./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_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/CWE190_Integer_Overflow__int_rand_add_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 7c0da28a3279531ae99c6f3d9af54307d4e61fead8521ccf951ebb6280d11476 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 12:06:53,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 12:06:53,660 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-08 12:06:53,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 12:06:53,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 12:06:53,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 12:06:53,716 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 12:06:53,716 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 12:06:53,717 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 12:06:53,717 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 12:06:53,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 12:06:53,717 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 12:06:53,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 12:06:53,717 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 12:06:53,717 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 12:06:53,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 12:06:53,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 12:06:53,717 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 12:06:53,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 12:06:53,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 12:06:53,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 12:06:53,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 12:06:53,718 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 12:06:53,718 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 12:06:53,718 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 12:06:53,718 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 12:06:53,718 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 12:06:53,718 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 12:06:53,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 12:06:53,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 12:06:53,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 12:06:53,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 12:06:53,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 12:06:53,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 12:06:53,723 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 12:06:53,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 12:06:53,723 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 12:06:53,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 12:06:53,723 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 12:06:53,723 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 12:06:53,723 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 12:06:53,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 12:06:53,723 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 -> 7c0da28a3279531ae99c6f3d9af54307d4e61fead8521ccf951ebb6280d11476 [2025-02-08 12:06:54,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 12:06:54,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 12:06:54,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 12:06:54,194 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 12:06:54,194 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 12:06:54,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_08_good.i [2025-02-08 12:06:55,483 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/31cf44991/a9bf4848c0624123a694e6ba74be884f/FLAGed4075552 [2025-02-08 12:06:56,486 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 12:06:56,486 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_08_good.i [2025-02-08 12:06:56,510 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/31cf44991/a9bf4848c0624123a694e6ba74be884f/FLAGed4075552 [2025-02-08 12:06:56,526 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/31cf44991/a9bf4848c0624123a694e6ba74be884f [2025-02-08 12:06:56,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 12:06:56,529 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 12:06:56,531 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 12:06:56,531 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 12:06:56,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 12:06:56,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:06:56" (1/1) ... [2025-02-08 12:06:56,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77b13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:06:56, skipping insertion in model container [2025-02-08 12:06:56,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:06:56" (1/1) ... [2025-02-08 12:06:56,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 12:06:57,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 12:06:57,158 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 12:06:57,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 12:06:57,336 INFO L204 MainTranslator]: Completed translation [2025-02-08 12:06:57,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:06:57 WrapperNode [2025-02-08 12:06:57,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 12:06:57,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 12:06:57,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 12:06:57,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 12:06:57,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:06:57" (1/1) ... [2025-02-08 12:06:57,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:06:57" (1/1) ... [2025-02-08 12:06:57,395 INFO L138 Inliner]: procedures = 503, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 225 [2025-02-08 12:06:57,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 12:06:57,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 12:06:57,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 12:06:57,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 12:06:57,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:06:57" (1/1) ... [2025-02-08 12:06:57,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:06:57" (1/1) ... [2025-02-08 12:06:57,406 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:06:57" (1/1) ... [2025-02-08 12:06:57,424 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-08 12:06:57,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:06:57" (1/1) ... [2025-02-08 12:06:57,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:06:57" (1/1) ... [2025-02-08 12:06:57,431 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:06:57" (1/1) ... [2025-02-08 12:06:57,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:06:57" (1/1) ... [2025-02-08 12:06:57,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:06:57" (1/1) ... [2025-02-08 12:06:57,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:06:57" (1/1) ... [2025-02-08 12:06:57,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 12:06:57,443 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 12:06:57,443 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 12:06:57,443 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 12:06:57,444 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:06:57" (1/1) ... [2025-02-08 12:06:57,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 12:06:57,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 12:06:57,473 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 12:06:57,476 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 12:06:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-02-08 12:06:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-02-08 12:06:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-02-08 12:06:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-02-08 12:06:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 12:06:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 12:06:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 12:06:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2025-02-08 12:06:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2025-02-08 12:06:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2025-02-08 12:06:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2025-02-08 12:06:57,631 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 12:06:57,632 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 12:06:57,968 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2025-02-08 12:06:57,968 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 12:06:57,984 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 12:06:57,985 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 12:06:57,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:06:57 BoogieIcfgContainer [2025-02-08 12:06:57,985 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 12:06:57,987 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 12:06:57,987 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 12:06:57,991 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 12:06:57,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 12:06:56" (1/3) ... [2025-02-08 12:06:57,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73cb5442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 12:06:57, skipping insertion in model container [2025-02-08 12:06:57,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:06:57" (2/3) ... [2025-02-08 12:06:57,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73cb5442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 12:06:57, skipping insertion in model container [2025-02-08 12:06:57,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:06:57" (3/3) ... [2025-02-08 12:06:57,994 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_08_good.i [2025-02-08 12:06:58,008 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 12:06:58,009 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_rand_add_08_good.i that has 5 procedures, 122 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-02-08 12:06:58,058 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 12:06:58,066 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;@470772ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 12:06:58,069 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-08 12:06:58,073 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 12:06:58,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-08 12:06:58,085 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 12:06:58,085 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 12:06:58,085 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 12:06:58,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 12:06:58,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1726696209, now seen corresponding path program 1 times [2025-02-08 12:06:58,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 12:06:58,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41344574] [2025-02-08 12:06:58,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:06:58,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 12:06:58,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 12:06:58,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 12:06:58,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:06:58,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:06:58,353 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 12:06:58,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 12:06:58,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41344574] [2025-02-08 12:06:58,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41344574] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 12:06:58,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 12:06:58,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 12:06:58,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390847326] [2025-02-08 12:06:58,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 12:06:58,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 12:06:58,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 12:06:58,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 12:06:58,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 12:06:58,381 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 12:06:58,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 12:06:58,461 INFO L93 Difference]: Finished difference Result 216 states and 300 transitions. [2025-02-08 12:06:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 12:06:58,463 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 12:06:58,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 12:06:58,472 INFO L225 Difference]: With dead ends: 216 [2025-02-08 12:06:58,475 INFO L226 Difference]: Without dead ends: 115 [2025-02-08 12:06:58,478 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 12:06:58,481 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 12:06:58,481 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 12:06:58,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-02-08 12:06:58,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2025-02-08 12:06:58,512 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 12:06:58,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2025-02-08 12:06:58,520 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 21 [2025-02-08 12:06:58,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 12:06:58,524 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2025-02-08 12:06:58,524 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 12:06:58,525 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2025-02-08 12:06:58,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-08 12:06:58,525 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 12:06:58,525 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 12:06:58,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 12:06:58,526 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 12:06:58,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 12:06:58,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1572475169, now seen corresponding path program 1 times [2025-02-08 12:06:58,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 12:06:58,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850864437] [2025-02-08 12:06:58,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:06:58,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 12:06:58,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 12:06:58,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 12:06:58,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:06:58,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:06:58,728 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 12:06:58,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 12:06:58,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850864437] [2025-02-08 12:06:58,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850864437] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 12:06:58,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 12:06:58,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 12:06:58,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84081966] [2025-02-08 12:06:58,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 12:06:58,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 12:06:58,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 12:06:58,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 12:06:58,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 12:06:58,732 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), 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 12:06:58,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 12:06:58,780 INFO L93 Difference]: Finished difference Result 116 states and 162 transitions. [2025-02-08 12:06:58,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 12:06:58,781 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), 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 27 [2025-02-08 12:06:58,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 12:06:58,782 INFO L225 Difference]: With dead ends: 116 [2025-02-08 12:06:58,785 INFO L226 Difference]: Without dead ends: 115 [2025-02-08 12:06:58,785 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 12:06:58,786 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 38 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 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, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 12:06:58,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 254 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 12:06:58,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-02-08 12:06:58,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2025-02-08 12:06:58,794 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 12:06:58,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2025-02-08 12:06:58,796 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 27 [2025-02-08 12:06:58,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 12:06:58,796 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2025-02-08 12:06:58,796 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), 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 12:06:58,796 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2025-02-08 12:06:58,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-08 12:06:58,797 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 12:06:58,797 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 12:06:58,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 12:06:58,797 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 12:06:58,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 12:06:58,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1502089910, now seen corresponding path program 1 times [2025-02-08 12:06:58,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 12:06:58,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514273954] [2025-02-08 12:06:58,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:06:58,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 12:06:58,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 12:06:58,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 12:06:58,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:06:58,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:06:58,829 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 12:06:58,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 12:06:58,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514273954] [2025-02-08 12:06:58,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514273954] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 12:06:58,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 12:06:58,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 12:06:58,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953299598] [2025-02-08 12:06:58,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 12:06:58,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 12:06:58,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 12:06:58,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 12:06:58,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 12:06:58,831 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), 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 12:06:58,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 12:06:58,854 INFO L93 Difference]: Finished difference Result 114 states and 160 transitions. [2025-02-08 12:06:58,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 12:06:58,854 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), 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 28 [2025-02-08 12:06:58,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 12:06:58,855 INFO L225 Difference]: With dead ends: 114 [2025-02-08 12:06:58,855 INFO L226 Difference]: Without dead ends: 113 [2025-02-08 12:06:58,855 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 12:06:58,856 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 36 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 12:06:58,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 260 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 12:06:58,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2025-02-08 12:06:58,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2025-02-08 12:06:58,862 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 12:06:58,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 159 transitions. [2025-02-08 12:06:58,863 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 159 transitions. Word has length 28 [2025-02-08 12:06:58,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 12:06:58,863 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 159 transitions. [2025-02-08 12:06:58,863 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), 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 12:06:58,863 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 159 transitions. [2025-02-08 12:06:58,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 12:06:58,864 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 12:06:58,864 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 12:06:58,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 12:06:58,864 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 12:06:58,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 12:06:58,865 INFO L85 PathProgramCache]: Analyzing trace with hash 806784292, now seen corresponding path program 1 times [2025-02-08 12:06:58,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 12:06:58,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510568393] [2025-02-08 12:06:58,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:06:58,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 12:06:58,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 12:06:58,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 12:06:58,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:06:58,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:06:58,955 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 12:06:58,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 12:06:58,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510568393] [2025-02-08 12:06:58,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510568393] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 12:06:58,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 12:06:58,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 12:06:58,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418273941] [2025-02-08 12:06:58,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 12:06:58,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 12:06:58,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 12:06:58,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 12:06:58,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 12:06:58,958 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 12:06:59,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 12:06:59,023 INFO L93 Difference]: Finished difference Result 188 states and 259 transitions. [2025-02-08 12:06:59,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 12:06:59,023 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 12:06:59,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 12:06:59,024 INFO L225 Difference]: With dead ends: 188 [2025-02-08 12:06:59,024 INFO L226 Difference]: Without dead ends: 112 [2025-02-08 12:06:59,025 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 12:06:59,025 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 12:06:59,025 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 12:06:59,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2025-02-08 12:06:59,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2025-02-08 12:06:59,034 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 12:06:59,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 156 transitions. [2025-02-08 12:06:59,038 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 156 transitions. Word has length 45 [2025-02-08 12:06:59,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 12:06:59,039 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 156 transitions. [2025-02-08 12:06:59,039 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 12:06:59,039 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 156 transitions. [2025-02-08 12:06:59,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-08 12:06:59,040 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 12:06:59,040 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 12:06:59,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 12:06:59,040 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 12:06:59,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 12:06:59,040 INFO L85 PathProgramCache]: Analyzing trace with hash -287864079, now seen corresponding path program 1 times [2025-02-08 12:06:59,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 12:06:59,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664658815] [2025-02-08 12:06:59,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:06:59,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 12:06:59,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 12:06:59,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 12:06:59,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:06:59,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:06:59,117 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 12:06:59,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 12:06:59,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664658815] [2025-02-08 12:06:59,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664658815] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 12:06:59,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154869220] [2025-02-08 12:06:59,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:06:59,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 12:06:59,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 12:06:59,124 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 12:06:59,125 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 12:06:59,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 12:06:59,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 12:06:59,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:06:59,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:06:59,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 12:06:59,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 12:06:59,258 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 12:06:59,259 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 12:06:59,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154869220] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 12:06:59,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 12:06:59,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-08 12:06:59,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647011590] [2025-02-08 12:06:59,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 12:06:59,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 12:06:59,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 12:06:59,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 12:06:59,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 12:06:59,260 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 12:06:59,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 12:06:59,304 INFO L93 Difference]: Finished difference Result 120 states and 168 transitions. [2025-02-08 12:06:59,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 12:06:59,304 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 12:06:59,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 12:06:59,305 INFO L225 Difference]: With dead ends: 120 [2025-02-08 12:06:59,305 INFO L226 Difference]: Without dead ends: 119 [2025-02-08 12:06:59,306 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 12:06:59,306 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 37 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 12:06:59,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 258 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 12:06:59,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-02-08 12:06:59,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 117. [2025-02-08 12:06:59,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 91 states have (on average 1.4505494505494505) internal successors, (132), 99 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 12:06:59,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 164 transitions. [2025-02-08 12:06:59,320 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 164 transitions. Word has length 46 [2025-02-08 12:06:59,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 12:06:59,320 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 164 transitions. [2025-02-08 12:06:59,320 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 12:06:59,320 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 164 transitions. [2025-02-08 12:06:59,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-08 12:06:59,321 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 12:06:59,321 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 12:06:59,329 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 12:06:59,522 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 12:06:59,522 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 12:06:59,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 12:06:59,523 INFO L85 PathProgramCache]: Analyzing trace with hash -333851843, now seen corresponding path program 1 times [2025-02-08 12:06:59,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 12:06:59,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2859185] [2025-02-08 12:06:59,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:06:59,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 12:06:59,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 12:06:59,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 12:06:59,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:06:59,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:06:59,615 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 12:06:59,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 12:06:59,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2859185] [2025-02-08 12:06:59,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2859185] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 12:06:59,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046401581] [2025-02-08 12:06:59,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:06:59,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 12:06:59,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 12:06:59,622 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 12:06:59,623 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 12:06:59,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 12:06:59,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 12:06:59,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:06:59,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:06:59,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 12:06:59,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 12:06:59,726 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 12:06:59,727 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 12:06:59,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046401581] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 12:06:59,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 12:06:59,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-08 12:06:59,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858980282] [2025-02-08 12:06:59,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 12:06:59,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 12:06:59,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 12:06:59,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 12:06:59,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 12:06:59,728 INFO L87 Difference]: Start difference. First operand 117 states and 164 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 12:06:59,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 12:06:59,760 INFO L93 Difference]: Finished difference Result 159 states and 212 transitions. [2025-02-08 12:06:59,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 12:06:59,760 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 12:06:59,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 12:06:59,761 INFO L225 Difference]: With dead ends: 159 [2025-02-08 12:06:59,761 INFO L226 Difference]: Without dead ends: 119 [2025-02-08 12:06:59,762 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 12:06:59,762 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 36 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 12:06:59,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 258 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 12:06:59,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-02-08 12:06:59,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 118. [2025-02-08 12:06:59,770 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 12:06:59,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2025-02-08 12:06:59,771 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 47 [2025-02-08 12:06:59,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 12:06:59,771 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2025-02-08 12:06:59,772 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 12:06:59,772 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2025-02-08 12:06:59,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-08 12:06:59,776 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 12:06:59,776 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 12:06:59,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 12:06:59,977 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 12:06:59,977 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 12:06:59,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 12:06:59,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1409377343, now seen corresponding path program 1 times [2025-02-08 12:06:59,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 12:06:59,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72456100] [2025-02-08 12:06:59,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:06:59,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 12:06:59,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 12:07:00,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 12:07:00,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:07:00,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:07:00,080 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 12:07:00,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 12:07:00,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72456100] [2025-02-08 12:07:00,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72456100] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 12:07:00,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 12:07:00,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 12:07:00,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776982968] [2025-02-08 12:07:00,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 12:07:00,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 12:07:00,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 12:07:00,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 12:07:00,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 12:07:00,081 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), 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 12:07:00,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 12:07:00,103 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2025-02-08 12:07:00,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 12:07:00,104 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), 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 52 [2025-02-08 12:07:00,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 12:07:00,105 INFO L225 Difference]: With dead ends: 119 [2025-02-08 12:07:00,105 INFO L226 Difference]: Without dead ends: 118 [2025-02-08 12:07:00,105 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 12:07:00,106 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 39 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 12:07:00,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 243 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 12:07:00,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2025-02-08 12:07:00,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2025-02-08 12:07:00,110 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 12:07:00,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 163 transitions. [2025-02-08 12:07:00,111 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 163 transitions. Word has length 52 [2025-02-08 12:07:00,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 12:07:00,111 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 163 transitions. [2025-02-08 12:07:00,111 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), 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 12:07:00,112 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 163 transitions. [2025-02-08 12:07:00,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-08 12:07:00,112 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 12:07:00,112 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 12:07:00,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 12:07:00,113 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 12:07:00,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 12:07:00,113 INFO L85 PathProgramCache]: Analyzing trace with hash 741024687, now seen corresponding path program 1 times [2025-02-08 12:07:00,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 12:07:00,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544911167] [2025-02-08 12:07:00,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:07:00,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 12:07:00,120 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-08 12:07:00,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 12:07:00,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:07:00,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:07:00,149 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 12:07:00,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 12:07:00,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544911167] [2025-02-08 12:07:00,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544911167] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 12:07:00,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 12:07:00,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 12:07:00,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816743581] [2025-02-08 12:07:00,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 12:07:00,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 12:07:00,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 12:07:00,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 12:07:00,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 12:07:00,151 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), 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 12:07:00,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 12:07:00,187 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2025-02-08 12:07:00,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 12:07:00,188 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), 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 53 [2025-02-08 12:07:00,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 12:07:00,189 INFO L225 Difference]: With dead ends: 118 [2025-02-08 12:07:00,189 INFO L226 Difference]: Without dead ends: 117 [2025-02-08 12:07:00,189 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 12:07:00,190 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 40 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 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 12:07:00,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 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 12:07:00,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-02-08 12:07:00,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 114. [2025-02-08 12:07:00,201 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 12:07:00,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2025-02-08 12:07:00,202 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 53 [2025-02-08 12:07:00,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 12:07:00,202 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2025-02-08 12:07:00,202 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), 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 12:07:00,202 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2025-02-08 12:07:00,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-02-08 12:07:00,202 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 12:07:00,202 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 12:07:00,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 12:07:00,203 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 12:07:00,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 12:07:00,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1629025107, now seen corresponding path program 1 times [2025-02-08 12:07:00,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 12:07:00,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115920160] [2025-02-08 12:07:00,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:07:00,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 12:07:00,215 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-08 12:07:00,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-08 12:07:00,223 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:07:00,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:07:00,283 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 12:07:00,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 12:07:00,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115920160] [2025-02-08 12:07:00,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115920160] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 12:07:00,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461970887] [2025-02-08 12:07:00,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:07:00,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 12:07:00,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 12:07:00,285 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 12:07:00,287 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 12:07:00,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-08 12:07:00,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-08 12:07:00,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:07:00,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:07:00,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 12:07:00,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 12:07:00,360 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 12:07:00,361 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 12:07:00,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461970887] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 12:07:00,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 12:07:00,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-08 12:07:00,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155108793] [2025-02-08 12:07:00,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 12:07:00,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 12:07:00,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 12:07:00,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 12:07:00,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 12:07:00,362 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 12:07:00,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 12:07:00,382 INFO L93 Difference]: Finished difference Result 121 states and 170 transitions. [2025-02-08 12:07:00,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 12:07:00,382 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 12:07:00,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 12:07:00,383 INFO L225 Difference]: With dead ends: 121 [2025-02-08 12:07:00,383 INFO L226 Difference]: Without dead ends: 120 [2025-02-08 12:07:00,383 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 12:07:00,384 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 2 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 12:07:00,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 282 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 12:07:00,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-02-08 12:07:00,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2025-02-08 12:07:00,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 93 states have (on average 1.4193548387096775) 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 12:07:00,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2025-02-08 12:07:00,390 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 58 [2025-02-08 12:07:00,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 12:07:00,390 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2025-02-08 12:07:00,390 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 12:07:00,391 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2025-02-08 12:07:00,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-08 12:07:00,392 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 12:07:00,392 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 12:07:00,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 12:07:00,592 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 12:07:00,593 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 12:07:00,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 12:07:00,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1039829233, now seen corresponding path program 1 times [2025-02-08 12:07:00,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 12:07:00,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384073250] [2025-02-08 12:07:00,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:07:00,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 12:07:00,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 12:07:00,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 12:07:00,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:07:00,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:07:00,646 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 12:07:00,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 12:07:00,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384073250] [2025-02-08 12:07:00,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384073250] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 12:07:00,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688552554] [2025-02-08 12:07:00,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:07:00,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 12:07:00,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 12:07:00,651 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 12:07:00,652 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 12:07:00,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 12:07:00,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 12:07:00,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:07:00,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:07:00,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 12:07:00,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 12:07:00,741 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 12:07:00,742 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 12:07:00,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688552554] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 12:07:00,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 12:07:00,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-08 12:07:00,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785674458] [2025-02-08 12:07:00,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 12:07:00,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 12:07:00,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 12:07:00,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 12:07:00,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 12:07:00,743 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, (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 12:07:00,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 12:07:00,770 INFO L93 Difference]: Finished difference Result 119 states and 167 transitions. [2025-02-08 12:07:00,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 12:07:00,771 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 12:07:00,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 12:07:00,772 INFO L225 Difference]: With dead ends: 119 [2025-02-08 12:07:00,772 INFO L226 Difference]: Without dead ends: 118 [2025-02-08 12:07:00,773 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 12:07:00,773 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 3 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 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 12:07:00,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 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 12:07:00,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2025-02-08 12:07:00,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2025-02-08 12:07:00,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 93 states have (on average 1.4086021505376345) internal successors, (131), 97 states have internal predecessors, (131), 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 12:07:00,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 165 transitions. [2025-02-08 12:07:00,780 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 165 transitions. Word has length 59 [2025-02-08 12:07:00,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 12:07:00,780 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 165 transitions. [2025-02-08 12:07:00,780 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 12:07:00,780 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 165 transitions. [2025-02-08 12:07:00,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-02-08 12:07:00,782 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 12:07:00,782 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] [2025-02-08 12:07:00,790 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 12:07:00,987 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 12:07:00,988 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 12:07:00,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 12:07:00,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1764369372, now seen corresponding path program 1 times [2025-02-08 12:07:00,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 12:07:00,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454667854] [2025-02-08 12:07:00,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:07:00,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 12:07:01,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 12:07:01,014 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 12:07:01,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:07:01,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:07:01,056 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 12:07:01,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 12:07:01,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454667854] [2025-02-08 12:07:01,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454667854] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 12:07:01,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461704954] [2025-02-08 12:07:01,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:07:01,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 12:07:01,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 12:07:01,062 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 12:07:01,064 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 12:07:01,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 12:07:01,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 12:07:01,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:07:01,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:07:01,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 12:07:01,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 12:07:01,157 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 12:07:01,158 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 12:07:01,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461704954] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 12:07:01,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 12:07:01,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-08 12:07:01,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510519227] [2025-02-08 12:07:01,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 12:07:01,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 12:07:01,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 12:07:01,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 12:07:01,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 12:07:01,161 INFO L87 Difference]: Start difference. First operand 117 states and 165 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, (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 12:07:01,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 12:07:01,182 INFO L93 Difference]: Finished difference Result 118 states and 166 transitions. [2025-02-08 12:07:01,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 12:07:01,182 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, (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 63 [2025-02-08 12:07:01,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 12:07:01,183 INFO L225 Difference]: With dead ends: 118 [2025-02-08 12:07:01,184 INFO L226 Difference]: Without dead ends: 117 [2025-02-08 12:07:01,184 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 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 12:07:01,185 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 2 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 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 12:07:01,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 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 12:07:01,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-02-08 12:07:01,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 112. [2025-02-08 12:07:01,189 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 12:07:01,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2025-02-08 12:07:01,190 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 63 [2025-02-08 12:07:01,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 12:07:01,190 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2025-02-08 12:07:01,190 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, (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 12:07:01,190 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2025-02-08 12:07:01,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-08 12:07:01,191 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 12:07:01,191 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 12:07:01,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 12:07:01,396 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 12:07:01,397 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 12:07:01,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 12:07:01,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1545367474, now seen corresponding path program 1 times [2025-02-08 12:07:01,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 12:07:01,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698358704] [2025-02-08 12:07:01,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:07:01,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 12:07:01,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 12:07:01,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 12:07:01,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:07:01,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:07:01,445 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 12:07:01,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 12:07:01,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698358704] [2025-02-08 12:07:01,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698358704] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 12:07:01,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400150140] [2025-02-08 12:07:01,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:07:01,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 12:07:01,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 12:07:01,451 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 12:07:01,452 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 12:07:01,530 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 12:07:01,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 12:07:01,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:07:01,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:07:01,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 12:07:01,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 12:07:01,588 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 12:07:01,589 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 12:07:01,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400150140] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 12:07:01,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 12:07:01,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-08 12:07:01,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735100668] [2025-02-08 12:07:01,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 12:07:01,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 12:07:01,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 12:07:01,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 12:07:01,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 12:07:01,594 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 12:07:01,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 12:07:01,624 INFO L93 Difference]: Finished difference Result 118 states and 165 transitions. [2025-02-08 12:07:01,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 12:07:01,624 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 12:07:01,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 12:07:01,625 INFO L225 Difference]: With dead ends: 118 [2025-02-08 12:07:01,628 INFO L226 Difference]: Without dead ends: 117 [2025-02-08 12:07:01,629 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 12:07:01,629 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 12:07:01,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 281 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 12:07:01,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-02-08 12:07:01,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 116. [2025-02-08 12:07:01,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 93 states have (on average 1.3870967741935485) internal successors, (129), 97 states have internal predecessors, (129), 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 12:07:01,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 163 transitions. [2025-02-08 12:07:01,637 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 163 transitions. Word has length 71 [2025-02-08 12:07:01,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 12:07:01,637 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 163 transitions. [2025-02-08 12:07:01,637 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 12:07:01,638 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 163 transitions. [2025-02-08 12:07:01,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-08 12:07:01,638 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 12:07:01,638 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 12:07:01,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-08 12:07:01,843 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 12:07:01,844 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 12:07:01,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 12:07:01,845 INFO L85 PathProgramCache]: Analyzing trace with hash 197442861, now seen corresponding path program 1 times [2025-02-08 12:07:01,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 12:07:01,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023233571] [2025-02-08 12:07:01,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:07:01,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 12:07:01,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 12:07:01,861 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 12:07:01,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:07:01,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:07:01,929 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 12:07:01,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 12:07:01,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023233571] [2025-02-08 12:07:01,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023233571] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 12:07:01,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204362599] [2025-02-08 12:07:01,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:07:01,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 12:07:01,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 12:07:01,931 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 12:07:01,934 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 12:07:01,975 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 12:07:01,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 12:07:01,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:07:01,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:07:01,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 12:07:01,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 12:07:02,009 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 12:07:02,009 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 12:07:02,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204362599] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 12:07:02,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 12:07:02,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-08 12:07:02,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587891724] [2025-02-08 12:07:02,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 12:07:02,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 12:07:02,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 12:07:02,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 12:07:02,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 12:07:02,010 INFO L87 Difference]: Start difference. First operand 116 states and 163 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 12:07:02,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 12:07:02,041 INFO L93 Difference]: Finished difference Result 116 states and 163 transitions. [2025-02-08 12:07:02,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 12:07:02,041 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 12:07:02,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 12:07:02,042 INFO L225 Difference]: With dead ends: 116 [2025-02-08 12:07:02,042 INFO L226 Difference]: Without dead ends: 115 [2025-02-08 12:07:02,042 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 12:07:02,043 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 1 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 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 12:07:02,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 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 12:07:02,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-02-08 12:07:02,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 111. [2025-02-08 12:07:02,046 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 12:07:02,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2025-02-08 12:07:02,047 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 71 [2025-02-08 12:07:02,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 12:07:02,047 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2025-02-08 12:07:02,047 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 12:07:02,047 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2025-02-08 12:07:02,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-08 12:07:02,047 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 12:07:02,047 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 12:07:02,055 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 12:07:02,248 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 12:07:02,248 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 12:07:02,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 12:07:02,248 INFO L85 PathProgramCache]: Analyzing trace with hash -661751455, now seen corresponding path program 1 times [2025-02-08 12:07:02,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 12:07:02,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310393411] [2025-02-08 12:07:02,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:07:02,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 12:07:02,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-08 12:07:02,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 12:07:02,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:07:02,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:07:02,293 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 12:07:02,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 12:07:02,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310393411] [2025-02-08 12:07:02,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310393411] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 12:07:02,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091352223] [2025-02-08 12:07:02,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:07:02,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 12:07:02,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 12:07:02,296 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 12:07:02,297 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 12:07:02,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-08 12:07:02,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 12:07:02,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:07:02,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:07:02,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 12:07:02,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 12:07:02,372 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 12:07:02,373 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 12:07:02,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091352223] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 12:07:02,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 12:07:02,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-08 12:07:02,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772668611] [2025-02-08 12:07:02,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 12:07:02,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 12:07:02,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 12:07:02,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 12:07:02,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 12:07:02,374 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 12:07:02,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 12:07:02,392 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2025-02-08 12:07:02,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 12:07:02,393 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 12:07:02,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 12:07:02,393 INFO L225 Difference]: With dead ends: 111 [2025-02-08 12:07:02,393 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 12:07:02,394 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 12:07:02,394 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 2 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 12:07:02,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 274 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 12:07:02,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 12:07:02,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 12:07:02,395 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 12:07:02,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 12:07:02,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2025-02-08 12:07:02,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 12:07:02,396 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 12:07:02,396 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 12:07:02,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 12:07:02,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 12:07:02,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2025-02-08 12:07:02,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2025-02-08 12:07:02,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-02-08 12:07:02,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-02-08 12:07:02,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-02-08 12:07:02,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-02-08 12:07:02,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-02-08 12:07:02,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-02-08 12:07:02,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 12:07:02,599 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 12:07:02,603 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 12:07:02,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 12:07:02,656 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 12:07:02,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 12:07:02 BoogieIcfgContainer [2025-02-08 12:07:02,663 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 12:07:02,663 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 12:07:02,664 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 12:07:02,664 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 12:07:02,664 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:06:57" (3/4) ... [2025-02-08 12:07:02,666 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 12:07:02,669 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printLine [2025-02-08 12:07:02,670 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2025-02-08 12:07:02,670 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printIntLine [2025-02-08 12:07:02,670 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2025-02-08 12:07:02,675 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-02-08 12:07:02,677 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-08 12:07:02,677 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 12:07:02,678 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 12:07:02,747 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 12:07:02,747 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 12:07:02,747 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 12:07:02,748 INFO L158 Benchmark]: Toolchain (without parser) took 6218.74ms. Allocated memory is still 167.8MB. Free memory was 131.3MB in the beginning and 87.3MB in the end (delta: 44.1MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2025-02-08 12:07:02,748 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 226.5MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 12:07:02,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 807.21ms. Allocated memory is still 167.8MB. Free memory was 131.3MB in the beginning and 69.6MB in the end (delta: 61.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-02-08 12:07:02,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.45ms. Allocated memory is still 167.8MB. Free memory was 69.6MB in the beginning and 66.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 12:07:02,749 INFO L158 Benchmark]: Boogie Preprocessor took 47.09ms. Allocated memory is still 167.8MB. Free memory was 66.4MB in the beginning and 64.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 12:07:02,749 INFO L158 Benchmark]: IcfgBuilder took 542.14ms. Allocated memory is still 167.8MB. Free memory was 64.6MB in the beginning and 123.2MB in the end (delta: -58.6MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2025-02-08 12:07:02,749 INFO L158 Benchmark]: TraceAbstraction took 4675.95ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 93.9MB in the end (delta: 29.0MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2025-02-08 12:07:02,749 INFO L158 Benchmark]: Witness Printer took 84.46ms. Allocated memory is still 167.8MB. Free memory was 93.9MB in the beginning and 87.3MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 12:07:02,750 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 226.5MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 807.21ms. Allocated memory is still 167.8MB. Free memory was 131.3MB in the beginning and 69.6MB in the end (delta: 61.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.45ms. Allocated memory is still 167.8MB. Free memory was 69.6MB in the beginning and 66.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.09ms. Allocated memory is still 167.8MB. Free memory was 66.4MB in the beginning and 64.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 542.14ms. Allocated memory is still 167.8MB. Free memory was 64.6MB in the beginning and 123.2MB in the end (delta: -58.6MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4675.95ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 93.9MB in the end (delta: 29.0MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Witness Printer took 84.46ms. Allocated memory is still 167.8MB. Free memory was 93.9MB in the beginning and 87.3MB in the end (delta: 6.7MB). 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: 4.6s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 246 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 237 mSDsluCounter, 4095 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2043 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 322 IncrementalHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 2052 mSDtfsCounter, 322 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 527 GetRequests, 495 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, 21 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1200 NumberOfCodeBlocks, 1200 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1178 ConstructedInterpolants, 0 QuantifiedInterpolants, 1406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1511 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 12:07:02,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE