./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-tiling/mlceu.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-tiling/mlceu.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 0d3cc2e7af8cdfad5003daafcde8bd8bcf193cd0b5d066a7a9bad715ddc9d422 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:49:45,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:49:45,301 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 08:49:45,305 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:49:45,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:49:45,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:49:45,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:49:45,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:49:45,319 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:49:45,319 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:49:45,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:49:45,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:49:45,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:49:45,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:49:45,319 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:49:45,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:49:45,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 08:49:45,320 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:49:45,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:49:45,320 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:49:45,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:49:45,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 08:49:45,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:49:45,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 08:49:45,320 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 08:49:45,320 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:49:45,320 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:49:45,320 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 08:49:45,320 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:49:45,320 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:49:45,320 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:49:45,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:49:45,320 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:49:45,320 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:49:45,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:49:45,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:49:45,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:49:45,321 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 08:49:45,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 08:49:45,321 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:49:45,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:49:45,321 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:49:45,321 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:49:45,321 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:49:45,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:49:45,321 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 -> 0d3cc2e7af8cdfad5003daafcde8bd8bcf193cd0b5d066a7a9bad715ddc9d422 [2025-02-08 08:49:45,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:49:45,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:49:45,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:49:45,537 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:49:45,537 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:49:45,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/mlceu.c [2025-02-08 08:49:46,734 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5122c3625/b22f9c1994684155bbb099b9c1004480/FLAGa6a3a2736 [2025-02-08 08:49:46,943 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:49:46,943 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-tiling/mlceu.c [2025-02-08 08:49:46,950 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5122c3625/b22f9c1994684155bbb099b9c1004480/FLAGa6a3a2736 [2025-02-08 08:49:46,965 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5122c3625/b22f9c1994684155bbb099b9c1004480 [2025-02-08 08:49:46,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:49:46,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:49:46,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:49:46,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:49:46,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:49:47,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:49:46" (1/1) ... [2025-02-08 08:49:47,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c16e925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:49:47, skipping insertion in model container [2025-02-08 08:49:47,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:49:46" (1/1) ... [2025-02-08 08:49:47,032 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:49:47,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:49:47,147 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:49:47,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:49:47,169 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:49:47,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:49:47 WrapperNode [2025-02-08 08:49:47,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:49:47,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:49:47,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:49:47,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:49:47,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:49:47" (1/1) ... [2025-02-08 08:49:47,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:49:47" (1/1) ... [2025-02-08 08:49:47,188 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2025-02-08 08:49:47,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:49:47,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:49:47,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:49:47,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:49:47,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:49:47" (1/1) ... [2025-02-08 08:49:47,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:49:47" (1/1) ... [2025-02-08 08:49:47,199 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:49:47" (1/1) ... [2025-02-08 08:49:47,209 INFO L175 MemorySlicer]: Split 13 memory accesses to 3 slices as follows [2, 8, 3]. 62 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8, 0]. The 2 writes are split as follows [0, 0, 2]. [2025-02-08 08:49:47,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:49:47" (1/1) ... [2025-02-08 08:49:47,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:49:47" (1/1) ... [2025-02-08 08:49:47,216 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:49:47" (1/1) ... [2025-02-08 08:49:47,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:49:47" (1/1) ... [2025-02-08 08:49:47,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:49:47" (1/1) ... [2025-02-08 08:49:47,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:49:47" (1/1) ... [2025-02-08 08:49:47,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:49:47,221 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:49:47,221 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:49:47,222 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:49:47,222 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:49:47" (1/1) ... [2025-02-08 08:49:47,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:49:47,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:49:47,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 08:49:47,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 08:49:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:49:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 08:49:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 08:49:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 08:49:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 08:49:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 08:49:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 08:49:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 08:49:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:49:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:49:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 08:49:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 08:49:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 08:49:47,329 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:49:47,331 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:49:47,451 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-02-08 08:49:47,451 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:49:47,459 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:49:47,459 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:49:47,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:49:47 BoogieIcfgContainer [2025-02-08 08:49:47,467 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:49:47,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:49:47,468 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:49:47,476 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:49:47,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:49:46" (1/3) ... [2025-02-08 08:49:47,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a50f2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:49:47, skipping insertion in model container [2025-02-08 08:49:47,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:49:47" (2/3) ... [2025-02-08 08:49:47,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a50f2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:49:47, skipping insertion in model container [2025-02-08 08:49:47,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:49:47" (3/3) ... [2025-02-08 08:49:47,478 INFO L128 eAbstractionObserver]: Analyzing ICFG mlceu.c [2025-02-08 08:49:47,489 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:49:47,493 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mlceu.c that has 1 procedures, 21 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2025-02-08 08:49:47,532 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:49:47,541 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;@3e272596, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:49:47,542 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-08 08:49:47,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:47,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-08 08:49:47,547 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:49:47,548 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:49:47,548 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:49:47,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:49:47,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1829796349, now seen corresponding path program 1 times [2025-02-08 08:49:47,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:49:47,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862001766] [2025-02-08 08:49:47,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:49:47,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:49:47,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 08:49:47,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 08:49:47,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:49:47,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:49:47,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:49:47,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:49:47,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862001766] [2025-02-08 08:49:47,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862001766] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:49:47,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:49:47,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:49:47,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063746336] [2025-02-08 08:49:47,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:49:47,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 08:49:47,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:49:47,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 08:49:47,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 08:49:47,687 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 20 states have internal predecessors, (25), 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) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:47,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:49:47,696 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2025-02-08 08:49:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 08:49:47,697 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-02-08 08:49:47,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:49:47,700 INFO L225 Difference]: With dead ends: 38 [2025-02-08 08:49:47,701 INFO L226 Difference]: Without dead ends: 18 [2025-02-08 08:49:47,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 08:49:47,705 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:49:47,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:49:47,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2025-02-08 08:49:47,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2025-02-08 08:49:47,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:47,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2025-02-08 08:49:47,726 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 8 [2025-02-08 08:49:47,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:49:47,726 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2025-02-08 08:49:47,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:47,727 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2025-02-08 08:49:47,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-08 08:49:47,727 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:49:47,727 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:49:47,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:49:47,727 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:49:47,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:49:47,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1858425500, now seen corresponding path program 1 times [2025-02-08 08:49:47,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:49:47,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730164380] [2025-02-08 08:49:47,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:49:47,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:49:47,737 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 08:49:47,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 08:49:47,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:49:47,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:49:47,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:49:47,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:49:47,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730164380] [2025-02-08 08:49:47,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730164380] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:49:47,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:49:47,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:49:47,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737456947] [2025-02-08 08:49:47,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:49:47,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:49:47,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:49:47,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:49:47,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:49:47,858 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:47,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:49:47,896 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2025-02-08 08:49:47,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:49:47,897 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-02-08 08:49:47,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:49:47,897 INFO L225 Difference]: With dead ends: 40 [2025-02-08 08:49:47,897 INFO L226 Difference]: Without dead ends: 26 [2025-02-08 08:49:47,897 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 [2025-02-08 08:49:47,898 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 3 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:49:47,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 29 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:49:47,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-02-08 08:49:47,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2025-02-08 08:49:47,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.368421052631579) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:47,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2025-02-08 08:49:47,901 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 8 [2025-02-08 08:49:47,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:49:47,902 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2025-02-08 08:49:47,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:47,902 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2025-02-08 08:49:47,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 08:49:47,902 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:49:47,902 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:49:47,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 08:49:47,902 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:49:47,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:49:47,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1768982185, now seen corresponding path program 1 times [2025-02-08 08:49:47,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:49:47,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397059757] [2025-02-08 08:49:47,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:49:47,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:49:47,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 08:49:47,915 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 08:49:47,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:49:47,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:49:47,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:49:47,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:49:47,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397059757] [2025-02-08 08:49:47,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397059757] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:49:47,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:49:47,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 08:49:47,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627487210] [2025-02-08 08:49:47,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:49:47,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:49:47,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:49:47,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:49:47,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:49:47,992 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:48,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:49:48,027 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2025-02-08 08:49:48,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:49:48,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-02-08 08:49:48,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:49:48,029 INFO L225 Difference]: With dead ends: 33 [2025-02-08 08:49:48,029 INFO L226 Difference]: Without dead ends: 26 [2025-02-08 08:49:48,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:49:48,030 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 21 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:49:48,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 21 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:49:48,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-02-08 08:49:48,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2025-02-08 08:49:48,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 22 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:48,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2025-02-08 08:49:48,034 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 9 [2025-02-08 08:49:48,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:49:48,034 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2025-02-08 08:49:48,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:48,035 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2025-02-08 08:49:48,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-08 08:49:48,035 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:49:48,035 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:49:48,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 08:49:48,035 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:49:48,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:49:48,036 INFO L85 PathProgramCache]: Analyzing trace with hash -86902419, now seen corresponding path program 1 times [2025-02-08 08:49:48,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:49:48,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764556584] [2025-02-08 08:49:48,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:49:48,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:49:48,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 08:49:48,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 08:49:48,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:49:48,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:49:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:49:48,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:49:48,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764556584] [2025-02-08 08:49:48,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764556584] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:49:48,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589136287] [2025-02-08 08:49:48,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:49:48,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:49:48,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:49:48,150 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:49:48,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 08:49:48,205 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 08:49:48,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 08:49:48,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:49:48,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:49:48,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 08:49:48,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:49:48,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:49:48,284 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 08:49:48,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589136287] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:49:48,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 08:49:48,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-02-08 08:49:48,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827789852] [2025-02-08 08:49:48,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:49:48,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:49:48,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:49:48,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:49:48,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 08:49:48,288 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:48,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:49:48,345 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2025-02-08 08:49:48,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:49:48,345 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-02-08 08:49:48,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:49:48,346 INFO L225 Difference]: With dead ends: 26 [2025-02-08 08:49:48,346 INFO L226 Difference]: Without dead ends: 25 [2025-02-08 08:49:48,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 08:49:48,347 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 4 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:49:48,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 29 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:49:48,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2025-02-08 08:49:48,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2025-02-08 08:49:48,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:48,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2025-02-08 08:49:48,351 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 13 [2025-02-08 08:49:48,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:49:48,351 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2025-02-08 08:49:48,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:48,351 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2025-02-08 08:49:48,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 08:49:48,351 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:49:48,351 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 08:49:48,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 08:49:48,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:49:48,553 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:49:48,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:49:48,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1600992287, now seen corresponding path program 1 times [2025-02-08 08:49:48,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:49:48,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796877979] [2025-02-08 08:49:48,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:49:48,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:49:48,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 08:49:48,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 08:49:48,581 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:49:48,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:49:48,651 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:49:48,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:49:48,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796877979] [2025-02-08 08:49:48,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796877979] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:49:48,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609301109] [2025-02-08 08:49:48,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:49:48,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:49:48,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:49:48,654 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:49:48,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 08:49:48,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 08:49:48,693 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 08:49:48,693 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:49:48,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:49:48,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 08:49:48,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:49:48,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:49:48,716 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:49:48,757 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:49:48,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609301109] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:49:48,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:49:48,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-02-08 08:49:48,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641672416] [2025-02-08 08:49:48,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:49:48,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 08:49:48,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:49:48,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 08:49:48,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-08 08:49:48,760 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 12 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 12 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:48,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:49:48,829 INFO L93 Difference]: Finished difference Result 53 states and 66 transitions. [2025-02-08 08:49:48,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 08:49:48,830 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 12 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-02-08 08:49:48,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:49:48,831 INFO L225 Difference]: With dead ends: 53 [2025-02-08 08:49:48,831 INFO L226 Difference]: Without dead ends: 40 [2025-02-08 08:49:48,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-08 08:49:48,832 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 6 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:49:48,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 63 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:49:48,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2025-02-08 08:49:48,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2025-02-08 08:49:48,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 36 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:48,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2025-02-08 08:49:48,835 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 14 [2025-02-08 08:49:48,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:49:48,835 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2025-02-08 08:49:48,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 12 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:48,835 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2025-02-08 08:49:48,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 08:49:48,835 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:49:48,835 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:49:48,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 08:49:49,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:49:49,036 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:49:49,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:49:49,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1593358840, now seen corresponding path program 1 times [2025-02-08 08:49:49,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:49:49,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685138086] [2025-02-08 08:49:49,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:49:49,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:49:49,041 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 08:49:49,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 08:49:49,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:49:49,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:49:49,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 08:49:49,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:49:49,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685138086] [2025-02-08 08:49:49,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685138086] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:49:49,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:49:49,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:49:49,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394980925] [2025-02-08 08:49:49,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:49:49,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:49:49,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:49:49,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:49:49,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:49:49,075 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:49,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:49:49,097 INFO L93 Difference]: Finished difference Result 44 states and 51 transitions. [2025-02-08 08:49:49,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:49:49,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-02-08 08:49:49,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:49:49,097 INFO L225 Difference]: With dead ends: 44 [2025-02-08 08:49:49,097 INFO L226 Difference]: Without dead ends: 42 [2025-02-08 08:49:49,098 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 [2025-02-08 08:49:49,098 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 3 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:49:49,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 28 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:49:49,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2025-02-08 08:49:49,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2025-02-08 08:49:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 41 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:49,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2025-02-08 08:49:49,101 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 14 [2025-02-08 08:49:49,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:49:49,101 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2025-02-08 08:49:49,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:49,101 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2025-02-08 08:49:49,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-08 08:49:49,101 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:49:49,101 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:49:49,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 08:49:49,102 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:49:49,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:49:49,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1843282488, now seen corresponding path program 1 times [2025-02-08 08:49:49,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:49:49,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581725967] [2025-02-08 08:49:49,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:49:49,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:49:49,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 08:49:49,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 08:49:49,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:49:49,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:49:49,154 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 08:49:49,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:49:49,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581725967] [2025-02-08 08:49:49,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581725967] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:49:49,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671057875] [2025-02-08 08:49:49,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:49:49,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:49:49,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:49:49,156 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:49:49,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 08:49:49,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 08:49:49,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 08:49:49,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:49:49,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:49:49,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 08:49:49,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:49:49,325 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:49:49,325 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:49:49,393 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:49:49,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671057875] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:49:49,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:49:49,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 15 [2025-02-08 08:49:49,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589866971] [2025-02-08 08:49:49,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:49:49,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 08:49:49,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:49:49,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 08:49:49,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2025-02-08 08:49:49,395 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:49,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:49:49,513 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions. [2025-02-08 08:49:49,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 08:49:49,514 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-02-08 08:49:49,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:49:49,514 INFO L225 Difference]: With dead ends: 58 [2025-02-08 08:49:49,514 INFO L226 Difference]: Without dead ends: 45 [2025-02-08 08:49:49,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2025-02-08 08:49:49,515 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 7 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:49:49,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 51 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:49:49,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2025-02-08 08:49:49,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2025-02-08 08:49:49,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 39 states have (on average 1.205128205128205) internal successors, (47), 40 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:49,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2025-02-08 08:49:49,519 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 19 [2025-02-08 08:49:49,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:49:49,519 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2025-02-08 08:49:49,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2025-02-08 08:49:49,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-08 08:49:49,520 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:49:49,520 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:49:49,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 08:49:49,724 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 [2025-02-08 08:49:49,724 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:49:49,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:49:49,725 INFO L85 PathProgramCache]: Analyzing trace with hash 995225708, now seen corresponding path program 1 times [2025-02-08 08:49:49,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:49:49,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45053367] [2025-02-08 08:49:49,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:49:49,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:49:49,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 08:49:49,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 08:49:49,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:49:49,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:49:49,785 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-08 08:49:49,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:49:49,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45053367] [2025-02-08 08:49:49,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45053367] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:49:49,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252946960] [2025-02-08 08:49:49,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:49:49,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:49:49,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:49:49,789 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:49:49,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 08:49:49,816 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 08:49:49,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 08:49:49,828 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:49:49,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:49:49,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 08:49:49,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:49:49,853 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-08 08:49:49,854 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:49:49,887 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-08 08:49:49,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252946960] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:49:49,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:49:49,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-02-08 08:49:49,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659266969] [2025-02-08 08:49:49,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:49:49,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 08:49:49,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:49:49,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 08:49:49,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-08 08:49:49,888 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:49,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:49:49,928 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions. [2025-02-08 08:49:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 08:49:49,928 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2025-02-08 08:49:49,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:49:49,929 INFO L225 Difference]: With dead ends: 58 [2025-02-08 08:49:49,929 INFO L226 Difference]: Without dead ends: 57 [2025-02-08 08:49:49,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-08 08:49:49,929 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:49:49,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 43 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:49:49,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2025-02-08 08:49:49,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2025-02-08 08:49:49,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 54 states have (on average 1.1481481481481481) internal successors, (62), 55 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:49,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions. [2025-02-08 08:49:49,934 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 25 [2025-02-08 08:49:49,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:49:49,934 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions. [2025-02-08 08:49:49,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:49,934 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2025-02-08 08:49:49,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 08:49:49,934 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:49:49,935 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1] [2025-02-08 08:49:49,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 08:49:50,135 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 [2025-02-08 08:49:50,136 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:49:50,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:49:50,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1157801936, now seen corresponding path program 1 times [2025-02-08 08:49:50,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:49:50,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838437854] [2025-02-08 08:49:50,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:49:50,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:49:50,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 08:49:50,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 08:49:50,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:49:50,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:49:50,219 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 26 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-08 08:49:50,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:49:50,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838437854] [2025-02-08 08:49:50,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838437854] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:49:50,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534652864] [2025-02-08 08:49:50,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:49:50,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:49:50,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:49:50,221 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:49:50,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 08:49:50,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 08:49:50,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 08:49:50,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:49:50,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:49:50,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 08:49:50,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:49:50,342 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:49:50,342 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:49:50,475 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:49:50,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534652864] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:49:50,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:49:50,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 24 [2025-02-08 08:49:50,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381462992] [2025-02-08 08:49:50,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:49:50,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-08 08:49:50,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:49:50,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-08 08:49:50,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2025-02-08 08:49:50,477 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand has 24 states, 24 states have (on average 2.8333333333333335) internal successors, (68), 24 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:50,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:49:50,590 INFO L93 Difference]: Finished difference Result 134 states and 162 transitions. [2025-02-08 08:49:50,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-08 08:49:50,590 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.8333333333333335) internal successors, (68), 24 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2025-02-08 08:49:50,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:49:50,591 INFO L225 Difference]: With dead ends: 134 [2025-02-08 08:49:50,591 INFO L226 Difference]: Without dead ends: 94 [2025-02-08 08:49:50,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2025-02-08 08:49:50,592 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 19 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:49:50,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 35 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:49:50,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2025-02-08 08:49:50,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 86. [2025-02-08 08:49:50,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 84 states have (on average 1.2023809523809523) internal successors, (101), 85 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:50,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 101 transitions. [2025-02-08 08:49:50,601 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 101 transitions. Word has length 29 [2025-02-08 08:49:50,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:49:50,601 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 101 transitions. [2025-02-08 08:49:50,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.8333333333333335) internal successors, (68), 24 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:50,602 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2025-02-08 08:49:50,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 08:49:50,602 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:49:50,602 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 08:49:50,616 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 [2025-02-08 08:49:50,805 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 [2025-02-08 08:49:50,806 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:49:50,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:49:50,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1231576954, now seen corresponding path program 2 times [2025-02-08 08:49:50,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:49:50,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287828000] [2025-02-08 08:49:50,811 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:49:50,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:49:50,819 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 40 statements into 2 equivalence classes. [2025-02-08 08:49:50,825 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 10 of 40 statements. [2025-02-08 08:49:50,826 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:49:50,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:49:50,851 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-02-08 08:49:50,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:49:50,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287828000] [2025-02-08 08:49:50,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287828000] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:49:50,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566205632] [2025-02-08 08:49:50,852 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:49:50,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:49:50,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:49:50,858 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:49:50,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 08:49:50,898 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 40 statements into 2 equivalence classes. [2025-02-08 08:49:50,906 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 10 of 40 statements. [2025-02-08 08:49:50,906 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:49:50,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:49:50,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 08:49:50,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:49:50,964 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-02-08 08:49:50,964 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:49:51,006 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-02-08 08:49:51,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566205632] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:49:51,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:49:51,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2025-02-08 08:49:51,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181945786] [2025-02-08 08:49:51,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:49:51,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:49:51,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:49:51,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:49:51,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:49:51,007 INFO L87 Difference]: Start difference. First operand 86 states and 101 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:51,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:49:51,034 INFO L93 Difference]: Finished difference Result 86 states and 101 transitions. [2025-02-08 08:49:51,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 08:49:51,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2025-02-08 08:49:51,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:49:51,035 INFO L225 Difference]: With dead ends: 86 [2025-02-08 08:49:51,035 INFO L226 Difference]: Without dead ends: 60 [2025-02-08 08:49:51,035 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-08 08:49:51,035 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 5 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:49:51,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 14 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:49:51,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2025-02-08 08:49:51,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2025-02-08 08:49:51,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.11864406779661) internal successors, (66), 59 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:51,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 66 transitions. [2025-02-08 08:49:51,039 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 66 transitions. Word has length 40 [2025-02-08 08:49:51,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:49:51,039 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 66 transitions. [2025-02-08 08:49:51,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:51,039 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions. [2025-02-08 08:49:51,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-08 08:49:51,040 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:49:51,040 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 6, 5, 1, 1, 1, 1, 1] [2025-02-08 08:49:51,046 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 08:49:51,245 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 [2025-02-08 08:49:51,245 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:49:51,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:49:51,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1321325073, now seen corresponding path program 2 times [2025-02-08 08:49:51,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:49:51,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061187005] [2025-02-08 08:49:51,246 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:49:51,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:49:51,257 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 59 statements into 2 equivalence classes. [2025-02-08 08:49:51,262 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 9 of 59 statements. [2025-02-08 08:49:51,262 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:49:51,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:49:51,289 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2025-02-08 08:49:51,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:49:51,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061187005] [2025-02-08 08:49:51,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061187005] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:49:51,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150478144] [2025-02-08 08:49:51,290 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:49:51,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:49:51,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:49:51,292 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:49:51,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 08:49:51,329 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 59 statements into 2 equivalence classes. [2025-02-08 08:49:51,335 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 9 of 59 statements. [2025-02-08 08:49:51,336 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:49:51,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:49:51,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 08:49:51,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:49:51,386 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2025-02-08 08:49:51,386 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:49:51,460 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2025-02-08 08:49:51,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150478144] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:49:51,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:49:51,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2025-02-08 08:49:51,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687201405] [2025-02-08 08:49:51,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:49:51,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:49:51,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:49:51,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:49:51,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:49:51,461 INFO L87 Difference]: Start difference. First operand 60 states and 66 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:51,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:49:51,481 INFO L93 Difference]: Finished difference Result 60 states and 66 transitions. [2025-02-08 08:49:51,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 08:49:51,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2025-02-08 08:49:51,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:49:51,482 INFO L225 Difference]: With dead ends: 60 [2025-02-08 08:49:51,482 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 08:49:51,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-08 08:49:51,483 INFO L435 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:49:51,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:49:51,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 08:49:51,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 08:49:51,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 08:49:51,484 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2025-02-08 08:49:51,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:49:51,484 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 08:49:51,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:49:51,484 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 08:49:51,484 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 08:49:51,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2025-02-08 08:49:51,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2025-02-08 08:49:51,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2025-02-08 08:49:51,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2025-02-08 08:49:51,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-08 08:49:51,691 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 [2025-02-08 08:49:51,693 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:49:51,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 08:49:51,794 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 08:49:51,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 08:49:51 BoogieIcfgContainer [2025-02-08 08:49:51,803 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 08:49:51,804 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 08:49:51,804 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 08:49:51,804 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 08:49:51,804 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:49:47" (3/4) ... [2025-02-08 08:49:51,806 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 08:49:51,812 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-02-08 08:49:51,812 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-02-08 08:49:51,812 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 08:49:51,812 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 08:49:51,812 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 08:49:51,866 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 08:49:51,867 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 08:49:51,867 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 08:49:51,867 INFO L158 Benchmark]: Toolchain (without parser) took 4899.46ms. Allocated memory was 604.0MB in the beginning and 302.0MB in the end (delta: -302.0MB). Free memory was 568.6MB in the beginning and 237.4MB in the end (delta: 331.2MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2025-02-08 08:49:51,868 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:49:51,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.59ms. Allocated memory was 604.0MB in the beginning and 142.6MB in the end (delta: -461.4MB). Free memory was 567.8MB in the beginning and 95.5MB in the end (delta: 472.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:49:51,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.31ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 94.5MB in the end (delta: 985.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:49:51,868 INFO L158 Benchmark]: Boogie Preprocessor took 31.19ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 93.5MB in the end (delta: 948.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:49:51,868 INFO L158 Benchmark]: IcfgBuilder took 245.33ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 81.4MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 08:49:51,869 INFO L158 Benchmark]: TraceAbstraction took 4335.20ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 80.5MB in the beginning and 242.7MB in the end (delta: -162.2MB). Peak memory consumption was 195.2kB. Max. memory is 16.1GB. [2025-02-08 08:49:51,869 INFO L158 Benchmark]: Witness Printer took 63.27ms. Allocated memory is still 302.0MB. Free memory was 242.7MB in the beginning and 237.4MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:49:51,870 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.59ms. Allocated memory was 604.0MB in the beginning and 142.6MB in the end (delta: -461.4MB). Free memory was 567.8MB in the beginning and 95.5MB in the end (delta: 472.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.31ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 94.5MB in the end (delta: 985.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.19ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 93.5MB in the end (delta: 948.8kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 245.33ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 81.4MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4335.20ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 80.5MB in the beginning and 242.7MB in the end (delta: -162.2MB). Peak memory consumption was 195.2kB. Max. memory is 16.1GB. * Witness Printer took 63.27ms. Allocated memory is still 302.0MB. Free memory was 242.7MB in the beginning and 237.4MB in the end (delta: 5.3MB). There was no memory consumed. 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: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: 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 1 procedures, 21 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 11, TraceHistogramMax: 11, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 340 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 225 mSDsCounter, 96 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 560 IncrementalHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 96 mSolverCounterUnsat, 115 mSDtfsCounter, 560 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 427 GetRequests, 339 SyntacticMatches, 7 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=9, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 25 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 437 NumberOfCodeBlocks, 277 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 1597 SizeOfPredicates, 7 NumberOfNonLiveVariables, 632 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 24 InterpolantComputations, 5 PerfectInterpolantSequences, 892/1221 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 23]: Location Invariant Derived location invariant: ((((i == 0) && (1 <= SIZE)) && (SIZE <= 2147483647)) || (((1 <= i) && (1 <= SIZE)) && (SIZE <= 2147483647))) - InvariantResult [Line: 36]: Location Invariant Derived location invariant: ((((i == 0) && (1 <= SIZE)) && (SIZE <= 2147483647)) || (((1 <= i) && (1 <= SIZE)) && (SIZE <= 2147483647))) RESULT: Ultimate proved your program to be correct! [2025-02-08 08:49:51,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE