./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_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 51707db04644edd77b44cc564e90c9ff9cb351f5b6bf4302fb00346df50078da --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 13:18:28,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 13:18:28,991 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-08 13:18:28,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 13:18:28,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 13:18:29,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 13:18:29,015 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 13:18:29,015 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 13:18:29,016 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 13:18:29,016 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 13:18:29,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 13:18:29,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 13:18:29,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 13:18:29,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 13:18:29,016 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 13:18:29,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 13:18:29,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 13:18:29,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 13:18:29,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 13:18:29,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 13:18:29,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 13:18:29,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 13:18:29,019 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 13:18:29,019 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 13:18:29,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 13:18:29,020 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 13:18:29,020 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 13:18:29,020 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 13:18:29,020 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 13:18:29,020 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 13:18:29,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 13:18:29,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:18:29,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 13:18:29,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 13:18:29,021 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 13:18:29,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 13:18:29,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 13:18:29,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 13:18:29,021 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 13:18:29,021 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 13:18:29,021 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 13:18:29,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 13:18:29,021 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 -> 51707db04644edd77b44cc564e90c9ff9cb351f5b6bf4302fb00346df50078da [2025-02-08 13:18:29,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 13:18:29,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 13:18:29,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 13:18:29,254 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 13:18:29,254 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 13:18:29,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_good.i [2025-02-08 13:18:30,493 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7fcce100b/1c7882f1f3714e73987311fa2fc17a08/FLAG06af5078d [2025-02-08 13:18:30,825 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 13:18:30,826 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_good.i [2025-02-08 13:18:30,854 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7fcce100b/1c7882f1f3714e73987311fa2fc17a08/FLAG06af5078d [2025-02-08 13:18:30,867 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7fcce100b/1c7882f1f3714e73987311fa2fc17a08 [2025-02-08 13:18:30,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 13:18:30,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 13:18:30,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 13:18:30,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 13:18:30,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 13:18:30,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:18:30" (1/1) ... [2025-02-08 13:18:30,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362a401a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:30, skipping insertion in model container [2025-02-08 13:18:30,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:18:30" (1/1) ... [2025-02-08 13:18:30,924 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 13:18:31,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:18:31,468 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 13:18:31,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:18:31,613 INFO L204 MainTranslator]: Completed translation [2025-02-08 13:18:31,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:31 WrapperNode [2025-02-08 13:18:31,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 13:18:31,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 13:18:31,615 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 13:18:31,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 13:18:31,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:31" (1/1) ... [2025-02-08 13:18:31,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:31" (1/1) ... [2025-02-08 13:18:31,666 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 78 [2025-02-08 13:18:31,668 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 13:18:31,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 13:18:31,669 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 13:18:31,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 13:18:31,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:31" (1/1) ... [2025-02-08 13:18:31,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:31" (1/1) ... [2025-02-08 13:18:31,678 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:31" (1/1) ... [2025-02-08 13:18:31,690 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-08 13:18:31,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:31" (1/1) ... [2025-02-08 13:18:31,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:31" (1/1) ... [2025-02-08 13:18:31,698 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:31" (1/1) ... [2025-02-08 13:18:31,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:31" (1/1) ... [2025-02-08 13:18:31,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:31" (1/1) ... [2025-02-08 13:18:31,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:31" (1/1) ... [2025-02-08 13:18:31,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 13:18:31,709 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 13:18:31,709 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 13:18:31,709 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 13:18:31,710 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:31" (1/1) ... [2025-02-08 13:18:31,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:18:31,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:18:31,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 13:18:31,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 13:18:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-02-08 13:18:31,762 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-02-08 13:18:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-02-08 13:18:31,762 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-02-08 13:18:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 13:18:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 13:18:31,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 13:18:31,866 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 13:18:31,868 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 13:18:31,969 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2025-02-08 13:18:31,969 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 13:18:31,974 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 13:18:31,975 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 13:18:31,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:18:31 BoogieIcfgContainer [2025-02-08 13:18:31,975 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 13:18:31,976 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 13:18:31,976 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 13:18:31,979 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 13:18:31,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:18:30" (1/3) ... [2025-02-08 13:18:31,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441c17f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:18:31, skipping insertion in model container [2025-02-08 13:18:31,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:31" (2/3) ... [2025-02-08 13:18:31,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441c17f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:18:31, skipping insertion in model container [2025-02-08 13:18:31,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:18:31" (3/3) ... [2025-02-08 13:18:31,985 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_17_good.i [2025-02-08 13:18:32,003 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 13:18:32,005 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_multiply_17_good.i that has 3 procedures, 52 locations, 1 initial locations, 4 loop locations, and 12 error locations. [2025-02-08 13:18:32,066 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 13:18:32,080 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;@418af46e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 13:18:32,080 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2025-02-08 13:18:32,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 32 states have (on average 1.625) internal successors, (52), 45 states have internal predecessors, (52), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 13:18:32,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 13:18:32,090 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:18:32,091 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:18:32,092 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 13:18:32,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:18:32,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1723909652, now seen corresponding path program 1 times [2025-02-08 13:18:32,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:18:32,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195415775] [2025-02-08 13:18:32,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:18:32,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:18:32,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 13:18:32,205 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 13:18:32,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:18:32,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:18:32,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:18:32,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:18:32,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195415775] [2025-02-08 13:18:32,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195415775] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:18:32,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:18:32,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:18:32,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332197832] [2025-02-08 13:18:32,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:18:32,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:18:32,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:18:32,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:18:32,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:18:32,336 INFO L87 Difference]: Start difference. First operand has 52 states, 32 states have (on average 1.625) internal successors, (52), 45 states have internal predecessors, (52), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:18:32,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:18:32,370 INFO L93 Difference]: Finished difference Result 101 states and 120 transitions. [2025-02-08 13:18:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:18:32,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2025-02-08 13:18:32,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:18:32,376 INFO L225 Difference]: With dead ends: 101 [2025-02-08 13:18:32,376 INFO L226 Difference]: Without dead ends: 51 [2025-02-08 13:18:32,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:18:32,379 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 1 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:18:32,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 170 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:18:32,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2025-02-08 13:18:32,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2025-02-08 13:18:32,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 33 states have (on average 1.5757575757575757) internal successors, (52), 45 states have internal predecessors, (52), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 13:18:32,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2025-02-08 13:18:32,401 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 60 transitions. Word has length 9 [2025-02-08 13:18:32,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:18:32,402 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 60 transitions. [2025-02-08 13:18:32,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:18:32,402 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2025-02-08 13:18:32,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-08 13:18:32,403 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:18:32,403 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:18:32,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 13:18:32,403 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 13:18:32,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:18:32,404 INFO L85 PathProgramCache]: Analyzing trace with hash -2068466460, now seen corresponding path program 1 times [2025-02-08 13:18:32,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:18:32,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40920016] [2025-02-08 13:18:32,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:18:32,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:18:32,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 13:18:32,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 13:18:32,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:18:32,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:18:32,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:18:32,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:18:32,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40920016] [2025-02-08 13:18:32,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40920016] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:18:32,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654363028] [2025-02-08 13:18:32,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:18:32,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:18:32,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:18:32,485 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:18:32,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 13:18:32,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 13:18:32,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 13:18:32,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:18:32,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:18:32,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 13:18:32,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:18:32,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:18:32,600 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:18:32,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654363028] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:18:32,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:18:32,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-02-08 13:18:32,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249923599] [2025-02-08 13:18:32,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:18:32,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 13:18:32,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:18:32,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 13:18:32,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:18:32,602 INFO L87 Difference]: Start difference. First operand 51 states and 60 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:18:32,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:18:32,619 INFO L93 Difference]: Finished difference Result 92 states and 109 transitions. [2025-02-08 13:18:32,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 13:18:32,620 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2025-02-08 13:18:32,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:18:32,620 INFO L225 Difference]: With dead ends: 92 [2025-02-08 13:18:32,620 INFO L226 Difference]: Without dead ends: 47 [2025-02-08 13:18:32,621 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:18:32,621 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:18:32,621 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:18:32,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2025-02-08 13:18:32,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2025-02-08 13:18:32,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.5161290322580645) internal successors, (47), 41 states have internal predecessors, (47), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 13:18:32,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2025-02-08 13:18:32,626 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 12 [2025-02-08 13:18:32,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:18:32,626 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2025-02-08 13:18:32,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:18:32,626 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2025-02-08 13:18:32,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 13:18:32,627 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:18:32,627 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:18:32,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 13:18:32,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:18:32,828 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 13:18:32,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:18:32,828 INFO L85 PathProgramCache]: Analyzing trace with hash 773420786, now seen corresponding path program 1 times [2025-02-08 13:18:32,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:18:32,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603736512] [2025-02-08 13:18:32,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:18:32,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:18:32,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 13:18:32,842 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 13:18:32,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:18:32,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:18:32,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 13:18:32,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:18:32,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603736512] [2025-02-08 13:18:32,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603736512] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:18:32,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:18:32,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:18:32,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112513166] [2025-02-08 13:18:32,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:18:32,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:18:32,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:18:32,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:18:32,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:18:32,875 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:18:32,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:18:32,886 INFO L93 Difference]: Finished difference Result 79 states and 94 transitions. [2025-02-08 13:18:32,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:18:32,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2025-02-08 13:18:32,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:18:32,887 INFO L225 Difference]: With dead ends: 79 [2025-02-08 13:18:32,887 INFO L226 Difference]: Without dead ends: 58 [2025-02-08 13:18:32,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:18:32,888 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 10 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:18:32,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 102 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:18:32,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2025-02-08 13:18:32,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 48. [2025-02-08 13:18:32,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 32 states have (on average 1.5) internal successors, (48), 42 states have internal predecessors, (48), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 13:18:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2025-02-08 13:18:32,897 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 56 transitions. Word has length 14 [2025-02-08 13:18:32,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:18:32,897 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 56 transitions. [2025-02-08 13:18:32,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:18:32,897 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2025-02-08 13:18:32,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-08 13:18:32,898 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:18:32,898 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:18:32,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 13:18:32,898 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 13:18:32,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:18:32,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1793237082, now seen corresponding path program 1 times [2025-02-08 13:18:32,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:18:32,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338289612] [2025-02-08 13:18:32,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:18:32,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:18:32,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 13:18:32,915 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 13:18:32,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:18:32,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:18:32,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:18:32,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:18:32,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338289612] [2025-02-08 13:18:32,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338289612] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:18:32,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:18:32,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:18:32,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085023143] [2025-02-08 13:18:32,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:18:32,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:18:32,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:18:32,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:18:32,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:18:32,943 INFO L87 Difference]: Start difference. First operand 48 states and 56 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:18:32,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:18:32,954 INFO L93 Difference]: Finished difference Result 82 states and 96 transitions. [2025-02-08 13:18:32,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:18:32,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2025-02-08 13:18:32,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:18:32,955 INFO L225 Difference]: With dead ends: 82 [2025-02-08 13:18:32,955 INFO L226 Difference]: Without dead ends: 42 [2025-02-08 13:18:32,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:18:32,956 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 6 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:18:32,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 75 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:18:32,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2025-02-08 13:18:32,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2025-02-08 13:18:32,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 36 states have internal predecessors, (41), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:18:32,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2025-02-08 13:18:32,974 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 15 [2025-02-08 13:18:32,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:18:32,980 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2025-02-08 13:18:32,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:18:32,980 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2025-02-08 13:18:32,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-08 13:18:32,981 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:18:32,981 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:18:32,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 13:18:32,981 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 13:18:32,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:18:32,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1956711862, now seen corresponding path program 1 times [2025-02-08 13:18:32,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:18:32,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136243767] [2025-02-08 13:18:32,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:18:32,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:18:32,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 13:18:32,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 13:18:32,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:18:32,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:18:33,037 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-08 13:18:33,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:18:33,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136243767] [2025-02-08 13:18:33,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136243767] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:18:33,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:18:33,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:18:33,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051299471] [2025-02-08 13:18:33,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:18:33,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:18:33,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:18:33,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:18:33,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:18:33,039 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 13:18:33,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:18:33,059 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2025-02-08 13:18:33,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:18:33,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2025-02-08 13:18:33,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:18:33,060 INFO L225 Difference]: With dead ends: 50 [2025-02-08 13:18:33,060 INFO L226 Difference]: Without dead ends: 48 [2025-02-08 13:18:33,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:18:33,061 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 1 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 119 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 13:18:33,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 119 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:18:33,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2025-02-08 13:18:33,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2025-02-08 13:18:33,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 41 states have internal predecessors, (46), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 13:18:33,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2025-02-08 13:18:33,066 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 21 [2025-02-08 13:18:33,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:18:33,066 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2025-02-08 13:18:33,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 13:18:33,066 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2025-02-08 13:18:33,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-08 13:18:33,066 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:18:33,066 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:18:33,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 13:18:33,067 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 13:18:33,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:18:33,067 INFO L85 PathProgramCache]: Analyzing trace with hash -44613965, now seen corresponding path program 1 times [2025-02-08 13:18:33,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:18:33,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249132045] [2025-02-08 13:18:33,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:18:33,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:18:33,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 13:18:33,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 13:18:33,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:18:33,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:18:33,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 13:18:33,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:18:33,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249132045] [2025-02-08 13:18:33,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249132045] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:18:33,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:18:33,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:18:33,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746222306] [2025-02-08 13:18:33,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:18:33,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:18:33,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:18:33,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:18:33,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:18:33,121 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:18:33,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:18:33,137 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2025-02-08 13:18:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:18:33,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2025-02-08 13:18:33,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:18:33,138 INFO L225 Difference]: With dead ends: 69 [2025-02-08 13:18:33,138 INFO L226 Difference]: Without dead ends: 51 [2025-02-08 13:18:33,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:18:33,139 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 1 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:18:33,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 124 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:18:33,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2025-02-08 13:18:33,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2025-02-08 13:18:33,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 44 states have internal predecessors, (49), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 13:18:33,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2025-02-08 13:18:33,143 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 25 [2025-02-08 13:18:33,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:18:33,144 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2025-02-08 13:18:33,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:18:33,144 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2025-02-08 13:18:33,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-08 13:18:33,144 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:18:33,144 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:18:33,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 13:18:33,145 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 13:18:33,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:18:33,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1949742683, now seen corresponding path program 1 times [2025-02-08 13:18:33,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:18:33,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795438679] [2025-02-08 13:18:33,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:18:33,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:18:33,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 13:18:33,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 13:18:33,155 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:18:33,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:18:33,229 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 13:18:33,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:18:33,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795438679] [2025-02-08 13:18:33,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795438679] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:18:33,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550186673] [2025-02-08 13:18:33,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:18:33,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:18:33,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:18:33,233 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:18:33,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 13:18:33,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 13:18:33,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 13:18:33,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:18:33,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:18:33,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 13:18:33,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:18:33,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 13:18:33,327 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:18:33,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550186673] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:18:33,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:18:33,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-02-08 13:18:33,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063265536] [2025-02-08 13:18:33,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:18:33,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 13:18:33,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:18:33,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 13:18:33,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:18:33,328 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:18:33,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:18:33,342 INFO L93 Difference]: Finished difference Result 68 states and 76 transitions. [2025-02-08 13:18:33,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 13:18:33,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2025-02-08 13:18:33,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:18:33,342 INFO L225 Difference]: With dead ends: 68 [2025-02-08 13:18:33,342 INFO L226 Difference]: Without dead ends: 47 [2025-02-08 13:18:33,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:18:33,343 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:18:33,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:18:33,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2025-02-08 13:18:33,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2025-02-08 13:18:33,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 40 states have internal predecessors, (44), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 13:18:33,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2025-02-08 13:18:33,349 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 28 [2025-02-08 13:18:33,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:18:33,349 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2025-02-08 13:18:33,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:18:33,350 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2025-02-08 13:18:33,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-08 13:18:33,350 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:18:33,350 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-08 13:18:33,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 13:18:33,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:18:33,551 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 13:18:33,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:18:33,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1097130428, now seen corresponding path program 1 times [2025-02-08 13:18:33,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:18:33,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959942020] [2025-02-08 13:18:33,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:18:33,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:18:33,562 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 13:18:33,566 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 13:18:33,566 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:18:33,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:18:33,596 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 13:18:33,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:18:33,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959942020] [2025-02-08 13:18:33,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959942020] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:18:33,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:18:33,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:18:33,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078995088] [2025-02-08 13:18:33,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:18:33,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:18:33,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:18:33,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:18:33,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:18:33,597 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:18:33,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:18:33,610 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2025-02-08 13:18:33,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:18:33,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2025-02-08 13:18:33,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:18:33,612 INFO L225 Difference]: With dead ends: 47 [2025-02-08 13:18:33,612 INFO L226 Difference]: Without dead ends: 46 [2025-02-08 13:18:33,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:18:33,613 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 9 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:18:33,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 63 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:18:33,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-02-08 13:18:33,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-02-08 13:18:33,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 39 states have internal predecessors, (43), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 13:18:33,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2025-02-08 13:18:33,617 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 30 [2025-02-08 13:18:33,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:18:33,617 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2025-02-08 13:18:33,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:18:33,617 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2025-02-08 13:18:33,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-08 13:18:33,618 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:18:33,618 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-08 13:18:33,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 13:18:33,618 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 13:18:33,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:18:33,618 INFO L85 PathProgramCache]: Analyzing trace with hash 348695086, now seen corresponding path program 1 times [2025-02-08 13:18:33,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:18:33,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983284992] [2025-02-08 13:18:33,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:18:33,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:18:33,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 13:18:33,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 13:18:33,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:18:33,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:18:33,644 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 13:18:33,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:18:33,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983284992] [2025-02-08 13:18:33,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983284992] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:18:33,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:18:33,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:18:33,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075146716] [2025-02-08 13:18:33,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:18:33,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:18:33,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:18:33,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:18:33,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:18:33,645 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:18:33,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:18:33,652 INFO L93 Difference]: Finished difference Result 60 states and 67 transitions. [2025-02-08 13:18:33,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:18:33,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2025-02-08 13:18:33,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:18:33,652 INFO L225 Difference]: With dead ends: 60 [2025-02-08 13:18:33,652 INFO L226 Difference]: Without dead ends: 45 [2025-02-08 13:18:33,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:18:33,653 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 7 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:18:33,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 63 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:18:33,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2025-02-08 13:18:33,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2025-02-08 13:18:33,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 35 states have (on average 1.1714285714285715) internal successors, (41), 38 states have internal predecessors, (41), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 13:18:33,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2025-02-08 13:18:33,656 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 31 [2025-02-08 13:18:33,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:18:33,656 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2025-02-08 13:18:33,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:18:33,657 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2025-02-08 13:18:33,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-08 13:18:33,657 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:18:33,657 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:18:33,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 13:18:33,657 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 13:18:33,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:18:33,657 INFO L85 PathProgramCache]: Analyzing trace with hash -781698347, now seen corresponding path program 1 times [2025-02-08 13:18:33,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:18:33,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854612381] [2025-02-08 13:18:33,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:18:33,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:18:33,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-08 13:18:33,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 13:18:33,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:18:33,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:18:33,707 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-02-08 13:18:33,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:18:33,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854612381] [2025-02-08 13:18:33,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854612381] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:18:33,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250915402] [2025-02-08 13:18:33,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:18:33,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:18:33,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:18:33,709 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:18:33,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 13:18:33,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-08 13:18:33,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 13:18:33,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:18:33,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:18:33,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 13:18:33,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:18:33,791 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-08 13:18:33,791 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:18:33,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250915402] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:18:33,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:18:33,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-02-08 13:18:33,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043007371] [2025-02-08 13:18:33,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:18:33,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 13:18:33,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:18:33,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 13:18:33,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:18:33,792 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:18:33,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:18:33,809 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2025-02-08 13:18:33,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 13:18:33,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 32 [2025-02-08 13:18:33,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:18:33,812 INFO L225 Difference]: With dead ends: 68 [2025-02-08 13:18:33,812 INFO L226 Difference]: Without dead ends: 37 [2025-02-08 13:18:33,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:18:33,813 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:18:33,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:18:33,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2025-02-08 13:18:33,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2025-02-08 13:18:33,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 30 states have (on average 1.1) internal successors, (33), 31 states have internal predecessors, (33), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:18:33,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2025-02-08 13:18:33,820 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 32 [2025-02-08 13:18:33,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:18:33,820 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2025-02-08 13:18:33,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:18:33,820 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2025-02-08 13:18:33,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 13:18:33,820 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:18:33,821 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-08 13:18:33,830 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 13:18:34,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:18:34,021 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 13:18:34,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:18:34,022 INFO L85 PathProgramCache]: Analyzing trace with hash 2094921120, now seen corresponding path program 1 times [2025-02-08 13:18:34,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:18:34,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733673736] [2025-02-08 13:18:34,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:18:34,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:18:34,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 13:18:34,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 13:18:34,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:18:34,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:18:34,119 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-08 13:18:34,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:18:34,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733673736] [2025-02-08 13:18:34,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733673736] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:18:34,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:18:34,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:18:34,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540609547] [2025-02-08 13:18:34,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:18:34,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:18:34,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:18:34,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:18:34,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:18:34,120 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 13:18:34,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:18:34,150 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2025-02-08 13:18:34,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:18:34,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 38 [2025-02-08 13:18:34,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:18:34,151 INFO L225 Difference]: With dead ends: 48 [2025-02-08 13:18:34,151 INFO L226 Difference]: Without dead ends: 46 [2025-02-08 13:18:34,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:18:34,151 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 1 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:18:34,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 100 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:18:34,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-02-08 13:18:34,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-02-08 13:18:34,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 39 states have internal predecessors, (41), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 13:18:34,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 49 transitions. [2025-02-08 13:18:34,161 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 49 transitions. Word has length 38 [2025-02-08 13:18:34,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:18:34,161 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 49 transitions. [2025-02-08 13:18:34,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 13:18:34,161 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2025-02-08 13:18:34,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-08 13:18:34,162 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:18:34,162 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:18:34,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 13:18:34,162 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 13:18:34,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:18:34,166 INFO L85 PathProgramCache]: Analyzing trace with hash -339600665, now seen corresponding path program 1 times [2025-02-08 13:18:34,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:18:34,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890345686] [2025-02-08 13:18:34,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:18:34,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:18:34,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 13:18:34,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 13:18:34,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:18:34,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:18:34,221 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-08 13:18:34,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:18:34,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890345686] [2025-02-08 13:18:34,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890345686] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:18:34,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121209102] [2025-02-08 13:18:34,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:18:34,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:18:34,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:18:34,223 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:18:34,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 13:18:34,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 13:18:34,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 13:18:34,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:18:34,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:18:34,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 13:18:34,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:18:34,321 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-08 13:18:34,321 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:18:34,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121209102] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:18:34,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:18:34,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-02-08 13:18:34,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53936845] [2025-02-08 13:18:34,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:18:34,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 13:18:34,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:18:34,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 13:18:34,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:18:34,322 INFO L87 Difference]: Start difference. First operand 46 states and 49 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 13:18:34,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:18:34,341 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2025-02-08 13:18:34,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 13:18:34,344 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 50 [2025-02-08 13:18:34,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:18:34,344 INFO L225 Difference]: With dead ends: 50 [2025-02-08 13:18:34,344 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 13:18:34,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:18:34,345 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:18:34,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:18:34,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 13:18:34,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 13:18:34,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:18:34,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 13:18:34,345 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2025-02-08 13:18:34,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:18:34,345 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 13:18:34,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 13:18:34,345 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 13:18:34,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 13:18:34,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2025-02-08 13:18:34,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2025-02-08 13:18:34,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2025-02-08 13:18:34,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2025-02-08 13:18:34,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2025-02-08 13:18:34,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2025-02-08 13:18:34,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2025-02-08 13:18:34,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2025-02-08 13:18:34,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2025-02-08 13:18:34,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2025-02-08 13:18:34,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2025-02-08 13:18:34,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2025-02-08 13:18:34,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 13:18:34,550 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,SelfDestructingSolverStorable11 [2025-02-08 13:18:34,552 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:18:34,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 13:18:34,601 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 13:18:34,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 01:18:34 BoogieIcfgContainer [2025-02-08 13:18:34,610 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 13:18:34,611 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 13:18:34,611 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 13:18:34,611 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 13:18:34,611 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:18:31" (3/4) ... [2025-02-08 13:18:34,612 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 13:18:34,616 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printLine [2025-02-08 13:18:34,616 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printIntLine [2025-02-08 13:18:34,618 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-02-08 13:18:34,619 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-02-08 13:18:34,619 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 13:18:34,709 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 13:18:34,709 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 13:18:34,709 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 13:18:34,713 INFO L158 Benchmark]: Toolchain (without parser) took 3839.23ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 38.2MB in the end (delta: 71.1MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. [2025-02-08 13:18:34,714 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 13:18:34,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 737.17ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 48.3MB in the end (delta: 61.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-08 13:18:34,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.80ms. Allocated memory is still 142.6MB. Free memory was 48.3MB in the beginning and 46.1MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 13:18:34,714 INFO L158 Benchmark]: Boogie Preprocessor took 39.45ms. Allocated memory is still 142.6MB. Free memory was 45.6MB in the beginning and 44.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 13:18:34,714 INFO L158 Benchmark]: IcfgBuilder took 266.12ms. Allocated memory is still 142.6MB. Free memory was 44.3MB in the beginning and 99.1MB in the end (delta: -54.8MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2025-02-08 13:18:34,714 INFO L158 Benchmark]: TraceAbstraction took 2634.01ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 44.5MB in the end (delta: 53.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2025-02-08 13:18:34,714 INFO L158 Benchmark]: Witness Printer took 98.48ms. Allocated memory is still 142.6MB. Free memory was 44.5MB in the beginning and 38.2MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 13:18:34,715 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 737.17ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 48.3MB in the end (delta: 61.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.80ms. Allocated memory is still 142.6MB. Free memory was 48.3MB in the beginning and 46.1MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.45ms. Allocated memory is still 142.6MB. Free memory was 45.6MB in the beginning and 44.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 266.12ms. Allocated memory is still 142.6MB. Free memory was 44.3MB in the beginning and 99.1MB in the end (delta: -54.8MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2634.01ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 44.5MB in the end (delta: 53.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Witness Printer took 98.48ms. Allocated memory is still 142.6MB. Free memory was 44.5MB in the beginning and 38.2MB in the end (delta: 6.3MB). 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: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: 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 3 procedures, 52 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 1302 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 792 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 139 IncrementalHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 510 mSDtfsCounter, 139 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 48, 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, 12 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 427 NumberOfCodeBlocks, 427 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 411 ConstructedInterpolants, 0 QuantifiedInterpolants, 629 SizeOfPredicates, 0 NumberOfNonLiveVariables, 460 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 124/128 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1553]: Location Invariant Derived location invariant: (((1 <= i) && ((data + 2147483648) <= 0)) || (i == 0)) - InvariantResult [Line: 1557]: Location Invariant Derived location invariant: (((k == 0) && ((data + 2147483648) <= 0)) || ((1 <= k) && ((data + 2147483648) <= 0))) - InvariantResult [Line: 1582]: Location Invariant Derived location invariant: (((j == 0) && (((long) data + 2) == 0)) || ((1 <= j) && (((long) data + 2) == 0))) - InvariantResult [Line: 1578]: Location Invariant Derived location invariant: (((1 <= h) && (((long) data + 2) == 0)) || ((h == 0) && (0 <= ((long) data + 2)))) RESULT: Ultimate proved your program to be correct! [2025-02-08 13:18:34,726 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