./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_18_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 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_18_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 6cd8231e467eff67e40614a7ef29b1c93bdad42d8834f0791a1ac7a0a6482263 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 22:38:45,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 22:38:45,207 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-24 22:38:45,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 22:38:45,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 22:38:45,228 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 22:38:45,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 22:38:45,230 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 22:38:45,231 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 22:38:45,231 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 22:38:45,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 22:38:45,232 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 22:38:45,232 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 22:38:45,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 22:38:45,233 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 22:38:45,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 22:38:45,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 22:38:45,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 22:38:45,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 22:38:45,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 22:38:45,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 22:38:45,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 22:38:45,239 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 22:38:45,239 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 22:38:45,239 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 22:38:45,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 22:38:45,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 22:38:45,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 22:38:45,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 22:38:45,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 22:38:45,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 22:38:45,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:38:45,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 22:38:45,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 22:38:45,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 22:38:45,243 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 22:38:45,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 22:38:45,243 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 22:38:45,244 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 22:38:45,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 22:38:45,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 22:38:45,244 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cd8231e467eff67e40614a7ef29b1c93bdad42d8834f0791a1ac7a0a6482263 [2024-10-24 22:38:45,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 22:38:45,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 22:38:45,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 22:38:45,463 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 22:38:45,464 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 22:38:45,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_18_bad.i [2024-10-24 22:38:46,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 22:38:47,037 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 22:38:47,038 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_18_bad.i [2024-10-24 22:38:47,063 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbb0c529b/c06faac826a2476f986d5097c150164d/FLAG983da8085 [2024-10-24 22:38:47,293 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbb0c529b/c06faac826a2476f986d5097c150164d [2024-10-24 22:38:47,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 22:38:47,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 22:38:47,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 22:38:47,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 22:38:47,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 22:38:47,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:38:47" (1/1) ... [2024-10-24 22:38:47,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5581e519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:47, skipping insertion in model container [2024-10-24 22:38:47,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:38:47" (1/1) ... [2024-10-24 22:38:47,351 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 22:38:47,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:38:47,968 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 22:38:48,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:38:48,106 INFO L204 MainTranslator]: Completed translation [2024-10-24 22:38:48,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:48 WrapperNode [2024-10-24 22:38:48,106 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 22:38:48,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 22:38:48,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 22:38:48,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 22:38:48,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:48" (1/1) ... [2024-10-24 22:38:48,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:48" (1/1) ... [2024-10-24 22:38:48,147 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-10-24 22:38:48,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 22:38:48,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 22:38:48,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 22:38:48,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 22:38:48,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:48" (1/1) ... [2024-10-24 22:38:48,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:48" (1/1) ... [2024-10-24 22:38:48,158 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:48" (1/1) ... [2024-10-24 22:38:48,166 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 22:38:48,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:48" (1/1) ... [2024-10-24 22:38:48,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:48" (1/1) ... [2024-10-24 22:38:48,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:48" (1/1) ... [2024-10-24 22:38:48,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:48" (1/1) ... [2024-10-24 22:38:48,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:48" (1/1) ... [2024-10-24 22:38:48,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:48" (1/1) ... [2024-10-24 22:38:48,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 22:38:48,180 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 22:38:48,180 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 22:38:48,180 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 22:38:48,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:48" (1/1) ... [2024-10-24 22:38:48,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:38:48,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:38:48,212 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) [2024-10-24 22:38:48,213 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 [2024-10-24 22:38:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 22:38:48,251 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 22:38:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 22:38:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 22:38:48,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 22:38:48,359 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 22:38:48,361 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 22:38:48,473 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-10-24 22:38:48,473 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 22:38:48,510 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 22:38:48,510 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 22:38:48,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:38:48 BoogieIcfgContainer [2024-10-24 22:38:48,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 22:38:48,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 22:38:48,515 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 22:38:48,518 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 22:38:48,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:38:47" (1/3) ... [2024-10-24 22:38:48,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b59496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:38:48, skipping insertion in model container [2024-10-24 22:38:48,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:48" (2/3) ... [2024-10-24 22:38:48,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b59496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:38:48, skipping insertion in model container [2024-10-24 22:38:48,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:38:48" (3/3) ... [2024-10-24 22:38:48,521 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_18_bad.i [2024-10-24 22:38:48,537 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 22:38:48,538 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 22:38:48,596 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 22:38:48,601 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;@2046f0d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 22:38:48,602 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 22:38:48,605 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) [2024-10-24 22:38:48,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-24 22:38:48,612 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:38:48,612 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:38:48,612 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:38:48,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:38:48,617 INFO L85 PathProgramCache]: Analyzing trace with hash -260806867, now seen corresponding path program 1 times [2024-10-24 22:38:48,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:38:48,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386555064] [2024-10-24 22:38:48,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:38:48,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:38:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:38:48,721 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 22:38:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:38:48,770 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 22:38:48,772 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 22:38:48,773 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-24 22:38:48,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-24 22:38:48,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 22:38:48,779 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-24 22:38:48,798 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 22:38:48,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:38:48 BoogieIcfgContainer [2024-10-24 22:38:48,803 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 22:38:48,804 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 22:38:48,804 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 22:38:48,805 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 22:38:48,805 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:38:48" (3/4) ... [2024-10-24 22:38:48,808 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 22:38:48,809 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 22:38:48,810 INFO L158 Benchmark]: Toolchain (without parser) took 1513.39ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 76.1MB in the beginning and 89.0MB in the end (delta: -12.9MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2024-10-24 22:38:48,811 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:38:48,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 808.86ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 76.0MB in the beginning and 124.7MB in the end (delta: -48.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-10-24 22:38:48,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.43ms. Allocated memory is still 207.6MB. Free memory was 124.7MB in the beginning and 121.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 22:38:48,812 INFO L158 Benchmark]: Boogie Preprocessor took 30.11ms. Allocated memory is still 207.6MB. Free memory was 121.5MB in the beginning and 120.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:38:48,813 INFO L158 Benchmark]: RCFGBuilder took 332.03ms. Allocated memory is still 207.6MB. Free memory was 120.5MB in the beginning and 105.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 22:38:48,814 INFO L158 Benchmark]: TraceAbstraction took 288.97ms. Allocated memory is still 207.6MB. Free memory was 104.7MB in the beginning and 90.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 22:38:48,814 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 207.6MB. Free memory was 90.1MB in the beginning and 89.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:38:48,817 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 151.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 808.86ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 76.0MB in the beginning and 124.7MB in the end (delta: -48.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.43ms. Allocated memory is still 207.6MB. Free memory was 124.7MB in the beginning and 121.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.11ms. Allocated memory is still 207.6MB. Free memory was 121.5MB in the beginning and 120.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.03ms. Allocated memory is still 207.6MB. Free memory was 120.5MB in the beginning and 105.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 288.97ms. Allocated memory is still 207.6MB. Free memory was 104.7MB in the beginning and 90.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 207.6MB. Free memory was 90.1MB in the beginning and 89.0MB in the end (delta: 1.0MB). 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: 1559]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_18_bad() [L1550] int data; [L1551] data = 0 [L1557] 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] [L1559] 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: 1559]: 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 [2024-10-24 22:38:48,847 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 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_18_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 6cd8231e467eff67e40614a7ef29b1c93bdad42d8834f0791a1ac7a0a6482263 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 22:38:50,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 22:38:50,905 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-24 22:38:50,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 22:38:50,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 22:38:50,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-24 22:38:50,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 22:38:50,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 22:38:50,936 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 22:38:50,937 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 22:38:50,937 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 22:38:50,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 22:38:50,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 22:38:50,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 22:38:50,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 22:38:50,938 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 22:38:50,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 22:38:50,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 22:38:50,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 22:38:50,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 22:38:50,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 22:38:50,941 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 22:38:50,942 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 22:38:50,942 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 22:38:50,942 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 22:38:50,942 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 22:38:50,942 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 22:38:50,945 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 22:38:50,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 22:38:50,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 22:38:50,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 22:38:50,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 22:38:50,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 22:38:50,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 22:38:50,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:38:50,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 22:38:50,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 22:38:50,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 22:38:50,948 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 22:38:50,948 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 22:38:50,948 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 22:38:50,949 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 22:38:50,949 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 22:38:50,949 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 22:38:50,949 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 22:38:50,949 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cd8231e467eff67e40614a7ef29b1c93bdad42d8834f0791a1ac7a0a6482263 [2024-10-24 22:38:51,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 22:38:51,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 22:38:51,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 22:38:51,271 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 22:38:51,272 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 22:38:51,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_18_bad.i [2024-10-24 22:38:52,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 22:38:53,019 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 22:38:53,020 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_18_bad.i [2024-10-24 22:38:53,043 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95fc9a6a4/7589b377923b4578af7dd140d9acde83/FLAG38a1719b2 [2024-10-24 22:38:53,057 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95fc9a6a4/7589b377923b4578af7dd140d9acde83 [2024-10-24 22:38:53,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 22:38:53,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 22:38:53,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 22:38:53,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 22:38:53,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 22:38:53,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:38:53" (1/1) ... [2024-10-24 22:38:53,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8dcc3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:53, skipping insertion in model container [2024-10-24 22:38:53,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:38:53" (1/1) ... [2024-10-24 22:38:53,134 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 22:38:53,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:38:53,862 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 22:38:53,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:38:54,069 INFO L204 MainTranslator]: Completed translation [2024-10-24 22:38:54,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:54 WrapperNode [2024-10-24 22:38:54,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 22:38:54,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 22:38:54,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 22:38:54,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 22:38:54,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:54" (1/1) ... [2024-10-24 22:38:54,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:54" (1/1) ... [2024-10-24 22:38:54,126 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-10-24 22:38:54,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 22:38:54,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 22:38:54,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 22:38:54,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 22:38:54,140 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:54" (1/1) ... [2024-10-24 22:38:54,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:54" (1/1) ... [2024-10-24 22:38:54,145 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:54" (1/1) ... [2024-10-24 22:38:54,152 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 22:38:54,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:54" (1/1) ... [2024-10-24 22:38:54,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:54" (1/1) ... [2024-10-24 22:38:54,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:54" (1/1) ... [2024-10-24 22:38:54,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:54" (1/1) ... [2024-10-24 22:38:54,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:54" (1/1) ... [2024-10-24 22:38:54,169 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:54" (1/1) ... [2024-10-24 22:38:54,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 22:38:54,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 22:38:54,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 22:38:54,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 22:38:54,176 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:54" (1/1) ... [2024-10-24 22:38:54,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:38:54,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:38:54,206 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) [2024-10-24 22:38:54,209 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 [2024-10-24 22:38:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 22:38:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 22:38:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 22:38:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 22:38:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 22:38:54,394 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 22:38:54,396 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 22:38:54,524 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-10-24 22:38:54,524 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 22:38:54,556 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 22:38:54,556 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 22:38:54,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:38:54 BoogieIcfgContainer [2024-10-24 22:38:54,556 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 22:38:54,560 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 22:38:54,560 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 22:38:54,563 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 22:38:54,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:38:53" (1/3) ... [2024-10-24 22:38:54,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35311fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:38:54, skipping insertion in model container [2024-10-24 22:38:54,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:38:54" (2/3) ... [2024-10-24 22:38:54,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35311fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:38:54, skipping insertion in model container [2024-10-24 22:38:54,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:38:54" (3/3) ... [2024-10-24 22:38:54,565 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_18_bad.i [2024-10-24 22:38:54,580 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 22:38:54,581 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 22:38:54,635 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 22:38:54,641 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;@20876be3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 22:38:54,641 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 22:38:54,645 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) [2024-10-24 22:38:54,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-24 22:38:54,652 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:38:54,653 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:38:54,653 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:38:54,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:38:54,659 INFO L85 PathProgramCache]: Analyzing trace with hash -260806867, now seen corresponding path program 1 times [2024-10-24 22:38:54,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 22:38:54,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [299417202] [2024-10-24 22:38:54,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:38:54,671 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 [2024-10-24 22:38:54,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 22:38:54,674 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) [2024-10-24 22:38:54,675 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 [2024-10-24 22:38:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:38:54,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 22:38:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:38:54,840 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-24 22:38:54,842 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 22:38:54,843 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-24 22:38:54,844 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-24 22:38:54,849 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 [2024-10-24 22:38:55,045 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 [2024-10-24 22:38:55,049 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-24 22:38:55,078 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 22:38:55,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:38:55 BoogieIcfgContainer [2024-10-24 22:38:55,082 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 22:38:55,084 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 22:38:55,084 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 22:38:55,084 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 22:38:55,085 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:38:54" (3/4) ... [2024-10-24 22:38:55,087 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 22:38:55,088 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 22:38:55,089 INFO L158 Benchmark]: Toolchain (without parser) took 2028.29ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 39.2MB in the beginning and 59.8MB in the end (delta: -20.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-24 22:38:55,089 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 62.9MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:38:55,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1005.98ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 39.0MB in the beginning and 37.7MB in the end (delta: 1.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-10-24 22:38:55,090 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.92ms. Allocated memory is still 75.5MB. Free memory was 37.7MB in the beginning and 34.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:38:55,091 INFO L158 Benchmark]: Boogie Preprocessor took 45.30ms. Allocated memory is still 75.5MB. Free memory was 34.7MB in the beginning and 32.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 22:38:55,092 INFO L158 Benchmark]: RCFGBuilder took 381.02ms. Allocated memory is still 75.5MB. Free memory was 32.2MB in the beginning and 37.2MB in the end (delta: -5.0MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-10-24 22:38:55,093 INFO L158 Benchmark]: TraceAbstraction took 522.56ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 36.4MB in the beginning and 59.8MB in the end (delta: -23.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 22:38:55,094 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 92.3MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:38:55,096 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 62.9MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1005.98ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 39.0MB in the beginning and 37.7MB in the end (delta: 1.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.92ms. Allocated memory is still 75.5MB. Free memory was 37.7MB in the beginning and 34.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.30ms. Allocated memory is still 75.5MB. Free memory was 34.7MB in the beginning and 32.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 381.02ms. Allocated memory is still 75.5MB. Free memory was 32.2MB in the beginning and 37.2MB in the end (delta: -5.0MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * TraceAbstraction took 522.56ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 36.4MB in the beginning and 59.8MB in the end (delta: -23.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 92.3MB. Free memory is still 59.8MB. 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: 1559]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_18_bad() [L1550] int data; [L1551] data = 0 [L1557] 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] [L1559] 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: 1559]: 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 [2024-10-24 22:38:55,125 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