./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 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_postdec_07_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 1f04b03021a3b74767a5b237044c5e514128a457fde6f4e61cbc9c26aa844089 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 18:22:15,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 18:22:15,986 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-17 18:22:15,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 18:22:15,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 18:22:16,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 18:22:16,006 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 18:22:16,006 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 18:22:16,006 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 18:22:16,006 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 18:22:16,007 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 18:22:16,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 18:22:16,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 18:22:16,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 18:22:16,008 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 18:22:16,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 18:22:16,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 18:22:16,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 18:22:16,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 18:22:16,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 18:22:16,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 18:22:16,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 18:22:16,009 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 18:22:16,009 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 18:22:16,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 18:22:16,009 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 18:22:16,009 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 18:22:16,009 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 18:22:16,009 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 18:22:16,009 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 18:22:16,009 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 18:22:16,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 18:22:16,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 18:22:16,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 18:22:16,010 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 18:22:16,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 18:22:16,010 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 18:22:16,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 18:22:16,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 18:22:16,011 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 18:22:16,011 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 18:22:16,011 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 18:22:16,011 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 -> 1f04b03021a3b74767a5b237044c5e514128a457fde6f4e61cbc9c26aa844089 [2025-03-17 18:22:16,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 18:22:16,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 18:22:16,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 18:22:16,253 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 18:22:16,254 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 18:22:16,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_good.i [2025-03-17 18:22:17,353 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba4b2a94/0ea49d5a48b04b009d32be6e376a9ca2/FLAG17d709fa5 [2025-03-17 18:22:17,675 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 18:22:17,676 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_good.i [2025-03-17 18:22:17,698 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba4b2a94/0ea49d5a48b04b009d32be6e376a9ca2/FLAG17d709fa5 [2025-03-17 18:22:17,708 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba4b2a94/0ea49d5a48b04b009d32be6e376a9ca2 [2025-03-17 18:22:17,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 18:22:17,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 18:22:17,711 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 18:22:17,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 18:22:17,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 18:22:17,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:22:17" (1/1) ... [2025-03-17 18:22:17,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b91a4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:22:17, skipping insertion in model container [2025-03-17 18:22:17,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:22:17" (1/1) ... [2025-03-17 18:22:17,757 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 18:22:18,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 18:22:18,335 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 18:22:18,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 18:22:18,468 INFO L204 MainTranslator]: Completed translation [2025-03-17 18:22:18,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:22:18 WrapperNode [2025-03-17 18:22:18,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 18:22:18,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 18:22:18,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 18:22:18,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 18:22:18,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:22:18" (1/1) ... [2025-03-17 18:22:18,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:22:18" (1/1) ... [2025-03-17 18:22:18,512 INFO L138 Inliner]: procedures = 502, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 138 [2025-03-17 18:22:18,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 18:22:18,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 18:22:18,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 18:22:18,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 18:22:18,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:22:18" (1/1) ... [2025-03-17 18:22:18,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:22:18" (1/1) ... [2025-03-17 18:22:18,523 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:22:18" (1/1) ... [2025-03-17 18:22:18,532 INFO L175 MemorySlicer]: Split 2 memory accesses to 2 slices as follows [1, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [1, 1]. The 0 writes are split as follows [0, 0]. [2025-03-17 18:22:18,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:22:18" (1/1) ... [2025-03-17 18:22:18,533 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:22:18" (1/1) ... [2025-03-17 18:22:18,537 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:22:18" (1/1) ... [2025-03-17 18:22:18,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:22:18" (1/1) ... [2025-03-17 18:22:18,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:22:18" (1/1) ... [2025-03-17 18:22:18,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:22:18" (1/1) ... [2025-03-17 18:22:18,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 18:22:18,542 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 18:22:18,542 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 18:22:18,542 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 18:22:18,542 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:22:18" (1/1) ... [2025-03-17 18:22:18,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 18:22:18,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 18:22:18,566 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) [2025-03-17 18:22:18,570 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 [2025-03-17 18:22:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-03-17 18:22:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-03-17 18:22:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-17 18:22:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-17 18:22:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 18:22:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 18:22:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 18:22:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 18:22:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 18:22:18,709 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 18:22:18,711 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 18:22:18,878 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2025-03-17 18:22:18,879 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 18:22:18,884 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 18:22:18,885 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 18:22:18,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:22:18 BoogieIcfgContainer [2025-03-17 18:22:18,885 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 18:22:18,887 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 18:22:18,887 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 18:22:18,890 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 18:22:18,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 06:22:17" (1/3) ... [2025-03-17 18:22:18,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e8e1614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:22:18, skipping insertion in model container [2025-03-17 18:22:18,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:22:18" (2/3) ... [2025-03-17 18:22:18,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e8e1614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:22:18, skipping insertion in model container [2025-03-17 18:22:18,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:22:18" (3/3) ... [2025-03-17 18:22:18,894 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_postdec_07_good.i [2025-03-17 18:22:18,903 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 18:22:18,903 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fgets_postdec_07_good.i that has 3 procedures, 62 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-03-17 18:22:18,931 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 18:22:18,938 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;@755cbdae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 18:22:18,938 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-17 18:22:18,940 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 39 states have (on average 1.5384615384615385) internal successors, (60), 53 states have internal predecessors, (60), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 18:22:18,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 18:22:18,943 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:22:18,943 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:22:18,944 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 18:22:18,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:22:18,947 INFO L85 PathProgramCache]: Analyzing trace with hash -563633782, now seen corresponding path program 1 times [2025-03-17 18:22:18,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:22:18,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082031148] [2025-03-17 18:22:18,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:22:18,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:22:19,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 18:22:19,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 18:22:19,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:22:19,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:22:19,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:22:19,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:22:19,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082031148] [2025-03-17 18:22:19,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082031148] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:22:19,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:22:19,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 18:22:19,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55926605] [2025-03-17 18:22:19,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:22:19,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:22:19,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:22:19,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:22:19,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:22:19,130 INFO L87 Difference]: Start difference. First operand has 62 states, 39 states have (on average 1.5384615384615385) internal successors, (60), 53 states have internal predecessors, (60), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2025-03-17 18:22:19,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:22:19,168 INFO L93 Difference]: Finished difference Result 115 states and 153 transitions. [2025-03-17 18:22:19,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:22:19,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 11 [2025-03-17 18:22:19,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:22:19,173 INFO L225 Difference]: With dead ends: 115 [2025-03-17 18:22:19,174 INFO L226 Difference]: Without dead ends: 53 [2025-03-17 18:22:19,176 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 [2025-03-17 18:22:19,178 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 69 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 18:22:19,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 64 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 18:22:19,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-03-17 18:22:19,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-03-17 18:22:19,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 46 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 18:22:19,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2025-03-17 18:22:19,227 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 63 transitions. Word has length 11 [2025-03-17 18:22:19,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:22:19,228 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 63 transitions. [2025-03-17 18:22:19,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2025-03-17 18:22:19,228 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2025-03-17 18:22:19,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-17 18:22:19,229 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:22:19,229 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:22:19,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 18:22:19,231 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 18:22:19,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:22:19,233 INFO L85 PathProgramCache]: Analyzing trace with hash -512811732, now seen corresponding path program 1 times [2025-03-17 18:22:19,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:22:19,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688015819] [2025-03-17 18:22:19,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:22:19,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:22:19,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 18:22:19,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 18:22:19,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:22:19,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:22:19,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:22:19,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:22:19,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688015819] [2025-03-17 18:22:19,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688015819] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:22:19,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:22:19,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 18:22:19,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723710976] [2025-03-17 18:22:19,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:22:19,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:22:19,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:22:19,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:22:19,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:22:19,372 INFO L87 Difference]: Start difference. First operand 53 states and 63 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-03-17 18:22:19,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:22:19,390 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2025-03-17 18:22:19,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:22:19,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2025-03-17 18:22:19,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:22:19,392 INFO L225 Difference]: With dead ends: 53 [2025-03-17 18:22:19,392 INFO L226 Difference]: Without dead ends: 52 [2025-03-17 18:22:19,393 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 [2025-03-17 18:22:19,394 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 1 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 18:22:19,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 115 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 18:22:19,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2025-03-17 18:22:19,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2025-03-17 18:22:19,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 45 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 18:22:19,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2025-03-17 18:22:19,404 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 13 [2025-03-17 18:22:19,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:22:19,405 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2025-03-17 18:22:19,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-03-17 18:22:19,405 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2025-03-17 18:22:19,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-17 18:22:19,405 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:22:19,405 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:22:19,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 18:22:19,406 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 18:22:19,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:22:19,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1282705515, now seen corresponding path program 1 times [2025-03-17 18:22:19,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:22:19,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343777983] [2025-03-17 18:22:19,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:22:19,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:22:19,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 18:22:19,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 18:22:19,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:22:19,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:22:19,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 18:22:19,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:22:19,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343777983] [2025-03-17 18:22:19,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343777983] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:22:19,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:22:19,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 18:22:19,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005088799] [2025-03-17 18:22:19,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:22:19,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 18:22:19,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:22:19,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 18:22:19,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 18:22:19,525 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:22:19,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:22:19,549 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2025-03-17 18:22:19,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 18:22:19,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2025-03-17 18:22:19,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:22:19,550 INFO L225 Difference]: With dead ends: 52 [2025-03-17 18:22:19,550 INFO L226 Difference]: Without dead ends: 51 [2025-03-17 18:22:19,550 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 [2025-03-17 18:22:19,551 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 2 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 18:22:19,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 161 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 18:22:19,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2025-03-17 18:22:19,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2025-03-17 18:22:19,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 44 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 18:22:19,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2025-03-17 18:22:19,557 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 14 [2025-03-17 18:22:19,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:22:19,558 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2025-03-17 18:22:19,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 18:22:19,558 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2025-03-17 18:22:19,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-03-17 18:22:19,558 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:22:19,558 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] [2025-03-17 18:22:19,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 18:22:19,559 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 18:22:19,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:22:19,560 INFO L85 PathProgramCache]: Analyzing trace with hash -830854615, now seen corresponding path program 1 times [2025-03-17 18:22:19,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:22:19,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895188094] [2025-03-17 18:22:19,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:22:19,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:22:19,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-17 18:22:19,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-17 18:22:19,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:22:19,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:22:19,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 18:22:19,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:22:19,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895188094] [2025-03-17 18:22:19,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895188094] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:22:19,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:22:19,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 18:22:19,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711085038] [2025-03-17 18:22:19,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:22:19,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 18:22:19,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:22:19,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 18:22:19,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 18:22:19,721 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 18:22:19,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:22:19,740 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2025-03-17 18:22:19,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 18:22:19,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2025-03-17 18:22:19,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:22:19,741 INFO L225 Difference]: With dead ends: 51 [2025-03-17 18:22:19,741 INFO L226 Difference]: Without dead ends: 50 [2025-03-17 18:22:19,742 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 [2025-03-17 18:22:19,742 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 1 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 18:22:19,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 111 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 18:22:19,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2025-03-17 18:22:19,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2025-03-17 18:22:19,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 43 states have internal predecessors, (44), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 18:22:19,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2025-03-17 18:22:19,749 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 24 [2025-03-17 18:22:19,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:22:19,749 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2025-03-17 18:22:19,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 18:22:19,750 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2025-03-17 18:22:19,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-17 18:22:19,750 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:22:19,750 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:22:19,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 18:22:19,750 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 18:22:19,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:22:19,751 INFO L85 PathProgramCache]: Analyzing trace with hash 13310715, now seen corresponding path program 1 times [2025-03-17 18:22:19,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:22:19,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141351111] [2025-03-17 18:22:19,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:22:19,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:22:19,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-17 18:22:19,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-17 18:22:19,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:22:19,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:22:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 18:22:19,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:22:19,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141351111] [2025-03-17 18:22:19,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141351111] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:22:19,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:22:19,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 18:22:19,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351666993] [2025-03-17 18:22:19,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:22:19,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 18:22:19,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:22:19,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 18:22:19,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 18:22:19,844 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 18:22:19,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:22:19,867 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2025-03-17 18:22:19,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 18:22:19,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2025-03-17 18:22:19,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:22:19,868 INFO L225 Difference]: With dead ends: 50 [2025-03-17 18:22:19,868 INFO L226 Difference]: Without dead ends: 49 [2025-03-17 18:22:19,868 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 [2025-03-17 18:22:19,869 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 2 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 18:22:19,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 155 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 18:22:19,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-03-17 18:22:19,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-03-17 18:22:19,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 42 states have internal predecessors, (43), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 18:22:19,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2025-03-17 18:22:19,873 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 25 [2025-03-17 18:22:19,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:22:19,873 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2025-03-17 18:22:19,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 18:22:19,874 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2025-03-17 18:22:19,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-17 18:22:19,876 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:22:19,876 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:22:19,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 18:22:19,877 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 18:22:19,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:22:19,877 INFO L85 PathProgramCache]: Analyzing trace with hash 2143379615, now seen corresponding path program 1 times [2025-03-17 18:22:19,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:22:19,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445227966] [2025-03-17 18:22:19,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:22:19,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:22:19,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-17 18:22:19,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-17 18:22:19,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:22:19,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:22:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 18:22:19,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:22:19,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445227966] [2025-03-17 18:22:19,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445227966] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:22:19,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:22:19,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 18:22:19,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307553216] [2025-03-17 18:22:19,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:22:19,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 18:22:19,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:22:19,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 18:22:19,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 18:22:19,945 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 18:22:19,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:22:19,963 INFO L93 Difference]: Finished difference Result 49 states and 59 transitions. [2025-03-17 18:22:19,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 18:22:19,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2025-03-17 18:22:19,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:22:19,965 INFO L225 Difference]: With dead ends: 49 [2025-03-17 18:22:19,965 INFO L226 Difference]: Without dead ends: 48 [2025-03-17 18:22:19,966 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 [2025-03-17 18:22:19,966 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 1 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 18:22:19,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 157 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 18:22:19,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2025-03-17 18:22:19,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2025-03-17 18:22:19,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 35 states have (on average 1.2) internal successors, (42), 41 states have internal predecessors, (42), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 18:22:19,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2025-03-17 18:22:19,972 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 32 [2025-03-17 18:22:19,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:22:19,972 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2025-03-17 18:22:19,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 18:22:19,972 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2025-03-17 18:22:19,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-03-17 18:22:19,973 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:22:19,973 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:22:19,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 18:22:19,973 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 18:22:19,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:22:19,974 INFO L85 PathProgramCache]: Analyzing trace with hash 2020258617, now seen corresponding path program 1 times [2025-03-17 18:22:19,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:22:19,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632101545] [2025-03-17 18:22:19,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:22:19,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:22:19,990 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-17 18:22:19,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-17 18:22:19,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:22:19,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:22:20,053 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 18:22:20,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:22:20,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632101545] [2025-03-17 18:22:20,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632101545] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:22:20,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:22:20,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 18:22:20,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497421972] [2025-03-17 18:22:20,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:22:20,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 18:22:20,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:22:20,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 18:22:20,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 18:22:20,056 INFO L87 Difference]: Start difference. First operand 48 states and 58 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 18:22:20,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:22:20,072 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2025-03-17 18:22:20,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 18:22:20,072 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2025-03-17 18:22:20,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:22:20,073 INFO L225 Difference]: With dead ends: 48 [2025-03-17 18:22:20,073 INFO L226 Difference]: Without dead ends: 47 [2025-03-17 18:22:20,073 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 [2025-03-17 18:22:20,074 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 18:22:20,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 18:22:20,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2025-03-17 18:22:20,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2025-03-17 18:22:20,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 35 states have (on average 1.1714285714285715) internal successors, (41), 40 states have internal predecessors, (41), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 18:22:20,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2025-03-17 18:22:20,077 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 33 [2025-03-17 18:22:20,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:22:20,077 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions. [2025-03-17 18:22:20,077 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 18:22:20,077 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2025-03-17 18:22:20,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-17 18:22:20,078 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:22:20,078 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:22:20,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 18:22:20,078 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 18:22:20,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:22:20,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1507597945, now seen corresponding path program 1 times [2025-03-17 18:22:20,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:22:20,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372160990] [2025-03-17 18:22:20,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:22:20,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:22:20,090 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-17 18:22:20,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-17 18:22:20,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:22:20,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:22:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 18:22:20,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:22:20,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372160990] [2025-03-17 18:22:20,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372160990] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:22:20,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:22:20,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 18:22:20,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15637283] [2025-03-17 18:22:20,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:22:20,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 18:22:20,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:22:20,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 18:22:20,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 18:22:20,131 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 18:22:20,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:22:20,141 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2025-03-17 18:22:20,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 18:22:20,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2025-03-17 18:22:20,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:22:20,144 INFO L225 Difference]: With dead ends: 47 [2025-03-17 18:22:20,144 INFO L226 Difference]: Without dead ends: 46 [2025-03-17 18:22:20,144 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 [2025-03-17 18:22:20,145 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 1 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 18:22:20,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 156 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 18:22:20,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-03-17 18:22:20,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-03-17 18:22:20,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 39 states have internal predecessors, (40), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 18:22:20,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2025-03-17 18:22:20,148 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 42 [2025-03-17 18:22:20,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:22:20,148 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2025-03-17 18:22:20,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 18:22:20,148 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2025-03-17 18:22:20,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-17 18:22:20,149 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 18:22:20,149 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:22:20,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 18:22:20,149 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 18:22:20,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 18:22:20,150 INFO L85 PathProgramCache]: Analyzing trace with hash -509103980, now seen corresponding path program 1 times [2025-03-17 18:22:20,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 18:22:20,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084987971] [2025-03-17 18:22:20,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 18:22:20,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 18:22:20,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-17 18:22:20,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-17 18:22:20,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 18:22:20,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 18:22:20,194 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 18:22:20,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 18:22:20,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084987971] [2025-03-17 18:22:20,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084987971] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 18:22:20,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 18:22:20,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 18:22:20,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010754294] [2025-03-17 18:22:20,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 18:22:20,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 18:22:20,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 18:22:20,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 18:22:20,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 18:22:20,195 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 18:22:20,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 18:22:20,202 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2025-03-17 18:22:20,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 18:22:20,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2025-03-17 18:22:20,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 18:22:20,203 INFO L225 Difference]: With dead ends: 46 [2025-03-17 18:22:20,203 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 18:22:20,203 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 [2025-03-17 18:22:20,203 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 18:22:20,204 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 18:22:20,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 18:22:20,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 18:22:20,204 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) [2025-03-17 18:22:20,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 18:22:20,204 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2025-03-17 18:22:20,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 18:22:20,204 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 18:22:20,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 18:22:20,204 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 18:22:20,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 18:22:20,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2025-03-17 18:22:20,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2025-03-17 18:22:20,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-03-17 18:22:20,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-03-17 18:22:20,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-03-17 18:22:20,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-03-17 18:22:20,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-03-17 18:22:20,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-03-17 18:22:20,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 18:22:20,209 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 18:22:20,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-17 18:22:20,244 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 18:22:20,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 06:22:20 BoogieIcfgContainer [2025-03-17 18:22:20,248 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 18:22:20,248 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 18:22:20,248 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 18:22:20,248 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 18:22:20,249 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:22:18" (3/4) ... [2025-03-17 18:22:20,250 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 18:22:20,258 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printLine [2025-03-17 18:22:20,258 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printIntLine [2025-03-17 18:22:20,262 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-03-17 18:22:20,262 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-03-17 18:22:20,263 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-17 18:22:20,263 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 18:22:20,263 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 18:22:20,325 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 18:22:20,326 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 18:22:20,326 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 18:22:20,327 INFO L158 Benchmark]: Toolchain (without parser) took 2616.15ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 57.2MB in the end (delta: 51.4MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2025-03-17 18:22:20,327 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 18:22:20,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 758.04ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 47.7MB in the end (delta: 60.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-03-17 18:22:20,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.80ms. Allocated memory is still 142.6MB. Free memory was 47.7MB in the beginning and 44.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 18:22:20,327 INFO L158 Benchmark]: Boogie Preprocessor took 27.44ms. Allocated memory is still 142.6MB. Free memory was 44.7MB in the beginning and 43.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 18:22:20,327 INFO L158 Benchmark]: IcfgBuilder took 343.35ms. Allocated memory is still 142.6MB. Free memory was 43.2MB in the beginning and 94.6MB in the end (delta: -51.3MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2025-03-17 18:22:20,327 INFO L158 Benchmark]: TraceAbstraction took 1361.00ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 64.6MB in the end (delta: 29.2MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2025-03-17 18:22:20,328 INFO L158 Benchmark]: Witness Printer took 77.59ms. Allocated memory is still 142.6MB. Free memory was 64.6MB in the beginning and 57.2MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 18:22:20,329 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 758.04ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 47.7MB in the end (delta: 60.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.80ms. Allocated memory is still 142.6MB. Free memory was 47.7MB in the beginning and 44.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.44ms. Allocated memory is still 142.6MB. Free memory was 44.7MB in the beginning and 43.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 343.35ms. Allocated memory is still 142.6MB. Free memory was 43.2MB in the beginning and 94.6MB in the end (delta: -51.3MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1361.00ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 64.6MB in the end (delta: 29.2MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * Witness Printer took 77.59ms. Allocated memory is still 142.6MB. Free memory was 64.6MB in the beginning and 57.2MB in the end (delta: 7.4MB). 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: 1649]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1632]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1632]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: 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, 62 locations, 96 edges, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 1232 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 726 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 506 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 33, 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, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 56/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 18:22:20,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE