./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/Et4_true.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4510a73e-caf6-40c0-9dc7-b6d5acf27af7/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4510a73e-caf6-40c0-9dc7-b6d5acf27af7/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4510a73e-caf6-40c0-9dc7-b6d5acf27af7/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4510a73e-caf6-40c0-9dc7-b6d5acf27af7/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-numeric/Et4_true.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4510a73e-caf6-40c0-9dc7-b6d5acf27af7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4510a73e-caf6-40c0-9dc7-b6d5acf27af7/bin/uautomizer-verify-qhAvR1uOyd --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 fd425c4b2002ad50235bdf7942d03f600c35812ae9d16cfe392f9b6ae03e09d0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:57:44,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:57:44,247 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4510a73e-caf6-40c0-9dc7-b6d5acf27af7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 14:57:44,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:57:44,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:57:44,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:57:44,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:57:44,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:57:44,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:57:44,277 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:57:44,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:57:44,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:57:44,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:57:44,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:57:44,278 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:57:44,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:57:44,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:57:44,279 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:57:44,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:57:44,279 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:57:44,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:57:44,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:57:44,280 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:57:44,280 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:57:44,280 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:57:44,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:57:44,280 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:57:44,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:57:44,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:57:44,281 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:57:44,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:57:44,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:57:44,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:57:44,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:57:44,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:57:44,282 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:57:44,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:57:44,282 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:57:44,282 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:57:44,282 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:57:44,282 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:57:44,282 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4510a73e-caf6-40c0-9dc7-b6d5acf27af7/bin/uautomizer-verify-qhAvR1uOyd 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 -> fd425c4b2002ad50235bdf7942d03f600c35812ae9d16cfe392f9b6ae03e09d0 [2024-11-13 14:57:44,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:57:44,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:57:44,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:57:44,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:57:44,612 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:57:44,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4510a73e-caf6-40c0-9dc7-b6d5acf27af7/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/termination-numeric/Et4_true.c Unable to find full path for "g++" [2024-11-13 14:57:46,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:57:46,801 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:57:46,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4510a73e-caf6-40c0-9dc7-b6d5acf27af7/sv-benchmarks/c/termination-numeric/Et4_true.c [2024-11-13 14:57:46,809 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4510a73e-caf6-40c0-9dc7-b6d5acf27af7/bin/uautomizer-verify-qhAvR1uOyd/data/77e48688b/8fe49cfec0c54ad5bf0eda5eefe64bf1/FLAG966320f20 [2024-11-13 14:57:46,824 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4510a73e-caf6-40c0-9dc7-b6d5acf27af7/bin/uautomizer-verify-qhAvR1uOyd/data/77e48688b/8fe49cfec0c54ad5bf0eda5eefe64bf1 [2024-11-13 14:57:46,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:57:46,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:57:46,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:57:46,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:57:46,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:57:46,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:57:46" (1/1) ... [2024-11-13 14:57:46,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75039572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:46, skipping insertion in model container [2024-11-13 14:57:46,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:57:46" (1/1) ... [2024-11-13 14:57:46,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:57:46,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:57:46,996 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:57:47,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:57:47,026 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:57:47,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:47 WrapperNode [2024-11-13 14:57:47,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:57:47,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:57:47,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:57:47,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:57:47,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:47" (1/1) ... [2024-11-13 14:57:47,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:47" (1/1) ... [2024-11-13 14:57:47,054 INFO L138 Inliner]: procedures = 6, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-11-13 14:57:47,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:57:47,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:57:47,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:57:47,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:57:47,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:47" (1/1) ... [2024-11-13 14:57:47,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:47" (1/1) ... [2024-11-13 14:57:47,065 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:47" (1/1) ... [2024-11-13 14:57:47,071 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 14:57:47,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:47" (1/1) ... [2024-11-13 14:57:47,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:47" (1/1) ... [2024-11-13 14:57:47,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:47" (1/1) ... [2024-11-13 14:57:47,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:47" (1/1) ... [2024-11-13 14:57:47,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:47" (1/1) ... [2024-11-13 14:57:47,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:47" (1/1) ... [2024-11-13 14:57:47,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:57:47,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:57:47,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:57:47,085 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:57:47,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:47" (1/1) ... [2024-11-13 14:57:47,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:57:47,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4510a73e-caf6-40c0-9dc7-b6d5acf27af7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:57:47,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4510a73e-caf6-40c0-9dc7-b6d5acf27af7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:57:47,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4510a73e-caf6-40c0-9dc7-b6d5acf27af7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:57:47,167 INFO L130 BoogieDeclarations]: Found specification of procedure random [2024-11-13 14:57:47,167 INFO L138 BoogieDeclarations]: Found implementation of procedure random [2024-11-13 14:57:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure loop [2024-11-13 14:57:47,168 INFO L138 BoogieDeclarations]: Found implementation of procedure loop [2024-11-13 14:57:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:57:47,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:57:47,238 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:57:47,241 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:57:47,470 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 14:57:47,470 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:57:47,483 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:57:47,483 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:57:47,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:57:47 BoogieIcfgContainer [2024-11-13 14:57:47,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:57:47,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:57:47,488 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:57:47,494 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:57:47,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:57:46" (1/3) ... [2024-11-13 14:57:47,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5151a005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:57:47, skipping insertion in model container [2024-11-13 14:57:47,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:57:47" (2/3) ... [2024-11-13 14:57:47,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5151a005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:57:47, skipping insertion in model container [2024-11-13 14:57:47,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:57:47" (3/3) ... [2024-11-13 14:57:47,498 INFO L112 eAbstractionObserver]: Analyzing ICFG Et4_true.c [2024-11-13 14:57:47,521 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:57:47,523 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG Et4_true.c that has 3 procedures, 41 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-11-13 14:57:47,598 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:57:47,617 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;@e2cb751, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:57:47,618 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-13 14:57:47,623 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 32 states have internal predecessors, (34), 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) [2024-11-13 14:57:47,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 14:57:47,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:57:47,631 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 14:57:47,632 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting randomErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [randomErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, randomErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, loopErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 14:57:47,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:57:47,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1895690800, now seen corresponding path program 1 times [2024-11-13 14:57:47,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:57:47,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570784922] [2024-11-13 14:57:47,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:57:47,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:57:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:57:47,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:57:47,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:57:47,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570784922] [2024-11-13 14:57:47,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570784922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:57:47,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:57:47,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:57:47,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395068287] [2024-11-13 14:57:47,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:57:47,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:57:47,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:57:47,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:57:47,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:57:47,836 INFO L87 Difference]: Start difference. First operand has 41 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 32 states have internal predecessors, (34), 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 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:57:47,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:57:47,872 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2024-11-13 14:57:47,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:57:47,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-13 14:57:47,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:57:47,880 INFO L225 Difference]: With dead ends: 41 [2024-11-13 14:57:47,881 INFO L226 Difference]: Without dead ends: 33 [2024-11-13 14:57:47,884 INFO L431 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 [2024-11-13 14:57:47,887 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 1 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:57:47,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 79 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:57:47,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-13 14:57:47,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-13 14:57:47,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 26 states have internal predecessors, (27), 6 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 14:57:47,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2024-11-13 14:57:47,927 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 6 [2024-11-13 14:57:47,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:57:47,928 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2024-11-13 14:57:47,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:57:47,928 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2024-11-13 14:57:47,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 14:57:47,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:57:47,929 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:57:47,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:57:47,929 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting randomErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [randomErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, randomErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, loopErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 14:57:47,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:57:47,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1363127307, now seen corresponding path program 1 times [2024-11-13 14:57:47,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:57:47,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270494567] [2024-11-13 14:57:47,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:57:47,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:57:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:57:47,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:57:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:57:47,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:57:47,980 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:57:47,982 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location randomErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-13 14:57:47,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location randomErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-13 14:57:47,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location loopErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-13 14:57:47,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location loopErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-13 14:57:47,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location loopErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-13 14:57:47,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location loopErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-13 14:57:47,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location loopErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-13 14:57:47,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location loopErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-13 14:57:47,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:57:47,991 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 14:57:48,008 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:57:48,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:57:48 BoogieIcfgContainer [2024-11-13 14:57:48,015 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:57:48,016 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:57:48,017 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:57:48,017 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:57:48,018 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:57:47" (3/4) ... [2024-11-13 14:57:48,019 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 14:57:48,059 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4510a73e-caf6-40c0-9dc7-b6d5acf27af7/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:57:48,059 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:57:48,060 INFO L158 Benchmark]: Toolchain (without parser) took 1231.72ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 71.4MB in the end (delta: 46.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 14:57:48,061 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:57:48,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.69ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 107.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:57:48,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.20ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:57:48,063 INFO L158 Benchmark]: Boogie Preprocessor took 28.42ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.4MB in the end (delta: 845.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:57:48,063 INFO L158 Benchmark]: RCFGBuilder took 399.57ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 94.3MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:57:48,064 INFO L158 Benchmark]: TraceAbstraction took 527.65ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 73.2MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:57:48,064 INFO L158 Benchmark]: Witness Printer took 43.28ms. Allocated memory is still 142.6MB. Free memory was 73.0MB in the beginning and 71.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:57:48,066 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 197.69ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 107.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.20ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.42ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.4MB in the end (delta: 845.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 399.57ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 94.3MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 527.65ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 73.2MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 43.28ms. Allocated memory is still 142.6MB. Free memory was 73.0MB in the beginning and 71.4MB in the end (delta: 1.6MB). There was no memory consumed. 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 - CounterExampleResult [Line: 35]: integer overflow possible integer overflow possible We found a FailurePath: [L25] int x = __VERIFIER_nondet_int(); [L26] int y = __VERIFIER_nondet_int(); [L27] int z = __VERIFIER_nondet_int(); [L28] CALL random() [L33] int x = __VERIFIER_nondet_int(); [L34] COND TRUE x < 0 VAL [x=-2147483648] [L35] -x - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 41 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-13 14:57:48,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4510a73e-caf6-40c0-9dc7-b6d5acf27af7/bin/uautomizer-verify-qhAvR1uOyd/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)