./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_good.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 2977efd2d5ad4d675080b4eb7ad25e4e139daa92bd76e63bdcb184ae91de9ac9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 13:23:56,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 13:23:56,421 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-08 13:23:56,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 13:23:56,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 13:23:56,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 13:23:56,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 13:23:56,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 13:23:56,445 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 13:23:56,445 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 13:23:56,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 13:23:56,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 13:23:56,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 13:23:56,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 13:23:56,446 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 13:23:56,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 13:23:56,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 13:23:56,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 13:23:56,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 13:23:56,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 13:23:56,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 13:23:56,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 13:23:56,447 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 13:23:56,447 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 13:23:56,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 13:23:56,448 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 13:23:56,448 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 13:23:56,448 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 13:23:56,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 13:23:56,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 13:23:56,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 13:23:56,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:23:56,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 13:23:56,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 13:23:56,449 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 13:23:56,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 13:23:56,449 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 13:23:56,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 13:23:56,449 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 13:23:56,449 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 13:23:56,449 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 13:23:56,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 13:23:56,449 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2977efd2d5ad4d675080b4eb7ad25e4e139daa92bd76e63bdcb184ae91de9ac9 [2025-02-08 13:23:56,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 13:23:56,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 13:23:56,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 13:23:56,680 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 13:23:56,680 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 13:23:56,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_good.i [2025-02-08 13:23:57,828 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/655da08ad/6ebc1f4e95c24344802fd4ff4a64a8f9/FLAG7838a6f02 [2025-02-08 13:23:58,192 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 13:23:58,196 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_good.i [2025-02-08 13:23:58,214 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/655da08ad/6ebc1f4e95c24344802fd4ff4a64a8f9/FLAG7838a6f02 [2025-02-08 13:23:58,223 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/655da08ad/6ebc1f4e95c24344802fd4ff4a64a8f9 [2025-02-08 13:23:58,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 13:23:58,227 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 13:23:58,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 13:23:58,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 13:23:58,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 13:23:58,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:23:58" (1/1) ... [2025-02-08 13:23:58,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@378fba94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:23:58, skipping insertion in model container [2025-02-08 13:23:58,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:23:58" (1/1) ... [2025-02-08 13:23:58,271 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 13:23:58,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:23:58,778 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 13:23:58,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:23:58,926 INFO L204 MainTranslator]: Completed translation [2025-02-08 13:23:58,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:23:58 WrapperNode [2025-02-08 13:23:58,927 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 13:23:58,928 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 13:23:58,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 13:23:58,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 13:23:58,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:23:58" (1/1) ... [2025-02-08 13:23:58,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:23:58" (1/1) ... [2025-02-08 13:23:58,984 INFO L138 Inliner]: procedures = 503, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 225 [2025-02-08 13:23:58,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 13:23:58,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 13:23:58,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 13:23:58,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 13:23:58,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:23:58" (1/1) ... [2025-02-08 13:23:58,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:23:58" (1/1) ... [2025-02-08 13:23:58,997 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:23:58" (1/1) ... [2025-02-08 13:23:59,011 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-08 13:23:59,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:23:58" (1/1) ... [2025-02-08 13:23:59,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:23:58" (1/1) ... [2025-02-08 13:23:59,019 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:23:58" (1/1) ... [2025-02-08 13:23:59,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:23:58" (1/1) ... [2025-02-08 13:23:59,024 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:23:58" (1/1) ... [2025-02-08 13:23:59,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:23:58" (1/1) ... [2025-02-08 13:23:59,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 13:23:59,031 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 13:23:59,031 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 13:23:59,031 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 13:23:59,035 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:23:58" (1/1) ... [2025-02-08 13:23:59,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:23:59,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:23:59,066 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 13:23:59,069 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 13:23:59,085 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-02-08 13:23:59,086 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-02-08 13:23:59,086 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-02-08 13:23:59,086 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-02-08 13:23:59,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 13:23:59,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 13:23:59,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 13:23:59,086 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2025-02-08 13:23:59,086 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2025-02-08 13:23:59,086 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2025-02-08 13:23:59,086 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2025-02-08 13:23:59,221 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 13:23:59,223 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 13:23:59,460 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2025-02-08 13:23:59,460 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 13:23:59,478 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 13:23:59,478 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 13:23:59,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:23:59 BoogieIcfgContainer [2025-02-08 13:23:59,478 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 13:23:59,480 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 13:23:59,480 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 13:23:59,484 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 13:23:59,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:23:58" (1/3) ... [2025-02-08 13:23:59,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9cc1763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:23:59, skipping insertion in model container [2025-02-08 13:23:59,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:23:58" (2/3) ... [2025-02-08 13:23:59,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9cc1763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:23:59, skipping insertion in model container [2025-02-08 13:23:59,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:23:59" (3/3) ... [2025-02-08 13:23:59,486 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_08_good.i [2025-02-08 13:23:59,496 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 13:23:59,497 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_sub_08_good.i that has 5 procedures, 122 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-02-08 13:23:59,532 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 13:23:59,539 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5ff5ff03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 13:23:59,539 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-08 13:23:59,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 91 states have (on average 1.4945054945054945) internal successors, (136), 103 states have internal predecessors, (136), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-08 13:23:59,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-08 13:23:59,547 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:23:59,547 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:23:59,547 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:23:59,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:23:59,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1726696209, now seen corresponding path program 1 times [2025-02-08 13:23:59,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:23:59,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757311049] [2025-02-08 13:23:59,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:23:59,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:23:59,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 13:23:59,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 13:23:59,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:23:59,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:23:59,739 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 13:23:59,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:23:59,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757311049] [2025-02-08 13:23:59,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757311049] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:23:59,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:23:59,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 13:23:59,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705914233] [2025-02-08 13:23:59,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:23:59,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:23:59,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:23:59,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:23:59,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:23:59,757 INFO L87 Difference]: Start difference. First operand has 122 states, 91 states have (on average 1.4945054945054945) internal successors, (136), 103 states have internal predecessors, (136), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 13:23:59,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:23:59,816 INFO L93 Difference]: Finished difference Result 216 states and 300 transitions. [2025-02-08 13:23:59,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:23:59,819 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2025-02-08 13:23:59,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:23:59,825 INFO L225 Difference]: With dead ends: 216 [2025-02-08 13:23:59,825 INFO L226 Difference]: Without dead ends: 115 [2025-02-08 13:23:59,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 13:23:59,830 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:23:59,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 478 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:23:59,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-02-08 13:23:59,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2025-02-08 13:23:59,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 87 states have (on average 1.4827586206896552) internal successors, (129), 98 states have internal predecessors, (129), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-08 13:23:59,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2025-02-08 13:23:59,868 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 21 [2025-02-08 13:23:59,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:23:59,871 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2025-02-08 13:23:59,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 13:23:59,872 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2025-02-08 13:23:59,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-08 13:23:59,873 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:23:59,873 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:23:59,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 13:23:59,873 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:23:59,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:23:59,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1572475169, now seen corresponding path program 1 times [2025-02-08 13:23:59,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:23:59,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524096862] [2025-02-08 13:23:59,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:23:59,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:23:59,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 13:23:59,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 13:23:59,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:23:59,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:23:59,970 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 13:23:59,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:23:59,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524096862] [2025-02-08 13:23:59,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524096862] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:23:59,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:23:59,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:23:59,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559784215] [2025-02-08 13:23:59,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:23:59,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:23:59,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:23:59,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:23:59,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:23:59,972 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 13:24:00,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:24:00,003 INFO L93 Difference]: Finished difference Result 115 states and 161 transitions. [2025-02-08 13:24:00,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:24:00,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2025-02-08 13:24:00,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:24:00,004 INFO L225 Difference]: With dead ends: 115 [2025-02-08 13:24:00,004 INFO L226 Difference]: Without dead ends: 114 [2025-02-08 13:24:00,005 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 13:24:00,006 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 37 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 260 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 13:24:00,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 260 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:24:00,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2025-02-08 13:24:00,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2025-02-08 13:24:00,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 87 states have (on average 1.471264367816092) internal successors, (128), 97 states have internal predecessors, (128), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-08 13:24:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2025-02-08 13:24:00,014 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 27 [2025-02-08 13:24:00,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:24:00,014 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2025-02-08 13:24:00,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 13:24:00,014 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2025-02-08 13:24:00,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-08 13:24:00,015 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:24:00,015 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:24:00,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 13:24:00,015 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:24:00,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:24:00,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1502089910, now seen corresponding path program 1 times [2025-02-08 13:24:00,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:24:00,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173168586] [2025-02-08 13:24:00,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:00,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:24:00,024 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 13:24:00,032 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 13:24:00,032 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:00,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:00,139 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 13:24:00,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:24:00,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173168586] [2025-02-08 13:24:00,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173168586] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:24:00,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:24:00,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:24:00,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982414670] [2025-02-08 13:24:00,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:24:00,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:24:00,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:24:00,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:24:00,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:24:00,141 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 13:24:00,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:24:00,169 INFO L93 Difference]: Finished difference Result 115 states and 161 transitions. [2025-02-08 13:24:00,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:24:00,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2025-02-08 13:24:00,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:24:00,171 INFO L225 Difference]: With dead ends: 115 [2025-02-08 13:24:00,171 INFO L226 Difference]: Without dead ends: 114 [2025-02-08 13:24:00,172 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 13:24:00,172 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 37 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 254 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 13:24:00,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 254 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:24:00,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2025-02-08 13:24:00,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2025-02-08 13:24:00,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 87 states have (on average 1.4597701149425288) internal successors, (127), 96 states have internal predecessors, (127), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-08 13:24:00,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 159 transitions. [2025-02-08 13:24:00,182 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 159 transitions. Word has length 28 [2025-02-08 13:24:00,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:24:00,182 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 159 transitions. [2025-02-08 13:24:00,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 13:24:00,183 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 159 transitions. [2025-02-08 13:24:00,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 13:24:00,184 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:24:00,184 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:24:00,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 13:24:00,184 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:24:00,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:24:00,185 INFO L85 PathProgramCache]: Analyzing trace with hash 806784292, now seen corresponding path program 1 times [2025-02-08 13:24:00,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:24:00,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141605476] [2025-02-08 13:24:00,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:00,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:24:00,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 13:24:00,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 13:24:00,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:00,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-02-08 13:24:00,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:24:00,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141605476] [2025-02-08 13:24:00,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141605476] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:24:00,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:24:00,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 13:24:00,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075199690] [2025-02-08 13:24:00,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:24:00,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:24:00,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:24:00,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:24:00,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:24:00,276 INFO L87 Difference]: Start difference. First operand 113 states and 159 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 13:24:00,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:24:00,307 INFO L93 Difference]: Finished difference Result 188 states and 259 transitions. [2025-02-08 13:24:00,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:24:00,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2025-02-08 13:24:00,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:24:00,309 INFO L225 Difference]: With dead ends: 188 [2025-02-08 13:24:00,309 INFO L226 Difference]: Without dead ends: 112 [2025-02-08 13:24:00,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 13:24:00,310 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:24:00,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 433 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:24:00,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2025-02-08 13:24:00,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2025-02-08 13:24:00,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 95 states have internal predecessors, (126), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 13:24:00,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 156 transitions. [2025-02-08 13:24:00,317 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 156 transitions. Word has length 45 [2025-02-08 13:24:00,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:24:00,318 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 156 transitions. [2025-02-08 13:24:00,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 13:24:00,318 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 156 transitions. [2025-02-08 13:24:00,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-08 13:24:00,319 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:24:00,319 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:24:00,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 13:24:00,319 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:24:00,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:24:00,319 INFO L85 PathProgramCache]: Analyzing trace with hash -287864079, now seen corresponding path program 1 times [2025-02-08 13:24:00,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:24:00,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133348684] [2025-02-08 13:24:00,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:00,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:24:00,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 13:24:00,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 13:24:00,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:00,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:00,412 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-02-08 13:24:00,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:24:00,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133348684] [2025-02-08 13:24:00,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133348684] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:24:00,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003273278] [2025-02-08 13:24:00,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:00,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:24:00,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:24:00,415 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 13:24:00,416 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 13:24:00,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 13:24:00,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 13:24:00,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:00,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:00,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 13:24:00,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:24:00,594 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-02-08 13:24:00,594 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:24:00,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003273278] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:24:00,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:24:00,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-08 13:24:00,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100446242] [2025-02-08 13:24:00,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:24:00,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:24:00,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:24:00,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:24:00,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:24:00,596 INFO L87 Difference]: Start difference. First operand 112 states and 156 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 13:24:00,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:24:00,633 INFO L93 Difference]: Finished difference Result 159 states and 213 transitions. [2025-02-08 13:24:00,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:24:00,633 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2025-02-08 13:24:00,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:24:00,635 INFO L225 Difference]: With dead ends: 159 [2025-02-08 13:24:00,635 INFO L226 Difference]: Without dead ends: 119 [2025-02-08 13:24:00,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 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 13:24:00,636 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 37 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:24:00,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 258 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:24:00,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-02-08 13:24:00,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 117. [2025-02-08 13:24:00,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 91 states have (on average 1.4395604395604396) internal successors, (131), 99 states have internal predecessors, (131), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-08 13:24:00,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 163 transitions. [2025-02-08 13:24:00,646 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 163 transitions. Word has length 46 [2025-02-08 13:24:00,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:24:00,647 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 163 transitions. [2025-02-08 13:24:00,647 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 13:24:00,647 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 163 transitions. [2025-02-08 13:24:00,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-08 13:24:00,648 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:24:00,648 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:24:00,658 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 13:24:00,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:24:00,849 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:24:00,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:24:00,850 INFO L85 PathProgramCache]: Analyzing trace with hash -333851843, now seen corresponding path program 1 times [2025-02-08 13:24:00,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:24:00,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498394035] [2025-02-08 13:24:00,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:00,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:24:00,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 13:24:00,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 13:24:00,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:00,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:00,955 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-02-08 13:24:00,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:24:00,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498394035] [2025-02-08 13:24:00,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498394035] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:24:00,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879860388] [2025-02-08 13:24:00,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:00,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:24:00,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:24:00,962 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 13:24:00,963 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 13:24:01,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 13:24:01,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 13:24:01,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:01,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:01,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 13:24:01,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:24:01,047 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-02-08 13:24:01,048 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:24:01,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879860388] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:24:01,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:24:01,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-08 13:24:01,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991259080] [2025-02-08 13:24:01,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:24:01,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:24:01,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:24:01,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:24:01,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:24:01,049 INFO L87 Difference]: Start difference. First operand 117 states and 163 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 13:24:01,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:24:01,073 INFO L93 Difference]: Finished difference Result 120 states and 166 transitions. [2025-02-08 13:24:01,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:24:01,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2025-02-08 13:24:01,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:24:01,075 INFO L225 Difference]: With dead ends: 120 [2025-02-08 13:24:01,075 INFO L226 Difference]: Without dead ends: 119 [2025-02-08 13:24:01,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 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 13:24:01,075 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 36 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:24:01,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 250 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:24:01,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-02-08 13:24:01,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 118. [2025-02-08 13:24:01,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 92 states have (on average 1.434782608695652) internal successors, (132), 100 states have internal predecessors, (132), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-08 13:24:01,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2025-02-08 13:24:01,082 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 47 [2025-02-08 13:24:01,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:24:01,082 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2025-02-08 13:24:01,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 13:24:01,082 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2025-02-08 13:24:01,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-08 13:24:01,083 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:24:01,084 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:24:01,089 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 13:24:01,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:24:01,288 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:24:01,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:24:01,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1409377343, now seen corresponding path program 1 times [2025-02-08 13:24:01,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:24:01,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227295891] [2025-02-08 13:24:01,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:01,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:24:01,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 13:24:01,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 13:24:01,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:01,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:01,383 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-02-08 13:24:01,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:24:01,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227295891] [2025-02-08 13:24:01,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227295891] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:24:01,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:24:01,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:24:01,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926273307] [2025-02-08 13:24:01,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:24:01,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:24:01,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:24:01,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:24:01,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:24:01,388 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-02-08 13:24:01,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:24:01,473 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2025-02-08 13:24:01,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:24:01,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 52 [2025-02-08 13:24:01,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:24:01,476 INFO L225 Difference]: With dead ends: 119 [2025-02-08 13:24:01,476 INFO L226 Difference]: Without dead ends: 118 [2025-02-08 13:24:01,477 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 13:24:01,480 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 41 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:24:01,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 254 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:24:01,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2025-02-08 13:24:01,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2025-02-08 13:24:01,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 92 states have (on average 1.423913043478261) internal successors, (131), 99 states have internal predecessors, (131), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-08 13:24:01,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 163 transitions. [2025-02-08 13:24:01,494 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 163 transitions. Word has length 52 [2025-02-08 13:24:01,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:24:01,494 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 163 transitions. [2025-02-08 13:24:01,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-02-08 13:24:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 163 transitions. [2025-02-08 13:24:01,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-08 13:24:01,499 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:24:01,500 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:24:01,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 13:24:01,500 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:24:01,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:24:01,500 INFO L85 PathProgramCache]: Analyzing trace with hash 741024687, now seen corresponding path program 1 times [2025-02-08 13:24:01,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:24:01,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906566443] [2025-02-08 13:24:01,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:01,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:24:01,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-08 13:24:01,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 13:24:01,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:01,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:01,647 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-02-08 13:24:01,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:24:01,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906566443] [2025-02-08 13:24:01,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906566443] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:24:01,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:24:01,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:24:01,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451324480] [2025-02-08 13:24:01,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:24:01,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:24:01,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:24:01,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:24:01,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:24:01,649 INFO L87 Difference]: Start difference. First operand 117 states and 163 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 13:24:01,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:24:01,682 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2025-02-08 13:24:01,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:24:01,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 53 [2025-02-08 13:24:01,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:24:01,684 INFO L225 Difference]: With dead ends: 118 [2025-02-08 13:24:01,684 INFO L226 Difference]: Without dead ends: 117 [2025-02-08 13:24:01,685 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 13:24:01,689 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 38 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:24:01,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 243 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:24:01,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-02-08 13:24:01,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 114. [2025-02-08 13:24:01,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 90 states have (on average 1.4222222222222223) internal successors, (128), 96 states have internal predecessors, (128), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-08 13:24:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2025-02-08 13:24:01,698 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 53 [2025-02-08 13:24:01,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:24:01,702 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2025-02-08 13:24:01,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 13:24:01,703 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2025-02-08 13:24:01,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-02-08 13:24:01,704 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:24:01,704 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:24:01,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 13:24:01,704 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:24:01,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:24:01,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1629025107, now seen corresponding path program 1 times [2025-02-08 13:24:01,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:24:01,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024556107] [2025-02-08 13:24:01,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:01,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:24:01,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-08 13:24:01,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-08 13:24:01,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:01,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:01,778 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-02-08 13:24:01,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:24:01,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024556107] [2025-02-08 13:24:01,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024556107] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:24:01,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280142821] [2025-02-08 13:24:01,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:01,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:24:01,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:24:01,785 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 13:24:01,786 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 13:24:01,839 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-08 13:24:01,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-08 13:24:01,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:01,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:01,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 13:24:01,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:24:01,896 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-02-08 13:24:01,896 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:24:01,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280142821] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:24:01,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:24:01,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-08 13:24:01,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128839967] [2025-02-08 13:24:01,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:24:01,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:24:01,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:24:01,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:24:01,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:24:01,898 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 13:24:01,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:24:01,934 INFO L93 Difference]: Finished difference Result 115 states and 161 transitions. [2025-02-08 13:24:01,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:24:01,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2025-02-08 13:24:01,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:24:01,936 INFO L225 Difference]: With dead ends: 115 [2025-02-08 13:24:01,936 INFO L226 Difference]: Without dead ends: 114 [2025-02-08 13:24:01,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 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 13:24:01,937 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 4 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:24:01,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 273 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:24:01,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2025-02-08 13:24:01,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2025-02-08 13:24:01,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 90 states have (on average 1.4111111111111112) internal successors, (127), 95 states have internal predecessors, (127), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-08 13:24:01,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 159 transitions. [2025-02-08 13:24:01,945 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 159 transitions. Word has length 58 [2025-02-08 13:24:01,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:24:01,945 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 159 transitions. [2025-02-08 13:24:01,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 13:24:01,945 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 159 transitions. [2025-02-08 13:24:01,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-08 13:24:01,946 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:24:01,946 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:24:01,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 13:24:02,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:24:02,150 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:24:02,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:24:02,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1039829233, now seen corresponding path program 1 times [2025-02-08 13:24:02,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:24:02,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890928654] [2025-02-08 13:24:02,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:02,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:24:02,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 13:24:02,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 13:24:02,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:02,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:02,224 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-02-08 13:24:02,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:24:02,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890928654] [2025-02-08 13:24:02,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890928654] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:24:02,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413828534] [2025-02-08 13:24:02,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:02,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:24:02,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:24:02,229 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 13:24:02,230 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 13:24:02,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 13:24:02,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 13:24:02,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:02,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:02,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 13:24:02,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:24:02,307 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-02-08 13:24:02,307 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:24:02,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413828534] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:24:02,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:24:02,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-08 13:24:02,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082185162] [2025-02-08 13:24:02,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:24:02,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:24:02,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:24:02,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:24:02,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:24:02,309 INFO L87 Difference]: Start difference. First operand 113 states and 159 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 13:24:02,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:24:02,328 INFO L93 Difference]: Finished difference Result 120 states and 168 transitions. [2025-02-08 13:24:02,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:24:02,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 59 [2025-02-08 13:24:02,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:24:02,329 INFO L225 Difference]: With dead ends: 120 [2025-02-08 13:24:02,329 INFO L226 Difference]: Without dead ends: 119 [2025-02-08 13:24:02,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 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 13:24:02,329 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 1 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:24:02,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 282 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:24:02,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-02-08 13:24:02,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 118. [2025-02-08 13:24:02,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 94 states have (on average 1.4042553191489362) internal successors, (132), 98 states have internal predecessors, (132), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-08 13:24:02,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2025-02-08 13:24:02,334 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 59 [2025-02-08 13:24:02,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:24:02,334 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2025-02-08 13:24:02,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 13:24:02,334 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2025-02-08 13:24:02,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-08 13:24:02,335 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:24:02,335 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:24:02,341 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 13:24:02,539 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,SelfDestructingSolverStorable9 [2025-02-08 13:24:02,539 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:24:02,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:24:02,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1139124318, now seen corresponding path program 1 times [2025-02-08 13:24:02,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:24:02,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648497841] [2025-02-08 13:24:02,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:02,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:24:02,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 13:24:02,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 13:24:02,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:02,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:02,581 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-08 13:24:02,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:24:02,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648497841] [2025-02-08 13:24:02,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648497841] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:24:02,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785063094] [2025-02-08 13:24:02,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:02,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:24:02,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:24:02,586 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 13:24:02,587 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 13:24:02,666 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 13:24:02,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 13:24:02,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:02,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:02,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 13:24:02,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:24:02,707 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-02-08 13:24:02,707 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:24:02,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785063094] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:24:02,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:24:02,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-08 13:24:02,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138582963] [2025-02-08 13:24:02,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:24:02,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:24:02,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:24:02,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:24:02,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:24:02,708 INFO L87 Difference]: Start difference. First operand 118 states and 166 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-08 13:24:02,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:24:02,726 INFO L93 Difference]: Finished difference Result 119 states and 167 transitions. [2025-02-08 13:24:02,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:24:02,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 64 [2025-02-08 13:24:02,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:24:02,727 INFO L225 Difference]: With dead ends: 119 [2025-02-08 13:24:02,727 INFO L226 Difference]: Without dead ends: 118 [2025-02-08 13:24:02,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 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 13:24:02,728 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 273 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 13:24:02,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 273 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:24:02,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2025-02-08 13:24:02,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 112. [2025-02-08 13:24:02,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 90 states have (on average 1.4) internal successors, (126), 94 states have internal predecessors, (126), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-08 13:24:02,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2025-02-08 13:24:02,732 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 64 [2025-02-08 13:24:02,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:24:02,732 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2025-02-08 13:24:02,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-08 13:24:02,733 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2025-02-08 13:24:02,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-08 13:24:02,733 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:24:02,733 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:24:02,743 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 13:24:02,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-02-08 13:24:02,934 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:24:02,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:24:02,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1545367474, now seen corresponding path program 1 times [2025-02-08 13:24:02,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:24:02,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664251961] [2025-02-08 13:24:02,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:02,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:24:02,941 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 13:24:02,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 13:24:02,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:02,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:02,987 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-02-08 13:24:02,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:24:02,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664251961] [2025-02-08 13:24:02,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664251961] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:24:02,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820708875] [2025-02-08 13:24:02,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:02,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:24:02,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:24:02,994 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 13:24:02,995 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 13:24:03,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 13:24:03,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 13:24:03,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:03,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:03,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 13:24:03,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:24:03,081 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-02-08 13:24:03,082 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:24:03,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820708875] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:24:03,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:24:03,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-08 13:24:03,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699461794] [2025-02-08 13:24:03,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:24:03,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:24:03,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:24:03,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:24:03,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:24:03,084 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-08 13:24:03,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:24:03,104 INFO L93 Difference]: Finished difference Result 112 states and 158 transitions. [2025-02-08 13:24:03,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:24:03,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 71 [2025-02-08 13:24:03,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:24:03,105 INFO L225 Difference]: With dead ends: 112 [2025-02-08 13:24:03,105 INFO L226 Difference]: Without dead ends: 111 [2025-02-08 13:24:03,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 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 13:24:03,106 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 3 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:24:03,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 274 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:24:03,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2025-02-08 13:24:03,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2025-02-08 13:24:03,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3888888888888888) internal successors, (125), 93 states have internal predecessors, (125), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-08 13:24:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2025-02-08 13:24:03,112 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 71 [2025-02-08 13:24:03,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:24:03,112 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2025-02-08 13:24:03,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-08 13:24:03,113 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2025-02-08 13:24:03,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-08 13:24:03,114 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:24:03,114 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:24:03,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 13:24:03,314 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,SelfDestructingSolverStorable11 [2025-02-08 13:24:03,315 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:24:03,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:24:03,316 INFO L85 PathProgramCache]: Analyzing trace with hash -661751455, now seen corresponding path program 1 times [2025-02-08 13:24:03,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:24:03,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479267772] [2025-02-08 13:24:03,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:03,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:24:03,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-08 13:24:03,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 13:24:03,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:03,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:03,385 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-02-08 13:24:03,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:24:03,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479267772] [2025-02-08 13:24:03,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479267772] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:24:03,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659223595] [2025-02-08 13:24:03,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:03,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:24:03,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:24:03,390 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 13:24:03,391 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 13:24:03,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-08 13:24:03,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 13:24:03,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:03,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:03,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 13:24:03,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:24:03,531 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-02-08 13:24:03,531 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:24:03,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659223595] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:24:03,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:24:03,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-08 13:24:03,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89087067] [2025-02-08 13:24:03,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:24:03,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:24:03,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:24:03,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:24:03,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:24:03,532 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-08 13:24:03,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:24:03,561 INFO L93 Difference]: Finished difference Result 117 states and 163 transitions. [2025-02-08 13:24:03,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:24:03,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 72 [2025-02-08 13:24:03,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:24:03,563 INFO L225 Difference]: With dead ends: 117 [2025-02-08 13:24:03,563 INFO L226 Difference]: Without dead ends: 111 [2025-02-08 13:24:03,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 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 13:24:03,563 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:24:03,563 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 285 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:24:03,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2025-02-08 13:24:03,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2025-02-08 13:24:03,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3777777777777778) internal successors, (124), 93 states have internal predecessors, (124), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-08 13:24:03,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 156 transitions. [2025-02-08 13:24:03,572 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 156 transitions. Word has length 72 [2025-02-08 13:24:03,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:24:03,572 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 156 transitions. [2025-02-08 13:24:03,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-08 13:24:03,572 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 156 transitions. [2025-02-08 13:24:03,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-08 13:24:03,572 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:24:03,573 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:24:03,585 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 13:24:03,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:24:03,780 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:24:03,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:24:03,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1825761378, now seen corresponding path program 1 times [2025-02-08 13:24:03,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:24:03,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249940253] [2025-02-08 13:24:03,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:03,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:24:03,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-08 13:24:03,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 13:24:03,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:03,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:03,865 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-02-08 13:24:03,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:24:03,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249940253] [2025-02-08 13:24:03,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249940253] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:24:03,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795130804] [2025-02-08 13:24:03,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:24:03,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:24:03,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:24:03,871 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 13:24:03,880 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 13:24:03,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-08 13:24:03,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 13:24:03,937 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:24:03,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:24:03,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 13:24:03,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:24:03,957 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-02-08 13:24:03,958 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:24:03,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795130804] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:24:03,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:24:03,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-08 13:24:03,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98593776] [2025-02-08 13:24:03,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:24:03,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:24:03,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:24:03,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:24:03,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:24:03,959 INFO L87 Difference]: Start difference. First operand 111 states and 156 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-08 13:24:03,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:24:03,976 INFO L93 Difference]: Finished difference Result 111 states and 156 transitions. [2025-02-08 13:24:03,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:24:03,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 72 [2025-02-08 13:24:03,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:24:03,976 INFO L225 Difference]: With dead ends: 111 [2025-02-08 13:24:03,976 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 13:24:03,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 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 13:24:03,977 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:24:03,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 273 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:24:03,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 13:24:03,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 13:24:03,979 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 13:24:03,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 13:24:03,979 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2025-02-08 13:24:03,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:24:03,979 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 13:24:03,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-08 13:24:03,979 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 13:24:03,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 13:24:03,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2025-02-08 13:24:03,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2025-02-08 13:24:03,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-02-08 13:24:03,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-02-08 13:24:03,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-02-08 13:24:03,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-02-08 13:24:03,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-02-08 13:24:03,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-02-08 13:24:03,988 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 13:24:04,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:24:04,185 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:24:04,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 13:24:04,249 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 13:24:04,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 01:24:04 BoogieIcfgContainer [2025-02-08 13:24:04,253 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 13:24:04,253 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 13:24:04,254 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 13:24:04,254 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 13:24:04,254 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:23:59" (3/4) ... [2025-02-08 13:24:04,256 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 13:24:04,259 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printLine [2025-02-08 13:24:04,259 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2025-02-08 13:24:04,259 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printIntLine [2025-02-08 13:24:04,259 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2025-02-08 13:24:04,265 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-02-08 13:24:04,267 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-08 13:24:04,267 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 13:24:04,267 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 13:24:04,329 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 13:24:04,329 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 13:24:04,330 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 13:24:04,330 INFO L158 Benchmark]: Toolchain (without parser) took 6103.75ms. Allocated memory is still 201.3MB. Free memory was 155.1MB in the beginning and 102.4MB in the end (delta: 52.7MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2025-02-08 13:24:04,330 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 209.7MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 13:24:04,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 699.44ms. Allocated memory is still 201.3MB. Free memory was 155.1MB in the beginning and 93.3MB in the end (delta: 61.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-02-08 13:24:04,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.82ms. Allocated memory is still 201.3MB. Free memory was 93.3MB in the beginning and 89.9MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 13:24:04,331 INFO L158 Benchmark]: Boogie Preprocessor took 44.19ms. Allocated memory is still 201.3MB. Free memory was 89.9MB in the beginning and 88.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 13:24:04,331 INFO L158 Benchmark]: IcfgBuilder took 447.97ms. Allocated memory is still 201.3MB. Free memory was 88.0MB in the beginning and 62.0MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 13:24:04,331 INFO L158 Benchmark]: TraceAbstraction took 4772.84ms. Allocated memory is still 201.3MB. Free memory was 61.4MB in the beginning and 110.4MB in the end (delta: -49.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 13:24:04,331 INFO L158 Benchmark]: Witness Printer took 76.13ms. Allocated memory is still 201.3MB. Free memory was 110.4MB in the beginning and 102.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 13:24:04,332 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 209.7MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 699.44ms. Allocated memory is still 201.3MB. Free memory was 155.1MB in the beginning and 93.3MB in the end (delta: 61.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.82ms. Allocated memory is still 201.3MB. Free memory was 93.3MB in the beginning and 89.9MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.19ms. Allocated memory is still 201.3MB. Free memory was 89.9MB in the beginning and 88.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 447.97ms. Allocated memory is still 201.3MB. Free memory was 88.0MB in the beginning and 62.0MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4772.84ms. Allocated memory is still 201.3MB. Free memory was 61.4MB in the beginning and 110.4MB in the end (delta: -49.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 76.13ms. Allocated memory is still 201.3MB. Free memory was 110.4MB in the beginning and 102.4MB in the end (delta: 8.1MB). 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: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: 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 5 procedures, 122 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 244 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 4090 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2043 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 314 IncrementalHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 2047 mSDtfsCounter, 314 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 529 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=0, InterpolantAutomatonStates: 44, 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, 14 MinimizatonAttempts, 16 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1204 NumberOfCodeBlocks, 1204 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1182 ConstructedInterpolants, 0 QuantifiedInterpolants, 1434 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1513 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 22 InterpolantComputations, 14 PerfectInterpolantSequences, 529/569 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 13:24:04,343 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