./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_16_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/CWE190_Integer_Overflow__int_fgets_multiply_16_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 90441fc575ca6212c061da106efd38b475d6734a2301216157f954628aaeee36 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 16:50:58,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 16:50:58,858 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-17 16:50:58,863 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 16:50:58,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 16:50:58,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 16:50:58,877 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 16:50:58,877 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 16:50:58,877 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 16:50:58,877 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 16:50:58,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 16:50:58,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 16:50:58,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 16:50:58,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 16:50:58,878 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 16:50:58,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 16:50:58,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 16:50:58,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 16:50:58,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 16:50:58,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 16:50:58,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 16:50:58,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 16:50:58,878 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 16:50:58,878 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 16:50:58,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 16:50:58,878 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 16:50:58,879 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 16:50:58,879 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 16:50:58,879 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 16:50:58,879 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 16:50:58,879 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 16:50:58,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 16:50:58,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 16:50:58,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 16:50:58,880 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 16:50:58,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 16:50:58,880 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 16:50:58,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 16:50:58,880 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 16:50:58,880 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 16:50:58,880 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 16:50:58,880 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 16:50:58,880 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 -> 90441fc575ca6212c061da106efd38b475d6734a2301216157f954628aaeee36 [2025-03-17 16:50:59,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 16:50:59,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 16:50:59,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 16:50:59,115 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 16:50:59,115 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 16:50:59,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_16_good.i [2025-03-17 16:51:00,281 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e178517c/fa5bb00e240e4c428a1dd8e767f89faa/FLAG2a75d6c40 [2025-03-17 16:51:00,682 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 16:51:00,684 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_16_good.i [2025-03-17 16:51:00,701 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e178517c/fa5bb00e240e4c428a1dd8e767f89faa/FLAG2a75d6c40 [2025-03-17 16:51:00,854 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e178517c/fa5bb00e240e4c428a1dd8e767f89faa [2025-03-17 16:51:00,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 16:51:00,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 16:51:00,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 16:51:00,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 16:51:00,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 16:51:00,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 04:51:00" (1/1) ... [2025-03-17 16:51:00,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1984e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:51:00, skipping insertion in model container [2025-03-17 16:51:00,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 04:51:00" (1/1) ... [2025-03-17 16:51:00,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 16:51:01,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 16:51:01,346 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 16:51:01,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 16:51:01,482 INFO L204 MainTranslator]: Completed translation [2025-03-17 16:51:01,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:51:01 WrapperNode [2025-03-17 16:51:01,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 16:51:01,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 16:51:01,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 16:51:01,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 16:51:01,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:51:01" (1/1) ... [2025-03-17 16:51:01,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:51:01" (1/1) ... [2025-03-17 16:51:01,512 INFO L138 Inliner]: procedures = 500, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 78 [2025-03-17 16:51:01,513 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 16:51:01,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 16:51:01,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 16:51:01,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 16:51:01,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:51:01" (1/1) ... [2025-03-17 16:51:01,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:51:01" (1/1) ... [2025-03-17 16:51:01,521 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:51:01" (1/1) ... [2025-03-17 16:51:01,532 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2025-03-17 16:51:01,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:51:01" (1/1) ... [2025-03-17 16:51:01,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:51:01" (1/1) ... [2025-03-17 16:51:01,536 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:51:01" (1/1) ... [2025-03-17 16:51:01,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:51:01" (1/1) ... [2025-03-17 16:51:01,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:51:01" (1/1) ... [2025-03-17 16:51:01,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:51:01" (1/1) ... [2025-03-17 16:51:01,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 16:51:01,542 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 16:51:01,542 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 16:51:01,543 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 16:51:01,543 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:51:01" (1/1) ... [2025-03-17 16:51:01,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 16:51:01,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 16:51:01,573 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 16:51:01,576 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 16:51:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-03-17 16:51:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-03-17 16:51:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-17 16:51:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-17 16:51:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 16:51:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 16:51:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 16:51:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 16:51:01,711 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 16:51:01,712 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 16:51:01,826 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2025-03-17 16:51:01,828 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 16:51:01,837 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 16:51:01,841 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 16:51:01,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 04:51:01 BoogieIcfgContainer [2025-03-17 16:51:01,841 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 16:51:01,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 16:51:01,843 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 16:51:01,849 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 16:51:01,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 04:51:00" (1/3) ... [2025-03-17 16:51:01,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635ce94e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 04:51:01, skipping insertion in model container [2025-03-17 16:51:01,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:51:01" (2/3) ... [2025-03-17 16:51:01,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635ce94e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 04:51:01, skipping insertion in model container [2025-03-17 16:51:01,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 04:51:01" (3/3) ... [2025-03-17 16:51:01,851 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_16_good.i [2025-03-17 16:51:01,863 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 16:51:01,865 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_16_good.i that has 3 procedures, 37 locations, 1 initial locations, 4 loop locations, and 4 error locations. [2025-03-17 16:51:01,907 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 16:51:01,915 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;@77a1a1c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 16:51:01,916 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-17 16:51:01,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 30 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 16:51:01,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 16:51:01,923 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 16:51:01,924 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 16:51:01,924 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)] === [2025-03-17 16:51:01,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 16:51:01,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1726004769, now seen corresponding path program 1 times [2025-03-17 16:51:01,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 16:51:01,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447749544] [2025-03-17 16:51:01,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 16:51:01,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 16:51:02,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 16:51:02,011 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 16:51:02,011 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 16:51:02,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 16:51:02,073 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 16:51:02,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 16:51:02,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447749544] [2025-03-17 16:51:02,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447749544] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 16:51:02,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 16:51:02,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 16:51:02,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789823036] [2025-03-17 16:51:02,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 16:51:02,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 16:51:02,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 16:51:02,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 16:51:02,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 16:51:02,096 INFO L87 Difference]: Start difference. First operand has 37 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 30 states have internal predecessors, (37), 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 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 16:51:02,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 16:51:02,107 INFO L93 Difference]: Finished difference Result 67 states and 87 transitions. [2025-03-17 16:51:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 16:51:02,108 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 16:51:02,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 16:51:02,111 INFO L225 Difference]: With dead ends: 67 [2025-03-17 16:51:02,111 INFO L226 Difference]: Without dead ends: 30 [2025-03-17 16:51:02,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 16:51:02,115 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 16:51:02,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 16:51:02,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2025-03-17 16:51:02,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2025-03-17 16:51:02,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.35) internal successors, (27), 25 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 16:51:02,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2025-03-17 16:51:02,138 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 11 [2025-03-17 16:51:02,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 16:51:02,138 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2025-03-17 16:51:02,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 16:51:02,138 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2025-03-17 16:51:02,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-17 16:51:02,139 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 16:51:02,139 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 16:51:02,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 16:51:02,139 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 16:51:02,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 16:51:02,140 INFO L85 PathProgramCache]: Analyzing trace with hash -857988127, now seen corresponding path program 1 times [2025-03-17 16:51:02,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 16:51:02,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333175824] [2025-03-17 16:51:02,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 16:51:02,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 16:51:02,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 16:51:02,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 16:51:02,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 16:51:02,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 16:51:02,245 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 16:51:02,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 16:51:02,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333175824] [2025-03-17 16:51:02,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333175824] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 16:51:02,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 16:51:02,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 16:51:02,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194416990] [2025-03-17 16:51:02,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 16:51:02,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 16:51:02,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 16:51:02,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 16:51:02,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 16:51:02,248 INFO L87 Difference]: Start difference. First operand 30 states and 35 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 16:51:02,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 16:51:02,263 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2025-03-17 16:51:02,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 16:51:02,264 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 16:51:02,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 16:51:02,264 INFO L225 Difference]: With dead ends: 30 [2025-03-17 16:51:02,264 INFO L226 Difference]: Without dead ends: 29 [2025-03-17 16:51:02,264 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 16:51:02,265 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 1 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 16:51:02,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 53 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 16:51:02,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2025-03-17 16:51:02,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2025-03-17 16:51:02,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 24 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 16:51:02,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2025-03-17 16:51:02,268 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 13 [2025-03-17 16:51:02,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 16:51:02,268 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2025-03-17 16:51:02,268 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 16:51:02,268 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2025-03-17 16:51:02,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-17 16:51:02,268 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 16:51:02,268 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 16:51:02,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 16:51:02,268 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 16:51:02,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 16:51:02,269 INFO L85 PathProgramCache]: Analyzing trace with hash -827828168, now seen corresponding path program 1 times [2025-03-17 16:51:02,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 16:51:02,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056840848] [2025-03-17 16:51:02,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 16:51:02,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 16:51:02,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 16:51:02,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 16:51:02,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 16:51:02,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 16:51:02,316 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 16:51:02,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 16:51:02,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056840848] [2025-03-17 16:51:02,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056840848] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 16:51:02,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 16:51:02,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 16:51:02,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615321059] [2025-03-17 16:51:02,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 16:51:02,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 16:51:02,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 16:51:02,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 16:51:02,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 16:51:02,317 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 16:51:02,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 16:51:02,335 INFO L93 Difference]: Finished difference Result 44 states and 51 transitions. [2025-03-17 16:51:02,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 16:51:02,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2025-03-17 16:51:02,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 16:51:02,336 INFO L225 Difference]: With dead ends: 44 [2025-03-17 16:51:02,336 INFO L226 Difference]: Without dead ends: 31 [2025-03-17 16:51:02,337 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 16:51:02,337 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 4 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 16:51:02,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 53 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 16:51:02,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2025-03-17 16:51:02,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2025-03-17 16:51:02,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 25 states have internal predecessors, (29), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 16:51:02,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2025-03-17 16:51:02,341 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 14 [2025-03-17 16:51:02,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 16:51:02,341 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2025-03-17 16:51:02,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 16:51:02,341 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2025-03-17 16:51:02,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-17 16:51:02,341 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 16:51:02,342 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 16:51:02,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 16:51:02,342 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-17 16:51:02,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 16:51:02,342 INFO L85 PathProgramCache]: Analyzing trace with hash 107808769, now seen corresponding path program 1 times [2025-03-17 16:51:02,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 16:51:02,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951260048] [2025-03-17 16:51:02,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 16:51:02,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 16:51:02,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-17 16:51:02,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 16:51:02,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 16:51:02,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 16:51:02,396 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 16:51:02,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 16:51:02,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951260048] [2025-03-17 16:51:02,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951260048] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 16:51:02,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 16:51:02,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 16:51:02,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567594021] [2025-03-17 16:51:02,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 16:51:02,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 16:51:02,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 16:51:02,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 16:51:02,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 16:51:02,397 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 16:51:02,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 16:51:02,405 INFO L93 Difference]: Finished difference Result 31 states and 37 transitions. [2025-03-17 16:51:02,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 16:51:02,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2025-03-17 16:51:02,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 16:51:02,406 INFO L225 Difference]: With dead ends: 31 [2025-03-17 16:51:02,406 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 16:51:02,406 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 16:51:02,407 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 1 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 16:51:02,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 56 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 16:51:02,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 16:51:02,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 16:51:02,408 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 16:51:02,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 16:51:02,408 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2025-03-17 16:51:02,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 16:51:02,408 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 16:51:02,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 16:51:02,408 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 16:51:02,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 16:51:02,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2025-03-17 16:51:02,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2025-03-17 16:51:02,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2025-03-17 16:51:02,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2025-03-17 16:51:02,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 16:51:02,412 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-17 16:51:02,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-17 16:51:02,430 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 16:51:02,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 04:51:02 BoogieIcfgContainer [2025-03-17 16:51:02,439 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 16:51:02,439 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 16:51:02,440 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 16:51:02,440 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 16:51:02,440 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 04:51:01" (3/4) ... [2025-03-17 16:51:02,442 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 16:51:02,444 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printLine [2025-03-17 16:51:02,444 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printIntLine [2025-03-17 16:51:02,446 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-03-17 16:51:02,446 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-17 16:51:02,446 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 16:51:02,446 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 16:51:02,526 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 16:51:02,526 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 16:51:02,526 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 16:51:02,529 INFO L158 Benchmark]: Toolchain (without parser) took 1670.27ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 108.9MB in the end (delta: 817.9kB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2025-03-17 16:51:02,529 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 201.3MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 16:51:02,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 625.08ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 49.2MB in the end (delta: 60.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-17 16:51:02,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.92ms. Allocated memory is still 142.6MB. Free memory was 49.2MB in the beginning and 46.7MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 16:51:02,529 INFO L158 Benchmark]: Boogie Preprocessor took 25.63ms. Allocated memory is still 142.6MB. Free memory was 46.7MB in the beginning and 45.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 16:51:02,530 INFO L158 Benchmark]: IcfgBuilder took 298.64ms. Allocated memory is still 142.6MB. Free memory was 45.2MB in the beginning and 100.0MB in the end (delta: -54.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2025-03-17 16:51:02,530 INFO L158 Benchmark]: TraceAbstraction took 596.05ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 47.6MB in the end (delta: 51.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-03-17 16:51:02,530 INFO L158 Benchmark]: Witness Printer took 87.06ms. Allocated memory is still 142.6MB. Free memory was 47.6MB in the beginning and 108.9MB in the end (delta: -61.4MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2025-03-17 16:51:02,532 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 201.3MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 625.08ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 49.2MB in the end (delta: 60.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.92ms. Allocated memory is still 142.6MB. Free memory was 49.2MB in the beginning and 46.7MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.63ms. Allocated memory is still 142.6MB. Free memory was 46.7MB in the beginning and 45.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 298.64ms. Allocated memory is still 142.6MB. Free memory was 45.2MB in the beginning and 100.0MB in the end (delta: -54.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 596.05ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 47.6MB in the end (delta: 51.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 87.06ms. Allocated memory is still 142.6MB. Free memory was 47.6MB in the beginning and 108.9MB in the end (delta: -61.4MB). Peak memory consumption was 11.2MB. 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: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1573]: 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, 37 locations, 55 edges, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 207 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 135 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 61 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 - InvariantResult [Line: 1585]: Location Invariant Derived location invariant: (data == 2) - InvariantResult [Line: 1552]: Location Invariant Derived location invariant: (data <= 1073741822) RESULT: Ultimate proved your program to be correct! [2025-03-17 16:51:02,548 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