./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a5c70f444a3bb6b30e83bffdf1e61714f8f2c3aa7bf7e3910c6ab80a1b5b19ac --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:07:33,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:07:33,102 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 13:07:33,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:07:33,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:07:33,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:07:33,133 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:07:33,133 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:07:33,134 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:07:33,134 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:07:33,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:07:33,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:07:33,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:07:33,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:07:33,137 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:07:33,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:07:33,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:07:33,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:07:33,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:07:33,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:07:33,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:07:33,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:07:33,142 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:07:33,142 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:07:33,142 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:07:33,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:07:33,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:07:33,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:07:33,143 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:07:33,143 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:07:33,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:07:33,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:07:33,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:07:33,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:07:33,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:07:33,144 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:07:33,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:07:33,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:07:33,144 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:07:33,144 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:07:33,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:07:33,146 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5c70f444a3bb6b30e83bffdf1e61714f8f2c3aa7bf7e3910c6ab80a1b5b19ac [2024-11-19 13:07:33,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:07:33,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:07:33,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:07:33,390 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:07:33,391 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:07:33,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i [2024-11-19 13:07:34,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:07:35,002 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:07:35,003 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i [2024-11-19 13:07:35,026 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e82e752/e7056d1cbacb438a8c7da43bae82d472/FLAGcdff3c74a [2024-11-19 13:07:35,302 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e82e752/e7056d1cbacb438a8c7da43bae82d472 [2024-11-19 13:07:35,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:07:35,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:07:35,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:07:35,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:07:35,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:07:35,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:07:35" (1/1) ... [2024-11-19 13:07:35,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a60066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:35, skipping insertion in model container [2024-11-19 13:07:35,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:07:35" (1/1) ... [2024-11-19 13:07:35,358 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:07:35,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:07:35,867 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:07:35,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:07:36,078 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:07:36,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:36 WrapperNode [2024-11-19 13:07:36,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:07:36,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:07:36,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:07:36,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:07:36,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:36" (1/1) ... [2024-11-19 13:07:36,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:36" (1/1) ... [2024-11-19 13:07:36,142 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2024-11-19 13:07:36,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:07:36,144 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:07:36,144 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:07:36,144 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:07:36,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:36" (1/1) ... [2024-11-19 13:07:36,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:36" (1/1) ... [2024-11-19 13:07:36,160 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:36" (1/1) ... [2024-11-19 13:07:36,171 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2024-11-19 13:07:36,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:36" (1/1) ... [2024-11-19 13:07:36,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:36" (1/1) ... [2024-11-19 13:07:36,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:36" (1/1) ... [2024-11-19 13:07:36,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:36" (1/1) ... [2024-11-19 13:07:36,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:36" (1/1) ... [2024-11-19 13:07:36,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:36" (1/1) ... [2024-11-19 13:07:36,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:07:36,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:07:36,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:07:36,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:07:36,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:36" (1/1) ... [2024-11-19 13:07:36,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:07:36,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:07:36,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:07:36,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:07:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:07:36,277 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:07:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 13:07:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 13:07:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 13:07:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:07:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:07:36,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:07:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 13:07:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 13:07:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 13:07:36,395 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:07:36,397 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:07:36,492 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-19 13:07:36,492 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:07:36,500 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:07:36,500 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:07:36,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:07:36 BoogieIcfgContainer [2024-11-19 13:07:36,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:07:36,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:07:36,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:07:36,504 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:07:36,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:07:35" (1/3) ... [2024-11-19 13:07:36,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@766afbd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:07:36, skipping insertion in model container [2024-11-19 13:07:36,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:36" (2/3) ... [2024-11-19 13:07:36,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@766afbd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:07:36, skipping insertion in model container [2024-11-19 13:07:36,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:07:36" (3/3) ... [2024-11-19 13:07:36,506 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i [2024-11-19 13:07:36,520 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:07:36,520 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:07:36,560 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:07:36,564 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@277266f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:07:36,565 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:07:36,567 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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) [2024-11-19 13:07:36,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 13:07:36,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:07:36,573 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:07:36,574 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:07:36,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:07:36,579 INFO L85 PathProgramCache]: Analyzing trace with hash 993488621, now seen corresponding path program 1 times [2024-11-19 13:07:36,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:07:36,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370487780] [2024-11-19 13:07:36,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:07:36,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:07:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:07:36,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:07:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:07:36,733 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 13:07:36,734 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:07:36,735 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:07:36,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:07:36,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:07:36,740 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 13:07:36,760 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:07:36,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:07:36 BoogieIcfgContainer [2024-11-19 13:07:36,763 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:07:36,764 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:07:36,764 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:07:36,764 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:07:36,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:07:36" (3/4) ... [2024-11-19 13:07:36,767 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:07:36,767 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:07:36,769 INFO L158 Benchmark]: Toolchain (without parser) took 1462.67ms. Allocated memory was 157.3MB in the beginning and 213.9MB in the end (delta: 56.6MB). Free memory was 81.5MB in the beginning and 103.7MB in the end (delta: -22.1MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2024-11-19 13:07:36,770 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 157.3MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:07:36,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 772.82ms. Allocated memory was 157.3MB in the beginning and 213.9MB in the end (delta: 56.6MB). Free memory was 81.3MB in the beginning and 142.4MB in the end (delta: -61.1MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2024-11-19 13:07:36,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.81ms. Allocated memory is still 213.9MB. Free memory was 142.4MB in the beginning and 139.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:07:36,771 INFO L158 Benchmark]: Boogie Preprocessor took 49.91ms. Allocated memory is still 213.9MB. Free memory was 139.3MB in the beginning and 137.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:07:36,771 INFO L158 Benchmark]: RCFGBuilder took 306.31ms. Allocated memory is still 213.9MB. Free memory was 137.2MB in the beginning and 122.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 13:07:36,771 INFO L158 Benchmark]: TraceAbstraction took 261.51ms. Allocated memory is still 213.9MB. Free memory was 122.5MB in the beginning and 103.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-19 13:07:36,772 INFO L158 Benchmark]: Witness Printer took 3.70ms. Allocated memory is still 213.9MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:07:36,778 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 157.3MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 772.82ms. Allocated memory was 157.3MB in the beginning and 213.9MB in the end (delta: 56.6MB). Free memory was 81.3MB in the beginning and 142.4MB in the end (delta: -61.1MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.81ms. Allocated memory is still 213.9MB. Free memory was 142.4MB in the beginning and 139.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.91ms. Allocated memory is still 213.9MB. Free memory was 139.3MB in the beginning and 137.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 306.31ms. Allocated memory is still 213.9MB. Free memory was 137.2MB in the beginning and 122.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 261.51ms. Allocated memory is still 213.9MB. Free memory was 122.5MB in the beginning and 103.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.70ms. Allocated memory is still 213.9MB. Free memory is still 103.7MB. 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: 1574]: 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 1565. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] CALL printLine("Calling bad()...") VAL [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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_multiply_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_multiply_67_structType myStruct; [L1557] data = 0 [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1572] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] 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: 1574]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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=22occurred 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, 10 NumberOfCodeBlocks, 10 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 [2024-11-19 13:07:36,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a5c70f444a3bb6b30e83bffdf1e61714f8f2c3aa7bf7e3910c6ab80a1b5b19ac --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:07:38,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:07:39,041 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-19 13:07:39,049 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:07:39,050 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:07:39,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-19 13:07:39,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:07:39,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:07:39,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:07:39,080 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:07:39,081 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:07:39,081 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:07:39,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:07:39,081 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:07:39,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:07:39,082 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:07:39,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:07:39,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:07:39,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:07:39,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:07:39,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:07:39,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:07:39,086 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 13:07:39,086 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 13:07:39,086 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:07:39,086 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:07:39,087 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 13:07:39,087 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:07:39,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:07:39,088 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:07:39,088 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:07:39,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:07:39,089 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:07:39,089 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:07:39,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:07:39,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:07:39,090 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:07:39,090 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:07:39,091 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 13:07:39,091 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 13:07:39,091 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:07:39,092 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:07:39,092 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:07:39,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:07:39,092 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5c70f444a3bb6b30e83bffdf1e61714f8f2c3aa7bf7e3910c6ab80a1b5b19ac [2024-11-19 13:07:39,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:07:39,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:07:39,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:07:39,380 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:07:39,381 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:07:39,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i [2024-11-19 13:07:40,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:07:41,757 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:07:41,758 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i [2024-11-19 13:07:41,782 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2943e1c25/ea318790d09847e6b7a8ea7e1de48404/FLAG289bc08bd [2024-11-19 13:07:41,798 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2943e1c25/ea318790d09847e6b7a8ea7e1de48404 [2024-11-19 13:07:41,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:07:41,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:07:41,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:07:41,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:07:41,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:07:41,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:07:41" (1/1) ... [2024-11-19 13:07:41,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@481538d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:41, skipping insertion in model container [2024-11-19 13:07:41,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:07:41" (1/1) ... [2024-11-19 13:07:41,885 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:07:42,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:07:42,503 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:07:42,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:07:42,705 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:07:42,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:42 WrapperNode [2024-11-19 13:07:42,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:07:42,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:07:42,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:07:42,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:07:42,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:42" (1/1) ... [2024-11-19 13:07:42,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:42" (1/1) ... [2024-11-19 13:07:42,754 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2024-11-19 13:07:42,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:07:42,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:07:42,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:07:42,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:07:42,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:42" (1/1) ... [2024-11-19 13:07:42,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:42" (1/1) ... [2024-11-19 13:07:42,769 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:42" (1/1) ... [2024-11-19 13:07:42,781 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2024-11-19 13:07:42,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:42" (1/1) ... [2024-11-19 13:07:42,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:42" (1/1) ... [2024-11-19 13:07:42,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:42" (1/1) ... [2024-11-19 13:07:42,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:42" (1/1) ... [2024-11-19 13:07:42,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:42" (1/1) ... [2024-11-19 13:07:42,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:42" (1/1) ... [2024-11-19 13:07:42,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:07:42,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:07:42,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:07:42,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:07:42,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:42" (1/1) ... [2024-11-19 13:07:42,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:07:42,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:07:42,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:07:42,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:07:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:07:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:07:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 13:07:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:07:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:07:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:07:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-19 13:07:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-19 13:07:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 13:07:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-19 13:07:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-19 13:07:43,044 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:07:43,047 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:07:43,177 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-19 13:07:43,179 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:07:43,187 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:07:43,188 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:07:43,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:07:43 BoogieIcfgContainer [2024-11-19 13:07:43,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:07:43,192 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:07:43,192 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:07:43,194 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:07:43,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:07:41" (1/3) ... [2024-11-19 13:07:43,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c1e869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:07:43, skipping insertion in model container [2024-11-19 13:07:43,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:07:42" (2/3) ... [2024-11-19 13:07:43,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c1e869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:07:43, skipping insertion in model container [2024-11-19 13:07:43,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:07:43" (3/3) ... [2024-11-19 13:07:43,198 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i [2024-11-19 13:07:43,211 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:07:43,212 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:07:43,269 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:07:43,274 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@71307b8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:07:43,275 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:07:43,278 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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) [2024-11-19 13:07:43,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 13:07:43,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:07:43,284 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:07:43,285 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:07:43,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:07:43,290 INFO L85 PathProgramCache]: Analyzing trace with hash 993488621, now seen corresponding path program 1 times [2024-11-19 13:07:43,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 13:07:43,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [195631013] [2024-11-19 13:07:43,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:07:43,306 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 [2024-11-19 13:07:43,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 13:07:43,310 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2024-11-19 13:07:43,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-19 13:07:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:07:43,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:07:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:07:43,516 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-19 13:07:43,517 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:07:43,518 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:07:43,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:07:43,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-19 13:07:43,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-19 13:07:43,727 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 13:07:43,755 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:07:43,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:07:43 BoogieIcfgContainer [2024-11-19 13:07:43,761 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:07:43,762 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:07:43,762 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:07:43,762 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:07:43,762 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:07:43" (3/4) ... [2024-11-19 13:07:43,764 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:07:43,769 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:07:43,770 INFO L158 Benchmark]: Toolchain (without parser) took 1968.43ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 41.4MB in the beginning and 52.9MB in the end (delta: -11.6MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-11-19 13:07:43,771 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 56.6MB. Free memory was 28.4MB in the beginning and 28.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:07:43,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 903.03ms. Allocated memory is still 81.8MB. Free memory was 41.2MB in the beginning and 40.6MB in the end (delta: 621.5kB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-11-19 13:07:43,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.12ms. Allocated memory is still 81.8MB. Free memory was 40.6MB in the beginning and 37.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:07:43,776 INFO L158 Benchmark]: Boogie Preprocessor took 43.93ms. Allocated memory is still 81.8MB. Free memory was 37.7MB in the beginning and 34.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:07:43,776 INFO L158 Benchmark]: RCFGBuilder took 388.99ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 34.8MB in the beginning and 73.2MB in the end (delta: -38.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-19 13:07:43,776 INFO L158 Benchmark]: TraceAbstraction took 569.22ms. Allocated memory is still 111.1MB. Free memory was 72.5MB in the beginning and 53.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-19 13:07:43,777 INFO L158 Benchmark]: Witness Printer took 7.67ms. Allocated memory is still 111.1MB. Free memory was 53.0MB in the beginning and 52.9MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:07:43,779 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 56.6MB. Free memory was 28.4MB in the beginning and 28.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 903.03ms. Allocated memory is still 81.8MB. Free memory was 41.2MB in the beginning and 40.6MB in the end (delta: 621.5kB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.12ms. Allocated memory is still 81.8MB. Free memory was 40.6MB in the beginning and 37.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.93ms. Allocated memory is still 81.8MB. Free memory was 37.7MB in the beginning and 34.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.99ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 34.8MB in the beginning and 73.2MB in the end (delta: -38.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * TraceAbstraction took 569.22ms. Allocated memory is still 111.1MB. Free memory was 72.5MB in the beginning and 53.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 7.67ms. Allocated memory is still 111.1MB. Free memory was 53.0MB in the beginning and 52.9MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1574]: 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 1565. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] CALL printLine("Calling bad()...") VAL [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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_multiply_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_multiply_67_structType myStruct; [L1557] data = 0 [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1572] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] 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: 1574]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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=22occurred 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, 10 NumberOfCodeBlocks, 10 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 [2024-11-19 13:07:43,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample