./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_54_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_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/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_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/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_6428c725-428c-49f5-a618-e0a3a33f8630/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 20b93f643936691b2b603c08b03c17d309d6f9936898b8f54038fe2612d40b45 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:08:22,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:08:22,318 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-14 05:08:22,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:08:22,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:08:22,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:08:22,366 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:08:22,366 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:08:22,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:08:22,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:08:22,367 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:08:22,367 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:08:22,367 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:08:22,367 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:08:22,367 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:08:22,367 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:08:22,368 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:08:22,368 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:08:22,368 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:08:22,368 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:08:22,368 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:08:22,369 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:08:22,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:08:22,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:08:22,370 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:08:22,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:08:22,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:08:22,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:08:22,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:08:22,371 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:08:22,371 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 05:08:22,371 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:08:22,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:08:22,371 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:08:22,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:08:22,371 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:08:22,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:08:22,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:08:22,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:08:22,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:08:22,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:08:22,372 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:08:22,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:08:22,372 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:08:22,372 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:08:22,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:08:22,372 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_6428c725-428c-49f5-a618-e0a3a33f8630/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 -> 20b93f643936691b2b603c08b03c17d309d6f9936898b8f54038fe2612d40b45 [2024-11-14 05:08:22,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:08:22,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:08:22,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:08:22,731 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:08:22,732 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:08:22,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i Unable to find full path for "g++" [2024-11-14 05:08:24,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:08:25,192 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:08:25,193 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i [2024-11-14 05:08:25,226 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/data/f3be411ec/32d3f7973c7040868d1470d47dcb04ee/FLAG75180fc3b [2024-11-14 05:08:25,740 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/data/f3be411ec/32d3f7973c7040868d1470d47dcb04ee [2024-11-14 05:08:25,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:08:25,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:08:25,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:08:25,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:08:25,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:08:25,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:08:25" (1/1) ... [2024-11-14 05:08:25,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330f55db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:25, skipping insertion in model container [2024-11-14 05:08:25,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:08:25" (1/1) ... [2024-11-14 05:08:25,820 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:08:26,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:08:26,841 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:08:26,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:08:27,108 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:08:27,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:27 WrapperNode [2024-11-14 05:08:27,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:08:27,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:08:27,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:08:27,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:08:27,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:27" (1/1) ... [2024-11-14 05:08:27,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:27" (1/1) ... [2024-11-14 05:08:27,158 INFO L138 Inliner]: procedures = 502, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 73 [2024-11-14 05:08:27,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:08:27,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:08:27,159 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:08:27,159 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:08:27,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:27" (1/1) ... [2024-11-14 05:08:27,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:27" (1/1) ... [2024-11-14 05:08:27,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:27" (1/1) ... [2024-11-14 05:08:27,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:27" (1/1) ... [2024-11-14 05:08:27,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:27" (1/1) ... [2024-11-14 05:08:27,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:27" (1/1) ... [2024-11-14 05:08:27,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:27" (1/1) ... [2024-11-14 05:08:27,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:27" (1/1) ... [2024-11-14 05:08:27,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:08:27,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:08:27,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:08:27,187 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:08:27,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:27" (1/1) ... [2024-11-14 05:08:27,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:08:27,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:08:27,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:08:27,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:08:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 05:08:27,249 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 05:08:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:08:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:08:27,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:08:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:08:27,388 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:08:27,390 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:08:27,539 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-14 05:08:27,539 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:08:27,577 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:08:27,577 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:08:27,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:08:27 BoogieIcfgContainer [2024-11-14 05:08:27,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:08:27,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:08:27,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:08:27,585 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:08:27,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:08:25" (1/3) ... [2024-11-14 05:08:27,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337273df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:08:27, skipping insertion in model container [2024-11-14 05:08:27,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:27" (2/3) ... [2024-11-14 05:08:27,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337273df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:08:27, skipping insertion in model container [2024-11-14 05:08:27,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:08:27" (3/3) ... [2024-11-14 05:08:27,587 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i [2024-11-14 05:08:27,603 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:08:27,604 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i that has 2 procedures, 18 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 05:08:27,657 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:08:27,669 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;@599b6fc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:08:27,669 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 05:08:27,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 13 states have internal predecessors, (15), 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 05:08:27,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-14 05:08:27,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:08:27,680 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:08:27,680 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 05:08:27,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:08:27,685 INFO L85 PathProgramCache]: Analyzing trace with hash -6613430, now seen corresponding path program 1 times [2024-11-14 05:08:27,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:08:27,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229611555] [2024-11-14 05:08:27,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:08:27,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:08:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:08:28,025 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 05:08:28,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:08:28,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229611555] [2024-11-14 05:08:28,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229611555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:08:28,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:08:28,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:08:28,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343784905] [2024-11-14 05:08:28,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:08:28,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:08:28,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:08:28,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:08:28,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:08:28,058 INFO L87 Difference]: Start difference. First operand has 18 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 13 states have internal predecessors, (15), 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 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 05:08:28,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:08:28,098 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2024-11-14 05:08:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:08:28,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2024-11-14 05:08:28,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:08:28,106 INFO L225 Difference]: With dead ends: 18 [2024-11-14 05:08:28,106 INFO L226 Difference]: Without dead ends: 13 [2024-11-14 05:08:28,109 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 05:08:28,144 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:08:28,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 23 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:08:28,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-14 05:08:28,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-14 05:08:28,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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 05:08:28,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-11-14 05:08:28,181 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2024-11-14 05:08:28,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:08:28,183 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-14 05:08:28,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 05:08:28,183 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-14 05:08:28,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-14 05:08:28,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:08:28,184 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:08:28,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:08:28,184 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 05:08:28,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:08:28,185 INFO L85 PathProgramCache]: Analyzing trace with hash -205016272, now seen corresponding path program 1 times [2024-11-14 05:08:28,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:08:28,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374342879] [2024-11-14 05:08:28,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:08:28,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:08:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:08:28,224 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:08:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:08:28,286 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:08:28,287 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:08:28,289 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 05:08:28,290 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 05:08:28,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:08:28,293 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 05:08:28,308 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:08:28,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:08:28 BoogieIcfgContainer [2024-11-14 05:08:28,312 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:08:28,312 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:08:28,313 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:08:28,313 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:08:28,313 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:08:27" (3/4) ... [2024-11-14 05:08:28,316 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:08:28,316 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:08:28,317 INFO L158 Benchmark]: Toolchain (without parser) took 2570.93ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 74.5MB in the end (delta: 13.6MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-11-14 05:08:28,317 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:08:28,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1362.60ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 78.8MB in the end (delta: 9.2MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2024-11-14 05:08:28,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.60ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:08:28,318 INFO L158 Benchmark]: Boogie Preprocessor took 26.35ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:08:28,319 INFO L158 Benchmark]: RCFGBuilder took 391.20ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 60.0MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:08:28,319 INFO L158 Benchmark]: TraceAbstraction took 731.73ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 74.5MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:08:28,319 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 74.5MB in the end (delta: 7.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:08:28,321 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1362.60ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 78.8MB in the end (delta: 9.2MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.60ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.35ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 391.20ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 60.0MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 731.73ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 74.5MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 74.5MB in the end (delta: 7.9kB). 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: 1593]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555. 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); [L1569] CALL printLine("Calling bad()...") VAL [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) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_54_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [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] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_54b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_54c_badSink(data) [L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_54d_badSink(data) [L1587] CALL CWE190_Integer_Overflow__int_fgets_multiply_54e_badSink(data) [L1591] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1593] data * 2 VAL [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: 1593]: 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 15 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=18occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 05:08:28,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/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 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_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/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_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/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_6428c725-428c-49f5-a618-e0a3a33f8630/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 20b93f643936691b2b603c08b03c17d309d6f9936898b8f54038fe2612d40b45 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:08:30,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:08:31,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-14 05:08:31,132 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:08:31,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:08:31,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:08:31,186 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:08:31,186 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:08:31,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:08:31,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:08:31,187 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:08:31,188 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:08:31,188 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:08:31,188 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:08:31,188 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:08:31,188 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:08:31,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:08:31,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:08:31,190 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:08:31,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:08:31,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:08:31,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:08:31,190 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:08:31,190 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:08:31,191 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:08:31,191 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 05:08:31,191 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:08:31,191 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:08:31,191 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:08:31,191 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:08:31,192 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:08:31,192 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:08:31,192 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:08:31,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:08:31,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:08:31,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:08:31,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:08:31,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:08:31,194 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:08:31,194 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:08:31,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:08:31,194 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:08:31,194 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_6428c725-428c-49f5-a618-e0a3a33f8630/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 -> 20b93f643936691b2b603c08b03c17d309d6f9936898b8f54038fe2612d40b45 [2024-11-14 05:08:31,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:08:31,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:08:31,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:08:31,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:08:31,507 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:08:31,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i Unable to find full path for "g++" [2024-11-14 05:08:33,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:08:33,796 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:08:33,797 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i [2024-11-14 05:08:33,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/data/6269c6b88/fa111b008c8e49c8a34076fe21c9cded/FLAG2dedf1b3b [2024-11-14 05:08:33,932 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/data/6269c6b88/fa111b008c8e49c8a34076fe21c9cded [2024-11-14 05:08:33,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:08:33,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:08:33,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:08:33,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:08:33,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:08:33,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:08:33" (1/1) ... [2024-11-14 05:08:33,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ade504e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:33, skipping insertion in model container [2024-11-14 05:08:33,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:08:33" (1/1) ... [2024-11-14 05:08:33,986 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:08:35,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:08:35,105 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:08:35,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:08:35,402 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:08:35,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:35 WrapperNode [2024-11-14 05:08:35,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:08:35,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:08:35,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:08:35,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:08:35,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:35" (1/1) ... [2024-11-14 05:08:35,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:35" (1/1) ... [2024-11-14 05:08:35,453 INFO L138 Inliner]: procedures = 507, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2024-11-14 05:08:35,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:08:35,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:08:35,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:08:35,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:08:35,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:35" (1/1) ... [2024-11-14 05:08:35,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:35" (1/1) ... [2024-11-14 05:08:35,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:35" (1/1) ... [2024-11-14 05:08:35,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:35" (1/1) ... [2024-11-14 05:08:35,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:35" (1/1) ... [2024-11-14 05:08:35,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:35" (1/1) ... [2024-11-14 05:08:35,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:35" (1/1) ... [2024-11-14 05:08:35,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:35" (1/1) ... [2024-11-14 05:08:35,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:08:35,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:08:35,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:08:35,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:08:35,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:35" (1/1) ... [2024-11-14 05:08:35,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:08:35,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:08:35,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:08:35,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:08:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 05:08:35,554 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 05:08:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:08:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:08:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:08:35,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:08:35,712 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:08:35,714 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:08:35,877 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-14 05:08:35,877 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:08:35,887 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:08:35,887 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:08:35,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:08:35 BoogieIcfgContainer [2024-11-14 05:08:35,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:08:35,890 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:08:35,891 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:08:35,896 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:08:35,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:08:33" (1/3) ... [2024-11-14 05:08:35,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d37a646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:08:35, skipping insertion in model container [2024-11-14 05:08:35,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:08:35" (2/3) ... [2024-11-14 05:08:35,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d37a646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:08:35, skipping insertion in model container [2024-11-14 05:08:35,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:08:35" (3/3) ... [2024-11-14 05:08:35,899 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i [2024-11-14 05:08:35,913 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:08:35,915 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i that has 2 procedures, 28 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 05:08:35,963 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:08:35,975 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;@3b18b5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:08:35,976 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 05:08:35,981 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 23 states have internal predecessors, (26), 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 05:08:35,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-14 05:08:35,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:08:35,989 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:08:35,989 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 05:08:35,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:08:35,996 INFO L85 PathProgramCache]: Analyzing trace with hash -922665959, now seen corresponding path program 1 times [2024-11-14 05:08:36,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:08:36,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773886359] [2024-11-14 05:08:36,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:08:36,012 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 05:08:36,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:08:36,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/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 05:08:36,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/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 05:08:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:08:36,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 05:08:36,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:08:36,285 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 05:08:36,286 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:08:36,286 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:08:36,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773886359] [2024-11-14 05:08:36,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [773886359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:08:36,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:08:36,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:08:36,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345637661] [2024-11-14 05:08:36,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:08:36,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:08:36,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:08:36,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:08:36,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:08:36,314 INFO L87 Difference]: Start difference. First operand has 28 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 23 states have internal predecessors, (26), 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 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 05:08:36,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:08:36,354 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2024-11-14 05:08:36,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:08:36,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2024-11-14 05:08:36,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:08:36,364 INFO L225 Difference]: With dead ends: 28 [2024-11-14 05:08:36,364 INFO L226 Difference]: Without dead ends: 16 [2024-11-14 05:08:36,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 05:08:36,371 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:08:36,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 52 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:08:36,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-14 05:08:36,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-14 05:08:36,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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 05:08:36,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-11-14 05:08:36,413 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 12 [2024-11-14 05:08:36,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:08:36,415 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-11-14 05:08:36,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 05:08:36,416 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-14 05:08:36,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-14 05:08:36,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:08:36,418 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:08:36,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/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 05:08:36,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/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 05:08:36,619 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 05:08:36,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:08:36,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1462126401, now seen corresponding path program 1 times [2024-11-14 05:08:36,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:08:36,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949810126] [2024-11-14 05:08:36,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:08:36,621 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 05:08:36,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:08:36,623 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/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 05:08:36,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/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 05:08:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:08:36,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:08:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:08:36,846 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 05:08:36,847 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:08:36,848 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 05:08:36,850 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 05:08:36,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/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)] Ended with exit code 0 [2024-11-14 05:08:37,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/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 05:08:37,054 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 05:08:37,080 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:08:37,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:08:37 BoogieIcfgContainer [2024-11-14 05:08:37,087 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:08:37,087 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:08:37,091 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:08:37,091 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:08:37,092 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:08:35" (3/4) ... [2024-11-14 05:08:37,095 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:08:37,097 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:08:37,098 INFO L158 Benchmark]: Toolchain (without parser) took 3163.19ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 87.9MB in the beginning and 240.7MB in the end (delta: -152.8MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-11-14 05:08:37,099 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:08:37,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1466.76ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 66.2MB in the end (delta: 21.6MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-14 05:08:37,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.64ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:08:37,100 INFO L158 Benchmark]: Boogie Preprocessor took 38.77ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 61.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:08:37,101 INFO L158 Benchmark]: RCFGBuilder took 394.52ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 46.9MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:08:37,105 INFO L158 Benchmark]: TraceAbstraction took 1196.23ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 46.4MB in the beginning and 240.8MB in the end (delta: -194.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:08:37,105 INFO L158 Benchmark]: Witness Printer took 10.28ms. Allocated memory is still 293.6MB. Free memory was 240.8MB in the beginning and 240.7MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:08:37,107 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1466.76ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 66.2MB in the end (delta: 21.6MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.64ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.77ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 61.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 394.52ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 46.9MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1196.23ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 46.4MB in the beginning and 240.8MB in the end (delta: -194.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.28ms. Allocated memory is still 293.6MB. Free memory was 240.8MB in the beginning and 240.7MB 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: 1593]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL printLine("Calling bad()...") VAL [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) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_54_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [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] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_54b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_54c_badSink(data) [L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_54d_badSink(data) [L1587] CALL CWE190_Integer_Overflow__int_fgets_multiply_54e_badSink(data) [L1591] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1074266112, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1593] data * 2 VAL [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: 1593]: 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, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 28 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 66 ConjunctsInSsa, 2 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 05:08:37,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6428c725-428c-49f5-a618-e0a3a33f8630/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 Result: UNKNOWN: Overapproximated counterexample