./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_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 a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 00:59:43,432 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 00:59:43,487 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 00:59:43,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 00:59:43,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 00:59:43,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 00:59:43,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 00:59:43,540 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 00:59:43,541 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 00:59:43,542 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 00:59:43,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 00:59:43,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 00:59:43,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 00:59:43,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 00:59:43,544 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 00:59:43,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 00:59:43,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 00:59:43,548 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 00:59:43,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 00:59:43,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 00:59:43,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 00:59:43,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 00:59:43,552 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 00:59:43,553 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 00:59:43,553 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 00:59:43,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 00:59:43,553 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 00:59:43,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 00:59:43,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 00:59:43,554 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 00:59:43,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 00:59:43,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 00:59:43,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 00:59:43,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 00:59:43,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 00:59:43,570 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 00:59:43,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 00:59:43,571 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 00:59:43,571 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 00:59:43,571 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 00:59:43,571 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 00:59:43,572 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512 [2024-11-23 00:59:43,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 00:59:43,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 00:59:43,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 00:59:43,782 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 00:59:43,784 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 00:59:43,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i [2024-11-23 00:59:45,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 00:59:45,366 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 00:59:45,367 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i [2024-11-23 00:59:45,389 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7b484bf9/df8cf6b32a1741e189b3b09746d4bd51/FLAG69d763121 [2024-11-23 00:59:45,666 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7b484bf9/df8cf6b32a1741e189b3b09746d4bd51 [2024-11-23 00:59:45,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 00:59:45,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 00:59:45,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 00:59:45,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 00:59:45,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 00:59:45,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:45" (1/1) ... [2024-11-23 00:59:45,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ad6252e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:45, skipping insertion in model container [2024-11-23 00:59:45,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:45" (1/1) ... [2024-11-23 00:59:45,730 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 00:59:46,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 00:59:46,237 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 00:59:46,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 00:59:46,389 INFO L204 MainTranslator]: Completed translation [2024-11-23 00:59:46,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:46 WrapperNode [2024-11-23 00:59:46,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 00:59:46,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 00:59:46,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 00:59:46,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 00:59:46,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:46" (1/1) ... [2024-11-23 00:59:46,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:46" (1/1) ... [2024-11-23 00:59:46,440 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-23 00:59:46,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 00:59:46,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 00:59:46,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 00:59:46,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 00:59:46,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:46" (1/1) ... [2024-11-23 00:59:46,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:46" (1/1) ... [2024-11-23 00:59:46,452 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:46" (1/1) ... [2024-11-23 00:59:46,459 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 00:59:46,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:46" (1/1) ... [2024-11-23 00:59:46,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:46" (1/1) ... [2024-11-23 00:59:46,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:46" (1/1) ... [2024-11-23 00:59:46,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:46" (1/1) ... [2024-11-23 00:59:46,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:46" (1/1) ... [2024-11-23 00:59:46,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:46" (1/1) ... [2024-11-23 00:59:46,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 00:59:46,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 00:59:46,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 00:59:46,468 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 00:59:46,469 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:46" (1/1) ... [2024-11-23 00:59:46,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 00:59:46,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 00:59:46,511 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) [2024-11-23 00:59:46,513 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 [2024-11-23 00:59:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 00:59:46,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 00:59:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 00:59:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 00:59:46,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 00:59:46,680 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 00:59:46,682 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 00:59:46,749 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-23 00:59:46,749 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 00:59:46,761 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 00:59:46,761 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 00:59:46,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:46 BoogieIcfgContainer [2024-11-23 00:59:46,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 00:59:46,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 00:59:46,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 00:59:46,766 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 00:59:46,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:59:45" (1/3) ... [2024-11-23 00:59:46,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7120e948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:59:46, skipping insertion in model container [2024-11-23 00:59:46,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:46" (2/3) ... [2024-11-23 00:59:46,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7120e948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:59:46, skipping insertion in model container [2024-11-23 00:59:46,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:46" (3/3) ... [2024-11-23 00:59:46,770 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i [2024-11-23 00:59:46,784 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 00:59:46,784 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-23 00:59:46,835 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 00:59:46,840 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;@4684120c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 00:59:46,841 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 00:59:46,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 00:59:46,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-23 00:59:46,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 00:59:46,851 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 00:59:46,852 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 00:59:46,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 00:59:46,856 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-23 00:59:46,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 00:59:46,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124273811] [2024-11-23 00:59:46,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 00:59:46,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 00:59:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 00:59:47,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 00:59:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 00:59:47,121 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 00:59:47,123 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-23 00:59:47,128 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 00:59:47,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 00:59:47,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 00:59:47,136 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 00:59:47,171 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 00:59:47,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:59:47 BoogieIcfgContainer [2024-11-23 00:59:47,178 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 00:59:47,179 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 00:59:47,179 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 00:59:47,183 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 00:59:47,183 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:46" (3/4) ... [2024-11-23 00:59:47,185 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 00:59:47,186 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 00:59:47,188 INFO L158 Benchmark]: Toolchain (without parser) took 1518.01ms. Allocated memory is still 245.4MB. Free memory was 213.5MB in the beginning and 204.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-11-23 00:59:47,189 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 134.2MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:59:47,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 720.37ms. Allocated memory is still 245.4MB. Free memory was 213.3MB in the beginning and 154.8MB in the end (delta: 58.5MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2024-11-23 00:59:47,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.82ms. Allocated memory is still 245.4MB. Free memory was 154.8MB in the beginning and 151.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 00:59:47,192 INFO L158 Benchmark]: Boogie Preprocessor took 26.31ms. Allocated memory is still 245.4MB. Free memory was 151.6MB in the beginning and 149.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 00:59:47,192 INFO L158 Benchmark]: RCFGBuilder took 294.05ms. Allocated memory is still 245.4MB. Free memory was 149.5MB in the beginning and 137.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-23 00:59:47,193 INFO L158 Benchmark]: TraceAbstraction took 414.11ms. Allocated memory is still 245.4MB. Free memory was 137.0MB in the beginning and 204.0MB in the end (delta: -67.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:59:47,194 INFO L158 Benchmark]: Witness Printer took 7.36ms. Allocated memory is still 245.4MB. Free memory was 204.0MB in the beginning and 204.0MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:59:47,198 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 134.2MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 720.37ms. Allocated memory is still 245.4MB. Free memory was 213.3MB in the beginning and 154.8MB in the end (delta: 58.5MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.82ms. Allocated memory is still 245.4MB. Free memory was 154.8MB in the beginning and 151.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.31ms. Allocated memory is still 245.4MB. Free memory was 151.6MB in the beginning and 149.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 294.05ms. Allocated memory is still 245.4MB. Free memory was 149.5MB in the beginning and 137.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 414.11ms. Allocated memory is still 245.4MB. Free memory was 137.0MB in the beginning and 204.0MB in the end (delta: -67.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.36ms. Allocated memory is still 245.4MB. Free memory was 204.0MB in the beginning and 204.0MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1554]: 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 1562. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_fscanf_postdec_01_bad() [L1550] int data; [L1551] data = 0 [L1554] data-- 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: 1554]: 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 00:59:47,222 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 ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_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 a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 00:59:49,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 00:59:49,181 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-23 00:59:49,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 00:59:49,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 00:59:49,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-23 00:59:49,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 00:59:49,212 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 00:59:49,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 00:59:49,213 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 00:59:49,214 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 00:59:49,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 00:59:49,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 00:59:49,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 00:59:49,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 00:59:49,216 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 00:59:49,217 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 00:59:49,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 00:59:49,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 00:59:49,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 00:59:49,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 00:59:49,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 00:59:49,220 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 00:59:49,221 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 00:59:49,221 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 00:59:49,221 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 00:59:49,221 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 00:59:49,221 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 00:59:49,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 00:59:49,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 00:59:49,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 00:59:49,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 00:59:49,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 00:59:49,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 00:59:49,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 00:59:49,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 00:59:49,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 00:59:49,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 00:59:49,223 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-23 00:59:49,223 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 00:59:49,223 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 00:59:49,225 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 00:59:49,225 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 00:59:49,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 00:59:49,226 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512 [2024-11-23 00:59:49,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 00:59:49,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 00:59:49,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 00:59:49,536 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 00:59:49,536 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 00:59:49,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i [2024-11-23 00:59:50,869 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 00:59:51,183 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 00:59:51,185 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i [2024-11-23 00:59:51,204 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8c7f615d/0fde8489ae3c45d487924e1e5a9b5359/FLAG42b2280c2 [2024-11-23 00:59:51,219 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8c7f615d/0fde8489ae3c45d487924e1e5a9b5359 [2024-11-23 00:59:51,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 00:59:51,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 00:59:51,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 00:59:51,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 00:59:51,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 00:59:51,235 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:51" (1/1) ... [2024-11-23 00:59:51,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b7ea6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:51, skipping insertion in model container [2024-11-23 00:59:51,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:51" (1/1) ... [2024-11-23 00:59:51,318 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 00:59:51,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 00:59:51,989 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 00:59:52,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 00:59:52,176 INFO L204 MainTranslator]: Completed translation [2024-11-23 00:59:52,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:52 WrapperNode [2024-11-23 00:59:52,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 00:59:52,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 00:59:52,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 00:59:52,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 00:59:52,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:52" (1/1) ... [2024-11-23 00:59:52,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:52" (1/1) ... [2024-11-23 00:59:52,233 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-23 00:59:52,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 00:59:52,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 00:59:52,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 00:59:52,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 00:59:52,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:52" (1/1) ... [2024-11-23 00:59:52,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:52" (1/1) ... [2024-11-23 00:59:52,247 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:52" (1/1) ... [2024-11-23 00:59:52,261 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 00:59:52,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:52" (1/1) ... [2024-11-23 00:59:52,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:52" (1/1) ... [2024-11-23 00:59:52,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:52" (1/1) ... [2024-11-23 00:59:52,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:52" (1/1) ... [2024-11-23 00:59:52,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:52" (1/1) ... [2024-11-23 00:59:52,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:52" (1/1) ... [2024-11-23 00:59:52,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 00:59:52,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 00:59:52,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 00:59:52,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 00:59:52,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:52" (1/1) ... [2024-11-23 00:59:52,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 00:59:52,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 00:59:52,316 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) [2024-11-23 00:59:52,319 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 [2024-11-23 00:59:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 00:59:52,350 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 00:59:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 00:59:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 00:59:52,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 00:59:52,466 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 00:59:52,468 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 00:59:52,574 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-23 00:59:52,574 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 00:59:52,591 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 00:59:52,592 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 00:59:52,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:52 BoogieIcfgContainer [2024-11-23 00:59:52,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 00:59:52,593 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 00:59:52,593 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 00:59:52,600 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 00:59:52,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:59:51" (1/3) ... [2024-11-23 00:59:52,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac49006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:59:52, skipping insertion in model container [2024-11-23 00:59:52,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:52" (2/3) ... [2024-11-23 00:59:52,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac49006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:59:52, skipping insertion in model container [2024-11-23 00:59:52,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:52" (3/3) ... [2024-11-23 00:59:52,602 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i [2024-11-23 00:59:52,616 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 00:59:52,616 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-23 00:59:52,664 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 00:59:52,669 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;@7a975452, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 00:59:52,669 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 00:59:52,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 00:59:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-23 00:59:52,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 00:59:52,678 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 00:59:52,678 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 00:59:52,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 00:59:52,683 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-23 00:59:52,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-23 00:59:52,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [9987680] [2024-11-23 00:59:52,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 00:59:52,694 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 [2024-11-23 00:59:52,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-23 00:59:52,699 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) [2024-11-23 00:59:52,700 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 [2024-11-23 00:59:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 00:59:52,798 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 00:59:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 00:59:52,843 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-23 00:59:52,844 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-23 00:59:52,845 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 00:59:52,846 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 00:59:52,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-23 00:59:53,047 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 [2024-11-23 00:59:53,052 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 00:59:53,065 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 00:59:53,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:59:53 BoogieIcfgContainer [2024-11-23 00:59:53,068 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 00:59:53,068 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 00:59:53,068 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 00:59:53,068 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 00:59:53,069 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:52" (3/4) ... [2024-11-23 00:59:53,070 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 00:59:53,071 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 00:59:53,072 INFO L158 Benchmark]: Toolchain (without parser) took 1850.28ms. Allocated memory was 88.1MB in the beginning and 142.6MB in the end (delta: 54.5MB). Free memory was 47.6MB in the beginning and 87.3MB in the end (delta: -39.7MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-11-23 00:59:53,072 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 88.1MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:59:53,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 954.33ms. Allocated memory was 88.1MB in the beginning and 142.6MB in the end (delta: 54.5MB). Free memory was 47.4MB in the beginning and 79.6MB in the end (delta: -32.2MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-11-23 00:59:53,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.92ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 76.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 00:59:53,074 INFO L158 Benchmark]: Boogie Preprocessor took 40.62ms. Allocated memory is still 142.6MB. Free memory was 76.7MB in the beginning and 74.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 00:59:53,074 INFO L158 Benchmark]: RCFGBuilder took 317.03ms. Allocated memory is still 142.6MB. Free memory was 74.0MB in the beginning and 104.1MB in the end (delta: -30.1MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-11-23 00:59:53,074 INFO L158 Benchmark]: TraceAbstraction took 474.42ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 88.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-23 00:59:53,075 INFO L158 Benchmark]: Witness Printer took 3.20ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 87.3MB in the end (delta: 893.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:59:53,077 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 88.1MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 954.33ms. Allocated memory was 88.1MB in the beginning and 142.6MB in the end (delta: 54.5MB). Free memory was 47.4MB in the beginning and 79.6MB in the end (delta: -32.2MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.92ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 76.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.62ms. Allocated memory is still 142.6MB. Free memory was 76.7MB in the beginning and 74.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 317.03ms. Allocated memory is still 142.6MB. Free memory was 74.0MB in the beginning and 104.1MB in the end (delta: -30.1MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * TraceAbstraction took 474.42ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 88.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 3.20ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 87.3MB in the end (delta: 893.4kB). 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: 1554]: 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 1562. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_fscanf_postdec_01_bad() [L1550] int data; [L1551] data = 0 [L1554] data-- 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: 1554]: 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, 19 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=19occurred 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 [2024-11-23 00:59:53,097 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