./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_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 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_61_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 d1f05a99d5e06a7a614cbba82b73b3239afa97a5bf92383bf342924954e0c990 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 23:03:05,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:03:05,479 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-14 23:03:05,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:03:05,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:03:05,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:03:05,510 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:03:05,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:03:05,510 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:03:05,511 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:03:05,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:03:05,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:03:05,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:03:05,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:03:05,515 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:03:05,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:03:05,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:03:05,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 23:03:05,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:03:05,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:03:05,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:03:05,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:03:05,521 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:03:05,521 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:03:05,521 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:03:05,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:03:05,521 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:03:05,521 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:03:05,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:03:05,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:03:05,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:03:05,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:03:05,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:03:05,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:03:05,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:03:05,523 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 23:03:05,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 23:03:05,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:03:05,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:03:05,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:03:05,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:03:05,525 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1f05a99d5e06a7a614cbba82b73b3239afa97a5bf92383bf342924954e0c990 [2024-10-14 23:03:05,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:03:05,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:03:05,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:03:05,768 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:03:05,769 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:03:05,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i [2024-10-14 23:03:07,140 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:03:07,406 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:03:07,406 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i [2024-10-14 23:03:07,427 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/427b2694b/eba5e3c81199409fa02e1f6a8114d3cc/FLAG6a58bf0af [2024-10-14 23:03:07,462 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/427b2694b/eba5e3c81199409fa02e1f6a8114d3cc [2024-10-14 23:03:07,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:03:07,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:03:07,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:03:07,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:03:07,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:03:07,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:03:07" (1/1) ... [2024-10-14 23:03:07,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4963e474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:07, skipping insertion in model container [2024-10-14 23:03:07,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:03:07" (1/1) ... [2024-10-14 23:03:07,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:03:08,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:03:08,259 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:03:08,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:03:08,481 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:03:08,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:08 WrapperNode [2024-10-14 23:03:08,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:03:08,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:03:08,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:03:08,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:03:08,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:08" (1/1) ... [2024-10-14 23:03:08,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:08" (1/1) ... [2024-10-14 23:03:08,526 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-10-14 23:03:08,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:03:08,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:03:08,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:03:08,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:03:08,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:08" (1/1) ... [2024-10-14 23:03:08,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:08" (1/1) ... [2024-10-14 23:03:08,538 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:08" (1/1) ... [2024-10-14 23:03:08,547 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 23:03:08,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:08" (1/1) ... [2024-10-14 23:03:08,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:08" (1/1) ... [2024-10-14 23:03:08,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:08" (1/1) ... [2024-10-14 23:03:08,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:08" (1/1) ... [2024-10-14 23:03:08,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:08" (1/1) ... [2024-10-14 23:03:08,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:08" (1/1) ... [2024-10-14 23:03:08,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:03:08,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:03:08,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:03:08,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:03:08,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:08" (1/1) ... [2024-10-14 23:03:08,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:03:08,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:03:08,587 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) [2024-10-14 23:03:08,589 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 [2024-10-14 23:03:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 23:03:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 23:03:08,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:03:08,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:03:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:03:08,807 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:03:08,809 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:03:08,927 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-10-14 23:03:08,928 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:03:08,985 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:03:08,986 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 23:03:08,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:03:08 BoogieIcfgContainer [2024-10-14 23:03:08,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:03:08,989 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:03:08,990 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:03:08,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:03:08,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:03:07" (1/3) ... [2024-10-14 23:03:08,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187437ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:03:08, skipping insertion in model container [2024-10-14 23:03:08,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:08" (2/3) ... [2024-10-14 23:03:08,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187437ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:03:08, skipping insertion in model container [2024-10-14 23:03:08,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:03:08" (3/3) ... [2024-10-14 23:03:08,995 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i [2024-10-14 23:03:09,018 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:03:09,018 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 23:03:09,128 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:03:09,137 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;@777d0451, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:03:09,142 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 23:03:09,157 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) [2024-10-14 23:03:09,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-14 23:03:09,171 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:03:09,172 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:03:09,172 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 23:03:09,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:03:09,182 INFO L85 PathProgramCache]: Analyzing trace with hash -196192562, now seen corresponding path program 1 times [2024-10-14 23:03:09,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:03:09,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461825433] [2024-10-14 23:03:09,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:03:09,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:03:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 23:03:09,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 23:03:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 23:03:09,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 23:03:09,466 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 23:03:09,467 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-14 23:03:09,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-14 23:03:09,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 23:03:09,482 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-14 23:03:09,524 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 23:03:09,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:03:09 BoogieIcfgContainer [2024-10-14 23:03:09,531 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 23:03:09,532 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 23:03:09,532 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 23:03:09,532 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 23:03:09,533 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:03:08" (3/4) ... [2024-10-14 23:03:09,534 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 23:03:09,540 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 23:03:09,542 INFO L158 Benchmark]: Toolchain (without parser) took 2072.29ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 74.1MB in the beginning and 111.0MB in the end (delta: -36.9MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2024-10-14 23:03:09,542 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 151.0MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:03:09,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1009.88ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 73.8MB in the beginning and 147.7MB in the end (delta: -73.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-10-14 23:03:09,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.25ms. Allocated memory is still 220.2MB. Free memory was 147.7MB in the beginning and 144.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:03:09,543 INFO L158 Benchmark]: Boogie Preprocessor took 27.59ms. Allocated memory is still 220.2MB. Free memory was 144.6MB in the beginning and 142.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:03:09,543 INFO L158 Benchmark]: RCFGBuilder took 431.64ms. Allocated memory is still 220.2MB. Free memory was 142.5MB in the beginning and 127.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 23:03:09,544 INFO L158 Benchmark]: TraceAbstraction took 541.79ms. Allocated memory is still 220.2MB. Free memory was 126.7MB in the beginning and 111.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 23:03:09,544 INFO L158 Benchmark]: Witness Printer took 8.59ms. Allocated memory is still 220.2MB. Free memory was 111.0MB in the beginning and 111.0MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:03:09,552 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 151.0MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1009.88ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 73.8MB in the beginning and 147.7MB in the end (delta: -73.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.25ms. Allocated memory is still 220.2MB. Free memory was 147.7MB in the beginning and 144.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.59ms. Allocated memory is still 220.2MB. Free memory was 144.6MB in the beginning and 142.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 431.64ms. Allocated memory is still 220.2MB. Free memory was 142.5MB in the beginning and 127.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 541.79ms. Allocated memory is still 220.2MB. Free memory was 126.7MB in the beginning and 111.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 8.59ms. Allocated memory is still 220.2MB. Free memory was 111.0MB in the beginning and 111.0MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1563. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fscanf_multiply_61b_badSource(data) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fscanf_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fscanf_multiply_61b_badSource(data) [L1554] 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] [L1556] 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: 1556]: 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: 0.4s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-14 23:03:09,604 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_61_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 d1f05a99d5e06a7a614cbba82b73b3239afa97a5bf92383bf342924954e0c990 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 23:03:11,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:03:11,732 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-14 23:03:11,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:03:11,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:03:11,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-14 23:03:11,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:03:11,761 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:03:11,762 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:03:11,763 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:03:11,763 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:03:11,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:03:11,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:03:11,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:03:11,765 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:03:11,765 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:03:11,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:03:11,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:03:11,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:03:11,766 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:03:11,767 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:03:11,767 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:03:11,768 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 23:03:11,768 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 23:03:11,768 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:03:11,768 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:03:11,768 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 23:03:11,769 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:03:11,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:03:11,769 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:03:11,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:03:11,769 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:03:11,769 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:03:11,770 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:03:11,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:03:11,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:03:11,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:03:11,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:03:11,770 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 23:03:11,770 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 23:03:11,771 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:03:11,774 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:03:11,775 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:03:11,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:03:11,775 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 23:03:11,775 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1f05a99d5e06a7a614cbba82b73b3239afa97a5bf92383bf342924954e0c990 [2024-10-14 23:03:12,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:03:12,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:03:12,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:03:12,087 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:03:12,088 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:03:12,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i [2024-10-14 23:03:13,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:03:14,029 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:03:14,029 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i [2024-10-14 23:03:14,054 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04b3959c8/d315b58bcccd44b7ab4ffddbc73fd65c/FLAGf1bd71fc8 [2024-10-14 23:03:14,280 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04b3959c8/d315b58bcccd44b7ab4ffddbc73fd65c [2024-10-14 23:03:14,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:03:14,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:03:14,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:03:14,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:03:14,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:03:14,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:03:14" (1/1) ... [2024-10-14 23:03:14,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc92b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:14, skipping insertion in model container [2024-10-14 23:03:14,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:03:14" (1/1) ... [2024-10-14 23:03:14,345 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:03:14,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:03:14,977 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:03:15,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:03:15,150 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:03:15,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:15 WrapperNode [2024-10-14 23:03:15,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:03:15,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:03:15,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:03:15,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:03:15,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:15" (1/1) ... [2024-10-14 23:03:15,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:15" (1/1) ... [2024-10-14 23:03:15,232 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-10-14 23:03:15,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:03:15,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:03:15,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:03:15,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:03:15,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:15" (1/1) ... [2024-10-14 23:03:15,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:15" (1/1) ... [2024-10-14 23:03:15,246 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:15" (1/1) ... [2024-10-14 23:03:15,258 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 23:03:15,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:15" (1/1) ... [2024-10-14 23:03:15,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:15" (1/1) ... [2024-10-14 23:03:15,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:15" (1/1) ... [2024-10-14 23:03:15,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:15" (1/1) ... [2024-10-14 23:03:15,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:15" (1/1) ... [2024-10-14 23:03:15,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:15" (1/1) ... [2024-10-14 23:03:15,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:03:15,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:03:15,279 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:03:15,279 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:03:15,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:15" (1/1) ... [2024-10-14 23:03:15,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:03:15,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:03:15,309 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) [2024-10-14 23:03:15,311 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 [2024-10-14 23:03:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 23:03:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 23:03:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:03:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:03:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:03:15,544 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:03:15,546 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:03:15,640 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-10-14 23:03:15,640 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:03:15,663 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:03:15,664 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 23:03:15,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:03:15 BoogieIcfgContainer [2024-10-14 23:03:15,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:03:15,666 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:03:15,666 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:03:15,668 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:03:15,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:03:14" (1/3) ... [2024-10-14 23:03:15,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d05de2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:03:15, skipping insertion in model container [2024-10-14 23:03:15,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:03:15" (2/3) ... [2024-10-14 23:03:15,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d05de2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:03:15, skipping insertion in model container [2024-10-14 23:03:15,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:03:15" (3/3) ... [2024-10-14 23:03:15,670 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i [2024-10-14 23:03:15,683 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:03:15,683 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 23:03:15,728 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:03:15,733 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;@36acb8ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:03:15,734 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 23:03:15,740 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) [2024-10-14 23:03:15,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-14 23:03:15,747 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:03:15,748 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:03:15,748 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 23:03:15,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:03:15,753 INFO L85 PathProgramCache]: Analyzing trace with hash -196192562, now seen corresponding path program 1 times [2024-10-14 23:03:15,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 23:03:15,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1951546147] [2024-10-14 23:03:15,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:03:15,768 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 [2024-10-14 23:03:15,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 23:03:15,774 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) [2024-10-14 23:03:15,776 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 [2024-10-14 23:03:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 23:03:15,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 23:03:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 23:03:15,944 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-14 23:03:15,946 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 23:03:15,947 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-14 23:03:15,948 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-14 23:03:15,957 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 [2024-10-14 23:03:16,152 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 [2024-10-14 23:03:16,157 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-14 23:03:16,179 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 23:03:16,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:03:16 BoogieIcfgContainer [2024-10-14 23:03:16,182 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 23:03:16,183 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 23:03:16,183 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 23:03:16,185 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 23:03:16,185 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:03:15" (3/4) ... [2024-10-14 23:03:16,187 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 23:03:16,188 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 23:03:16,189 INFO L158 Benchmark]: Toolchain (without parser) took 1904.36ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 39.4MB in the beginning and 55.7MB in the end (delta: -16.3MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-10-14 23:03:16,189 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:03:16,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 891.20ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 39.2MB in the beginning and 65.3MB in the end (delta: -26.0MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2024-10-14 23:03:16,190 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.92ms. Allocated memory is still 92.3MB. Free memory was 65.3MB in the beginning and 62.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:03:16,190 INFO L158 Benchmark]: Boogie Preprocessor took 42.58ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 60.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:03:16,191 INFO L158 Benchmark]: RCFGBuilder took 385.83ms. Allocated memory is still 92.3MB. Free memory was 60.0MB in the beginning and 44.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 23:03:16,191 INFO L158 Benchmark]: TraceAbstraction took 516.87ms. Allocated memory is still 92.3MB. Free memory was 43.8MB in the beginning and 55.7MB in the end (delta: -11.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:03:16,192 INFO L158 Benchmark]: Witness Printer took 4.82ms. Allocated memory is still 92.3MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:03:16,194 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 891.20ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 39.2MB in the beginning and 65.3MB in the end (delta: -26.0MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.92ms. Allocated memory is still 92.3MB. Free memory was 65.3MB in the beginning and 62.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.58ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 60.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 385.83ms. Allocated memory is still 92.3MB. Free memory was 60.0MB in the beginning and 44.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 516.87ms. Allocated memory is still 92.3MB. Free memory was 43.8MB in the beginning and 55.7MB in the end (delta: -11.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.82ms. Allocated memory is still 92.3MB. Free memory is still 55.7MB. 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1563. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fscanf_multiply_61b_badSource(data) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fscanf_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fscanf_multiply_61b_badSource(data) [L1554] 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] [L1556] 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: 1556]: 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: 0.4s, 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 [2024-10-14 23:03:16,234 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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample