./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/min_rf.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_28196461-c47d-414b-b03d-a79c1e722973/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28196461-c47d-414b-b03d-a79c1e722973/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28196461-c47d-414b-b03d-a79c1e722973/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28196461-c47d-414b-b03d-a79c1e722973/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/min_rf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28196461-c47d-414b-b03d-a79c1e722973/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28196461-c47d-414b-b03d-a79c1e722973/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9442b91b34d1534e654ccb2ff614d1bcc5a78e4993d344efa390c901105881d4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:33:17,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:33:17,950 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28196461-c47d-414b-b03d-a79c1e722973/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-14 05:33:17,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:33:17,964 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:33:17,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:33:17,990 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:33:17,991 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:33:17,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:33:17,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:33:17,991 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:33:17,992 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:33:17,992 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:33:17,992 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:33:17,992 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:33:17,992 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:33:17,993 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:33:17,993 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:33:17,993 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:33:17,993 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:33:17,993 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:33:17,994 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:33:17,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:33:17,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:33:17,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:33:17,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:33:17,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:33:17,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:33:17,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:33:17,995 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:33:17,996 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 05:33:17,996 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:33:17,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:33:17,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:33:17,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:33:17,997 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:33:17,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:33:17,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:33:17,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:33:17,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:33:17,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:33:17,998 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:33:17,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:33:17,998 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:33:17,998 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:33:17,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:33:17,998 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_28196461-c47d-414b-b03d-a79c1e722973/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 9442b91b34d1534e654ccb2ff614d1bcc5a78e4993d344efa390c901105881d4 [2024-11-14 05:33:18,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:33:18,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:33:18,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:33:18,392 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:33:18,393 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:33:18,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28196461-c47d-414b-b03d-a79c1e722973/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/termination-crafted-lit/min_rf.c Unable to find full path for "g++" [2024-11-14 05:33:20,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:33:20,809 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:33:20,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28196461-c47d-414b-b03d-a79c1e722973/sv-benchmarks/c/termination-crafted-lit/min_rf.c [2024-11-14 05:33:20,818 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28196461-c47d-414b-b03d-a79c1e722973/bin/utaipan-verify-sOmjnqqW8E/data/18c37d7a6/d6e633f6d0424b829cc8b98194276aff/FLAG2bf475f1f [2024-11-14 05:33:20,835 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28196461-c47d-414b-b03d-a79c1e722973/bin/utaipan-verify-sOmjnqqW8E/data/18c37d7a6/d6e633f6d0424b829cc8b98194276aff [2024-11-14 05:33:20,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:33:20,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:33:20,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:33:20,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:33:20,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:33:20,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:33:20" (1/1) ... [2024-11-14 05:33:20,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b56567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:20, skipping insertion in model container [2024-11-14 05:33:20,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:33:20" (1/1) ... [2024-11-14 05:33:20,866 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:33:21,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:33:21,096 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:33:21,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:33:21,130 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:33:21,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:21 WrapperNode [2024-11-14 05:33:21,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:33:21,132 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:33:21,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:33:21,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:33:21,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:21" (1/1) ... [2024-11-14 05:33:21,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:21" (1/1) ... [2024-11-14 05:33:21,165 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2024-11-14 05:33:21,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:33:21,166 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:33:21,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:33:21,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:33:21,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:21" (1/1) ... [2024-11-14 05:33:21,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:21" (1/1) ... [2024-11-14 05:33:21,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:21" (1/1) ... [2024-11-14 05:33:21,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:21" (1/1) ... [2024-11-14 05:33:21,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:21" (1/1) ... [2024-11-14 05:33:21,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:21" (1/1) ... [2024-11-14 05:33:21,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:21" (1/1) ... [2024-11-14 05:33:21,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:21" (1/1) ... [2024-11-14 05:33:21,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:33:21,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:33:21,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:33:21,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:33:21,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:21" (1/1) ... [2024-11-14 05:33:21,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:33:21,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28196461-c47d-414b-b03d-a79c1e722973/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:33:21,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28196461-c47d-414b-b03d-a79c1e722973/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:33:21,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28196461-c47d-414b-b03d-a79c1e722973/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:33:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:33:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:33:21,354 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:33:21,356 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:33:21,585 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-14 05:33:21,587 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:33:21,654 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:33:21,655 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:33:21,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:33:21 BoogieIcfgContainer [2024-11-14 05:33:21,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:33:21,659 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:33:21,659 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:33:21,667 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:33:21,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:33:20" (1/3) ... [2024-11-14 05:33:21,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27bfc04b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:33:21, skipping insertion in model container [2024-11-14 05:33:21,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:21" (2/3) ... [2024-11-14 05:33:21,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27bfc04b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:33:21, skipping insertion in model container [2024-11-14 05:33:21,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:33:21" (3/3) ... [2024-11-14 05:33:21,672 INFO L112 eAbstractionObserver]: Analyzing ICFG min_rf.c [2024-11-14 05:33:21,695 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:33:21,696 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG min_rf.c that has 1 procedures, 28 locations, 1 initial locations, 1 loop locations, and 12 error locations. [2024-11-14 05:33:21,776 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:33:21,796 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=FINITE_AUTOMATA, 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;@10b43116, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:33:21,796 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-14 05:33:21,801 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 27 states have internal predecessors, (29), 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) [2024-11-14 05:33:21,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 05:33:21,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:21,810 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 05:33:21,810 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-14 05:33:21,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:21,818 INFO L85 PathProgramCache]: Analyzing trace with hash 2650566, now seen corresponding path program 1 times [2024-11-14 05:33:21,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:33:21,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943927599] [2024-11-14 05:33:21,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:21,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:33:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:33:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:33:22,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:33:22,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943927599] [2024-11-14 05:33:22,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943927599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:33:22,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:33:22,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:33:22,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028418041] [2024-11-14 05:33:22,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:33:22,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:33:22,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:33:22,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:33:22,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:33:22,108 INFO L87 Difference]: Start difference. First operand has 28 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 27 states have internal predecessors, (29), 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-14 05:33:22,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:33:22,205 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2024-11-14 05:33:22,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:33:22,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) Word has length 4 [2024-11-14 05:33:22,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:33:22,215 INFO L225 Difference]: With dead ends: 28 [2024-11-14 05:33:22,215 INFO L226 Difference]: Without dead ends: 25 [2024-11-14 05:33:22,219 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 [2024-11-14 05:33:22,224 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 3 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:33:22,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 24 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:33:22,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-14 05:33:22,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-14 05:33:22,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 24 states have internal predecessors, (26), 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) [2024-11-14 05:33:22,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2024-11-14 05:33:22,260 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 4 [2024-11-14 05:33:22,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:33:22,260 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2024-11-14 05:33:22,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-14 05:33:22,261 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2024-11-14 05:33:22,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 05:33:22,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:22,261 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 05:33:22,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:33:22,262 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-14 05:33:22,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:22,262 INFO L85 PathProgramCache]: Analyzing trace with hash 82167614, now seen corresponding path program 1 times [2024-11-14 05:33:22,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:33:22,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15369849] [2024-11-14 05:33:22,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:22,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:33:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:33:22,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:33:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:33:22,304 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:33:22,304 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:33:22,305 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-11-14 05:33:22,307 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-11-14 05:33:22,307 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-11-14 05:33:22,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-11-14 05:33:22,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-11-14 05:33:22,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-11-14 05:33:22,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-11-14 05:33:22,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-11-14 05:33:22,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-11-14 05:33:22,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-11-14 05:33:22,309 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-11-14 05:33:22,309 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-11-14 05:33:22,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:33:22,312 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 05:33:22,329 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:33:22,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:33:22 BoogieIcfgContainer [2024-11-14 05:33:22,333 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:33:22,333 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:33:22,333 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:33:22,334 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:33:22,334 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:33:21" (3/4) ... [2024-11-14 05:33:22,335 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-14 05:33:22,372 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28196461-c47d-414b-b03d-a79c1e722973/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 05:33:22,372 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:33:22,373 INFO L158 Benchmark]: Toolchain (without parser) took 1532.73ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 45.4MB in the end (delta: 47.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-14 05:33:22,373 INFO L158 Benchmark]: CDTParser took 1.62ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:33:22,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.01ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 83.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:33:22,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.07ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:33:22,374 INFO L158 Benchmark]: Boogie Preprocessor took 17.27ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 81.2MB in the end (delta: 731.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:33:22,375 INFO L158 Benchmark]: RCFGBuilder took 470.76ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 69.2MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:33:22,375 INFO L158 Benchmark]: TraceAbstraction took 674.14ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 47.2MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:33:22,376 INFO L158 Benchmark]: Witness Printer took 38.61ms. Allocated memory is still 117.4MB. Free memory was 47.2MB in the beginning and 45.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:33:22,378 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.62ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.01ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 83.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.07ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.27ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 81.2MB in the end (delta: 731.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 470.76ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 69.2MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 674.14ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 47.2MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 38.61ms. Allocated memory is still 117.4MB. Free memory was 47.2MB in the beginning and 45.4MB in the end (delta: 1.8MB). 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: 32]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int x,y; [L16] int z; [L18] x = __VERIFIER_nondet_int() [L19] y = __VERIFIER_nondet_int() [L21] COND TRUE y > 0 && x > 0 [L22] COND TRUE x>y [L23] z = y [L27] COND FALSE !(__VERIFIER_nondet_int() != 0) [L32] y+x VAL [z=2147483646] - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 30]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 30]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: 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 1 procedures, 28 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 18 mSDtfsCounter, 25 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=28occurred 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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! [2024-11-14 05:33:22,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28196461-c47d-414b-b03d-a79c1e722973/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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)