./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_68_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_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/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_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/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_60f39479-5ea0-4228-a867-f6e8bd02bb3e/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 15abb7e7433d900f49f8ae188632a5f511b789dc7b16b9f8b66a95331c5a24bd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:44:45,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:44:45,491 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-14 04:44:45,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:44:45,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:44:45,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:44:45,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:44:45,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:44:45,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:44:45,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:44:45,548 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:44:45,548 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:44:45,548 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:44:45,548 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:44:45,548 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:44:45,550 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:44:45,550 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:44:45,550 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:44:45,550 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:44:45,551 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:44:45,551 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:44:45,551 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:44:45,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:44:45,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:44:45,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:44:45,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:44:45,552 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:44:45,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:44:45,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:44:45,552 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:44:45,552 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 04:44:45,552 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:44:45,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:44:45,553 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:44:45,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:44:45,553 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:44:45,553 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:44:45,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:44:45,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:44:45,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:44:45,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:44:45,553 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:44:45,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:44:45,554 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:44:45,554 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:44:45,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:44:45,554 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_60f39479-5ea0-4228-a867-f6e8bd02bb3e/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 -> 15abb7e7433d900f49f8ae188632a5f511b789dc7b16b9f8b66a95331c5a24bd [2024-11-14 04:44:45,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:44:45,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:44:45,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:44:45,973 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:44:45,973 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:44:45,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i Unable to find full path for "g++" [2024-11-14 04:44:47,977 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:44:48,657 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:44:48,661 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i [2024-11-14 04:44:48,709 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/data/3f02b4d55/41b8f5fdc13549de98a786de8dcd3043/FLAGb42d0c47b [2024-11-14 04:44:48,732 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/data/3f02b4d55/41b8f5fdc13549de98a786de8dcd3043 [2024-11-14 04:44:48,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:44:48,742 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:44:48,746 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:44:48,746 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:44:48,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:44:48,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:44:48" (1/1) ... [2024-11-14 04:44:48,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607e305b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:48, skipping insertion in model container [2024-11-14 04:44:48,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:44:48" (1/1) ... [2024-11-14 04:44:48,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:44:49,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:44:49,888 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:44:49,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:44:50,143 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:44:50,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:50 WrapperNode [2024-11-14 04:44:50,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:44:50,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:44:50,145 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:44:50,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:44:50,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:50" (1/1) ... [2024-11-14 04:44:50,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:50" (1/1) ... [2024-11-14 04:44:50,190 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-11-14 04:44:50,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:44:50,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:44:50,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:44:50,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:44:50,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:50" (1/1) ... [2024-11-14 04:44:50,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:50" (1/1) ... [2024-11-14 04:44:50,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:50" (1/1) ... [2024-11-14 04:44:50,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:50" (1/1) ... [2024-11-14 04:44:50,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:50" (1/1) ... [2024-11-14 04:44:50,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:50" (1/1) ... [2024-11-14 04:44:50,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:50" (1/1) ... [2024-11-14 04:44:50,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:50" (1/1) ... [2024-11-14 04:44:50,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:44:50,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:44:50,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:44:50,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:44:50,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:50" (1/1) ... [2024-11-14 04:44:50,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:44:50,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:44:50,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:44:50,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:44:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 04:44:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 04:44:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:44:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:44:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:44:50,536 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:44:50,539 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:44:50,696 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-14 04:44:50,696 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:44:50,766 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:44:50,766 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 04:44:50,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:44:50 BoogieIcfgContainer [2024-11-14 04:44:50,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:44:50,769 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:44:50,769 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:44:50,778 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:44:50,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:44:48" (1/3) ... [2024-11-14 04:44:50,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e834a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:44:50, skipping insertion in model container [2024-11-14 04:44:50,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:50" (2/3) ... [2024-11-14 04:44:50,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e834a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:44:50, skipping insertion in model container [2024-11-14 04:44:50,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:44:50" (3/3) ... [2024-11-14 04:44:50,782 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i [2024-11-14 04:44:50,806 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:44:50,807 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i that has 2 procedures, 12 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 04:44:50,886 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:44:50,907 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;@6e101f8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:44:50,908 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 04:44:50,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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 04:44:50,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-14 04:44:50,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:44:50,923 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-14 04:44:50,923 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 04:44:50,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:44:50,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1830714995, now seen corresponding path program 1 times [2024-11-14 04:44:50,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:44:50,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353955378] [2024-11-14 04:44:50,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:44:50,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:44:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:44:51,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:44:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:44:51,144 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:44:51,145 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:44:51,146 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 04:44:51,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 04:44:51,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:44:51,158 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:44:51,194 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:44:51,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:44:51 BoogieIcfgContainer [2024-11-14 04:44:51,200 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:44:51,201 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:44:51,201 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:44:51,202 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:44:51,202 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:44:50" (3/4) ... [2024-11-14 04:44:51,205 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:44:51,206 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:44:51,208 INFO L158 Benchmark]: Toolchain (without parser) took 2465.93ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 51.9MB in the end (delta: 39.7MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-14 04:44:51,211 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:44:51,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1398.50ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 83.4MB in the end (delta: 8.0MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-14 04:44:51,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.40ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 81.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:44:51,212 INFO L158 Benchmark]: Boogie Preprocessor took 42.67ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 79.8MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:44:51,212 INFO L158 Benchmark]: RCFGBuilder took 532.13ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 66.8MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:44:51,213 INFO L158 Benchmark]: TraceAbstraction took 431.39ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 51.9MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:44:51,213 INFO L158 Benchmark]: Witness Printer took 5.72ms. Allocated memory is still 117.4MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:44:51,218 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1398.50ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 83.4MB in the end (delta: 8.0MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.40ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 81.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.67ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 79.8MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 532.13ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 66.8MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 431.39ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 51.9MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.72ms. Allocated memory is still 117.4MB. Free memory is still 51.9MB. 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: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1563. 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); [L1549] int CWE191_Integer_Underflow__int_fscanf_postdec_68_goodG2BData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_68_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] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_postdec_68_bad() [L1554] int data; [L1555] data = 0 [L1557] CWE191_Integer_Underflow__int_fscanf_postdec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_fscanf_postdec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_fscanf_postdec_68_badData; [L1575] data-- VAL [CWE191_Integer_Underflow__int_fscanf_postdec_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_postdec_68_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: 1575]: 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 04:44:51,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/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_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/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_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/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_60f39479-5ea0-4228-a867-f6e8bd02bb3e/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 15abb7e7433d900f49f8ae188632a5f511b789dc7b16b9f8b66a95331c5a24bd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:44:54,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:44:54,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-14 04:44:54,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:44:54,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:44:54,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:44:54,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:44:54,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:44:54,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:44:54,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:44:54,456 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:44:54,457 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:44:54,457 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:44:54,457 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:44:54,457 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:44:54,457 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:44:54,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:44:54,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:44:54,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:44:54,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:44:54,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:44:54,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:44:54,458 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:44:54,458 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:44:54,458 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:44:54,459 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 04:44:54,459 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:44:54,459 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:44:54,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:44:54,459 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:44:54,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:44:54,459 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:44:54,459 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:44:54,460 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:44:54,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:44:54,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:44:54,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:44:54,460 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:44:54,460 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:44:54,460 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:44:54,460 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:44:54,460 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:44:54,461 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_60f39479-5ea0-4228-a867-f6e8bd02bb3e/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 -> 15abb7e7433d900f49f8ae188632a5f511b789dc7b16b9f8b66a95331c5a24bd [2024-11-14 04:44:54,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:44:54,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:44:54,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:44:54,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:44:54,843 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:44:54,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i Unable to find full path for "g++" [2024-11-14 04:44:56,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:44:57,488 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:44:57,488 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i [2024-11-14 04:44:57,518 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/data/69f5b1116/a6eada783fbe4ccc8da6d876db32a85e/FLAGecdfb8848 [2024-11-14 04:44:58,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/data/69f5b1116/a6eada783fbe4ccc8da6d876db32a85e [2024-11-14 04:44:58,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:44:58,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:44:58,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:44:58,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:44:58,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:44:58,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:44:58" (1/1) ... [2024-11-14 04:44:58,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@410e4e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:58, skipping insertion in model container [2024-11-14 04:44:58,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:44:58" (1/1) ... [2024-11-14 04:44:58,086 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:44:59,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:44:59,127 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:44:59,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:44:59,495 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:44:59,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:59 WrapperNode [2024-11-14 04:44:59,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:44:59,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:44:59,502 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:44:59,502 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:44:59,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:59" (1/1) ... [2024-11-14 04:44:59,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:59" (1/1) ... [2024-11-14 04:44:59,607 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-14 04:44:59,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:44:59,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:44:59,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:44:59,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:44:59,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:59" (1/1) ... [2024-11-14 04:44:59,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:59" (1/1) ... [2024-11-14 04:44:59,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:59" (1/1) ... [2024-11-14 04:44:59,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:59" (1/1) ... [2024-11-14 04:44:59,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:59" (1/1) ... [2024-11-14 04:44:59,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:59" (1/1) ... [2024-11-14 04:44:59,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:59" (1/1) ... [2024-11-14 04:44:59,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:59" (1/1) ... [2024-11-14 04:44:59,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:44:59,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:44:59,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:44:59,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:44:59,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:59" (1/1) ... [2024-11-14 04:44:59,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:44:59,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:44:59,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:44:59,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:44:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 04:44:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 04:44:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:44:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:44:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:44:59,898 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:44:59,900 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:45:00,034 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-14 04:45:00,034 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:45:00,045 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:45:00,045 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 04:45:00,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:45:00 BoogieIcfgContainer [2024-11-14 04:45:00,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:45:00,050 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:45:00,050 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:45:00,056 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:45:00,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:44:58" (1/3) ... [2024-11-14 04:45:00,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b88376f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:45:00, skipping insertion in model container [2024-11-14 04:45:00,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:59" (2/3) ... [2024-11-14 04:45:00,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b88376f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:45:00, skipping insertion in model container [2024-11-14 04:45:00,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:45:00" (3/3) ... [2024-11-14 04:45:00,061 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i [2024-11-14 04:45:00,081 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:45:00,083 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i that has 2 procedures, 20 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 04:45:00,147 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:45:00,162 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;@21b18212, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:45:00,162 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 04:45:00,168 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 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 04:45:00,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-14 04:45:00,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:45:00,178 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:45:00,180 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 04:45:00,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:45:00,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-14 04:45:00,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:45:00,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [620587377] [2024-11-14 04:45:00,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:45:00,204 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 04:45:00,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:45:00,207 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/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 04:45:00,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/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 04:45:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:45:00,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:45:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:45:00,490 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 04:45:00,493 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:45:00,494 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 04:45:00,497 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 04:45:00,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/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 04:45:00,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/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 04:45:00,703 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:45:00,726 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:45:00,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:45:00 BoogieIcfgContainer [2024-11-14 04:45:00,730 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:45:00,730 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:45:00,730 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:45:00,731 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:45:00,732 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:45:00" (3/4) ... [2024-11-14 04:45:00,734 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:45:00,735 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:45:00,736 INFO L158 Benchmark]: Toolchain (without parser) took 2706.43ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 49.1MB in the end (delta: 42.8MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-11-14 04:45:00,736 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:45:00,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1466.49ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 80.2MB in the end (delta: 11.6MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-14 04:45:00,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.09ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:45:00,737 INFO L158 Benchmark]: Boogie Preprocessor took 35.79ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:45:00,738 INFO L158 Benchmark]: RCFGBuilder took 400.32ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 64.1MB in the end (delta: 12.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:45:00,738 INFO L158 Benchmark]: TraceAbstraction took 679.59ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 49.1MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:45:00,739 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 117.4MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:45:00,741 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1466.49ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 80.2MB in the end (delta: 11.6MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.09ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.79ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 400.32ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 64.1MB in the end (delta: 12.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 679.59ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 49.1MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 117.4MB. Free memory is still 49.1MB. 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: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1563. 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] int CWE191_Integer_Underflow__int_fscanf_postdec_68_badData; [L1549] int CWE191_Integer_Underflow__int_fscanf_postdec_68_goodG2BData; [L1550] int CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData; VAL [CWE191_Integer_Underflow__int_fscanf_postdec_68_badData=0, CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_68_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] [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_68_badData=0, CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_68_badData=0, CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_68_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] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_postdec_68_bad() [L1554] int data; [L1555] data = 0 [L1557] CWE191_Integer_Underflow__int_fscanf_postdec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_fscanf_postdec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_fscanf_postdec_68_badData; [L1575] data-- VAL [CWE191_Integer_Underflow__int_fscanf_postdec_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_68_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: 1575]: 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 04:45:00,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f39479-5ea0-4228-a867-f6e8bd02bb3e/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