) ... [2025-01-10 02:33:39,307 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:33:39" (1/1) ... [2025-01-10 02:33:39,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:33:39" (1/1) ... [2025-01-10 02:33:39,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:33:39" (1/1) ... [2025-01-10 02:33:39,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:33:39" (1/1) ... [2025-01-10 02:33:39,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:33:39" (1/1) ... [2025-01-10 02:33:39,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:33:39,314 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:33:39,314 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:33:39,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:33:39,315 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:33:39" (1/1) ... [2025-01-10 02:33:39,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:33:39,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:33:39,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 02:33:39,345 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 02:33:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:33:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:33:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:33:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:33:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure id [2025-01-10 02:33:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2025-01-10 02:33:39,402 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:33:39,404 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:33:39,464 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2025-01-10 02:33:39,464 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:33:39,475 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:33:39,476 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 02:33:39,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:33:39 BoogieIcfgContainer [2025-01-10 02:33:39,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:33:39,478 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:33:39,479 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:33:39,482 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:33:39,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:33:39" (1/3) ... [2025-01-10 02:33:39,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f56f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:33:39, skipping insertion in model container [2025-01-10 02:33:39,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:33:39" (2/3) ... [2025-01-10 02:33:39,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f56f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:33:39, skipping insertion in model container [2025-01-10 02:33:39,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:33:39" (3/3) ... [2025-01-10 02:33:39,485 INFO L128 eAbstractionObserver]: Analyzing ICFG id_i5_o5-2.c [2025-01-10 02:33:39,496 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:33:39,498 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG id_i5_o5-2.c that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-01-10 02:33:39,528 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:33:39,539 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;@5a8b4dff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:33:39,540 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-10 02:33:39,543 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 16 states have (on average 1.375) internal successors, (22), 20 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 02:33:39,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 02:33:39,546 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:33:39,547 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 02:33:39,547 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 02:33:39,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:33:39,551 INFO L85 PathProgramCache]: Analyzing trace with hash 890350836, now seen corresponding path program 1 times [2025-01-10 02:33:39,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:33:39,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113742199] [2025-01-10 02:33:39,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:33:39,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:33:39,599 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 02:33:39,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 02:33:39,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:33:39,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:33:39,697 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 02:33:39,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:33:39,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113742199] [2025-01-10 02:33:39,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113742199] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:33:39,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:33:39,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:33:39,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953953600] [2025-01-10 02:33:39,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:33:39,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:33:39,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:33:39,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:33:39,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:33:39,713 INFO L87 Difference]: Start difference. First operand has 24 states, 16 states have (on average 1.375) internal successors, (22), 20 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) Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:33:39,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:33:39,770 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2025-01-10 02:33:39,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:33:39,772 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 02:33:39,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:33:39,775 INFO L225 Difference]: With dead ends: 46 [2025-01-10 02:33:39,775 INFO L226 Difference]: Without dead ends: 28 [2025-01-10 02:33:39,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:33:39,778 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 22 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:33:39,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 67 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:33:39,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2025-01-10 02:33:39,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2025-01-10 02:33:39,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.411764705882353) internal successors, (24), 20 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:33:39,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2025-01-10 02:33:39,803 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 6 [2025-01-10 02:33:39,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:33:39,803 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2025-01-10 02:33:39,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:33:39,803 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2025-01-10 02:33:39,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 02:33:39,803 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:33:39,803 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:33:39,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 02:33:39,804 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 02:33:39,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:33:39,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1831072195, now seen corresponding path program 1 times [2025-01-10 02:33:39,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:33:39,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510735518] [2025-01-10 02:33:39,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:33:39,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:33:39,809 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 02:33:39,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 02:33:39,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:33:39,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:33:39,847 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 02:33:39,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:33:39,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510735518] [2025-01-10 02:33:39,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510735518] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:33:39,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:33:39,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:33:39,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426779788] [2025-01-10 02:33:39,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:33:39,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:33:39,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:33:39,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:33:39,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:33:39,849 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:33:39,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:33:39,884 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2025-01-10 02:33:39,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:33:39,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-01-10 02:33:39,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:33:39,886 INFO L225 Difference]: With dead ends: 27 [2025-01-10 02:33:39,886 INFO L226 Difference]: Without dead ends: 26 [2025-01-10 02:33:39,886 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:33:39,887 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 19 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:33:39,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 26 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:33:39,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-01-10 02:33:39,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2025-01-10 02:33:39,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:33:39,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2025-01-10 02:33:39,892 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 7 [2025-01-10 02:33:39,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:33:39,892 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2025-01-10 02:33:39,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:33:39,892 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2025-01-10 02:33:39,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-01-10 02:33:39,893 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:33:39,893 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:33:39,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 02:33:39,894 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 02:33:39,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:33:39,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1922931507, now seen corresponding path program 1 times [2025-01-10 02:33:39,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:33:39,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079940372] [2025-01-10 02:33:39,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:33:39,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:33:39,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-10 02:33:39,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-10 02:33:39,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:33:39,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:33:39,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:33:39,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:33:39,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079940372] [2025-01-10 02:33:39,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079940372] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:33:39,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153609633] [2025-01-10 02:33:39,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:33:39,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:33:39,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:33:39,994 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 02:33:39,996 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 02:33:40,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-10 02:33:40,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-10 02:33:40,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:33:40,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:33:40,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:33:40,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:33:40,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:33:40,063 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:33:40,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:33:40,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153609633] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:33:40,128 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:33:40,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-01-10 02:33:40,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019267388] [2025-01-10 02:33:40,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:33:40,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:33:40,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:33:40,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:33:40,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:33:40,129 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:33:40,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:33:40,241 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions. [2025-01-10 02:33:40,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:33:40,241 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-01-10 02:33:40,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:33:40,242 INFO L225 Difference]: With dead ends: 76 [2025-01-10 02:33:40,242 INFO L226 Difference]: Without dead ends: 68 [2025-01-10 02:33:40,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:33:40,243 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 99 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:33:40,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 95 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:33:40,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2025-01-10 02:33:40,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 54. [2025-01-10 02:33:40,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 43 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:33:40,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2025-01-10 02:33:40,260 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 65 transitions. Word has length 11 [2025-01-10 02:33:40,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:33:40,260 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 65 transitions. [2025-01-10 02:33:40,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:33:40,260 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2025-01-10 02:33:40,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-01-10 02:33:40,261 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:33:40,261 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:33:40,267 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 02:33:40,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:33:40,465 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 02:33:40,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:33:40,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1856245274, now seen corresponding path program 1 times [2025-01-10 02:33:40,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:33:40,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261451253] [2025-01-10 02:33:40,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:33:40,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:33:40,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 02:33:40,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 02:33:40,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:33:40,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:33:40,526 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-10 02:33:40,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:33:40,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261451253] [2025-01-10 02:33:40,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261451253] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:33:40,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:33:40,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:33:40,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476690191] [2025-01-10 02:33:40,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:33:40,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:33:40,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:33:40,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:33:40,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:33:40,528 INFO L87 Difference]: Start difference. First operand 54 states and 65 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:33:40,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:33:40,544 INFO L93 Difference]: Finished difference Result 74 states and 92 transitions. [2025-01-10 02:33:40,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:33:40,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2025-01-10 02:33:40,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:33:40,546 INFO L225 Difference]: With dead ends: 74 [2025-01-10 02:33:40,546 INFO L226 Difference]: Without dead ends: 72 [2025-01-10 02:33:40,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:33:40,547 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:33:40,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 39 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:33:40,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2025-01-10 02:33:40,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2025-01-10 02:33:40,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 57 states have internal predecessors, (69), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 02:33:40,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2025-01-10 02:33:40,560 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 19 [2025-01-10 02:33:40,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:33:40,560 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2025-01-10 02:33:40,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:33:40,560 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2025-01-10 02:33:40,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-01-10 02:33:40,561 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:33:40,561 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:33:40,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 02:33:40,561 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 02:33:40,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:33:40,562 INFO L85 PathProgramCache]: Analyzing trace with hash -614066819, now seen corresponding path program 1 times [2025-01-10 02:33:40,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:33:40,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443069366] [2025-01-10 02:33:40,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:33:40,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:33:40,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-10 02:33:40,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-10 02:33:40,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:33:40,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:33:40,595 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:33:40,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:33:40,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443069366] [2025-01-10 02:33:40,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443069366] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:33:40,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:33:40,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:33:40,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641988484] [2025-01-10 02:33:40,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:33:40,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:33:40,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:33:40,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:33:40,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:33:40,596 INFO L87 Difference]: Start difference. First operand 72 states and 84 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:33:40,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:33:40,609 INFO L93 Difference]: Finished difference Result 72 states and 84 transitions. [2025-01-10 02:33:40,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:33:40,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2025-01-10 02:33:40,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:33:40,610 INFO L225 Difference]: With dead ends: 72 [2025-01-10 02:33:40,610 INFO L226 Difference]: Without dead ends: 71 [2025-01-10 02:33:40,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:33:40,610 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 1 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:33:40,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 25 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:33:40,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2025-01-10 02:33:40,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2025-01-10 02:33:40,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.1428571428571428) internal successors, (64), 56 states have internal predecessors, (64), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 02:33:40,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2025-01-10 02:33:40,618 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 24 [2025-01-10 02:33:40,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:33:40,619 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2025-01-10 02:33:40,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:33:40,619 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2025-01-10 02:33:40,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-01-10 02:33:40,619 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:33:40,619 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1] [2025-01-10 02:33:40,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 02:33:40,619 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 02:33:40,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:33:40,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1990585420, now seen corresponding path program 2 times [2025-01-10 02:33:40,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:33:40,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32085140] [2025-01-10 02:33:40,622 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:33:40,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:33:40,628 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-01-10 02:33:40,639 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 02:33:40,639 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:33:40,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:33:40,790 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:33:40,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:33:40,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32085140] [2025-01-10 02:33:40,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32085140] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:33:40,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827329873] [2025-01-10 02:33:40,790 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:33:40,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:33:40,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:33:40,793 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 02:33:40,794 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 02:33:40,816 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-01-10 02:33:40,825 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 02:33:40,825 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:33:40,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:33:40,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:33:40,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:33:40,860 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:33:40,860 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:33:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:33:41,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827329873] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:33:41,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:33:41,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2025-01-10 02:33:41,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653604139] [2025-01-10 02:33:41,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:33:41,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-10 02:33:41,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:33:41,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-10 02:33:41,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2025-01-10 02:33:41,028 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:33:41,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:33:41,290 INFO L93 Difference]: Finished difference Result 188 states and 204 transitions. [2025-01-10 02:33:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 02:33:41,290 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-01-10 02:33:41,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:33:41,291 INFO L225 Difference]: With dead ends: 188 [2025-01-10 02:33:41,291 INFO L226 Difference]: Without dead ends: 156 [2025-01-10 02:33:41,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2025-01-10 02:33:41,292 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 247 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:33:41,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 223 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:33:41,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2025-01-10 02:33:41,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 146. [2025-01-10 02:33:41,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 116 states have (on average 1.146551724137931) internal successors, (133), 116 states have internal predecessors, (133), 12 states have call successors, (12), 11 states have call predecessors, (12), 16 states have return successors, (18), 18 states have call predecessors, (18), 11 states have call successors, (18) [2025-01-10 02:33:41,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 163 transitions. [2025-01-10 02:33:41,303 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 163 transitions. Word has length 26 [2025-01-10 02:33:41,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:33:41,303 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 163 transitions. [2025-01-10 02:33:41,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:33:41,304 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 163 transitions. [2025-01-10 02:33:41,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 02:33:41,304 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:33:41,304 INFO L218 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-01-10 02:33:41,310 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 02:33:41,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:33:41,509 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 02:33:41,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:33:41,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1350016289, now seen corresponding path program 1 times [2025-01-10 02:33:41,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:33:41,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715097951] [2025-01-10 02:33:41,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:33:41,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:33:41,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:33:41,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:33:41,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:33:41,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:33:41,573 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 02:33:41,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:33:41,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715097951] [2025-01-10 02:33:41,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715097951] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:33:41,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536491069] [2025-01-10 02:33:41,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:33:41,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:33:41,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:33:41,575 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 02:33:41,577 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 02:33:41,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:33:41,610 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:33:41,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:33:41,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:33:41,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:33:41,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:33:41,641 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 02:33:41,641 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:33:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 02:33:41,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536491069] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:33:41,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:33:41,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-01-10 02:33:41,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696368254] [2025-01-10 02:33:41,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:33:41,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:33:41,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:33:41,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:33:41,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:33:41,716 INFO L87 Difference]: Start difference. First operand 146 states and 163 transitions. Second operand has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 5 states have return successors, (5), 5 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:33:41,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:33:41,751 INFO L93 Difference]: Finished difference Result 276 states and 322 transitions. [2025-01-10 02:33:41,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:33:41,752 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 5 states have return successors, (5), 5 states have call predecessors, (5), 1 states have call successors, (5) Word has length 40 [2025-01-10 02:33:41,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:33:41,753 INFO L225 Difference]: With dead ends: 276 [2025-01-10 02:33:41,753 INFO L226 Difference]: Without dead ends: 275 [2025-01-10 02:33:41,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:33:41,755 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:33:41,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:33:41,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2025-01-10 02:33:41,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2025-01-10 02:33:41,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 221 states have (on average 1.0769230769230769) internal successors, (238), 218 states have internal predecessors, (238), 12 states have call successors, (12), 11 states have call predecessors, (12), 40 states have return successors, (45), 45 states have call predecessors, (45), 11 states have call successors, (45) [2025-01-10 02:33:41,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 295 transitions. [2025-01-10 02:33:41,786 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 295 transitions. Word has length 40 [2025-01-10 02:33:41,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:33:41,787 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 295 transitions. [2025-01-10 02:33:41,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 5 states have return successors, (5), 5 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:33:41,788 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 295 transitions. [2025-01-10 02:33:41,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-01-10 02:33:41,789 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:33:41,789 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1] [2025-01-10 02:33:41,794 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 02:33:41,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:33:41,989 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 02:33:41,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:33:41,990 INFO L85 PathProgramCache]: Analyzing trace with hash -91829804, now seen corresponding path program 3 times [2025-01-10 02:33:41,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:33:41,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837702653] [2025-01-10 02:33:41,990 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:33:41,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:33:41,994 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 56 statements into 11 equivalence classes. [2025-01-10 02:33:42,001 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 56 of 56 statements. [2025-01-10 02:33:42,001 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 02:33:42,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:33:42,317 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:33:42,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:33:42,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837702653] [2025-01-10 02:33:42,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837702653] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:33:42,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614438686] [2025-01-10 02:33:42,319 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:33:42,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:33:42,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:33:42,321 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 02:33:42,322 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 02:33:42,343 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 56 statements into 11 equivalence classes. [2025-01-10 02:33:42,359 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 56 of 56 statements. [2025-01-10 02:33:42,359 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 02:33:42,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:33:42,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-10 02:33:42,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:33:42,446 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:33:42,446 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:33:42,943 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:33:42,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614438686] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:33:42,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:33:42,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2025-01-10 02:33:42,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406320706] [2025-01-10 02:33:42,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:33:42,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-01-10 02:33:42,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:33:42,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-01-10 02:33:42,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2025-01-10 02:33:42,945 INFO L87 Difference]: Start difference. First operand 275 states and 295 transitions. Second operand has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:33:43,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:33:43,078 INFO L93 Difference]: Finished difference Result 280 states and 295 transitions. [2025-01-10 02:33:43,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 02:33:43,078 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2025-01-10 02:33:43,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:33:43,081 INFO L225 Difference]: With dead ends: 280 [2025-01-10 02:33:43,081 INFO L226 Difference]: Without dead ends: 279 [2025-01-10 02:33:43,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 623 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=860, Invalid=2110, Unknown=0, NotChecked=0, Total=2970 [2025-01-10 02:33:43,083 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 156 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:33:43,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 115 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:33:43,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2025-01-10 02:33:43,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 274. [2025-01-10 02:33:43,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 221 states have (on average 1.0723981900452488) internal successors, (237), 217 states have internal predecessors, (237), 12 states have call successors, (12), 11 states have call predecessors, (12), 40 states have return successors, (45), 45 states have call predecessors, (45), 11 states have call successors, (45) [2025-01-10 02:33:43,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 294 transitions. [2025-01-10 02:33:43,104 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 294 transitions. Word has length 56 [2025-01-10 02:33:43,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:33:43,105 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 294 transitions. [2025-01-10 02:33:43,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:33:43,105 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 294 transitions. [2025-01-10 02:33:43,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-01-10 02:33:43,107 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:33:43,107 INFO L218 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1] [2025-01-10 02:33:43,115 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 02:33:43,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-01-10 02:33:43,308 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 02:33:43,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:33:43,309 INFO L85 PathProgramCache]: Analyzing trace with hash -692645514, now seen corresponding path program 2 times [2025-01-10 02:33:43,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:33:43,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097592889] [2025-01-10 02:33:43,309 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:33:43,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:33:43,313 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-01-10 02:33:43,319 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 02:33:43,321 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:33:43,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:33:43,452 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 02:33:43,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:33:43,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097592889] [2025-01-10 02:33:43,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097592889] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:33:43,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418604738] [2025-01-10 02:33:43,453 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:33:43,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:33:43,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:33:43,455 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 02:33:43,456 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 02:33:43,479 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-01-10 02:33:43,493 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 02:33:43,493 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:33:43,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:33:43,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:33:43,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:33:43,532 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 02:33:43,533 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:33:43,991 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 02:33:43,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418604738] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:33:43,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:33:43,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2025-01-10 02:33:43,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211183761] [2025-01-10 02:33:43,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:33:43,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-10 02:33:43,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:33:43,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-10 02:33:43,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2025-01-10 02:33:43,994 INFO L87 Difference]: Start difference. First operand 274 states and 294 transitions. Second operand has 24 states, 23 states have (on average 2.3043478260869565) internal successors, (53), 24 states have internal predecessors, (53), 1 states have call successors, (2), 1 states have call predecessors, (2), 11 states have return successors, (11), 11 states have call predecessors, (11), 1 states have call successors, (11) [2025-01-10 02:33:44,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:33:44,061 INFO L93 Difference]: Finished difference Result 593 states and 678 transitions. [2025-01-10 02:33:44,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-10 02:33:44,061 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.3043478260869565) internal successors, (53), 24 states have internal predecessors, (53), 1 states have call successors, (2), 1 states have call predecessors, (2), 11 states have return successors, (11), 11 states have call predecessors, (11), 1 states have call successors, (11) Word has length 55 [2025-01-10 02:33:44,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:33:44,064 INFO L225 Difference]: With dead ends: 593 [2025-01-10 02:33:44,064 INFO L226 Difference]: Without dead ends: 369 [2025-01-10 02:33:44,065 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2025-01-10 02:33:44,066 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:33:44,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:33:44,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-01-10 02:33:44,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2025-01-10 02:33:44,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 300 states have (on average 1.0366666666666666) internal successors, (311), 291 states have internal predecessors, (311), 12 states have call successors, (12), 11 states have call predecessors, (12), 56 states have return successors, (66), 66 states have call predecessors, (66), 11 states have call successors, (66) [2025-01-10 02:33:44,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 389 transitions. [2025-01-10 02:33:44,081 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 389 transitions. Word has length 55 [2025-01-10 02:33:44,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:33:44,081 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 389 transitions. [2025-01-10 02:33:44,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.3043478260869565) internal successors, (53), 24 states have internal predecessors, (53), 1 states have call successors, (2), 1 states have call predecessors, (2), 11 states have return successors, (11), 11 states have call predecessors, (11), 1 states have call successors, (11) [2025-01-10 02:33:44,081 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 389 transitions. [2025-01-10 02:33:44,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-01-10 02:33:44,084 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:33:44,084 INFO L218 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 1, 1, 1, 1, 1] [2025-01-10 02:33:44,092 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 02:33:44,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:33:44,285 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 02:33:44,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:33:44,286 INFO L85 PathProgramCache]: Analyzing trace with hash 955887606, now seen corresponding path program 3 times [2025-01-10 02:33:44,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:33:44,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440010514] [2025-01-10 02:33:44,286 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:33:44,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:33:44,290 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 115 statements into 12 equivalence classes. [2025-01-10 02:33:44,305 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 110 of 115 statements. [2025-01-10 02:33:44,305 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 02:33:44,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:33:44,643 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2025-01-10 02:33:44,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:33:44,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440010514] [2025-01-10 02:33:44,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440010514] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:33:44,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647777739] [2025-01-10 02:33:44,643 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:33:44,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:33:44,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:33:44,645 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 02:33:44,647 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 02:33:44,677 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 115 statements into 12 equivalence classes. [2025-01-10 02:33:44,703 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 110 of 115 statements. [2025-01-10 02:33:44,703 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 02:33:44,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:33:44,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 02:33:44,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:33:44,799 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2025-01-10 02:33:44,799 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:33:48,379 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2025-01-10 02:33:48,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647777739] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:33:48,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:33:48,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2025-01-10 02:33:48,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611971851] [2025-01-10 02:33:48,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:33:48,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-01-10 02:33:48,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:33:48,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-01-10 02:33:48,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2025-01-10 02:33:48,382 INFO L87 Difference]: Start difference. First operand 369 states and 389 transitions. Second operand has 48 states, 47 states have (on average 2.148936170212766) internal successors, (101), 48 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 23 states have return successors, (23), 23 states have call predecessors, (23), 1 states have call successors, (23) [2025-01-10 02:33:48,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:33:48,516 INFO L93 Difference]: Finished difference Result 1006 states and 1157 transitions. [2025-01-10 02:33:48,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-10 02:33:48,517 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 2.148936170212766) internal successors, (101), 48 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 23 states have return successors, (23), 23 states have call predecessors, (23), 1 states have call successors, (23) Word has length 115 [2025-01-10 02:33:48,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:33:48,519 INFO L225 Difference]: With dead ends: 1006 [2025-01-10 02:33:48,519 INFO L226 Difference]: Without dead ends: 429 [2025-01-10 02:33:48,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2025-01-10 02:33:48,522 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:33:48,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:33:48,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2025-01-10 02:33:48,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2025-01-10 02:33:48,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 348 states have (on average 1.0316091954022988) internal successors, (359), 339 states have internal predecessors, (359), 12 states have call successors, (12), 11 states have call predecessors, (12), 68 states have return successors, (78), 78 states have call predecessors, (78), 11 states have call successors, (78) [2025-01-10 02:33:48,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 449 transitions. [2025-01-10 02:33:48,543 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 449 transitions. Word has length 115 [2025-01-10 02:33:48,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:33:48,544 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 449 transitions. [2025-01-10 02:33:48,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 2.148936170212766) internal successors, (101), 48 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 23 states have return successors, (23), 23 states have call predecessors, (23), 1 states have call successors, (23) [2025-01-10 02:33:48,544 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 449 transitions. [2025-01-10 02:33:48,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2025-01-10 02:33:48,546 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:33:48,546 INFO L218 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 23, 23, 23, 23, 22, 1, 1, 1, 1, 1] [2025-01-10 02:33:48,552 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 02:33:48,746 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,SelfDestructingSolverStorable9 [2025-01-10 02:33:48,747 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 02:33:48,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:33:48,747 INFO L85 PathProgramCache]: Analyzing trace with hash -920478474, now seen corresponding path program 4 times [2025-01-10 02:33:48,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:33:48,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075531126] [2025-01-10 02:33:48,747 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:33:48,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:33:48,754 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 235 statements into 2 equivalence classes. [2025-01-10 02:33:48,763 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 119 of 235 statements. [2025-01-10 02:33:48,764 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-10 02:33:48,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:33:49,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 1265 proven. 112 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2025-01-10 02:33:49,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:33:49,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075531126] [2025-01-10 02:33:49,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075531126] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:33:49,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492555635] [2025-01-10 02:33:49,318 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:33:49,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:33:49,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:33:49,320 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 02:33:49,322 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 02:33:49,399 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 235 statements into 2 equivalence classes. [2025-01-10 02:33:49,417 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 119 of 235 statements. [2025-01-10 02:33:49,418 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-10 02:33:49,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:33:49,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-01-10 02:33:49,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:33:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 1265 proven. 112 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2025-01-10 02:33:49,635 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:34:29,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 1265 proven. 1058 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2025-01-10 02:34:29,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492555635] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:34:29,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:34:29,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 51] total 55 [2025-01-10 02:34:29,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417096181] [2025-01-10 02:34:29,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:34:29,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2025-01-10 02:34:29,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:34:29,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2025-01-10 02:34:29,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=679, Invalid=2291, Unknown=0, NotChecked=0, Total=2970 [2025-01-10 02:34:29,510 INFO L87 Difference]: Start difference. First operand 429 states and 449 transitions. Second operand has 55 states, 53 states have (on average 3.7358490566037736) internal successors, (198), 53 states have internal predecessors, (198), 27 states have call successors, (27), 3 states have call predecessors, (27), 23 states have return successors, (46), 23 states have call predecessors, (46), 25 states have call successors, (46) [2025-01-10 02:34:29,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:34:29,633 INFO L93 Difference]: Finished difference Result 429 states and 449 transitions. [2025-01-10 02:34:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 02:34:29,634 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 53 states have (on average 3.7358490566037736) internal successors, (198), 53 states have internal predecessors, (198), 27 states have call successors, (27), 3 states have call predecessors, (27), 23 states have return successors, (46), 23 states have call predecessors, (46), 25 states have call successors, (46) Word has length 235 [2025-01-10 02:34:29,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:34:29,635 INFO L225 Difference]: With dead ends: 429 [2025-01-10 02:34:29,635 INFO L226 Difference]: Without dead ends: 0 [2025-01-10 02:34:29,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 443 SyntacticMatches, 23 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1645 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=905, Invalid=2877, Unknown=0, NotChecked=0, Total=3782 [2025-01-10 02:34:29,637 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 38 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:34:29,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 222 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:34:29,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-10 02:34:29,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-10 02:34:29,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:29,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-10 02:34:29,639 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 235 [2025-01-10 02:34:29,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:34:29,639 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 02:34:29,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 53 states have (on average 3.7358490566037736) internal successors, (198), 53 states have internal predecessors, (198), 27 states have call successors, (27), 3 states have call predecessors, (27), 23 states have return successors, (46), 23 states have call predecessors, (46), 25 states have call successors, (46) [2025-01-10 02:34:29,639 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-10 02:34:29,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-10 02:34:29,641 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2025-01-10 02:34:29,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2025-01-10 02:34:29,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2025-01-10 02:34:29,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2025-01-10 02:34:29,652 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 02:34:29,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:34:29,849 INFO L422 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1, 1, 1] [2025-01-10 02:34:29,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-10 02:34:30,510 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 02:34:30,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:34:30 BoogieIcfgContainer [2025-01-10 02:34:30,515 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 02:34:30,515 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 02:34:30,515 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 02:34:30,515 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 02:34:30,517 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:33:39" (3/4) ... [2025-01-10 02:34:30,518 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-10 02:34:30,522 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2025-01-10 02:34:30,524 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-01-10 02:34:30,524 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-01-10 02:34:30,525 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-10 02:34:30,525 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-10 02:34:30,569 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 02:34:30,569 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 02:34:30,569 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 02:34:30,571 INFO L158 Benchmark]: Toolchain (without parser) took 51444.65ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 113.4MB in the beginning and 173.7MB in the end (delta: -60.3MB). Peak memory consumption was 173.5MB. Max. memory is 16.1GB. [2025-01-10 02:34:30,571 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory was 124.7MB in the beginning and 124.4MB in the end (delta: 293.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 02:34:30,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 140.37ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 103.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 02:34:30,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.76ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 102.1MB in the end (delta: 898.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 02:34:30,572 INFO L158 Benchmark]: Boogie Preprocessor took 26.97ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 100.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 02:34:30,572 INFO L158 Benchmark]: RCFGBuilder took 162.78ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 90.9MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 02:34:30,572 INFO L158 Benchmark]: TraceAbstraction took 51036.40ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 90.4MB in the beginning and 181.6MB in the end (delta: -91.2MB). Peak memory consumption was 207.0MB. Max. memory is 16.1GB. [2025-01-10 02:34:30,573 INFO L158 Benchmark]: Witness Printer took 53.69ms. Allocated memory is still 377.5MB. Free memory was 181.6MB in the beginning and 173.7MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 02:34:30,575 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory was 124.7MB in the beginning and 124.4MB in the end (delta: 293.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 140.37ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 103.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.76ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 102.1MB in the end (delta: 898.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.97ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 100.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 162.78ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 90.9MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 51036.40ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 90.4MB in the beginning and 181.6MB in the end (delta: -91.2MB). Peak memory consumption was 207.0MB. Max. memory is 16.1GB. * Witness Printer took 53.69ms. Allocated memory is still 377.5MB. Free memory was 181.6MB in the beginning and 173.7MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 50.3s, OverallIterations: 11, TraceHistogramMax: 24, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 586 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 583 mSDsluCounter, 1126 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 939 mSDsCounter, 87 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 724 IncrementalHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 87 mSolverCounterUnsat, 187 mSDtfsCounter, 724 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1237 GetRequests, 966 SyntacticMatches, 23 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3348 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=429occurred in iteration=10, InterpolantAutomatonStates: 158, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 34 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 47.1s InterpolantComputationTime, 1132 NumberOfCodeBlocks, 890 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 1645 ConstructedInterpolants, 0 QuantifiedInterpolants, 4603 SizeOfPredicates, 41 NumberOfNonLiveVariables, 907 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 25 InterpolantComputations, 4 PerfectInterpolantSequences, 7719/10891 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-10 02:34:30,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE