./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_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 84abbeab2c929e6ff1f3df3929c646a9a8cef266072a2d77da11e86bd9528e00 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 06:49:40,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 06:49:40,168 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 06:49:40,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 06:49:40,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 06:49:40,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 06:49:40,205 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 06:49:40,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 06:49:40,206 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 06:49:40,207 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 06:49:40,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 06:49:40,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 06:49:40,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 06:49:40,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 06:49:40,210 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 06:49:40,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 06:49:40,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 06:49:40,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 06:49:40,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 06:49:40,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 06:49:40,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 06:49:40,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 06:49:40,217 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 06:49:40,218 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 06:49:40,218 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 06:49:40,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 06:49:40,219 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 06:49:40,219 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 06:49:40,219 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 06:49:40,219 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 06:49:40,220 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 06:49:40,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:49:40,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 06:49:40,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 06:49:40,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 06:49:40,221 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 06:49:40,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 06:49:40,222 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 06:49:40,222 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 06:49:40,222 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 06:49:40,222 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 06:49:40,224 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84abbeab2c929e6ff1f3df3929c646a9a8cef266072a2d77da11e86bd9528e00 [2024-11-17 06:49:40,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 06:49:40,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 06:49:40,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 06:49:40,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 06:49:40,510 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 06:49:40,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i [2024-11-17 06:49:41,995 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 06:49:42,293 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 06:49:42,294 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i [2024-11-17 06:49:42,317 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d8f4bf31/0d892d36d9424c0794a2d5751105deb7/FLAG2222c4706 [2024-11-17 06:49:42,561 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d8f4bf31/0d892d36d9424c0794a2d5751105deb7 [2024-11-17 06:49:42,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 06:49:42,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 06:49:42,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 06:49:42,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 06:49:42,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 06:49:42,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:49:42" (1/1) ... [2024-11-17 06:49:42,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310d9f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:42, skipping insertion in model container [2024-11-17 06:49:42,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:49:42" (1/1) ... [2024-11-17 06:49:42,630 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 06:49:43,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:49:43,445 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 06:49:43,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:49:43,684 INFO L204 MainTranslator]: Completed translation [2024-11-17 06:49:43,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:43 WrapperNode [2024-11-17 06:49:43,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 06:49:43,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 06:49:43,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 06:49:43,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 06:49:43,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:43" (1/1) ... [2024-11-17 06:49:43,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:43" (1/1) ... [2024-11-17 06:49:43,765 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-11-17 06:49:43,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 06:49:43,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 06:49:43,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 06:49:43,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 06:49:43,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:43" (1/1) ... [2024-11-17 06:49:43,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:43" (1/1) ... [2024-11-17 06:49:43,779 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:43" (1/1) ... [2024-11-17 06:49:43,792 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-17 06:49:43,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:43" (1/1) ... [2024-11-17 06:49:43,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:43" (1/1) ... [2024-11-17 06:49:43,800 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:43" (1/1) ... [2024-11-17 06:49:43,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:43" (1/1) ... [2024-11-17 06:49:43,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:43" (1/1) ... [2024-11-17 06:49:43,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:43" (1/1) ... [2024-11-17 06:49:43,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 06:49:43,812 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 06:49:43,812 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 06:49:43,812 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 06:49:43,813 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:43" (1/1) ... [2024-11-17 06:49:43,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:49:43,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 06:49:43,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 06:49:43,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 06:49:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 06:49:43,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 06:49:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 06:49:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 06:49:43,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 06:49:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 06:49:44,019 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 06:49:44,021 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 06:49:44,163 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-17 06:49:44,164 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 06:49:44,178 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 06:49:44,178 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 06:49:44,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:49:44 BoogieIcfgContainer [2024-11-17 06:49:44,179 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 06:49:44,181 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 06:49:44,181 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 06:49:44,184 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 06:49:44,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:49:42" (1/3) ... [2024-11-17 06:49:44,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24995bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:49:44, skipping insertion in model container [2024-11-17 06:49:44,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:43" (2/3) ... [2024-11-17 06:49:44,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24995bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:49:44, skipping insertion in model container [2024-11-17 06:49:44,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:49:44" (3/3) ... [2024-11-17 06:49:44,186 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i [2024-11-17 06:49:44,203 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 06:49:44,203 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 06:49:44,262 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 06:49:44,271 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;@60025240, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 06:49:44,271 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 06:49:44,276 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 06:49:44,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 06:49:44,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 06:49:44,284 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 06:49:44,285 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 06:49:44,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 06:49:44,290 INFO L85 PathProgramCache]: Analyzing trace with hash -890639271, now seen corresponding path program 1 times [2024-11-17 06:49:44,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 06:49:44,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380437652] [2024-11-17 06:49:44,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 06:49:44,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 06:49:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:49:44,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 06:49:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:49:44,582 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 06:49:44,584 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 06:49:44,586 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 06:49:44,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 06:49:44,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 06:49:44,593 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-17 06:49:44,622 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 06:49:44,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 06:49:44 BoogieIcfgContainer [2024-11-17 06:49:44,626 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 06:49:44,627 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 06:49:44,627 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 06:49:44,628 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 06:49:44,628 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:49:44" (3/4) ... [2024-11-17 06:49:44,631 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 06:49:44,632 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 06:49:44,633 INFO L158 Benchmark]: Toolchain (without parser) took 2068.08ms. Allocated memory was 163.6MB in the beginning and 232.8MB in the end (delta: 69.2MB). Free memory was 101.9MB in the beginning and 132.9MB in the end (delta: -31.0MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-17 06:49:44,633 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 163.6MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:49:44,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1118.92ms. Allocated memory was 163.6MB in the beginning and 232.8MB in the end (delta: 69.2MB). Free memory was 101.9MB in the beginning and 172.7MB in the end (delta: -70.8MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2024-11-17 06:49:44,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.14ms. Allocated memory is still 232.8MB. Free memory was 172.7MB in the beginning and 169.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 06:49:44,635 INFO L158 Benchmark]: Boogie Preprocessor took 42.24ms. Allocated memory is still 232.8MB. Free memory was 169.6MB in the beginning and 167.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 06:49:44,635 INFO L158 Benchmark]: IcfgBuilder took 367.02ms. Allocated memory is still 232.8MB. Free memory was 167.5MB in the beginning and 153.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 06:49:44,635 INFO L158 Benchmark]: TraceAbstraction took 444.87ms. Allocated memory is still 232.8MB. Free memory was 152.8MB in the beginning and 132.9MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-17 06:49:44,636 INFO L158 Benchmark]: Witness Printer took 5.55ms. Allocated memory is still 232.8MB. Free memory was 132.9MB in the beginning and 132.9MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 06:49:44,641 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 163.6MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1118.92ms. Allocated memory was 163.6MB in the beginning and 232.8MB in the end (delta: 69.2MB). Free memory was 101.9MB in the beginning and 172.7MB in the end (delta: -70.8MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.14ms. Allocated memory is still 232.8MB. Free memory was 172.7MB in the beginning and 169.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.24ms. Allocated memory is still 232.8MB. Free memory was 169.6MB in the beginning and 167.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 367.02ms. Allocated memory is still 232.8MB. Free memory was 167.5MB in the beginning and 153.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 444.87ms. Allocated memory is still 232.8MB. Free memory was 152.8MB in the beginning and 132.9MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.55ms. Allocated memory is still 232.8MB. Free memory was 132.9MB in the beginning and 132.9MB 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: 1586]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1573, overapproximation of fgets at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE191_Integer_Underflow__int_fgets_multiply_68_badData; [L1549] int CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData; [L1550] int CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData; VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=0, CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=0, CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1573] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=0, CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] CALL CWE191_Integer_Underflow__int_fgets_multiply_68_bad() [L1554] int data; [L1555] data = 0 [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=0, CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] CWE191_Integer_Underflow__int_fgets_multiply_68_badData = data [L1568] CALL CWE191_Integer_Underflow__int_fgets_multiply_68b_badSink() [L1583] int data = CWE191_Integer_Underflow__int_fgets_multiply_68_badData; VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-1073741825, CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, 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] [L1584] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-1073741825, CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, 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] [L1586] data * 2 VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-1073741825, CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1586]: 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, 26 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=26occurred 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, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-17 06:49:44,685 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/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_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 84abbeab2c929e6ff1f3df3929c646a9a8cef266072a2d77da11e86bd9528e00 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 06:49:46,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 06:49:47,054 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-17 06:49:47,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 06:49:47,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 06:49:47,062 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-17 06:49:47,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 06:49:47,101 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 06:49:47,101 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 06:49:47,102 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 06:49:47,102 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 06:49:47,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 06:49:47,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 06:49:47,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 06:49:47,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 06:49:47,107 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 06:49:47,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 06:49:47,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 06:49:47,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 06:49:47,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 06:49:47,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 06:49:47,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 06:49:47,111 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 06:49:47,111 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-17 06:49:47,112 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 06:49:47,112 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 06:49:47,112 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-17 06:49:47,112 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 06:49:47,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 06:49:47,113 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 06:49:47,113 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 06:49:47,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 06:49:47,114 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 06:49:47,114 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 06:49:47,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:49:47,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 06:49:47,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 06:49:47,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 06:49:47,116 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-17 06:49:47,117 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-17 06:49:47,117 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 06:49:47,117 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 06:49:47,118 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 06:49:47,118 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 06:49:47,118 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84abbeab2c929e6ff1f3df3929c646a9a8cef266072a2d77da11e86bd9528e00 [2024-11-17 06:49:47,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 06:49:47,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 06:49:47,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 06:49:47,468 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 06:49:47,468 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 06:49:47,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i [2024-11-17 06:49:49,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 06:49:49,438 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 06:49:49,439 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i [2024-11-17 06:49:49,467 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d59cf1ea/7f8ee1df9df54a86bc0b83c12626759f/FLAG7f178fdbe [2024-11-17 06:49:49,673 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d59cf1ea/7f8ee1df9df54a86bc0b83c12626759f [2024-11-17 06:49:49,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 06:49:49,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 06:49:49,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 06:49:49,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 06:49:49,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 06:49:49,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:49:49" (1/1) ... [2024-11-17 06:49:49,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50321887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:49, skipping insertion in model container [2024-11-17 06:49:49,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:49:49" (1/1) ... [2024-11-17 06:49:49,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 06:49:50,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:49:50,741 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 06:49:50,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:49:50,977 INFO L204 MainTranslator]: Completed translation [2024-11-17 06:49:50,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:50 WrapperNode [2024-11-17 06:49:50,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 06:49:50,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 06:49:50,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 06:49:50,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 06:49:50,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:50" (1/1) ... [2024-11-17 06:49:51,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:50" (1/1) ... [2024-11-17 06:49:51,029 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2024-11-17 06:49:51,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 06:49:51,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 06:49:51,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 06:49:51,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 06:49:51,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:50" (1/1) ... [2024-11-17 06:49:51,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:50" (1/1) ... [2024-11-17 06:49:51,048 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:50" (1/1) ... [2024-11-17 06:49:51,063 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-17 06:49:51,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:50" (1/1) ... [2024-11-17 06:49:51,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:50" (1/1) ... [2024-11-17 06:49:51,078 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:50" (1/1) ... [2024-11-17 06:49:51,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:50" (1/1) ... [2024-11-17 06:49:51,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:50" (1/1) ... [2024-11-17 06:49:51,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:50" (1/1) ... [2024-11-17 06:49:51,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 06:49:51,094 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 06:49:51,097 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 06:49:51,097 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 06:49:51,098 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:50" (1/1) ... [2024-11-17 06:49:51,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:49:51,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 06:49:51,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 06:49:51,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 06:49:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 06:49:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 06:49:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-17 06:49:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 06:49:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 06:49:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 06:49:51,333 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 06:49:51,336 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 06:49:51,496 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-17 06:49:51,496 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 06:49:51,509 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 06:49:51,509 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 06:49:51,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:49:51 BoogieIcfgContainer [2024-11-17 06:49:51,510 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 06:49:51,512 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 06:49:51,513 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 06:49:51,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 06:49:51,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:49:49" (1/3) ... [2024-11-17 06:49:51,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110f16a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:49:51, skipping insertion in model container [2024-11-17 06:49:51,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:50" (2/3) ... [2024-11-17 06:49:51,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110f16a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:49:51, skipping insertion in model container [2024-11-17 06:49:51,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:49:51" (3/3) ... [2024-11-17 06:49:51,520 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i [2024-11-17 06:49:51,536 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 06:49:51,537 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 06:49:51,610 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 06:49:51,617 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;@7dad9021, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 06:49:51,617 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 06:49:51,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 06:49:51,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 06:49:51,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 06:49:51,630 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 06:49:51,630 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 06:49:51,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 06:49:51,637 INFO L85 PathProgramCache]: Analyzing trace with hash -890639271, now seen corresponding path program 1 times [2024-11-17 06:49:51,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 06:49:51,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544157758] [2024-11-17 06:49:51,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 06:49:51,651 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 06:49:51,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 06:49:51,654 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 06:49:51,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-17 06:49:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:49:51,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 06:49:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:49:51,872 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-17 06:49:51,874 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 06:49:51,875 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 06:49:51,877 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 06:49:51,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-17 06:49:52,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 06:49:52,082 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-17 06:49:52,103 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 06:49:52,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 06:49:52 BoogieIcfgContainer [2024-11-17 06:49:52,105 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 06:49:52,106 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 06:49:52,106 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 06:49:52,106 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 06:49:52,107 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:49:51" (3/4) ... [2024-11-17 06:49:52,109 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 06:49:52,110 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 06:49:52,111 INFO L158 Benchmark]: Toolchain (without parser) took 2432.05ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 34.7MB in the beginning and 48.1MB in the end (delta: -13.4MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-11-17 06:49:52,111 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 46.1MB. Free memory was 28.7MB in the beginning and 28.7MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:49:52,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1296.81ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 34.5MB in the beginning and 41.0MB in the end (delta: -6.5MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2024-11-17 06:49:52,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.38ms. Allocated memory is still 81.8MB. Free memory was 41.0MB in the beginning and 38.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 06:49:52,113 INFO L158 Benchmark]: Boogie Preprocessor took 62.37ms. Allocated memory is still 81.8MB. Free memory was 38.1MB in the beginning and 35.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 06:49:52,114 INFO L158 Benchmark]: IcfgBuilder took 416.67ms. Allocated memory is still 81.8MB. Free memory was 35.2MB in the beginning and 44.6MB in the end (delta: -9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-17 06:49:52,114 INFO L158 Benchmark]: TraceAbstraction took 593.67ms. Allocated memory is still 81.8MB. Free memory was 43.7MB in the beginning and 48.6MB in the end (delta: -5.0MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-11-17 06:49:52,115 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 81.8MB. Free memory was 48.6MB in the beginning and 48.1MB in the end (delta: 467.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 06:49:52,117 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90ms. Allocated memory is still 46.1MB. Free memory was 28.7MB in the beginning and 28.7MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1296.81ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 34.5MB in the beginning and 41.0MB in the end (delta: -6.5MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.38ms. Allocated memory is still 81.8MB. Free memory was 41.0MB in the beginning and 38.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.37ms. Allocated memory is still 81.8MB. Free memory was 38.1MB in the beginning and 35.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 416.67ms. Allocated memory is still 81.8MB. Free memory was 35.2MB in the beginning and 44.6MB in the end (delta: -9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 593.67ms. Allocated memory is still 81.8MB. Free memory was 43.7MB in the beginning and 48.6MB in the end (delta: -5.0MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 81.8MB. Free memory was 48.6MB in the beginning and 48.1MB in the end (delta: 467.5kB). 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: 1586]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1573, overapproximation of fgets at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE191_Integer_Underflow__int_fgets_multiply_68_badData; VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1573] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] CALL CWE191_Integer_Underflow__int_fgets_multiply_68_bad() [L1554] int data; [L1555] data = 0 [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] CWE191_Integer_Underflow__int_fgets_multiply_68_badData = data [L1568] CALL CWE191_Integer_Underflow__int_fgets_multiply_68b_badSink() [L1583] int data = CWE191_Integer_Underflow__int_fgets_multiply_68_badData; VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-2147483648, 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] [L1584] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-2147483648, 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] [L1586] data * 2 VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-2147483648, 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: 1586]: 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, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-17 06:49:52,144 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