./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_17_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 c105c9d8e748706c612711674cfaab3e4cc2091b5f92841d529eb0ac1b2ea348 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 14:07:23,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 14:07:23,591 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-04 14:07:23,596 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 14:07:23,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 14:07:23,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 14:07:23,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 14:07:23,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 14:07:23,620 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 14:07:23,620 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 14:07:23,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 14:07:23,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 14:07:23,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 14:07:23,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 14:07:23,621 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 14:07:23,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 14:07:23,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 14:07:23,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 14:07:23,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 14:07:23,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 14:07:23,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 14:07:23,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 14:07:23,622 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 14:07:23,622 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 14:07:23,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 14:07:23,622 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 14:07:23,622 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 14:07:23,622 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 14:07:23,622 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 14:07:23,623 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 14:07:23,623 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 14:07:23,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 14:07:23,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 14:07:23,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 14:07:23,623 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 14:07:23,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 14:07:23,624 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 14:07:23,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 14:07:23,624 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 14:07:23,624 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 14:07:23,624 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 14:07:23,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 14:07:23,624 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/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 -> c105c9d8e748706c612711674cfaab3e4cc2091b5f92841d529eb0ac1b2ea348 [2025-03-04 14:07:23,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 14:07:23,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 14:07:23,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 14:07:23,858 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 14:07:23,859 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 14:07:23,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_17_good.i [2025-03-04 14:07:24,954 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ba95159/5d42457026264ecba17205d7f261c7d2/FLAG492c5c345 [2025-03-04 14:07:25,271 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 14:07:25,272 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_17_good.i [2025-03-04 14:07:25,296 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ba95159/5d42457026264ecba17205d7f261c7d2/FLAG492c5c345 [2025-03-04 14:07:25,306 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ba95159/5d42457026264ecba17205d7f261c7d2 [2025-03-04 14:07:25,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 14:07:25,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 14:07:25,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 14:07:25,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 14:07:25,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 14:07:25,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:07:25" (1/1) ... [2025-03-04 14:07:25,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1298cda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:07:25, skipping insertion in model container [2025-03-04 14:07:25,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:07:25" (1/1) ... [2025-03-04 14:07:25,349 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 14:07:25,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 14:07:25,795 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 14:07:25,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 14:07:25,923 INFO L204 MainTranslator]: Completed translation [2025-03-04 14:07:25,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:07:25 WrapperNode [2025-03-04 14:07:25,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 14:07:25,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 14:07:25,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 14:07:25,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 14:07:25,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:07:25" (1/1) ... [2025-03-04 14:07:25,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:07:25" (1/1) ... [2025-03-04 14:07:25,957 INFO L138 Inliner]: procedures = 500, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 106 [2025-03-04 14:07:25,957 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 14:07:25,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 14:07:25,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 14:07:25,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 14:07:25,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:07:25" (1/1) ... [2025-03-04 14:07:25,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:07:25" (1/1) ... [2025-03-04 14:07:25,967 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:07:25" (1/1) ... [2025-03-04 14:07:25,981 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2025-03-04 14:07:25,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:07:25" (1/1) ... [2025-03-04 14:07:25,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:07:25" (1/1) ... [2025-03-04 14:07:25,985 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:07:25" (1/1) ... [2025-03-04 14:07:25,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:07:25" (1/1) ... [2025-03-04 14:07:25,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:07:25" (1/1) ... [2025-03-04 14:07:25,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:07:25" (1/1) ... [2025-03-04 14:07:25,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 14:07:25,989 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 14:07:25,989 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 14:07:25,990 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 14:07:25,990 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:07:25" (1/1) ... [2025-03-04 14:07:25,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 14:07:26,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:07:26,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 14:07:26,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 14:07:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-03-04 14:07:26,039 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-03-04 14:07:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-04 14:07:26,040 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-04 14:07:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 14:07:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 14:07:26,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 14:07:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 14:07:26,169 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 14:07:26,171 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 14:07:26,338 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2025-03-04 14:07:26,338 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 14:07:26,346 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 14:07:26,347 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 14:07:26,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:07:26 BoogieIcfgContainer [2025-03-04 14:07:26,348 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 14:07:26,350 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 14:07:26,350 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 14:07:26,354 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 14:07:26,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:07:25" (1/3) ... [2025-03-04 14:07:26,355 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b80961f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:07:26, skipping insertion in model container [2025-03-04 14:07:26,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:07:25" (2/3) ... [2025-03-04 14:07:26,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b80961f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:07:26, skipping insertion in model container [2025-03-04 14:07:26,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:07:26" (3/3) ... [2025-03-04 14:07:26,357 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_predec_17_good.i [2025-03-04 14:07:26,369 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 14:07:26,370 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fgets_predec_17_good.i that has 3 procedures, 57 locations, 1 initial locations, 4 loop locations, and 12 error locations. [2025-03-04 14:07:26,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 14:07:26,430 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;@639696a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 14:07:26,430 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2025-03-04 14:07:26,434 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 50 states have internal predecessors, (55), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 14:07:26,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-04 14:07:26,438 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:07:26,438 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:07:26,439 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)] === [2025-03-04 14:07:26,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:07:26,442 INFO L85 PathProgramCache]: Analyzing trace with hash 143499017, now seen corresponding path program 1 times [2025-03-04 14:07:26,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:07:26,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422160364] [2025-03-04 14:07:26,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:07:26,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:07:26,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 14:07:26,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 14:07:26,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:07:26,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:07:26,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 14:07:26,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:07:26,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422160364] [2025-03-04 14:07:26,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422160364] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:07:26,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:07:26,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 14:07:26,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621235640] [2025-03-04 14:07:26,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:07:26,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 14:07:26,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:07:26,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 14:07:26,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 14:07:26,754 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 50 states have internal predecessors, (55), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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) [2025-03-04 14:07:26,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:07:26,798 INFO L93 Difference]: Finished difference Result 110 states and 129 transitions. [2025-03-04 14:07:26,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 14:07:26,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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 [2025-03-04 14:07:26,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:07:26,803 INFO L225 Difference]: With dead ends: 110 [2025-03-04 14:07:26,803 INFO L226 Difference]: Without dead ends: 56 [2025-03-04 14:07:26,806 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 [2025-03-04 14:07:26,808 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 2 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 14:07:26,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 182 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 14:07:26,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2025-03-04 14:07:26,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2025-03-04 14:07:26,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 50 states have internal predecessors, (55), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 14:07:26,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 67 transitions. [2025-03-04 14:07:26,832 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 67 transitions. Word has length 12 [2025-03-04 14:07:26,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:07:26,834 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 67 transitions. [2025-03-04 14:07:26,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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) [2025-03-04 14:07:26,834 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions. [2025-03-04 14:07:26,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-04 14:07:26,835 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:07:26,835 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:07:26,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 14:07:26,836 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)] === [2025-03-04 14:07:26,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:07:26,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1434242972, now seen corresponding path program 1 times [2025-03-04 14:07:26,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:07:26,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010100072] [2025-03-04 14:07:26,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:07:26,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:07:26,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 14:07:26,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 14:07:26,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:07:26,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:07:26,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 14:07:26,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:07:26,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010100072] [2025-03-04 14:07:26,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010100072] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 14:07:26,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39463273] [2025-03-04 14:07:26,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:07:26,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:07:26,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:07:26,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 14:07:26,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 14:07:27,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 14:07:27,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 14:07:27,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:07:27,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:07:27,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 14:07:27,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 14:07:27,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 14:07:27,107 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 14:07:27,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39463273] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:07:27,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 14:07:27,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-04 14:07:27,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718583953] [2025-03-04 14:07:27,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:07:27,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 14:07:27,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:07:27,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 14:07:27,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-04 14:07:27,109 INFO L87 Difference]: Start difference. First operand 56 states and 67 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2025-03-04 14:07:27,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:07:27,141 INFO L93 Difference]: Finished difference Result 95 states and 112 transitions. [2025-03-04 14:07:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 14:07:27,141 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 17 [2025-03-04 14:07:27,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:07:27,141 INFO L225 Difference]: With dead ends: 95 [2025-03-04 14:07:27,141 INFO L226 Difference]: Without dead ends: 49 [2025-03-04 14:07:27,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-04 14:07:27,142 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 14:07:27,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 198 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 14:07:27,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-03-04 14:07:27,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-03-04 14:07:27,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 32 states have (on average 1.46875) internal successors, (47), 43 states have internal predecessors, (47), 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) [2025-03-04 14:07:27,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2025-03-04 14:07:27,146 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 57 transitions. Word has length 17 [2025-03-04 14:07:27,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:07:27,146 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 57 transitions. [2025-03-04 14:07:27,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2025-03-04 14:07:27,146 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2025-03-04 14:07:27,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-04 14:07:27,147 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:07:27,147 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:07:27,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 14:07:27,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:07:27,351 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-04 14:07:27,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:07:27,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1434519068, now seen corresponding path program 1 times [2025-03-04 14:07:27,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:07:27,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925929549] [2025-03-04 14:07:27,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:07:27,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:07:27,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 14:07:27,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 14:07:27,370 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:07:27,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:07:27,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 14:07:27,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:07:27,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925929549] [2025-03-04 14:07:27,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925929549] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:07:27,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:07:27,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 14:07:27,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413371132] [2025-03-04 14:07:27,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:07:27,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 14:07:27,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:07:27,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 14:07:27,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 14:07:27,397 INFO L87 Difference]: Start difference. First operand 49 states and 57 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2025-03-04 14:07:27,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:07:27,421 INFO L93 Difference]: Finished difference Result 93 states and 109 transitions. [2025-03-04 14:07:27,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 14:07:27,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 17 [2025-03-04 14:07:27,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:07:27,422 INFO L225 Difference]: With dead ends: 93 [2025-03-04 14:07:27,422 INFO L226 Difference]: Without dead ends: 55 [2025-03-04 14:07:27,422 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 [2025-03-04 14:07:27,423 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 9 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 14:07:27,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 105 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 14:07:27,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2025-03-04 14:07:27,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2025-03-04 14:07:27,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 38 states have (on average 1.394736842105263) internal successors, (53), 47 states have internal predecessors, (53), 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) [2025-03-04 14:07:27,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2025-03-04 14:07:27,430 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 17 [2025-03-04 14:07:27,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:07:27,430 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2025-03-04 14:07:27,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2025-03-04 14:07:27,430 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2025-03-04 14:07:27,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-04 14:07:27,430 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:07:27,430 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:07:27,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 14:07:27,431 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-04 14:07:27,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:07:27,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1520418140, now seen corresponding path program 1 times [2025-03-04 14:07:27,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:07:27,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093674461] [2025-03-04 14:07:27,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:07:27,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:07:27,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-04 14:07:27,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-04 14:07:27,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:07:27,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:07:27,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 14:07:27,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:07:27,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093674461] [2025-03-04 14:07:27,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093674461] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:07:27,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:07:27,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 14:07:27,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631764094] [2025-03-04 14:07:27,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:07:27,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 14:07:27,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:07:27,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 14:07:27,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 14:07:27,516 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (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) [2025-03-04 14:07:27,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:07:27,526 INFO L93 Difference]: Finished difference Result 54 states and 63 transitions. [2025-03-04 14:07:27,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 14:07:27,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (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 18 [2025-03-04 14:07:27,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:07:27,528 INFO L225 Difference]: With dead ends: 54 [2025-03-04 14:07:27,528 INFO L226 Difference]: Without dead ends: 53 [2025-03-04 14:07:27,529 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 [2025-03-04 14:07:27,529 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 10 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 14:07:27,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 82 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 14:07:27,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-03-04 14:07:27,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-03-04 14:07:27,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 38 states have (on average 1.368421052631579) internal successors, (52), 46 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) [2025-03-04 14:07:27,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 62 transitions. [2025-03-04 14:07:27,533 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 62 transitions. Word has length 18 [2025-03-04 14:07:27,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:07:27,533 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 62 transitions. [2025-03-04 14:07:27,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (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) [2025-03-04 14:07:27,533 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2025-03-04 14:07:27,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-04 14:07:27,534 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:07:27,534 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:07:27,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 14:07:27,534 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-04 14:07:27,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:07:27,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1520401194, now seen corresponding path program 1 times [2025-03-04 14:07:27,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:07:27,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378196495] [2025-03-04 14:07:27,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:07:27,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:07:27,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-04 14:07:27,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-04 14:07:27,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:07:27,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:07:27,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 14:07:27,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:07:27,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378196495] [2025-03-04 14:07:27,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378196495] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:07:27,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:07:27,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 14:07:27,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81611945] [2025-03-04 14:07:27,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:07:27,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 14:07:27,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:07:27,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 14:07:27,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 14:07:27,579 INFO L87 Difference]: Start difference. First operand 53 states and 62 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2025-03-04 14:07:27,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:07:27,594 INFO L93 Difference]: Finished difference Result 81 states and 95 transitions. [2025-03-04 14:07:27,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 14:07:27,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 18 [2025-03-04 14:07:27,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:07:27,595 INFO L225 Difference]: With dead ends: 81 [2025-03-04 14:07:27,595 INFO L226 Difference]: Without dead ends: 61 [2025-03-04 14:07:27,595 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 [2025-03-04 14:07:27,596 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 6 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 14:07:27,596 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 102 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 14:07:27,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-03-04 14:07:27,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 54. [2025-03-04 14:07:27,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 47 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) [2025-03-04 14:07:27,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2025-03-04 14:07:27,606 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 18 [2025-03-04 14:07:27,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:07:27,607 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2025-03-04 14:07:27,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2025-03-04 14:07:27,607 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2025-03-04 14:07:27,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-04 14:07:27,607 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:07:27,607 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] [2025-03-04 14:07:27,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 14:07:27,608 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-04 14:07:27,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:07:27,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1614971229, now seen corresponding path program 1 times [2025-03-04 14:07:27,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:07:27,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024007313] [2025-03-04 14:07:27,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:07:27,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:07:27,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-04 14:07:27,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-04 14:07:27,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:07:27,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:07:27,672 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-04 14:07:27,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:07:27,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024007313] [2025-03-04 14:07:27,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024007313] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:07:27,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:07:27,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 14:07:27,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670826268] [2025-03-04 14:07:27,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:07:27,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 14:07:27,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:07:27,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 14:07:27,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 14:07:27,674 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2025-03-04 14:07:27,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:07:27,702 INFO L93 Difference]: Finished difference Result 65 states and 76 transitions. [2025-03-04 14:07:27,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 14:07:27,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 23 [2025-03-04 14:07:27,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:07:27,703 INFO L225 Difference]: With dead ends: 65 [2025-03-04 14:07:27,703 INFO L226 Difference]: Without dead ends: 63 [2025-03-04 14:07:27,704 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 [2025-03-04 14:07:27,704 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 5 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 14:07:27,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 147 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 14:07:27,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2025-03-04 14:07:27,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2025-03-04 14:07:27,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 55 states have internal predecessors, (60), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-04 14:07:27,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2025-03-04 14:07:27,712 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 74 transitions. Word has length 23 [2025-03-04 14:07:27,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:07:27,713 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 74 transitions. [2025-03-04 14:07:27,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2025-03-04 14:07:27,713 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2025-03-04 14:07:27,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-04 14:07:27,714 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:07:27,714 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] [2025-03-04 14:07:27,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 14:07:27,714 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)] === [2025-03-04 14:07:27,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:07:27,715 INFO L85 PathProgramCache]: Analyzing trace with hash 955133458, now seen corresponding path program 1 times [2025-03-04 14:07:27,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:07:27,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140764316] [2025-03-04 14:07:27,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:07:27,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:07:27,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-04 14:07:27,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-04 14:07:27,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:07:27,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:07:27,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 14:07:27,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:07:27,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140764316] [2025-03-04 14:07:27,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140764316] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:07:27,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:07:27,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 14:07:27,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748316436] [2025-03-04 14:07:27,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:07:27,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 14:07:27,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:07:27,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 14:07:27,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 14:07:27,781 INFO L87 Difference]: Start difference. First operand 63 states and 74 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 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) [2025-03-04 14:07:27,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:07:27,804 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2025-03-04 14:07:27,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 14:07:27,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 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 [2025-03-04 14:07:27,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:07:27,805 INFO L225 Difference]: With dead ends: 82 [2025-03-04 14:07:27,805 INFO L226 Difference]: Without dead ends: 66 [2025-03-04 14:07:27,806 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 [2025-03-04 14:07:27,806 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 151 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 [2025-03-04 14:07:27,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 151 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 14:07:27,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2025-03-04 14:07:27,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2025-03-04 14:07:27,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 58 states have internal predecessors, (63), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-04 14:07:27,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 77 transitions. [2025-03-04 14:07:27,816 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 77 transitions. Word has length 28 [2025-03-04 14:07:27,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:07:27,816 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 77 transitions. [2025-03-04 14:07:27,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 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) [2025-03-04 14:07:27,817 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions. [2025-03-04 14:07:27,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-03-04 14:07:27,817 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:07:27,817 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, 1, 1, 1] [2025-03-04 14:07:27,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 14:07:27,817 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-04 14:07:27,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:07:27,818 INFO L85 PathProgramCache]: Analyzing trace with hash 222506439, now seen corresponding path program 1 times [2025-03-04 14:07:27,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:07:27,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602394550] [2025-03-04 14:07:27,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:07:27,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:07:27,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-04 14:07:27,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-04 14:07:27,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:07:27,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:07:27,890 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 14:07:27,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:07:27,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602394550] [2025-03-04 14:07:27,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602394550] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 14:07:27,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449467131] [2025-03-04 14:07:27,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:07:27,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:07:27,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:07:27,893 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 14:07:27,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 14:07:27,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-04 14:07:27,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-04 14:07:27,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:07:27,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:07:27,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 14:07:27,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 14:07:27,982 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 14:07:27,983 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 14:07:27,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449467131] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:07:27,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 14:07:27,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-04 14:07:27,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138247717] [2025-03-04 14:07:27,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:07:27,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 14:07:27,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:07:27,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 14:07:27,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-04 14:07:27,984 INFO L87 Difference]: Start difference. First operand 66 states and 77 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 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) [2025-03-04 14:07:28,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:07:28,001 INFO L93 Difference]: Finished difference Result 81 states and 93 transitions. [2025-03-04 14:07:28,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 14:07:28,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 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 [2025-03-04 14:07:28,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:07:28,002 INFO L225 Difference]: With dead ends: 81 [2025-03-04 14:07:28,002 INFO L226 Difference]: Without dead ends: 62 [2025-03-04 14:07:28,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-04 14:07:28,003 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 14:07:28,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 193 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 14:07:28,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-03-04 14:07:28,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2025-03-04 14:07:28,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 54 states have internal predecessors, (58), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-04 14:07:28,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2025-03-04 14:07:28,012 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 72 transitions. Word has length 31 [2025-03-04 14:07:28,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:07:28,012 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 72 transitions. [2025-03-04 14:07:28,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 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) [2025-03-04 14:07:28,012 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2025-03-04 14:07:28,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-03-04 14:07:28,014 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:07:28,015 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:07:28,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 14:07:28,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-03-04 14:07:28,219 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-04 14:07:28,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:07:28,219 INFO L85 PathProgramCache]: Analyzing trace with hash -969327199, now seen corresponding path program 1 times [2025-03-04 14:07:28,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:07:28,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290839861] [2025-03-04 14:07:28,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:07:28,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:07:28,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-04 14:07:28,235 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-04 14:07:28,236 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:07:28,236 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:07:28,299 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-04 14:07:28,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:07:28,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290839861] [2025-03-04 14:07:28,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290839861] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 14:07:28,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354325740] [2025-03-04 14:07:28,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:07:28,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:07:28,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:07:28,302 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 14:07:28,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 14:07:28,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-04 14:07:28,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-04 14:07:28,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:07:28,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:07:28,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 14:07:28,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 14:07:28,404 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-04 14:07:28,404 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 14:07:28,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354325740] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:07:28,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 14:07:28,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-04 14:07:28,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141351111] [2025-03-04 14:07:28,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:07:28,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 14:07:28,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:07:28,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 14:07:28,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-04 14:07:28,405 INFO L87 Difference]: Start difference. First operand 62 states and 72 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2025-03-04 14:07:28,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:07:28,428 INFO L93 Difference]: Finished difference Result 86 states and 97 transitions. [2025-03-04 14:07:28,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 14:07:28,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 33 [2025-03-04 14:07:28,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:07:28,429 INFO L225 Difference]: With dead ends: 86 [2025-03-04 14:07:28,429 INFO L226 Difference]: Without dead ends: 51 [2025-03-04 14:07:28,429 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-04 14:07:28,429 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 4 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 14:07:28,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 167 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 14:07:28,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2025-03-04 14:07:28,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2025-03-04 14:07:28,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 40 states have (on average 1.175) internal successors, (47), 44 states have internal predecessors, (47), 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) [2025-03-04 14:07:28,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2025-03-04 14:07:28,437 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 33 [2025-03-04 14:07:28,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:07:28,437 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2025-03-04 14:07:28,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2025-03-04 14:07:28,438 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2025-03-04 14:07:28,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-04 14:07:28,439 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:07:28,439 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] [2025-03-04 14:07:28,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-04 14:07:28,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:07:28,640 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-04 14:07:28,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:07:28,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1692239953, now seen corresponding path program 1 times [2025-03-04 14:07:28,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:07:28,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592790730] [2025-03-04 14:07:28,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:07:28,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:07:28,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-04 14:07:28,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-04 14:07:28,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:07:28,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:07:28,669 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 14:07:28,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:07:28,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592790730] [2025-03-04 14:07:28,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592790730] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:07:28,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:07:28,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 14:07:28,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454120911] [2025-03-04 14:07:28,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:07:28,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 14:07:28,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:07:28,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 14:07:28,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 14:07:28,670 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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) [2025-03-04 14:07:28,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:07:28,680 INFO L93 Difference]: Finished difference Result 55 states and 62 transitions. [2025-03-04 14:07:28,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 14:07:28,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 32 [2025-03-04 14:07:28,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:07:28,681 INFO L225 Difference]: With dead ends: 55 [2025-03-04 14:07:28,681 INFO L226 Difference]: Without dead ends: 54 [2025-03-04 14:07:28,681 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 [2025-03-04 14:07:28,681 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 1 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 14:07:28,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 90 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 14:07:28,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2025-03-04 14:07:28,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2025-03-04 14:07:28,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 46 states have internal predecessors, (49), 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) [2025-03-04 14:07:28,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2025-03-04 14:07:28,685 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 32 [2025-03-04 14:07:28,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:07:28,685 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2025-03-04 14:07:28,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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) [2025-03-04 14:07:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2025-03-04 14:07:28,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-03-04 14:07:28,686 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:07:28,686 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] [2025-03-04 14:07:28,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-04 14:07:28,686 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-04 14:07:28,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:07:28,689 INFO L85 PathProgramCache]: Analyzing trace with hash -919831003, now seen corresponding path program 1 times [2025-03-04 14:07:28,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:07:28,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731343915] [2025-03-04 14:07:28,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:07:28,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:07:28,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-04 14:07:28,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-04 14:07:28,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:07:28,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:07:28,725 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 14:07:28,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:07:28,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731343915] [2025-03-04 14:07:28,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731343915] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:07:28,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:07:28,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 14:07:28,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703510152] [2025-03-04 14:07:28,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:07:28,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 14:07:28,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:07:28,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 14:07:28,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 14:07:28,727 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2025-03-04 14:07:28,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:07:28,736 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2025-03-04 14:07:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 14:07:28,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 33 [2025-03-04 14:07:28,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:07:28,737 INFO L225 Difference]: With dead ends: 53 [2025-03-04 14:07:28,737 INFO L226 Difference]: Without dead ends: 52 [2025-03-04 14:07:28,738 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 [2025-03-04 14:07:28,738 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 5 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 14:07:28,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 82 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 14:07:28,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2025-03-04 14:07:28,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2025-03-04 14:07:28,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 42 states have (on average 1.1428571428571428) internal successors, (48), 45 states have internal predecessors, (48), 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) [2025-03-04 14:07:28,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions. [2025-03-04 14:07:28,745 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 33 [2025-03-04 14:07:28,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:07:28,746 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions. [2025-03-04 14:07:28,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2025-03-04 14:07:28,746 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2025-03-04 14:07:28,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-04 14:07:28,748 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:07:28,748 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, 1] [2025-03-04 14:07:28,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-04 14:07:28,748 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)] === [2025-03-04 14:07:28,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:07:28,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1730680003, now seen corresponding path program 1 times [2025-03-04 14:07:28,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:07:28,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014623348] [2025-03-04 14:07:28,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:07:28,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:07:28,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-04 14:07:28,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-04 14:07:28,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:07:28,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:07:28,802 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-04 14:07:28,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:07:28,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014623348] [2025-03-04 14:07:28,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014623348] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:07:28,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:07:28,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 14:07:28,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017159927] [2025-03-04 14:07:28,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:07:28,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 14:07:28,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:07:28,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 14:07:28,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 14:07:28,804 INFO L87 Difference]: Start difference. First operand 52 states and 58 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2025-03-04 14:07:28,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:07:28,819 INFO L93 Difference]: Finished difference Result 59 states and 66 transitions. [2025-03-04 14:07:28,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 14:07:28,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 39 [2025-03-04 14:07:28,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:07:28,821 INFO L225 Difference]: With dead ends: 59 [2025-03-04 14:07:28,821 INFO L226 Difference]: Without dead ends: 57 [2025-03-04 14:07:28,821 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 [2025-03-04 14:07:28,822 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 1 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 133 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 [2025-03-04 14:07:28,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 133 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 14:07:28,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2025-03-04 14:07:28,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2025-03-04 14:07:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 46 states have (on average 1.1304347826086956) internal successors, (52), 49 states have internal predecessors, (52), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 14:07:28,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions. [2025-03-04 14:07:28,826 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 64 transitions. Word has length 39 [2025-03-04 14:07:28,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:07:28,826 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 64 transitions. [2025-03-04 14:07:28,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2025-03-04 14:07:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2025-03-04 14:07:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-04 14:07:28,827 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:07:28,827 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:07:28,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-04 14:07:28,827 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-04 14:07:28,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:07:28,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1900530633, now seen corresponding path program 1 times [2025-03-04 14:07:28,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:07:28,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163695666] [2025-03-04 14:07:28,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:07:28,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:07:28,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-04 14:07:28,842 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-04 14:07:28,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:07:28,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:07:28,928 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-04 14:07:28,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:07:28,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163695666] [2025-03-04 14:07:28,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163695666] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 14:07:28,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067397746] [2025-03-04 14:07:28,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:07:28,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:07:28,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:07:28,931 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 14:07:28,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 14:07:28,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-04 14:07:29,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-04 14:07:29,005 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:07:29,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:07:29,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 14:07:29,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 14:07:29,045 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 14:07:29,045 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 14:07:29,102 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 14:07:29,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067397746] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 14:07:29,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 14:07:29,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 9 [2025-03-04 14:07:29,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010754294] [2025-03-04 14:07:29,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 14:07:29,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 14:07:29,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:07:29,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 14:07:29,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-03-04 14:07:29,105 INFO L87 Difference]: Start difference. First operand 57 states and 64 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-04 14:07:29,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:07:29,150 INFO L93 Difference]: Finished difference Result 61 states and 67 transitions. [2025-03-04 14:07:29,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 14:07:29,150 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 42 [2025-03-04 14:07:29,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:07:29,151 INFO L225 Difference]: With dead ends: 61 [2025-03-04 14:07:29,151 INFO L226 Difference]: Without dead ends: 0 [2025-03-04 14:07:29,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2025-03-04 14:07:29,152 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 14:07:29,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 262 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 14:07:29,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-04 14:07:29,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-04 14:07:29,153 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) [2025-03-04 14:07:29,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-04 14:07:29,153 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2025-03-04 14:07:29,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:07:29,154 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 14:07:29,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-04 14:07:29,154 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-04 14:07:29,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-04 14:07:29,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2025-03-04 14:07:29,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2025-03-04 14:07:29,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2025-03-04 14:07:29,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2025-03-04 14:07:29,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2025-03-04 14:07:29,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2025-03-04 14:07:29,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2025-03-04 14:07:29,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2025-03-04 14:07:29,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2025-03-04 14:07:29,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2025-03-04 14:07:29,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2025-03-04 14:07:29,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2025-03-04 14:07:29,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-04 14:07:29,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:07:29,361 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:07:29,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-04 14:07:29,442 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 14:07:29,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 02:07:29 BoogieIcfgContainer [2025-03-04 14:07:29,452 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 14:07:29,452 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 14:07:29,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 14:07:29,452 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 14:07:29,453 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:07:26" (3/4) ... [2025-03-04 14:07:29,454 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 14:07:29,458 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printLine [2025-03-04 14:07:29,458 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printIntLine [2025-03-04 14:07:29,461 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-03-04 14:07:29,461 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-04 14:07:29,461 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 14:07:29,462 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 14:07:29,519 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 14:07:29,519 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 14:07:29,519 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 14:07:29,519 INFO L158 Benchmark]: Toolchain (without parser) took 4210.54ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 92.7MB in the end (delta: 28.3MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2025-03-04 14:07:29,519 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 201.3MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 14:07:29,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.30ms. Allocated memory is still 167.8MB. Free memory was 120.3MB in the beginning and 61.0MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-04 14:07:29,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.62ms. Allocated memory is still 167.8MB. Free memory was 61.0MB in the beginning and 58.6MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 14:07:29,520 INFO L158 Benchmark]: Boogie Preprocessor took 30.90ms. Allocated memory is still 167.8MB. Free memory was 58.6MB in the beginning and 57.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 14:07:29,520 INFO L158 Benchmark]: IcfgBuilder took 358.80ms. Allocated memory is still 167.8MB. Free memory was 57.1MB in the beginning and 41.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 14:07:29,520 INFO L158 Benchmark]: TraceAbstraction took 3101.52ms. Allocated memory is still 167.8MB. Free memory was 40.3MB in the beginning and 100.9MB in the end (delta: -60.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 14:07:29,520 INFO L158 Benchmark]: Witness Printer took 66.79ms. Allocated memory is still 167.8MB. Free memory was 100.9MB in the beginning and 92.7MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 14:07:29,521 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 201.3MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.30ms. Allocated memory is still 167.8MB. Free memory was 120.3MB in the beginning and 61.0MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.62ms. Allocated memory is still 167.8MB. Free memory was 61.0MB in the beginning and 58.6MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.90ms. Allocated memory is still 167.8MB. Free memory was 58.6MB in the beginning and 57.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 358.80ms. Allocated memory is still 167.8MB. Free memory was 57.1MB in the beginning and 41.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3101.52ms. Allocated memory is still 167.8MB. Free memory was 40.3MB in the beginning and 100.9MB in the end (delta: -60.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 66.79ms. Allocated memory is still 167.8MB. Free memory was 100.9MB in the beginning and 92.7MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: 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, 57 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 1894 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1233 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 188 IncrementalHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 661 mSDtfsCounter, 188 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=7, InterpolantAutomatonStates: 53, 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, 13 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 466 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 490 ConstructedInterpolants, 0 QuantifiedInterpolants, 770 SizeOfPredicates, 0 NumberOfNonLiveVariables, 640 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 114/122 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: ((((0 <= ((long) 2147483647 + data)) && (i == 0)) && (data <= 2147483647)) || ((1 <= i) && (data <= 2147483647))) - InvariantResult [Line: 1586]: Location Invariant Derived location invariant: (((1 <= h) && (((long) data + 2) == 0)) || ((h == 0) && (0 <= ((long) data + 2)))) - InvariantResult [Line: 1590]: Location Invariant Derived location invariant: (((j == 0) && (((long) data + 2) == 0)) || (((0 <= ((long) data + 3)) && (1 <= j)) && (((long) data + 2) <= 0))) - InvariantResult [Line: 1567]: Location Invariant Derived location invariant: (((1 <= k) && (data <= 2147483647)) || ((k == 0) && (data <= 2147483647))) RESULT: Ultimate proved your program to be correct! [2025-03-04 14:07:29,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/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