./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_34_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_34_good.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 93779f0d80eef93eb749968936253ce89026c57af3a5dd3fa6623cd19af1b746 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 12:51:29,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 12:51:29,887 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-08 12:51:29,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 12:51:29,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 12:51:29,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 12:51:29,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 12:51:29,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 12:51:29,916 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 12:51:29,916 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 12:51:29,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 12:51:29,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 12:51:29,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 12:51:29,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 12:51:29,918 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 12:51:29,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 12:51:29,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 12:51:29,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 12:51:29,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 12:51:29,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 12:51:29,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 12:51:29,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 12:51:29,918 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 12:51:29,918 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 12:51:29,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 12:51:29,919 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 12:51:29,919 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 12:51:29,919 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 12:51:29,919 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 12:51:29,919 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 12:51:29,919 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 12:51:29,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 12:51:29,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 12:51:29,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 12:51:29,920 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 12:51:29,920 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 12:51:29,920 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 12:51:29,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 12:51:29,920 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 12:51:29,920 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 12:51:29,920 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 12:51:29,920 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 12:51:29,920 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93779f0d80eef93eb749968936253ce89026c57af3a5dd3fa6623cd19af1b746 [2025-02-08 12:51:30,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 12:51:30,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 12:51:30,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 12:51:30,113 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 12:51:30,113 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 12:51:30,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_34_good.i [2025-02-08 12:51:31,361 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7f6358d6a/587911c8ab484d928a1c28912a29cb25/FLAG45addd015 [2025-02-08 12:51:31,748 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 12:51:31,748 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_34_good.i [2025-02-08 12:51:31,770 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7f6358d6a/587911c8ab484d928a1c28912a29cb25/FLAG45addd015 [2025-02-08 12:51:31,785 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7f6358d6a/587911c8ab484d928a1c28912a29cb25 [2025-02-08 12:51:31,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 12:51:31,787 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 12:51:31,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 12:51:31,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 12:51:31,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 12:51:31,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:51:31" (1/1) ... [2025-02-08 12:51:31,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4478fc83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:51:31, skipping insertion in model container [2025-02-08 12:51:31,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:51:31" (1/1) ... [2025-02-08 12:51:31,838 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 12:51:32,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 12:51:32,292 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 12:51:32,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 12:51:32,433 INFO L204 MainTranslator]: Completed translation [2025-02-08 12:51:32,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:51:32 WrapperNode [2025-02-08 12:51:32,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 12:51:32,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 12:51:32,435 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 12:51:32,435 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 12:51:32,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:51:32" (1/1) ... [2025-02-08 12:51:32,452 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:51:32" (1/1) ... [2025-02-08 12:51:32,465 INFO L138 Inliner]: procedures = 500, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 90 [2025-02-08 12:51:32,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 12:51:32,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 12:51:32,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 12:51:32,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 12:51:32,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:51:32" (1/1) ... [2025-02-08 12:51:32,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:51:32" (1/1) ... [2025-02-08 12:51:32,473 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:51:32" (1/1) ... [2025-02-08 12:51:32,480 INFO L175 MemorySlicer]: Split 5 memory accesses to 3 slices as follows [1, 2, 2]. 40 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2025-02-08 12:51:32,481 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:51:32" (1/1) ... [2025-02-08 12:51:32,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:51:32" (1/1) ... [2025-02-08 12:51:32,485 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:51:32" (1/1) ... [2025-02-08 12:51:32,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:51:32" (1/1) ... [2025-02-08 12:51:32,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:51:32" (1/1) ... [2025-02-08 12:51:32,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:51:32" (1/1) ... [2025-02-08 12:51:32,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 12:51:32,489 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 12:51:32,489 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 12:51:32,489 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 12:51:32,490 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:51:32" (1/1) ... [2025-02-08 12:51:32,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 12:51:32,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 12:51:32,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 12:51:32,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 12:51:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-02-08 12:51:32,531 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-02-08 12:51:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-02-08 12:51:32,531 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-02-08 12:51:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 12:51:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 12:51:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 12:51:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 12:51:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 12:51:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 12:51:32,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 12:51:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 12:51:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 12:51:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 12:51:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 12:51:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 12:51:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 12:51:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 12:51:32,663 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 12:51:32,664 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 12:51:32,785 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2025-02-08 12:51:32,785 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 12:51:32,792 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 12:51:32,792 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 12:51:32,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:51:32 BoogieIcfgContainer [2025-02-08 12:51:32,793 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 12:51:32,794 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 12:51:32,794 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 12:51:32,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 12:51:32,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 12:51:31" (1/3) ... [2025-02-08 12:51:32,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a149baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 12:51:32, skipping insertion in model container [2025-02-08 12:51:32,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:51:32" (2/3) ... [2025-02-08 12:51:32,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a149baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 12:51:32, skipping insertion in model container [2025-02-08 12:51:32,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:51:32" (3/3) ... [2025-02-08 12:51:32,800 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_predec_34_good.i [2025-02-08 12:51:32,812 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 12:51:32,813 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fgets_predec_34_good.i that has 3 procedures, 32 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-02-08 12:51:32,853 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 12:51:32,861 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;@5b5c9544, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 12:51:32,862 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-08 12:51:32,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 19 states have (on average 1.368421052631579) internal successors, (26), 25 states have internal predecessors, (26), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 12:51:32,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-08 12:51:32,867 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 12:51:32,868 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 12:51:32,868 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 12:51:32,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 12:51:32,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1910054162, now seen corresponding path program 1 times [2025-02-08 12:51:32,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 12:51:32,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172124134] [2025-02-08 12:51:32,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:51:32,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 12:51:32,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 12:51:32,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 12:51:32,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:51:32,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:51:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 12:51:33,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 12:51:33,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172124134] [2025-02-08 12:51:33,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172124134] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 12:51:33,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 12:51:33,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 12:51:33,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815214262] [2025-02-08 12:51:33,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 12:51:33,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 12:51:33,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 12:51:33,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 12:51:33,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 12:51:33,225 INFO L87 Difference]: Start difference. First operand has 32 states, 19 states have (on average 1.368421052631579) internal successors, (26), 25 states have internal predecessors, (26), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 12:51:33,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 12:51:33,262 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2025-02-08 12:51:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 12:51:33,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 8 [2025-02-08 12:51:33,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 12:51:33,271 INFO L225 Difference]: With dead ends: 32 [2025-02-08 12:51:33,271 INFO L226 Difference]: Without dead ends: 23 [2025-02-08 12:51:33,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 12:51:33,277 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 1 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 66 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 [2025-02-08 12:51:33,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 66 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 12:51:33,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2025-02-08 12:51:33,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2025-02-08 12:51:33,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 12:51:33,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2025-02-08 12:51:33,313 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 8 [2025-02-08 12:51:33,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 12:51:33,314 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2025-02-08 12:51:33,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 12:51:33,314 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2025-02-08 12:51:33,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 12:51:33,315 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 12:51:33,315 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 12:51:33,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 12:51:33,315 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 12:51:33,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 12:51:33,316 INFO L85 PathProgramCache]: Analyzing trace with hash -917863128, now seen corresponding path program 1 times [2025-02-08 12:51:33,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 12:51:33,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722491810] [2025-02-08 12:51:33,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:51:33,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 12:51:33,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 12:51:33,330 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 12:51:33,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:51:33,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:51:33,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 12:51:33,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 12:51:33,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722491810] [2025-02-08 12:51:33,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722491810] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 12:51:33,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 12:51:33,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 12:51:33,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780544798] [2025-02-08 12:51:33,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 12:51:33,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 12:51:33,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 12:51:33,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 12:51:33,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 12:51:33,407 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 12:51:33,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 12:51:33,415 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2025-02-08 12:51:33,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 12:51:33,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2025-02-08 12:51:33,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 12:51:33,416 INFO L225 Difference]: With dead ends: 23 [2025-02-08 12:51:33,416 INFO L226 Difference]: Without dead ends: 22 [2025-02-08 12:51:33,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 12:51:33,417 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 12:51:33,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 12:51:33,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2025-02-08 12:51:33,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2025-02-08 12:51:33,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 12:51:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2025-02-08 12:51:33,420 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 9 [2025-02-08 12:51:33,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 12:51:33,420 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2025-02-08 12:51:33,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 12:51:33,420 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2025-02-08 12:51:33,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-08 12:51:33,421 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 12:51:33,421 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 12:51:33,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 12:51:33,421 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 12:51:33,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 12:51:33,421 INFO L85 PathProgramCache]: Analyzing trace with hash -2099893812, now seen corresponding path program 1 times [2025-02-08 12:51:33,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 12:51:33,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609797767] [2025-02-08 12:51:33,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:51:33,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 12:51:33,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 12:51:33,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 12:51:33,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:51:33,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:51:33,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 12:51:33,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 12:51:33,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609797767] [2025-02-08 12:51:33,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609797767] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 12:51:33,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 12:51:33,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 12:51:33,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696666071] [2025-02-08 12:51:33,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 12:51:33,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 12:51:33,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 12:51:33,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 12:51:33,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 12:51:33,494 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 12:51:33,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 12:51:33,501 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2025-02-08 12:51:33,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 12:51:33,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 18 [2025-02-08 12:51:33,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 12:51:33,502 INFO L225 Difference]: With dead ends: 22 [2025-02-08 12:51:33,502 INFO L226 Difference]: Without dead ends: 21 [2025-02-08 12:51:33,502 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 12:51:33,503 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 1 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 12:51:33,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 39 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 12:51:33,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2025-02-08 12:51:33,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2025-02-08 12:51:33,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 12:51:33,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2025-02-08 12:51:33,505 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 18 [2025-02-08 12:51:33,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 12:51:33,505 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2025-02-08 12:51:33,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 12:51:33,506 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2025-02-08 12:51:33,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-08 12:51:33,506 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 12:51:33,506 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 12:51:33,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 12:51:33,506 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 12:51:33,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 12:51:33,507 INFO L85 PathProgramCache]: Analyzing trace with hash -672198751, now seen corresponding path program 1 times [2025-02-08 12:51:33,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 12:51:33,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256746909] [2025-02-08 12:51:33,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 12:51:33,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 12:51:33,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 12:51:33,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 12:51:33,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 12:51:33,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 12:51:33,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 12:51:33,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 12:51:33,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256746909] [2025-02-08 12:51:33,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256746909] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 12:51:33,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 12:51:33,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 12:51:33,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901986503] [2025-02-08 12:51:33,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 12:51:33,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 12:51:33,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 12:51:33,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 12:51:33,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 12:51:33,637 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 12:51:33,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 12:51:33,651 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2025-02-08 12:51:33,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 12:51:33,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 19 [2025-02-08 12:51:33,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 12:51:33,653 INFO L225 Difference]: With dead ends: 21 [2025-02-08 12:51:33,653 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 12:51:33,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 12:51:33,654 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 1 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 12:51:33,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 52 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 12:51:33,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 12:51:33,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 12:51:33,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 12:51:33,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 12:51:33,656 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2025-02-08 12:51:33,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 12:51:33,656 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 12:51:33,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 12:51:33,657 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 12:51:33,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 12:51:33,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2025-02-08 12:51:33,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2025-02-08 12:51:33,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2025-02-08 12:51:33,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2025-02-08 12:51:33,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 12:51:33,663 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-08 12:51:33,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 12:51:33,684 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 12:51:33,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 12:51:33 BoogieIcfgContainer [2025-02-08 12:51:33,691 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 12:51:33,691 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 12:51:33,692 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 12:51:33,692 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 12:51:33,692 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:51:32" (3/4) ... [2025-02-08 12:51:33,694 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 12:51:33,696 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printLine [2025-02-08 12:51:33,697 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printIntLine [2025-02-08 12:51:33,700 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-02-08 12:51:33,700 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-02-08 12:51:33,700 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 12:51:33,701 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 12:51:33,759 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 12:51:33,760 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 12:51:33,760 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 12:51:33,761 INFO L158 Benchmark]: Toolchain (without parser) took 1973.71ms. Allocated memory is still 142.6MB. Free memory was 109.8MB in the beginning and 76.0MB in the end (delta: 33.8MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2025-02-08 12:51:33,761 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 12:51:33,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 644.59ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 48.8MB in the end (delta: 60.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-08 12:51:33,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.31ms. Allocated memory is still 142.6MB. Free memory was 48.8MB in the beginning and 46.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 12:51:33,762 INFO L158 Benchmark]: Boogie Preprocessor took 22.99ms. Allocated memory is still 142.6MB. Free memory was 46.2MB in the beginning and 44.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 12:51:33,762 INFO L158 Benchmark]: IcfgBuilder took 303.83ms. Allocated memory is still 142.6MB. Free memory was 44.3MB in the beginning and 98.6MB in the end (delta: -54.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2025-02-08 12:51:33,763 INFO L158 Benchmark]: TraceAbstraction took 896.72ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 82.5MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2025-02-08 12:51:33,763 INFO L158 Benchmark]: Witness Printer took 68.97ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 76.0MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 12:51:33,764 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 644.59ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 48.8MB in the end (delta: 60.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.31ms. Allocated memory is still 142.6MB. Free memory was 48.8MB in the beginning and 46.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.99ms. Allocated memory is still 142.6MB. Free memory was 46.2MB in the beginning and 44.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 303.83ms. Allocated memory is still 142.6MB. Free memory was 44.3MB in the beginning and 98.6MB in the end (delta: -54.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 896.72ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 82.5MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 68.97ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 76.0MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 199 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 103 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 96 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 12:51:33,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE