./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_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 4d6a3dc027a39c7142f4a6e59b3b9079647e32a17a2f5d2dc587e6490f3912e8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 15:50:30,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 15:50:30,206 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 15:50:30,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 15:50:30,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 15:50:30,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 15:50:30,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 15:50:30,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 15:50:30,233 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 15:50:30,233 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 15:50:30,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 15:50:30,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 15:50:30,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 15:50:30,236 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 15:50:30,238 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 15:50:30,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 15:50:30,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 15:50:30,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 15:50:30,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 15:50:30,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 15:50:30,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 15:50:30,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 15:50:30,240 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 15:50:30,240 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 15:50:30,241 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 15:50:30,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 15:50:30,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 15:50:30,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 15:50:30,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 15:50:30,243 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 15:50:30,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 15:50:30,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:50:30,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 15:50:30,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 15:50:30,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 15:50:30,244 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 15:50:30,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 15:50:30,245 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 15:50:30,245 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 15:50:30,245 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 15:50:30,246 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 15:50:30,246 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d6a3dc027a39c7142f4a6e59b3b9079647e32a17a2f5d2dc587e6490f3912e8 [2024-10-13 15:50:30,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 15:50:30,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 15:50:30,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 15:50:30,534 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 15:50:30,534 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 15:50:30,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i [2024-10-13 15:50:31,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 15:50:32,300 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 15:50:32,302 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i [2024-10-13 15:50:32,332 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61478a63e/dbc5f5e88c364f6b83b9a85fb1357157/FLAG794233859 [2024-10-13 15:50:32,564 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61478a63e/dbc5f5e88c364f6b83b9a85fb1357157 [2024-10-13 15:50:32,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 15:50:32,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 15:50:32,570 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 15:50:32,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 15:50:32,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 15:50:32,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:50:32" (1/1) ... [2024-10-13 15:50:32,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f53a054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:32, skipping insertion in model container [2024-10-13 15:50:32,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:50:32" (1/1) ... [2024-10-13 15:50:32,631 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 15:50:33,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:50:33,295 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 15:50:33,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:50:33,489 INFO L204 MainTranslator]: Completed translation [2024-10-13 15:50:33,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:33 WrapperNode [2024-10-13 15:50:33,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 15:50:33,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 15:50:33,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 15:50:33,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 15:50:33,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:33" (1/1) ... [2024-10-13 15:50:33,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:33" (1/1) ... [2024-10-13 15:50:33,543 INFO L138 Inliner]: procedures = 500, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 49 [2024-10-13 15:50:33,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 15:50:33,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 15:50:33,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 15:50:33,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 15:50:33,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:33" (1/1) ... [2024-10-13 15:50:33,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:33" (1/1) ... [2024-10-13 15:50:33,559 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:33" (1/1) ... [2024-10-13 15:50:33,567 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 15:50:33,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:33" (1/1) ... [2024-10-13 15:50:33,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:33" (1/1) ... [2024-10-13 15:50:33,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:33" (1/1) ... [2024-10-13 15:50:33,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:33" (1/1) ... [2024-10-13 15:50:33,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:33" (1/1) ... [2024-10-13 15:50:33,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:33" (1/1) ... [2024-10-13 15:50:33,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 15:50:33,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 15:50:33,581 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 15:50:33,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 15:50:33,582 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:33" (1/1) ... [2024-10-13 15:50:33,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:50:33,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:50:33,628 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) [2024-10-13 15:50:33,632 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 [2024-10-13 15:50:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 15:50:33,675 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 15:50:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 15:50:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 15:50:33,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 15:50:33,842 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 15:50:33,844 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 15:50:33,937 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-10-13 15:50:33,938 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 15:50:33,976 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 15:50:33,977 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 15:50:33,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:50:33 BoogieIcfgContainer [2024-10-13 15:50:33,977 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 15:50:33,994 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 15:50:33,994 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 15:50:33,997 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 15:50:33,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:50:32" (1/3) ... [2024-10-13 15:50:33,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e0fb15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:50:33, skipping insertion in model container [2024-10-13 15:50:33,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:33" (2/3) ... [2024-10-13 15:50:34,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e0fb15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:50:33, skipping insertion in model container [2024-10-13 15:50:34,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:50:33" (3/3) ... [2024-10-13 15:50:34,003 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i [2024-10-13 15:50:34,019 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 15:50:34,020 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 15:50:34,093 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 15:50:34,099 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;@1bd1add4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 15:50:34,099 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 15:50:34,102 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 15:50:34,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-13 15:50:34,110 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:50:34,111 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:50:34,111 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 15:50:34,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:50:34,119 INFO L85 PathProgramCache]: Analyzing trace with hash 225383410, now seen corresponding path program 1 times [2024-10-13 15:50:34,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:50:34,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806766493] [2024-10-13 15:50:34,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:50:34,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:50:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:50:34,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 15:50:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:50:34,301 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 15:50:34,303 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 15:50:34,304 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 15:50:34,305 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 15:50:34,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 15:50:34,310 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-13 15:50:34,338 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 15:50:34,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 03:50:34 BoogieIcfgContainer [2024-10-13 15:50:34,342 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 15:50:34,342 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 15:50:34,342 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 15:50:34,342 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 15:50:34,343 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:50:33" (3/4) ... [2024-10-13 15:50:34,345 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 15:50:34,346 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 15:50:34,347 INFO L158 Benchmark]: Toolchain (without parser) took 1778.78ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 72.2MB in the beginning and 118.9MB in the end (delta: -46.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:50:34,347 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 132.1MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:50:34,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 919.70ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 72.1MB in the beginning and 85.3MB in the end (delta: -13.2MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-10-13 15:50:34,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.82ms. Allocated memory is still 172.0MB. Free memory was 85.3MB in the beginning and 83.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 15:50:34,349 INFO L158 Benchmark]: Boogie Preprocessor took 35.79ms. Allocated memory is still 172.0MB. Free memory was 83.0MB in the beginning and 81.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 15:50:34,349 INFO L158 Benchmark]: RCFGBuilder took 396.83ms. Allocated memory is still 172.0MB. Free memory was 80.9MB in the beginning and 66.5MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 15:50:34,350 INFO L158 Benchmark]: TraceAbstraction took 347.76ms. Allocated memory is still 172.0MB. Free memory was 134.4MB in the beginning and 118.9MB in the end (delta: 15.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 15:50:34,350 INFO L158 Benchmark]: Witness Printer took 3.58ms. Allocated memory is still 172.0MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:50:34,352 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 132.1MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 919.70ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 72.1MB in the beginning and 85.3MB in the end (delta: -13.2MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.82ms. Allocated memory is still 172.0MB. Free memory was 85.3MB in the beginning and 83.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.79ms. Allocated memory is still 172.0MB. Free memory was 83.0MB in the beginning and 81.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 396.83ms. Allocated memory is still 172.0MB. Free memory was 80.9MB in the beginning and 66.5MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 347.76ms. Allocated memory is still 172.0MB. Free memory was 134.4MB in the beginning and 118.9MB in the end (delta: 15.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 3.58ms. Allocated memory is still 172.0MB. Free memory is still 118.9MB. 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: 1578]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53d_badSink(data) [L1576] 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] [L1578] 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 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=16occurred 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, 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 [2024-10-13 15:50:34,385 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/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_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 4d6a3dc027a39c7142f4a6e59b3b9079647e32a17a2f5d2dc587e6490f3912e8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 15:50:36,585 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 15:50:36,663 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-13 15:50:36,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 15:50:36,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 15:50:36,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-13 15:50:36,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 15:50:36,707 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 15:50:36,707 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 15:50:36,708 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 15:50:36,708 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 15:50:36,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 15:50:36,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 15:50:36,710 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 15:50:36,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 15:50:36,712 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 15:50:36,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 15:50:36,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 15:50:36,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 15:50:36,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 15:50:36,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 15:50:36,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 15:50:36,715 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 15:50:36,715 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-13 15:50:36,715 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 15:50:36,716 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 15:50:36,716 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-13 15:50:36,716 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 15:50:36,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 15:50:36,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 15:50:36,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 15:50:36,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 15:50:36,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 15:50:36,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 15:50:36,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:50:36,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 15:50:36,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 15:50:36,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 15:50:36,724 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-13 15:50:36,724 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-13 15:50:36,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 15:50:36,725 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 15:50:36,725 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 15:50:36,725 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 15:50:36,725 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-13 15:50:36,726 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d6a3dc027a39c7142f4a6e59b3b9079647e32a17a2f5d2dc587e6490f3912e8 [2024-10-13 15:50:37,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 15:50:37,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 15:50:37,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 15:50:37,063 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 15:50:37,064 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 15:50:37,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i [2024-10-13 15:50:38,567 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 15:50:38,941 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 15:50:38,943 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i [2024-10-13 15:50:38,971 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3ba59f0c/3bd654ec4b3f4621b00b278cc08c6f5a/FLAG141af6d29 [2024-10-13 15:50:39,150 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3ba59f0c/3bd654ec4b3f4621b00b278cc08c6f5a [2024-10-13 15:50:39,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 15:50:39,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 15:50:39,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 15:50:39,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 15:50:39,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 15:50:39,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:50:39" (1/1) ... [2024-10-13 15:50:39,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b77b0ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:39, skipping insertion in model container [2024-10-13 15:50:39,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:50:39" (1/1) ... [2024-10-13 15:50:39,241 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 15:50:40,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:50:40,049 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 15:50:40,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:50:40,238 INFO L204 MainTranslator]: Completed translation [2024-10-13 15:50:40,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:40 WrapperNode [2024-10-13 15:50:40,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 15:50:40,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 15:50:40,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 15:50:40,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 15:50:40,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:40" (1/1) ... [2024-10-13 15:50:40,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:40" (1/1) ... [2024-10-13 15:50:40,295 INFO L138 Inliner]: procedures = 505, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 48 [2024-10-13 15:50:40,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 15:50:40,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 15:50:40,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 15:50:40,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 15:50:40,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:40" (1/1) ... [2024-10-13 15:50:40,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:40" (1/1) ... [2024-10-13 15:50:40,310 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:40" (1/1) ... [2024-10-13 15:50:40,319 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 15:50:40,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:40" (1/1) ... [2024-10-13 15:50:40,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:40" (1/1) ... [2024-10-13 15:50:40,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:40" (1/1) ... [2024-10-13 15:50:40,328 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:40" (1/1) ... [2024-10-13 15:50:40,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:40" (1/1) ... [2024-10-13 15:50:40,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:40" (1/1) ... [2024-10-13 15:50:40,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 15:50:40,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 15:50:40,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 15:50:40,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 15:50:40,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:40" (1/1) ... [2024-10-13 15:50:40,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:50:40,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:50:40,370 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) [2024-10-13 15:50:40,373 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 [2024-10-13 15:50:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 15:50:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 15:50:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 15:50:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 15:50:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 15:50:40,564 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 15:50:40,566 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 15:50:40,741 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-10-13 15:50:40,741 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 15:50:40,781 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 15:50:40,782 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 15:50:40,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:50:40 BoogieIcfgContainer [2024-10-13 15:50:40,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 15:50:40,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 15:50:40,785 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 15:50:40,788 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 15:50:40,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:50:39" (1/3) ... [2024-10-13 15:50:40,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@726bee15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:50:40, skipping insertion in model container [2024-10-13 15:50:40,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:50:40" (2/3) ... [2024-10-13 15:50:40,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@726bee15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:50:40, skipping insertion in model container [2024-10-13 15:50:40,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:50:40" (3/3) ... [2024-10-13 15:50:40,792 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i [2024-10-13 15:50:40,810 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 15:50:40,810 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 15:50:40,879 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 15:50:40,887 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;@2ae9a14e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 15:50:40,887 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 15:50:40,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 15:50:40,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-13 15:50:40,898 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:50:40,899 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:50:40,900 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 15:50:40,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:50:40,906 INFO L85 PathProgramCache]: Analyzing trace with hash 225383410, now seen corresponding path program 1 times [2024-10-13 15:50:40,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 15:50:40,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1950099819] [2024-10-13 15:50:40,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:50:40,919 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 [2024-10-13 15:50:40,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 15:50:40,944 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) [2024-10-13 15:50:40,945 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 [2024-10-13 15:50:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:50:41,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 15:50:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 15:50:41,096 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-13 15:50:41,098 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 15:50:41,099 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-13 15:50:41,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-13 15:50:41,108 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-10-13 15:50:41,305 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 [2024-10-13 15:50:41,308 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-13 15:50:41,332 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 15:50:41,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 03:50:41 BoogieIcfgContainer [2024-10-13 15:50:41,334 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 15:50:41,335 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 15:50:41,335 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 15:50:41,335 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 15:50:41,335 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:50:40" (3/4) ... [2024-10-13 15:50:41,337 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 15:50:41,338 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 15:50:41,339 INFO L158 Benchmark]: Toolchain (without parser) took 2186.32ms. Allocated memory was 62.9MB in the beginning and 100.7MB in the end (delta: 37.7MB). Free memory was 40.4MB in the beginning and 52.1MB in the end (delta: -11.8MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-10-13 15:50:41,340 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 62.9MB. Free memory was 37.9MB in the beginning and 37.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:50:41,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1085.66ms. Allocated memory was 62.9MB in the beginning and 100.7MB in the end (delta: 37.7MB). Free memory was 40.2MB in the beginning and 58.4MB in the end (delta: -18.2MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2024-10-13 15:50:41,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.25ms. Allocated memory is still 100.7MB. Free memory was 58.4MB in the beginning and 55.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 15:50:41,341 INFO L158 Benchmark]: Boogie Preprocessor took 37.81ms. Allocated memory is still 100.7MB. Free memory was 55.2MB in the beginning and 52.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 15:50:41,342 INFO L158 Benchmark]: RCFGBuilder took 447.45ms. Allocated memory is still 100.7MB. Free memory was 52.6MB in the beginning and 68.6MB in the end (delta: -16.0MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-10-13 15:50:41,342 INFO L158 Benchmark]: TraceAbstraction took 549.19ms. Allocated memory is still 100.7MB. Free memory was 68.0MB in the beginning and 52.1MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 15:50:41,342 INFO L158 Benchmark]: Witness Printer took 3.57ms. Allocated memory is still 100.7MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:50:41,345 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 62.9MB. Free memory was 37.9MB in the beginning and 37.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1085.66ms. Allocated memory was 62.9MB in the beginning and 100.7MB in the end (delta: 37.7MB). Free memory was 40.2MB in the beginning and 58.4MB in the end (delta: -18.2MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.25ms. Allocated memory is still 100.7MB. Free memory was 58.4MB in the beginning and 55.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.81ms. Allocated memory is still 100.7MB. Free memory was 55.2MB in the beginning and 52.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.45ms. Allocated memory is still 100.7MB. Free memory was 52.6MB in the beginning and 68.6MB in the end (delta: -16.0MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * TraceAbstraction took 549.19ms. Allocated memory is still 100.7MB. Free memory was 68.0MB in the beginning and 52.1MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 3.57ms. Allocated memory is still 100.7MB. Free memory is still 52.1MB. 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: 1578]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53d_badSink(data) [L1576] 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] [L1578] 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 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=16occurred 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, 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 [2024-10-13 15:50:41,376 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