./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-crafted/bAnd5.i --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-crafted/bAnd5.i -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 d475be4701a825f0568ebf884900dce77e1216a215283bc51d05a41cc9a8ddb5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:50:46,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:50:46,879 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 08:50:46,883 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:50:46,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:50:46,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:50:46,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:50:46,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:50:46,908 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:50:46,908 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:50:46,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:50:46,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:50:46,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:50:46,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:50:46,909 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:50:46,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:50:46,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 08:50:46,909 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:50:46,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:50:46,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:50:46,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:50:46,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 08:50:46,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:50:46,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 08:50:46,910 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 08:50:46,910 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:50:46,910 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:50:46,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 08:50:46,910 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:50:46,910 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:50:46,910 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:50:46,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:50:46,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:50:46,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:50:46,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:50:46,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:50:46,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:50:46,911 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 08:50:46,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 08:50:46,912 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:50:46,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:50:46,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:50:46,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:50:46,912 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:50:46,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:50:46,912 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 -> d475be4701a825f0568ebf884900dce77e1216a215283bc51d05a41cc9a8ddb5 [2025-02-08 08:50:47,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:50:47,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:50:47,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:50:47,135 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:50:47,135 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:50:47,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/bAnd5.i [2025-02-08 08:50:48,233 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08ebe87fc/d0ab22bb6cb643e8b72586eafbdb2887/FLAG5226498a4 [2025-02-08 08:50:48,461 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:50:48,463 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-crafted/bAnd5.i [2025-02-08 08:50:48,470 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08ebe87fc/d0ab22bb6cb643e8b72586eafbdb2887/FLAG5226498a4 [2025-02-08 08:50:48,485 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08ebe87fc/d0ab22bb6cb643e8b72586eafbdb2887 [2025-02-08 08:50:48,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:50:48,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:50:48,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:50:48,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:50:48,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:50:48,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:50:48" (1/1) ... [2025-02-08 08:50:48,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58909865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:50:48, skipping insertion in model container [2025-02-08 08:50:48,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:50:48" (1/1) ... [2025-02-08 08:50:48,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:50:48,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:50:48,652 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:50:48,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:50:48,686 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:50:48,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:50:48 WrapperNode [2025-02-08 08:50:48,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:50:48,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:50:48,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:50:48,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:50:48,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:50:48" (1/1) ... [2025-02-08 08:50:48,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:50:48" (1/1) ... [2025-02-08 08:50:48,718 INFO L138 Inliner]: procedures = 16, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2025-02-08 08:50:48,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:50:48,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:50:48,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:50:48,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:50:48,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:50:48" (1/1) ... [2025-02-08 08:50:48,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:50:48" (1/1) ... [2025-02-08 08:50:48,728 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:50:48" (1/1) ... [2025-02-08 08:50:48,739 INFO L175 MemorySlicer]: Split 21 memory accesses to 3 slices as follows [2, 8, 11]. 52 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8, 0]. The 5 writes are split as follows [0, 0, 5]. [2025-02-08 08:50:48,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:50:48" (1/1) ... [2025-02-08 08:50:48,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:50:48" (1/1) ... [2025-02-08 08:50:48,747 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:50:48" (1/1) ... [2025-02-08 08:50:48,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:50:48" (1/1) ... [2025-02-08 08:50:48,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:50:48" (1/1) ... [2025-02-08 08:50:48,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:50:48" (1/1) ... [2025-02-08 08:50:48,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:50:48,751 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:50:48,751 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:50:48,751 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:50:48,752 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:50:48" (1/1) ... [2025-02-08 08:50:48,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:50:48,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:50:48,777 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 08:50:48,779 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 08:50:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:50:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 08:50:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 08:50:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 08:50:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 08:50:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 08:50:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 08:50:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 08:50:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure bAnd [2025-02-08 08:50:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure bAnd [2025-02-08 08:50:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:50:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:50:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 08:50:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 08:50:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 08:50:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 08:50:48,856 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:50:48,857 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:50:49,018 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2025-02-08 08:50:49,018 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:50:49,038 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:50:49,039 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:50:49,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:50:49 BoogieIcfgContainer [2025-02-08 08:50:49,039 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:50:49,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:50:49,041 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:50:49,045 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:50:49,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:50:48" (1/3) ... [2025-02-08 08:50:49,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b44b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:50:49, skipping insertion in model container [2025-02-08 08:50:49,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:50:48" (2/3) ... [2025-02-08 08:50:49,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b44b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:50:49, skipping insertion in model container [2025-02-08 08:50:49,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:50:49" (3/3) ... [2025-02-08 08:50:49,047 INFO L128 eAbstractionObserver]: Analyzing ICFG bAnd5.i [2025-02-08 08:50:49,059 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:50:49,060 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bAnd5.i that has 2 procedures, 51 locations, 1 initial locations, 3 loop locations, and 12 error locations. [2025-02-08 08:50:49,104 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:50:49,112 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;@6f1ea75a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:50:49,113 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2025-02-08 08:50:49,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 34 states have (on average 1.6176470588235294) internal successors, (55), 46 states have internal predecessors, (55), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 08:50:49,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-08 08:50:49,119 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:49,120 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-08 08:50:49,120 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:49,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:49,125 INFO L85 PathProgramCache]: Analyzing trace with hash 2676190, now seen corresponding path program 1 times [2025-02-08 08:50:49,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:49,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292421614] [2025-02-08 08:50:49,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:49,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:49,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 08:50:49,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 08:50:49,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:49,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:49,305 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 08:50:49,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:49,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292421614] [2025-02-08 08:50:49,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292421614] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:50:49,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:50:49,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:50:49,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045692266] [2025-02-08 08:50:49,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:50:49,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:50:49,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:49,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:50:49,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:50:49,325 INFO L87 Difference]: Start difference. First operand has 51 states, 34 states have (on average 1.6176470588235294) internal successors, (55), 46 states have internal predecessors, (55), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 08:50:49,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:49,367 INFO L93 Difference]: Finished difference Result 81 states and 96 transitions. [2025-02-08 08:50:49,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:50:49,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 4 [2025-02-08 08:50:49,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:49,374 INFO L225 Difference]: With dead ends: 81 [2025-02-08 08:50:49,374 INFO L226 Difference]: Without dead ends: 46 [2025-02-08 08:50:49,378 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 08:50:49,380 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:50:49,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 149 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:50:49,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-02-08 08:50:49,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-02-08 08:50:49,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.6) internal successors, (48), 42 states have internal predecessors, (48), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 08:50:49,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2025-02-08 08:50:49,406 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 4 [2025-02-08 08:50:49,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:49,407 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2025-02-08 08:50:49,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 08:50:49,407 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2025-02-08 08:50:49,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 08:50:49,408 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:49,408 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-02-08 08:50:49,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:50:49,409 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:49,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:49,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1877982348, now seen corresponding path program 1 times [2025-02-08 08:50:49,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:49,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001557925] [2025-02-08 08:50:49,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:49,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:49,418 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 08:50:49,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 08:50:49,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:49,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:49,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:50:49,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:49,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001557925] [2025-02-08 08:50:49,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001557925] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:50:49,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740852010] [2025-02-08 08:50:49,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:49,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:49,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:50:49,530 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 08:50:49,531 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 08:50:49,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 08:50:49,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 08:50:49,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:49,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:49,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 08:50:49,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:50:49,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:50:49,640 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 08:50:49,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740852010] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:50:49,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 08:50:49,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-02-08 08:50:49,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763973762] [2025-02-08 08:50:49,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:50:49,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:50:49,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:49,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:50:49,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 08:50:49,643 INFO L87 Difference]: Start difference. First operand 46 states and 53 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 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 08:50:49,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:49,685 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2025-02-08 08:50:49,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:50:49,688 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 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 7 [2025-02-08 08:50:49,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:49,689 INFO L225 Difference]: With dead ends: 46 [2025-02-08 08:50:49,689 INFO L226 Difference]: Without dead ends: 45 [2025-02-08 08:50:49,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 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 08:50:49,690 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 1 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:50:49,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 164 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:50:49,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2025-02-08 08:50:49,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2025-02-08 08:50:49,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 41 states have internal predecessors, (47), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 08:50:49,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2025-02-08 08:50:49,695 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 52 transitions. Word has length 7 [2025-02-08 08:50:49,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:49,695 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 52 transitions. [2025-02-08 08:50:49,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 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 08:50:49,696 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2025-02-08 08:50:49,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 08:50:49,696 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:49,696 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:50:49,703 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 08:50:49,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:49,898 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:49,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:49,898 INFO L85 PathProgramCache]: Analyzing trace with hash -717869063, now seen corresponding path program 1 times [2025-02-08 08:50:49,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:49,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6000297] [2025-02-08 08:50:49,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:49,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:49,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 08:50:49,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 08:50:49,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:49,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:49,967 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 08:50:49,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:49,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6000297] [2025-02-08 08:50:49,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6000297] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:50:49,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:50:49,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:50:49,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774936045] [2025-02-08 08:50:49,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:50:49,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:50:49,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:49,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:50:49,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:50:49,970 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:50:49,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:49,998 INFO L93 Difference]: Finished difference Result 81 states and 93 transitions. [2025-02-08 08:50:49,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:50:49,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-02-08 08:50:49,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:49,999 INFO L225 Difference]: With dead ends: 81 [2025-02-08 08:50:49,999 INFO L226 Difference]: Without dead ends: 45 [2025-02-08 08:50:49,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:50:50,000 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:50:50,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:50:50,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2025-02-08 08:50:50,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2025-02-08 08:50:50,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.5333333333333334) internal successors, (46), 41 states have internal predecessors, (46), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 08:50:50,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions. [2025-02-08 08:50:50,003 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 51 transitions. Word has length 9 [2025-02-08 08:50:50,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:50,004 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 51 transitions. [2025-02-08 08:50:50,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:50:50,004 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2025-02-08 08:50:50,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-08 08:50:50,004 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:50,004 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2025-02-08 08:50:50,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 08:50:50,004 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:50,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:50,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1912089376, now seen corresponding path program 1 times [2025-02-08 08:50:50,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:50,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225534465] [2025-02-08 08:50:50,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:50,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:50,010 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 08:50:50,013 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 08:50:50,013 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:50,013 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:50,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:50:50,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:50,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225534465] [2025-02-08 08:50:50,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225534465] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:50:50,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497759417] [2025-02-08 08:50:50,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:50,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:50,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:50:50,081 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 08:50:50,082 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 08:50:50,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 08:50:50,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 08:50:50,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:50,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:50,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 08:50:50,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:50:50,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:50:50,153 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:50:50,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:50:50,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497759417] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:50:50,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:50:50,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-02-08 08:50:50,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401004735] [2025-02-08 08:50:50,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:50:50,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 08:50:50,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:50,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 08:50:50,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-08 08:50:50,194 INFO L87 Difference]: Start difference. First operand 45 states and 51 transitions. Second operand has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 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 08:50:50,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:50,236 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2025-02-08 08:50:50,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 08:50:50,237 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 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 08:50:50,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:50,237 INFO L225 Difference]: With dead ends: 55 [2025-02-08 08:50:50,238 INFO L226 Difference]: Without dead ends: 54 [2025-02-08 08:50:50,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-08 08:50:50,238 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:50:50,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 207 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:50:50,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2025-02-08 08:50:50,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2025-02-08 08:50:50,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 39 states have (on average 1.4871794871794872) internal successors, (58), 50 states have internal predecessors, (58), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 08:50:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2025-02-08 08:50:50,245 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 8 [2025-02-08 08:50:50,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:50,245 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2025-02-08 08:50:50,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 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 08:50:50,245 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2025-02-08 08:50:50,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-08 08:50:50,245 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:50,245 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:50:50,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 08:50:50,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:50,446 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:50,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:50,446 INFO L85 PathProgramCache]: Analyzing trace with hash 501338147, now seen corresponding path program 1 times [2025-02-08 08:50:50,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:50,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799590515] [2025-02-08 08:50:50,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:50,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:50,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 08:50:50,454 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 08:50:50,454 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:50,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:50,487 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 08:50:50,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:50,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799590515] [2025-02-08 08:50:50,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799590515] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:50:50,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:50:50,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:50:50,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162068625] [2025-02-08 08:50:50,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:50:50,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:50:50,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:50,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:50:50,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:50:50,488 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:50:50,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:50,518 INFO L93 Difference]: Finished difference Result 63 states and 75 transitions. [2025-02-08 08:50:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:50:50,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-02-08 08:50:50,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:50,520 INFO L225 Difference]: With dead ends: 63 [2025-02-08 08:50:50,520 INFO L226 Difference]: Without dead ends: 61 [2025-02-08 08:50:50,521 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 08:50:50,521 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 5 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 123 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 08:50:50,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 123 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:50:50,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-02-08 08:50:50,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-02-08 08:50:50,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 57 states have internal predecessors, (68), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 08:50:50,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 73 transitions. [2025-02-08 08:50:50,528 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 73 transitions. Word has length 12 [2025-02-08 08:50:50,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:50,528 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 73 transitions. [2025-02-08 08:50:50,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:50:50,529 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2025-02-08 08:50:50,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-08 08:50:50,529 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:50,529 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:50:50,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 08:50:50,529 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:50,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:50,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1864853448, now seen corresponding path program 1 times [2025-02-08 08:50:50,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:50,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77960989] [2025-02-08 08:50:50,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:50,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:50,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 08:50:50,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 08:50:50,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:50,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:50,609 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 08:50:50,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:50,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77960989] [2025-02-08 08:50:50,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77960989] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:50:50,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319517407] [2025-02-08 08:50:50,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:50,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:50,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:50:50,612 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 08:50:50,614 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 08:50:50,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 08:50:50,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 08:50:50,656 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:50,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:50,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 08:50:50,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:50:50,705 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 08:50:50,705 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:50:50,732 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 08:50:50,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319517407] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:50:50,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:50:50,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-08 08:50:50,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128336845] [2025-02-08 08:50:50,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:50:50,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 08:50:50,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:50,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 08:50:50,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 08:50:50,737 INFO L87 Difference]: Start difference. First operand 61 states and 73 transitions. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:50:50,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:50,791 INFO L93 Difference]: Finished difference Result 104 states and 124 transitions. [2025-02-08 08:50:50,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 08:50:50,791 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2025-02-08 08:50:50,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:50,792 INFO L225 Difference]: With dead ends: 104 [2025-02-08 08:50:50,792 INFO L226 Difference]: Without dead ends: 61 [2025-02-08 08:50:50,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 08:50:50,793 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:50:50,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:50:50,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-02-08 08:50:50,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-02-08 08:50:50,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 57 states have internal predecessors, (67), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 08:50:50,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 72 transitions. [2025-02-08 08:50:50,802 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 72 transitions. Word has length 17 [2025-02-08 08:50:50,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:50,802 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 72 transitions. [2025-02-08 08:50:50,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:50:50,803 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2025-02-08 08:50:50,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-08 08:50:50,803 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:50,803 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1] [2025-02-08 08:50:50,810 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 08:50:51,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:51,004 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:51,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:51,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1143670134, now seen corresponding path program 2 times [2025-02-08 08:50:51,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:51,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723689381] [2025-02-08 08:50:51,004 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:50:51,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:51,011 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 17 statements into 2 equivalence classes. [2025-02-08 08:50:51,013 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 5 of 17 statements. [2025-02-08 08:50:51,014 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:50:51,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:51,045 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-08 08:50:51,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:51,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723689381] [2025-02-08 08:50:51,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723689381] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:50:51,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864075191] [2025-02-08 08:50:51,045 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:50:51,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:51,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:50:51,048 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 08:50:51,049 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 08:50:51,079 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 17 statements into 2 equivalence classes. [2025-02-08 08:50:51,086 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 5 of 17 statements. [2025-02-08 08:50:51,086 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:50:51,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:51,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 08:50:51,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:50:51,107 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-08 08:50:51,107 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:50:51,127 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-08 08:50:51,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864075191] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:50:51,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:50:51,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2025-02-08 08:50:51,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078443365] [2025-02-08 08:50:51,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:50:51,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:50:51,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:51,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:50:51,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:50:51,128 INFO L87 Difference]: Start difference. First operand 61 states and 72 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 08:50:51,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:51,157 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2025-02-08 08:50:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:50:51,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 17 [2025-02-08 08:50:51,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:51,158 INFO L225 Difference]: With dead ends: 61 [2025-02-08 08:50:51,158 INFO L226 Difference]: Without dead ends: 58 [2025-02-08 08:50:51,158 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:50:51,159 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 40 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:50:51,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 57 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:50:51,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2025-02-08 08:50:51,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 50. [2025-02-08 08:50:51,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 46 states have internal predecessors, (54), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 08:50:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 59 transitions. [2025-02-08 08:50:51,162 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 59 transitions. Word has length 17 [2025-02-08 08:50:51,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:51,162 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 59 transitions. [2025-02-08 08:50:51,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 08:50:51,163 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2025-02-08 08:50:51,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-08 08:50:51,163 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:51,163 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:50:51,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 08:50:51,367 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,SelfDestructingSolverStorable6 [2025-02-08 08:50:51,367 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:51,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:51,367 INFO L85 PathProgramCache]: Analyzing trace with hash 387870306, now seen corresponding path program 2 times [2025-02-08 08:50:51,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:51,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478451929] [2025-02-08 08:50:51,367 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:50:51,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:51,372 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 20 statements into 2 equivalence classes. [2025-02-08 08:50:51,381 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 08:50:51,381 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:50:51,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:51,439 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-08 08:50:51,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:51,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478451929] [2025-02-08 08:50:51,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478451929] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:50:51,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58650814] [2025-02-08 08:50:51,439 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:50:51,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:51,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:50:51,441 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 08:50:51,442 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 08:50:51,474 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 20 statements into 2 equivalence classes. [2025-02-08 08:50:51,486 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 08:50:51,487 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:50:51,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:51,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 08:50:51,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:50:51,510 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-08 08:50:51,510 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 08:50:51,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58650814] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:50:51,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 08:50:51,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-02-08 08:50:51,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80630796] [2025-02-08 08:50:51,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:50:51,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:50:51,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:51,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:50:51,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 08:50:51,511 INFO L87 Difference]: Start difference. First operand 50 states and 59 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:50:51,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:51,542 INFO L93 Difference]: Finished difference Result 50 states and 59 transitions. [2025-02-08 08:50:51,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:50:51,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2025-02-08 08:50:51,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:51,542 INFO L225 Difference]: With dead ends: 50 [2025-02-08 08:50:51,542 INFO L226 Difference]: Without dead ends: 49 [2025-02-08 08:50:51,543 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 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 08:50:51,543 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 9 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:50:51,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 191 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:50:51,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-02-08 08:50:51,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-02-08 08:50:51,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 38 states have (on average 1.394736842105263) internal successors, (53), 45 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 08:50:51,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 58 transitions. [2025-02-08 08:50:51,546 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 58 transitions. Word has length 20 [2025-02-08 08:50:51,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:51,546 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 58 transitions. [2025-02-08 08:50:51,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:50:51,546 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2025-02-08 08:50:51,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-08 08:50:51,548 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:51,548 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:50:51,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 08:50:51,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:51,753 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:51,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:51,753 INFO L85 PathProgramCache]: Analyzing trace with hash -860922431, now seen corresponding path program 1 times [2025-02-08 08:50:51,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:51,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241980572] [2025-02-08 08:50:51,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:51,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:51,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 08:50:51,768 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 08:50:51,768 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:51,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:51,817 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-08 08:50:51,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:51,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241980572] [2025-02-08 08:50:51,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241980572] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:50:51,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594330527] [2025-02-08 08:50:51,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:51,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:51,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:50:51,841 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 08:50:51,842 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 08:50:51,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 08:50:51,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 08:50:51,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:51,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:51,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 08:50:51,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:50:51,985 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:50:51,986 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:50:52,081 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:50:52,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594330527] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:50:52,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:50:52,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 11] total 18 [2025-02-08 08:50:52,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446799547] [2025-02-08 08:50:52,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:50:52,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 08:50:52,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:52,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 08:50:52,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2025-02-08 08:50:52,084 INFO L87 Difference]: Start difference. First operand 49 states and 58 transitions. Second operand has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:50:52,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:52,250 INFO L93 Difference]: Finished difference Result 129 states and 162 transitions. [2025-02-08 08:50:52,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 08:50:52,250 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2025-02-08 08:50:52,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:52,251 INFO L225 Difference]: With dead ends: 129 [2025-02-08 08:50:52,251 INFO L226 Difference]: Without dead ends: 88 [2025-02-08 08:50:52,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2025-02-08 08:50:52,252 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 48 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:50:52,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 291 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:50:52,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2025-02-08 08:50:52,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2025-02-08 08:50:52,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 70 states have (on average 1.4) internal successors, (98), 77 states have internal predecessors, (98), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 08:50:52,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2025-02-08 08:50:52,262 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 21 [2025-02-08 08:50:52,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:52,263 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2025-02-08 08:50:52,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:50:52,263 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2025-02-08 08:50:52,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-02-08 08:50:52,263 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:52,263 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:50:52,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-08 08:50:52,464 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,SelfDestructingSolverStorable8 [2025-02-08 08:50:52,464 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:52,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:52,464 INFO L85 PathProgramCache]: Analyzing trace with hash -170203799, now seen corresponding path program 1 times [2025-02-08 08:50:52,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:52,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948986865] [2025-02-08 08:50:52,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:52,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:52,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-08 08:50:52,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-08 08:50:52,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:52,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:52,521 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 08:50:52,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:52,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948986865] [2025-02-08 08:50:52,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948986865] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:50:52,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915436079] [2025-02-08 08:50:52,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:52,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:52,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:50:52,525 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 08:50:52,527 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 08:50:52,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-08 08:50:52,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-08 08:50:52,572 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:52,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:52,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 08:50:52,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:50:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-02-08 08:50:52,596 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 08:50:52,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915436079] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:50:52,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 08:50:52,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2025-02-08 08:50:52,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259552590] [2025-02-08 08:50:52,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:50:52,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:50:52,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:52,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:50:52,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:50:52,597 INFO L87 Difference]: Start difference. First operand 84 states and 109 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 08:50:52,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:52,615 INFO L93 Difference]: Finished difference Result 84 states and 109 transitions. [2025-02-08 08:50:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:50:52,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2025-02-08 08:50:52,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:52,616 INFO L225 Difference]: With dead ends: 84 [2025-02-08 08:50:52,616 INFO L226 Difference]: Without dead ends: 80 [2025-02-08 08:50:52,617 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:50:52,617 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 26 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:50:52,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 31 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:50:52,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-02-08 08:50:52,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2025-02-08 08:50:52,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 68 states have (on average 1.3529411764705883) internal successors, (92), 73 states have internal predecessors, (92), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 08:50:52,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2025-02-08 08:50:52,626 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 23 [2025-02-08 08:50:52,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:52,626 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2025-02-08 08:50:52,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 08:50:52,626 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2025-02-08 08:50:52,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-08 08:50:52,627 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:52,627 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:50:52,634 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 08:50:52,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:52,831 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:52,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:52,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1815009438, now seen corresponding path program 1 times [2025-02-08 08:50:52,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:52,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633099250] [2025-02-08 08:50:52,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:52,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:52,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-08 08:50:52,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-08 08:50:52,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:52,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:52,893 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 08:50:52,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:52,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633099250] [2025-02-08 08:50:52,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633099250] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:50:52,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666395814] [2025-02-08 08:50:52,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:52,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:52,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:50:52,895 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:50:52,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 08:50:52,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-08 08:50:52,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-08 08:50:52,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:52,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:52,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 08:50:52,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:50:52,951 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-02-08 08:50:52,951 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 08:50:52,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666395814] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:50:52,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 08:50:52,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2025-02-08 08:50:52,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034009487] [2025-02-08 08:50:52,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:50:52,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:50:52,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:52,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:50:52,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:50:52,952 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 08:50:52,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:52,966 INFO L93 Difference]: Finished difference Result 93 states and 120 transitions. [2025-02-08 08:50:52,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:50:52,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2025-02-08 08:50:52,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:52,967 INFO L225 Difference]: With dead ends: 93 [2025-02-08 08:50:52,967 INFO L226 Difference]: Without dead ends: 92 [2025-02-08 08:50:52,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:50:52,968 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 1 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:50:52,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 67 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:50:52,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2025-02-08 08:50:52,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2025-02-08 08:50:52,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 78 states have (on average 1.3205128205128205) internal successors, (103), 83 states have internal predecessors, (103), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 08:50:52,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 114 transitions. [2025-02-08 08:50:52,973 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 114 transitions. Word has length 26 [2025-02-08 08:50:52,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:52,973 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 114 transitions. [2025-02-08 08:50:52,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 08:50:52,973 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 114 transitions. [2025-02-08 08:50:52,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-08 08:50:52,974 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:52,974 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:50:52,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 08:50:53,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:53,178 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:53,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:53,178 INFO L85 PathProgramCache]: Analyzing trace with hash 430717733, now seen corresponding path program 1 times [2025-02-08 08:50:53,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:53,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758661413] [2025-02-08 08:50:53,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:53,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:53,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 08:50:53,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 08:50:53,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:53,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:53,226 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 08:50:53,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:53,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758661413] [2025-02-08 08:50:53,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758661413] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:50:53,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167050597] [2025-02-08 08:50:53,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:53,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:53,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:50:53,229 INFO L229 MonitoredProcess]: Starting monitored process 10 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 08:50:53,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 08:50:53,261 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 08:50:53,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 08:50:53,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:53,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:53,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 08:50:53,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:50:53,287 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-02-08 08:50:53,287 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 08:50:53,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167050597] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:50:53,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 08:50:53,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2025-02-08 08:50:53,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156967092] [2025-02-08 08:50:53,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:50:53,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:50:53,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:53,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:50:53,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:50:53,288 INFO L87 Difference]: Start difference. First operand 90 states and 114 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 08:50:53,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:53,302 INFO L93 Difference]: Finished difference Result 93 states and 118 transitions. [2025-02-08 08:50:53,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:50:53,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2025-02-08 08:50:53,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:53,303 INFO L225 Difference]: With dead ends: 93 [2025-02-08 08:50:53,303 INFO L226 Difference]: Without dead ends: 92 [2025-02-08 08:50:53,303 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:50:53,304 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:50:53,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:50:53,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2025-02-08 08:50:53,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2025-02-08 08:50:53,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 80 states have (on average 1.3125) internal successors, (105), 85 states have internal predecessors, (105), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 08:50:53,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 116 transitions. [2025-02-08 08:50:53,312 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 116 transitions. Word has length 27 [2025-02-08 08:50:53,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:53,312 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 116 transitions. [2025-02-08 08:50:53,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 08:50:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 116 transitions. [2025-02-08 08:50:53,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-08 08:50:53,313 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:53,313 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:50:53,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 08:50:53,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:53,513 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:53,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:53,514 INFO L85 PathProgramCache]: Analyzing trace with hash 467347836, now seen corresponding path program 1 times [2025-02-08 08:50:53,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:53,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84195241] [2025-02-08 08:50:53,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:53,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:53,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 08:50:53,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 08:50:53,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:53,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:53,557 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 08:50:53,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:53,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84195241] [2025-02-08 08:50:53,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84195241] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:50:53,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687690986] [2025-02-08 08:50:53,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:53,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:53,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:50:53,560 INFO L229 MonitoredProcess]: Starting monitored process 11 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 08:50:53,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 08:50:53,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 08:50:53,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 08:50:53,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:53,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:53,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 08:50:53,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:50:53,631 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-08 08:50:53,632 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 08:50:53,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687690986] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:50:53,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 08:50:53,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2025-02-08 08:50:53,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960411138] [2025-02-08 08:50:53,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:50:53,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:50:53,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:53,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:50:53,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:50:53,634 INFO L87 Difference]: Start difference. First operand 92 states and 116 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 08:50:53,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:53,665 INFO L93 Difference]: Finished difference Result 124 states and 155 transitions. [2025-02-08 08:50:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:50:53,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2025-02-08 08:50:53,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:53,666 INFO L225 Difference]: With dead ends: 124 [2025-02-08 08:50:53,666 INFO L226 Difference]: Without dead ends: 92 [2025-02-08 08:50:53,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:50:53,667 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 47 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:50:53,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 51 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:50:53,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2025-02-08 08:50:53,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2025-02-08 08:50:53,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 80 states have (on average 1.2875) internal successors, (103), 85 states have internal predecessors, (103), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 08:50:53,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 114 transitions. [2025-02-08 08:50:53,674 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 114 transitions. Word has length 28 [2025-02-08 08:50:53,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:53,674 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 114 transitions. [2025-02-08 08:50:53,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 08:50:53,677 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 114 transitions. [2025-02-08 08:50:53,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 08:50:53,677 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:53,677 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 08:50:53,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-08 08:50:53,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-08 08:50:53,878 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:53,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:53,878 INFO L85 PathProgramCache]: Analyzing trace with hash -207054144, now seen corresponding path program 2 times [2025-02-08 08:50:53,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:53,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405847621] [2025-02-08 08:50:53,878 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:50:53,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:53,883 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-02-08 08:50:53,885 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 10 of 29 statements. [2025-02-08 08:50:53,885 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:50:53,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-02-08 08:50:53,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:53,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405847621] [2025-02-08 08:50:53,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405847621] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:50:53,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890053264] [2025-02-08 08:50:53,904 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:50:53,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:53,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:50:53,906 INFO L229 MonitoredProcess]: Starting monitored process 12 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 08:50:53,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 08:50:53,941 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-02-08 08:50:53,948 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 10 of 29 statements. [2025-02-08 08:50:53,948 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:50:53,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:53,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 08:50:53,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:50:53,974 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-02-08 08:50:53,974 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:50:54,007 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-02-08 08:50:54,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890053264] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:50:54,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:50:54,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2025-02-08 08:50:54,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003294888] [2025-02-08 08:50:54,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:50:54,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:50:54,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:54,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:50:54,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:50:54,008 INFO L87 Difference]: Start difference. First operand 92 states and 114 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:50:54,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:54,038 INFO L93 Difference]: Finished difference Result 92 states and 114 transitions. [2025-02-08 08:50:54,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 08:50:54,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2025-02-08 08:50:54,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:54,039 INFO L225 Difference]: With dead ends: 92 [2025-02-08 08:50:54,039 INFO L226 Difference]: Without dead ends: 87 [2025-02-08 08:50:54,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 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 08:50:54,040 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 32 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:50:54,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 73 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:50:54,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2025-02-08 08:50:54,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 66. [2025-02-08 08:50:54,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 56 states have (on average 1.25) internal successors, (70), 60 states have internal predecessors, (70), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 08:50:54,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 80 transitions. [2025-02-08 08:50:54,043 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 80 transitions. Word has length 29 [2025-02-08 08:50:54,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:54,043 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 80 transitions. [2025-02-08 08:50:54,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:50:54,043 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2025-02-08 08:50:54,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 08:50:54,044 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:54,044 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:50:54,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-08 08:50:54,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-02-08 08:50:54,248 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:54,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:54,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1295603350, now seen corresponding path program 1 times [2025-02-08 08:50:54,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:54,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006196388] [2025-02-08 08:50:54,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:54,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:54,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 08:50:54,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 08:50:54,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:54,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 08:50:54,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:54,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006196388] [2025-02-08 08:50:54,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006196388] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:50:54,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:50:54,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:50:54,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563954268] [2025-02-08 08:50:54,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:50:54,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:50:54,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:54,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:50:54,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:50:54,313 INFO L87 Difference]: Start difference. First operand 66 states and 80 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 08:50:54,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:54,332 INFO L93 Difference]: Finished difference Result 70 states and 84 transitions. [2025-02-08 08:50:54,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:50:54,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2025-02-08 08:50:54,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:54,333 INFO L225 Difference]: With dead ends: 70 [2025-02-08 08:50:54,333 INFO L226 Difference]: Without dead ends: 68 [2025-02-08 08:50:54,333 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 08:50:54,333 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 1 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:50:54,333 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 83 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:50:54,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2025-02-08 08:50:54,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2025-02-08 08:50:54,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 62 states have internal predecessors, (72), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 08:50:54,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 82 transitions. [2025-02-08 08:50:54,337 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 82 transitions. Word has length 38 [2025-02-08 08:50:54,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:54,337 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 82 transitions. [2025-02-08 08:50:54,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 08:50:54,337 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 82 transitions. [2025-02-08 08:50:54,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 08:50:54,338 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:54,338 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:50:54,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-08 08:50:54,338 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:54,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:54,338 INFO L85 PathProgramCache]: Analyzing trace with hash 340724160, now seen corresponding path program 1 times [2025-02-08 08:50:54,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:54,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005522088] [2025-02-08 08:50:54,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:54,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:54,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 08:50:54,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 08:50:54,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:54,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:54,417 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 08:50:54,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:54,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005522088] [2025-02-08 08:50:54,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005522088] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:50:54,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477033671] [2025-02-08 08:50:54,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:54,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:54,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:50:54,419 INFO L229 MonitoredProcess]: Starting monitored process 13 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 08:50:54,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 08:50:54,458 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 08:50:54,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 08:50:54,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:54,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:54,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 08:50:54,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:50:54,502 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 08:50:54,502 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 08:50:54,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477033671] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:50:54,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 08:50:54,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-02-08 08:50:54,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66119535] [2025-02-08 08:50:54,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:50:54,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:50:54,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:54,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:50:54,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 08:50:54,504 INFO L87 Difference]: Start difference. First operand 68 states and 82 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 08:50:54,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:54,520 INFO L93 Difference]: Finished difference Result 68 states and 82 transitions. [2025-02-08 08:50:54,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:50:54,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 44 [2025-02-08 08:50:54,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:54,521 INFO L225 Difference]: With dead ends: 68 [2025-02-08 08:50:54,521 INFO L226 Difference]: Without dead ends: 66 [2025-02-08 08:50:54,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 08:50:54,521 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 1 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:50:54,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 72 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:50:54,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2025-02-08 08:50:54,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2025-02-08 08:50:54,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 58 states have (on average 1.206896551724138) internal successors, (70), 60 states have internal predecessors, (70), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 08:50:54,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 80 transitions. [2025-02-08 08:50:54,525 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 80 transitions. Word has length 44 [2025-02-08 08:50:54,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:54,526 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 80 transitions. [2025-02-08 08:50:54,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 08:50:54,527 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2025-02-08 08:50:54,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 08:50:54,528 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:54,528 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:50:54,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-08 08:50:54,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:54,728 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:54,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:54,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1972514371, now seen corresponding path program 1 times [2025-02-08 08:50:54,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:54,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569219379] [2025-02-08 08:50:54,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:54,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:54,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 08:50:54,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 08:50:54,739 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:54,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:54,792 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 08:50:54,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:54,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569219379] [2025-02-08 08:50:54,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569219379] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:50:54,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577924085] [2025-02-08 08:50:54,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:54,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:54,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:50:54,794 INFO L229 MonitoredProcess]: Starting monitored process 14 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 08:50:54,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 08:50:54,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 08:50:54,850 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 08:50:54,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:54,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:54,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 08:50:54,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:50:54,879 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 08:50:54,879 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:50:54,939 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 08:50:54,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577924085] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:50:54,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:50:54,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-02-08 08:50:54,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395385809] [2025-02-08 08:50:54,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:50:54,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 08:50:54,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:54,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 08:50:54,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-08 08:50:54,940 INFO L87 Difference]: Start difference. First operand 66 states and 80 transitions. Second operand has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 08:50:54,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:54,977 INFO L93 Difference]: Finished difference Result 82 states and 97 transitions. [2025-02-08 08:50:54,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 08:50:54,978 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 45 [2025-02-08 08:50:54,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:54,978 INFO L225 Difference]: With dead ends: 82 [2025-02-08 08:50:54,978 INFO L226 Difference]: Without dead ends: 80 [2025-02-08 08:50:54,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-08 08:50:54,979 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:50:54,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:50:54,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-02-08 08:50:54,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2025-02-08 08:50:54,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 72 states have (on average 1.1666666666666667) internal successors, (84), 74 states have internal predecessors, (84), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 08:50:54,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 94 transitions. [2025-02-08 08:50:54,984 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 94 transitions. Word has length 45 [2025-02-08 08:50:54,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:54,984 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 94 transitions. [2025-02-08 08:50:54,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 08:50:54,984 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2025-02-08 08:50:54,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-08 08:50:54,985 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:54,985 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:50:54,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-08 08:50:55,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-08 08:50:55,185 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:55,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:55,186 INFO L85 PathProgramCache]: Analyzing trace with hash 858054425, now seen corresponding path program 1 times [2025-02-08 08:50:55,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:55,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946940254] [2025-02-08 08:50:55,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:50:55,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:55,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-08 08:50:55,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 08:50:55,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:50:55,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:55,237 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-02-08 08:50:55,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:55,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946940254] [2025-02-08 08:50:55,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946940254] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:50:55,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:50:55,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:50:55,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209405464] [2025-02-08 08:50:55,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:50:55,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:50:55,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:55,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:50:55,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:50:55,238 INFO L87 Difference]: Start difference. First operand 80 states and 94 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 08:50:55,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:55,246 INFO L93 Difference]: Finished difference Result 80 states and 94 transitions. [2025-02-08 08:50:55,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:50:55,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 55 [2025-02-08 08:50:55,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:55,247 INFO L225 Difference]: With dead ends: 80 [2025-02-08 08:50:55,247 INFO L226 Difference]: Without dead ends: 79 [2025-02-08 08:50:55,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:50:55,248 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:50:55,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:50:55,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-02-08 08:50:55,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2025-02-08 08:50:55,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 72 states have (on average 1.1527777777777777) internal successors, (83), 73 states have internal predecessors, (83), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 08:50:55,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 93 transitions. [2025-02-08 08:50:55,252 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 93 transitions. Word has length 55 [2025-02-08 08:50:55,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:55,252 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 93 transitions. [2025-02-08 08:50:55,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 08:50:55,253 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2025-02-08 08:50:55,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-02-08 08:50:55,253 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:50:55,253 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:50:55,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-08 08:50:55,254 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:50:55,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:50:55,254 INFO L85 PathProgramCache]: Analyzing trace with hash 386637107, now seen corresponding path program 2 times [2025-02-08 08:50:55,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:50:55,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971950860] [2025-02-08 08:50:55,254 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:50:55,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:50:55,262 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 61 statements into 2 equivalence classes. [2025-02-08 08:50:55,264 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 61 statements. [2025-02-08 08:50:55,264 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:50:55,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:55,283 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2025-02-08 08:50:55,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:50:55,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971950860] [2025-02-08 08:50:55,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971950860] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:50:55,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272984354] [2025-02-08 08:50:55,284 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:50:55,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:55,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:50:55,286 INFO L229 MonitoredProcess]: Starting monitored process 15 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 08:50:55,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 08:50:55,326 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 61 statements into 2 equivalence classes. [2025-02-08 08:50:55,333 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 61 statements. [2025-02-08 08:50:55,333 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:50:55,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:50:55,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 08:50:55,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:50:55,393 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2025-02-08 08:50:55,394 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:50:55,451 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2025-02-08 08:50:55,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272984354] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:50:55,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:50:55,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 2, 3] total 5 [2025-02-08 08:50:55,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703336124] [2025-02-08 08:50:55,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:50:55,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:50:55,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:50:55,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:50:55,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:50:55,452 INFO L87 Difference]: Start difference. First operand 79 states and 93 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 08:50:55,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:50:55,481 INFO L93 Difference]: Finished difference Result 79 states and 93 transitions. [2025-02-08 08:50:55,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:50:55,481 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 61 [2025-02-08 08:50:55,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:50:55,481 INFO L225 Difference]: With dead ends: 79 [2025-02-08 08:50:55,482 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 08:50:55,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 08:50:55,482 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 11 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:50:55,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 57 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:50:55,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 08:50:55,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 08:50:55,483 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 08:50:55,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 08:50:55,483 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2025-02-08 08:50:55,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:50:55,483 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 08:50:55,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 08:50:55,483 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 08:50:55,483 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 08:50:55,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2025-02-08 08:50:55,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2025-02-08 08:50:55,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2025-02-08 08:50:55,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2025-02-08 08:50:55,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2025-02-08 08:50:55,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2025-02-08 08:50:55,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2025-02-08 08:50:55,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2025-02-08 08:50:55,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2025-02-08 08:50:55,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2025-02-08 08:50:55,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2025-02-08 08:50:55,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2025-02-08 08:50:55,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-08 08:50:55,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:50:55,693 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:50:55,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 08:50:55,847 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 08:50:55,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 08:50:55 BoogieIcfgContainer [2025-02-08 08:50:55,858 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 08:50:55,859 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 08:50:55,859 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 08:50:55,859 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 08:50:55,860 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:50:49" (3/4) ... [2025-02-08 08:50:55,861 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 08:50:55,865 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure bAnd [2025-02-08 08:50:55,868 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-02-08 08:50:55,868 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-08 08:50:55,869 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 08:50:55,869 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 08:50:55,869 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 08:50:55,952 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 08:50:55,953 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 08:50:55,953 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 08:50:55,953 INFO L158 Benchmark]: Toolchain (without parser) took 7464.39ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 109.0MB in the end (delta: 5.4MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2025-02-08 08:50:55,953 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:50:55,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.12ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 103.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:50:55,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.32ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 101.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:50:55,954 INFO L158 Benchmark]: Boogie Preprocessor took 31.61ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 100.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:50:55,955 INFO L158 Benchmark]: IcfgBuilder took 288.38ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 84.7MB in the end (delta: 15.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:50:55,956 INFO L158 Benchmark]: TraceAbstraction took 6816.94ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 40.1MB in the end (delta: 43.8MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2025-02-08 08:50:55,956 INFO L158 Benchmark]: Witness Printer took 93.89ms. Allocated memory is still 142.6MB. Free memory was 40.1MB in the beginning and 109.0MB in the end (delta: -68.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:50:55,958 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.12ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 103.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.32ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 101.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.61ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 100.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 288.38ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 84.7MB in the end (delta: 15.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6816.94ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 40.1MB in the end (delta: 43.8MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * Witness Printer took 93.89ms. Allocated memory is still 142.6MB. Free memory was 40.1MB in the beginning and 109.0MB in the end (delta: -68.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 19, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 223 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 223 mSDsluCounter, 2161 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1500 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 834 IncrementalHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 661 mSDtfsCounter, 834 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 632 GetRequests, 522 SyntacticMatches, 12 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=12, InterpolantAutomatonStates: 97, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 19 MinimizatonAttempts, 35 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 864 NumberOfCodeBlocks, 710 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1022 ConstructedInterpolants, 0 QuantifiedInterpolants, 2188 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1653 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 40 InterpolantComputations, 12 PerfectInterpolantSequences, 544/678 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 12 specifications checked. All of them hold - InvariantResult [Line: 24]: Location Invariant Derived location invariant: ((((i == 1) || (2 <= i)) && (N <= 2147483647)) && (((i == 1) || (i == 2)) || (2 < N))) - InvariantResult [Line: 50]: Location Invariant Derived location invariant: (((N <= 2147483647) && (0 <= (i + 2147483648))) && (2 <= N)) - InvariantResult [Line: 40]: Location Invariant Derived location invariant: ((((N <= 2147483647) && (i == 0)) && (2 <= N)) || (((N <= 2147483647) && (1 <= i)) && (2 <= N))) RESULT: Ultimate proved your program to be correct! [2025-02-08 08:50:55,975 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