./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_45_bad.i --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_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/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_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/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_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/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 0154aeb4546438fd959913f3ea1edb15628dae975b6748d0437c64955b16ea8a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:31:20,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:31:20,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-14 05:31:20,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:31:20,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:31:20,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:31:20,588 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:31:20,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:31:20,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:31:20,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:31:20,590 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:31:20,591 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:31:20,592 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:31:20,592 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:31:20,592 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:31:20,592 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:31:20,592 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:31:20,592 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:31:20,592 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:31:20,593 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:31:20,593 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:31:20,593 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:31:20,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:31:20,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:31:20,594 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:31:20,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:31:20,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:31:20,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:31:20,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:31:20,595 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:31:20,595 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 05:31:20,596 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:31:20,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:31:20,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:31:20,597 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:31:20,597 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:31:20,598 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:31:20,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:31:20,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:31:20,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:31:20,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:31:20,598 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:31:20,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:31:20,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:31:20,599 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:31:20,599 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:31:20,599 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_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/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 -> 0154aeb4546438fd959913f3ea1edb15628dae975b6748d0437c64955b16ea8a [2024-11-14 05:31:21,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:31:21,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:31:21,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:31:21,042 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:31:21,042 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:31:21,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_45_bad.i Unable to find full path for "g++" [2024-11-14 05:31:23,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:31:23,829 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:31:23,830 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_45_bad.i [2024-11-14 05:31:23,876 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/data/60f41d167/d490ebc6821441fa91d3fef4feeff2eb/FLAG07dfbd7b6 [2024-11-14 05:31:23,896 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/data/60f41d167/d490ebc6821441fa91d3fef4feeff2eb [2024-11-14 05:31:23,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:31:23,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:31:23,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:31:23,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:31:23,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:31:23,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:31:23" (1/1) ... [2024-11-14 05:31:23,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43daa4a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:23, skipping insertion in model container [2024-11-14 05:31:23,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:31:23" (1/1) ... [2024-11-14 05:31:23,987 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:31:25,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:31:25,110 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:31:25,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:31:25,446 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:31:25,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:25 WrapperNode [2024-11-14 05:31:25,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:31:25,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:31:25,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:31:25,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:31:25,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:25" (1/1) ... [2024-11-14 05:31:25,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:25" (1/1) ... [2024-11-14 05:31:25,500 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2024-11-14 05:31:25,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:31:25,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:31:25,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:31:25,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:31:25,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:25" (1/1) ... [2024-11-14 05:31:25,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:25" (1/1) ... [2024-11-14 05:31:25,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:25" (1/1) ... [2024-11-14 05:31:25,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:25" (1/1) ... [2024-11-14 05:31:25,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:25" (1/1) ... [2024-11-14 05:31:25,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:25" (1/1) ... [2024-11-14 05:31:25,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:25" (1/1) ... [2024-11-14 05:31:25,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:25" (1/1) ... [2024-11-14 05:31:25,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:31:25,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:31:25,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:31:25,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:31:25,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:25" (1/1) ... [2024-11-14 05:31:25,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:31:25,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:31:25,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:31:25,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:31:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 05:31:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 05:31:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:31:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:31:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:31:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:31:25,777 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:31:25,778 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:31:25,910 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-14 05:31:25,910 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:31:25,955 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:31:25,956 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:31:25,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:31:25 BoogieIcfgContainer [2024-11-14 05:31:25,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:31:25,959 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:31:25,959 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:31:25,965 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:31:25,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:31:23" (1/3) ... [2024-11-14 05:31:25,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1659ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:31:25, skipping insertion in model container [2024-11-14 05:31:25,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:25" (2/3) ... [2024-11-14 05:31:25,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1659ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:31:25, skipping insertion in model container [2024-11-14 05:31:25,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:31:25" (3/3) ... [2024-11-14 05:31:25,971 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_45_bad.i [2024-11-14 05:31:25,989 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:31:25,991 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_add_45_bad.i that has 2 procedures, 16 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 05:31:26,064 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:31:26,086 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;@6ce5b1e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:31:26,086 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 05:31:26,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 11 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 05:31:26,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 05:31:26,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:31:26,102 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:31:26,102 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 05:31:26,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:31:26,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1025860527, now seen corresponding path program 1 times [2024-11-14 05:31:26,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:31:26,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329108960] [2024-11-14 05:31:26,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:31:26,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:31:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:31:26,711 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 05:31:26,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:31:26,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329108960] [2024-11-14 05:31:26,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329108960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:31:26,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:31:26,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:31:26,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954239770] [2024-11-14 05:31:26,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:31:26,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:31:26,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:31:26,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:31:26,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:31:26,747 INFO L87 Difference]: Start difference. First operand has 16 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 11 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 05:31:26,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:31:26,824 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2024-11-14 05:31:26,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:31:26,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2024-11-14 05:31:26,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:31:26,834 INFO L225 Difference]: With dead ends: 16 [2024-11-14 05:31:26,834 INFO L226 Difference]: Without dead ends: 12 [2024-11-14 05:31:26,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:31:26,844 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:31:26,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 25 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:31:26,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-14 05:31:26,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-14 05:31:26,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 05:31:26,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2024-11-14 05:31:26,895 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 8 [2024-11-14 05:31:26,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:31:26,897 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2024-11-14 05:31:26,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 05:31:26,897 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-14 05:31:26,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-14 05:31:26,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:31:26,898 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:31:26,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:31:26,899 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 05:31:26,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:31:26,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1736905320, now seen corresponding path program 1 times [2024-11-14 05:31:26,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:31:26,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590346694] [2024-11-14 05:31:26,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:31:26,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:31:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:31:26,969 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:31:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:31:27,051 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:31:27,051 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:31:27,053 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 05:31:27,055 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 05:31:27,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:31:27,060 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 05:31:27,091 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:31:27,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:31:27 BoogieIcfgContainer [2024-11-14 05:31:27,099 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:31:27,100 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:31:27,101 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:31:27,102 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:31:27,102 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:31:25" (3/4) ... [2024-11-14 05:31:27,106 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:31:27,107 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:31:27,108 INFO L158 Benchmark]: Toolchain (without parser) took 3207.95ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 109.2MB in the end (delta: 6.8MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-11-14 05:31:27,108 INFO L158 Benchmark]: CDTParser took 1.42ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:31:27,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1547.13ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 107.4MB in the end (delta: 8.4MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-14 05:31:27,110 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.01ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 104.7MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:31:27,114 INFO L158 Benchmark]: Boogie Preprocessor took 33.77ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:31:27,115 INFO L158 Benchmark]: RCFGBuilder took 420.43ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 88.8MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:31:27,115 INFO L158 Benchmark]: TraceAbstraction took 1140.04ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 110.0MB in the end (delta: -21.5MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2024-11-14 05:31:27,115 INFO L158 Benchmark]: Witness Printer took 6.96ms. Allocated memory is still 142.6MB. Free memory was 110.0MB in the beginning and 109.2MB in the end (delta: 802.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:31:27,118 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1547.13ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 107.4MB in the end (delta: 8.4MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.01ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 104.7MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.77ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 420.43ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 88.8MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1140.04ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 110.0MB in the end (delta: -21.5MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. * Witness Printer took 6.96ms. Allocated memory is still 142.6MB. Free memory was 110.0MB in the beginning and 109.2MB in the end (delta: 802.7kB). 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 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1567, overapproximation of large string literal at line 1580, overapproximation of fgets at line 1565. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE190_Integer_Overflow__int_fgets_add_45_badData; [L1549] static int CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData; [L1550] static int CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData; [L1580] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] CALL CWE190_Integer_Overflow__int_fgets_add_45_bad() [L1561] int data; [L1562] data = 0 [L1564] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1567] data = atoi(inputBuffer) [L1574] CWE190_Integer_Overflow__int_fgets_add_45_badData = data [L1575] CALL badSink() [L1553] int data = CWE190_Integer_Overflow__int_fgets_add_45_badData; VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=2147483647, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data + 1 VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=2147483647, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: 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 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 10 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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 could not prove your program: unable to determine feasibility of some traces [2024-11-14 05:31:27,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/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_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/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 0154aeb4546438fd959913f3ea1edb15628dae975b6748d0437c64955b16ea8a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:31:30,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:31:30,470 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-14 05:31:30,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:31:30,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:31:30,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:31:30,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:31:30,568 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:31:30,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:31:30,568 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:31:30,569 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:31:30,569 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:31:30,569 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:31:30,569 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:31:30,569 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:31:30,569 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:31:30,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:31:30,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:31:30,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:31:30,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:31:30,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:31:30,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:31:30,575 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:31:30,576 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:31:30,576 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:31:30,576 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 05:31:30,576 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:31:30,576 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:31:30,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:31:30,576 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:31:30,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:31:30,577 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:31:30,577 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:31:30,577 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:31:30,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:31:30,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:31:30,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:31:30,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:31:30,577 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:31:30,578 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:31:30,578 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:31:30,578 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:31:30,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/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 -> 0154aeb4546438fd959913f3ea1edb15628dae975b6748d0437c64955b16ea8a [2024-11-14 05:31:30,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:31:30,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:31:30,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:31:30,980 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:31:30,981 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:31:30,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_45_bad.i Unable to find full path for "g++" [2024-11-14 05:31:33,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:31:33,914 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:31:33,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_45_bad.i [2024-11-14 05:31:33,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/data/97348955d/d84f725fd8eb4839a4e6250657b12dcc/FLAG5f0ea0dcf [2024-11-14 05:31:33,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/data/97348955d/d84f725fd8eb4839a4e6250657b12dcc [2024-11-14 05:31:33,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:31:33,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:31:33,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:31:33,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:31:34,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:31:34,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:31:33" (1/1) ... [2024-11-14 05:31:34,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@625b3ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:34, skipping insertion in model container [2024-11-14 05:31:34,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:31:33" (1/1) ... [2024-11-14 05:31:34,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:31:35,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:31:35,434 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:31:35,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:31:35,797 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:31:35,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:35 WrapperNode [2024-11-14 05:31:35,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:31:35,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:31:35,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:31:35,800 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:31:35,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:35" (1/1) ... [2024-11-14 05:31:35,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:35" (1/1) ... [2024-11-14 05:31:35,885 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 69 [2024-11-14 05:31:35,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:31:35,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:31:35,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:31:35,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:31:35,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:35" (1/1) ... [2024-11-14 05:31:35,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:35" (1/1) ... [2024-11-14 05:31:35,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:35" (1/1) ... [2024-11-14 05:31:35,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:35" (1/1) ... [2024-11-14 05:31:35,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:35" (1/1) ... [2024-11-14 05:31:35,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:35" (1/1) ... [2024-11-14 05:31:35,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:35" (1/1) ... [2024-11-14 05:31:35,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:35" (1/1) ... [2024-11-14 05:31:35,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:31:35,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:31:35,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:31:35,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:31:35,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:35" (1/1) ... [2024-11-14 05:31:35,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:31:35,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:31:35,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:31:35,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:31:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 05:31:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 05:31:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:31:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:31:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:31:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:31:36,224 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:31:36,226 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:31:36,452 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-14 05:31:36,452 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:31:36,463 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:31:36,463 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:31:36,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:31:36 BoogieIcfgContainer [2024-11-14 05:31:36,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:31:36,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:31:36,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:31:36,478 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:31:36,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:31:33" (1/3) ... [2024-11-14 05:31:36,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5803d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:31:36, skipping insertion in model container [2024-11-14 05:31:36,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:35" (2/3) ... [2024-11-14 05:31:36,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5803d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:31:36, skipping insertion in model container [2024-11-14 05:31:36,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:31:36" (3/3) ... [2024-11-14 05:31:36,482 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_45_bad.i [2024-11-14 05:31:36,501 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:31:36,503 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_add_45_bad.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 05:31:36,581 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:31:36,602 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;@9a82f52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:31:36,604 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 05:31:36,609 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 05:31:36,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 05:31:36,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:31:36,619 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:31:36,620 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 05:31:36,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:31:36,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1415281768, now seen corresponding path program 1 times [2024-11-14 05:31:36,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:31:36,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1349700030] [2024-11-14 05:31:36,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:31:36,644 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:31:36,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:31:36,647 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:31:36,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 05:31:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:31:36,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:31:36,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:31:36,934 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 05:31:36,934 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:31:36,935 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:31:36,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1349700030] [2024-11-14 05:31:36,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1349700030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:31:36,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:31:36,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 05:31:36,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243233515] [2024-11-14 05:31:36,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:31:36,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:31:36,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:31:36,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:31:36,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:31:36,975 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 9.0) 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) [2024-11-14 05:31:36,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:31:36,994 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2024-11-14 05:31:36,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:31:36,996 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) 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 [2024-11-14 05:31:36,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:31:37,003 INFO L225 Difference]: With dead ends: 24 [2024-11-14 05:31:37,003 INFO L226 Difference]: Without dead ends: 15 [2024-11-14 05:31:37,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:31:37,012 INFO L432 NwaCegarLoop]: 26 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, 26 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 [2024-11-14 05:31:37,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:31:37,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-14 05:31:37,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-14 05:31:37,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 05:31:37,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-14 05:31:37,063 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2024-11-14 05:31:37,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:31:37,064 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-14 05:31:37,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) 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) [2024-11-14 05:31:37,064 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-14 05:31:37,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-14 05:31:37,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:31:37,065 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:31:37,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 05:31:37,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:31:37,267 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 05:31:37,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:31:37,268 INFO L85 PathProgramCache]: Analyzing trace with hash 924061903, now seen corresponding path program 1 times [2024-11-14 05:31:37,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:31:37,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087873454] [2024-11-14 05:31:37,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:31:37,273 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:31:37,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:31:37,276 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:31:37,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 05:31:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:31:37,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:31:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:31:37,527 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 05:31:37,527 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:31:37,529 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 05:31:37,531 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 05:31:37,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-14 05:31:37,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:31:37,738 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 05:31:37,782 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:31:37,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:31:37 BoogieIcfgContainer [2024-11-14 05:31:37,789 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:31:37,790 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:31:37,790 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:31:37,791 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:31:37,792 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:31:36" (3/4) ... [2024-11-14 05:31:37,795 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:31:37,796 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:31:37,797 INFO L158 Benchmark]: Toolchain (without parser) took 3803.96ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 69.6MB in the end (delta: 19.7MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-11-14 05:31:37,797 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:31:37,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1803.28ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 68.3MB in the end (delta: 21.0MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-14 05:31:37,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.13ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 65.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:31:37,798 INFO L158 Benchmark]: Boogie Preprocessor took 35.54ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 63.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:31:37,799 INFO L158 Benchmark]: RCFGBuilder took 541.51ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 50.1MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:31:37,799 INFO L158 Benchmark]: TraceAbstraction took 1319.66ms. Allocated memory is still 117.4MB. Free memory was 49.6MB in the beginning and 69.6MB in the end (delta: -20.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:31:37,800 INFO L158 Benchmark]: Witness Printer took 5.80ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 69.6MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:31:37,802 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1803.28ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 68.3MB in the end (delta: 21.0MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.13ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 65.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.54ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 63.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 541.51ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 50.1MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1319.66ms. Allocated memory is still 117.4MB. Free memory was 49.6MB in the beginning and 69.6MB in the end (delta: -20.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.80ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 69.6MB in the end (delta: 42.6kB). 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 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1567, overapproximation of large string literal at line 1580, overapproximation of fgets at line 1565. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE190_Integer_Overflow__int_fgets_add_45_badData; [L1549] static int CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData; [L1550] static int CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData; VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] CALL CWE190_Integer_Overflow__int_fgets_add_45_bad() [L1561] int data; [L1562] data = 0 [L1564] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1567] data = atoi(inputBuffer) [L1574] CWE190_Integer_Overflow__int_fgets_add_45_badData = data [L1575] CALL badSink() [L1553] int data = CWE190_Integer_Overflow__int_fgets_add_45_badData; VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=2147483647, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data + 1 VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=2147483647, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: 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 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 62 ConjunctsInSsa, 1 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 could not prove your program: unable to determine feasibility of some traces [2024-11-14 05:31:37,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc1e4d49-74cc-48be-9a89-b2d7fcb9febf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample