./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f 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/CWE190_Integer_Overflow__int_fscanf_add_08_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 889c47cf91dc678945de229006aaf762bb0eec6cdf5835f548de77ba75efd829 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 18:49:47,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 18:49:47,290 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-12 18:49:47,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 18:49:47,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 18:49:47,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 18:49:47,342 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 18:49:47,342 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 18:49:47,343 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 18:49:47,344 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 18:49:47,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 18:49:47,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 18:49:47,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 18:49:47,358 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 18:49:47,358 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 18:49:47,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 18:49:47,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 18:49:47,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 18:49:47,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 18:49:47,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 18:49:47,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 18:49:47,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 18:49:47,363 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 18:49:47,363 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 18:49:47,363 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 18:49:47,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 18:49:47,364 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 18:49:47,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 18:49:47,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 18:49:47,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 18:49:47,365 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 18:49:47,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 18:49:47,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 18:49:47,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 18:49:47,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 18:49:47,366 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 18:49:47,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 18:49:47,367 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 18:49:47,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 18:49:47,368 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 18:49:47,368 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 18:49:47,368 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 889c47cf91dc678945de229006aaf762bb0eec6cdf5835f548de77ba75efd829 [2024-11-12 18:49:47,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 18:49:47,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 18:49:47,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 18:49:47,657 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 18:49:47,658 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 18:49:47,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_08_bad.i [2024-11-12 18:49:49,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 18:49:49,516 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 18:49:49,520 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_08_bad.i [2024-11-12 18:49:49,548 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cad42b423/a8c62ccc210247ccad539553fbc94b42/FLAG1b1f15eb4 [2024-11-12 18:49:49,563 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cad42b423/a8c62ccc210247ccad539553fbc94b42 [2024-11-12 18:49:49,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 18:49:49,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 18:49:49,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 18:49:49,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 18:49:49,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 18:49:49,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:49:49" (1/1) ... [2024-11-12 18:49:49,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b0afae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:49, skipping insertion in model container [2024-11-12 18:49:49,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:49:49" (1/1) ... [2024-11-12 18:49:49,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 18:49:50,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 18:49:50,289 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 18:49:50,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 18:49:50,510 INFO L204 MainTranslator]: Completed translation [2024-11-12 18:49:50,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:50 WrapperNode [2024-11-12 18:49:50,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 18:49:50,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 18:49:50,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 18:49:50,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 18:49:50,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:50" (1/1) ... [2024-11-12 18:49:50,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:50" (1/1) ... [2024-11-12 18:49:50,638 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-12 18:49:50,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 18:49:50,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 18:49:50,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 18:49:50,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 18:49:50,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:50" (1/1) ... [2024-11-12 18:49:50,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:50" (1/1) ... [2024-11-12 18:49:50,688 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:50" (1/1) ... [2024-11-12 18:49:50,705 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 18:49:50,706 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:50" (1/1) ... [2024-11-12 18:49:50,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:50" (1/1) ... [2024-11-12 18:49:50,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:50" (1/1) ... [2024-11-12 18:49:50,711 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:50" (1/1) ... [2024-11-12 18:49:50,713 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:50" (1/1) ... [2024-11-12 18:49:50,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:50" (1/1) ... [2024-11-12 18:49:50,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 18:49:50,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 18:49:50,716 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 18:49:50,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 18:49:50,717 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:50" (1/1) ... [2024-11-12 18:49:50,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 18:49:50,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 18:49:50,755 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) [2024-11-12 18:49:50,758 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 [2024-11-12 18:49:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 18:49:50,802 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 18:49:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 18:49:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 18:49:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 18:49:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-12 18:49:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-12 18:49:50,950 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 18:49:50,952 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 18:49:51,056 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-12 18:49:51,056 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 18:49:51,068 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 18:49:51,069 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 18:49:51,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:49:51 BoogieIcfgContainer [2024-11-12 18:49:51,069 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 18:49:51,071 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 18:49:51,072 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 18:49:51,075 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 18:49:51,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:49:49" (1/3) ... [2024-11-12 18:49:51,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103069c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:49:51, skipping insertion in model container [2024-11-12 18:49:51,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:50" (2/3) ... [2024-11-12 18:49:51,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103069c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:49:51, skipping insertion in model container [2024-11-12 18:49:51,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:49:51" (3/3) ... [2024-11-12 18:49:51,080 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_08_bad.i [2024-11-12 18:49:51,095 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 18:49:51,095 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 18:49:51,144 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 18:49:51,150 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;@71f6b36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 18:49:51,150 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 18:49:51,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 18:49:51,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-12 18:49:51,162 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 18:49:51,162 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 18:49:51,163 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 18:49:51,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 18:49:51,169 INFO L85 PathProgramCache]: Analyzing trace with hash 601587096, now seen corresponding path program 1 times [2024-11-12 18:49:51,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 18:49:51,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679973411] [2024-11-12 18:49:51,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 18:49:51,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 18:49:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 18:49:51,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 18:49:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 18:49:51,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 18:49:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 18:49:51,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 18:49:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 18:49:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-12 18:49:51,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 18:49:51,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679973411] [2024-11-12 18:49:51,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679973411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 18:49:51,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 18:49:51,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 18:49:51,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559800808] [2024-11-12 18:49:51,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 18:49:51,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 18:49:51,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 18:49:51,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 18:49:51,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 18:49:51,648 INFO L87 Difference]: Start difference. First operand has 28 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 18:49:51,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 18:49:51,674 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2024-11-12 18:49:51,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 18:49:51,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-12 18:49:51,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 18:49:51,685 INFO L225 Difference]: With dead ends: 29 [2024-11-12 18:49:51,689 INFO L226 Difference]: Without dead ends: 20 [2024-11-12 18:49:51,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 18:49:51,696 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 4 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 18:49:51,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 46 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 18:49:51,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-12 18:49:51,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-12 18:49:51,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 18:49:51,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2024-11-12 18:49:51,726 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 21 [2024-11-12 18:49:51,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 18:49:51,727 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2024-11-12 18:49:51,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 18:49:51,728 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-12 18:49:51,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-12 18:49:51,729 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 18:49:51,729 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 18:49:51,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 18:49:51,729 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 18:49:51,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 18:49:51,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1469330851, now seen corresponding path program 1 times [2024-11-12 18:49:51,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 18:49:51,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799325824] [2024-11-12 18:49:51,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 18:49:51,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 18:49:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 18:49:51,761 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 18:49:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 18:49:51,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 18:49:51,798 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 18:49:51,799 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-12 18:49:51,801 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-12 18:49:51,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 18:49:51,804 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-12 18:49:51,827 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 18:49:51,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:49:51 BoogieIcfgContainer [2024-11-12 18:49:51,833 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 18:49:51,834 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 18:49:51,834 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 18:49:51,834 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 18:49:51,835 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:49:51" (3/4) ... [2024-11-12 18:49:51,837 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 18:49:51,838 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 18:49:51,839 INFO L158 Benchmark]: Toolchain (without parser) took 2271.38ms. Allocated memory is still 184.5MB. Free memory was 153.1MB in the beginning and 95.8MB in the end (delta: 57.2MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2024-11-12 18:49:51,839 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 18:49:51,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 942.10ms. Allocated memory is still 184.5MB. Free memory was 153.1MB in the beginning and 87.3MB in the end (delta: 65.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-12 18:49:51,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.19ms. Allocated memory is still 184.5MB. Free memory was 87.3MB in the beginning and 149.3MB in the end (delta: -62.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 18:49:51,840 INFO L158 Benchmark]: Boogie Preprocessor took 72.56ms. Allocated memory is still 184.5MB. Free memory was 149.3MB in the beginning and 148.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 18:49:51,841 INFO L158 Benchmark]: RCFGBuilder took 353.20ms. Allocated memory is still 184.5MB. Free memory was 147.2MB in the beginning and 134.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 18:49:51,841 INFO L158 Benchmark]: TraceAbstraction took 761.63ms. Allocated memory is still 184.5MB. Free memory was 133.6MB in the beginning and 95.8MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-12 18:49:51,841 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 184.5MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 18:49:51,844 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 942.10ms. Allocated memory is still 184.5MB. Free memory was 153.1MB in the beginning and 87.3MB in the end (delta: 65.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.19ms. Allocated memory is still 184.5MB. Free memory was 87.3MB in the beginning and 149.3MB in the end (delta: -62.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.56ms. Allocated memory is still 184.5MB. Free memory was 149.3MB in the beginning and 148.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.20ms. Allocated memory is still 184.5MB. Free memory was 147.2MB in the beginning and 134.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 761.63ms. Allocated memory is still 184.5MB. Free memory was 133.6MB in the beginning and 95.8MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 184.5MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1567]: 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 1575. 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] [L1575] 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) [L1575] 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] [L1576] CALL CWE190_Integer_Overflow__int_fscanf_add_08_bad() [L1558] int data; [L1559] data = 0 VAL [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] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] RET staticReturnsTrue() VAL [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] [L1560] COND TRUE staticReturnsTrue() [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1567] data + 1 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: 1567]: 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 3 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 28 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 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 [2024-11-12 18:49:51,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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/CWE190_Integer_Overflow__int_fscanf_add_08_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 889c47cf91dc678945de229006aaf762bb0eec6cdf5835f548de77ba75efd829 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 18:49:54,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 18:49:54,101 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-12 18:49:54,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 18:49:54,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 18:49:54,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-12 18:49:54,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 18:49:54,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 18:49:54,147 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 18:49:54,149 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 18:49:54,151 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 18:49:54,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 18:49:54,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 18:49:54,152 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 18:49:54,152 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 18:49:54,153 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 18:49:54,153 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 18:49:54,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 18:49:54,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 18:49:54,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 18:49:54,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 18:49:54,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 18:49:54,155 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 18:49:54,156 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 18:49:54,156 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 18:49:54,156 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 18:49:54,156 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 18:49:54,157 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 18:49:54,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 18:49:54,157 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 18:49:54,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 18:49:54,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 18:49:54,158 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 18:49:54,158 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 18:49:54,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 18:49:54,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 18:49:54,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 18:49:54,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 18:49:54,159 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 18:49:54,159 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 18:49:54,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 18:49:54,161 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 18:49:54,161 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 18:49:54,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 18:49:54,161 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 889c47cf91dc678945de229006aaf762bb0eec6cdf5835f548de77ba75efd829 [2024-11-12 18:49:54,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 18:49:54,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 18:49:54,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 18:49:54,490 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 18:49:54,491 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 18:49:54,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_08_bad.i [2024-11-12 18:49:56,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 18:49:56,441 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 18:49:56,442 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_08_bad.i [2024-11-12 18:49:56,474 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d028ba7bf/8606543361b84d19b061aaf546e6d984/FLAG273a74731 [2024-11-12 18:49:56,491 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d028ba7bf/8606543361b84d19b061aaf546e6d984 [2024-11-12 18:49:56,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 18:49:56,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 18:49:56,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 18:49:56,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 18:49:56,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 18:49:56,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:49:56" (1/1) ... [2024-11-12 18:49:56,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8d618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:56, skipping insertion in model container [2024-11-12 18:49:56,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:49:56" (1/1) ... [2024-11-12 18:49:56,571 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 18:49:57,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 18:49:57,396 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 18:49:57,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 18:49:57,635 INFO L204 MainTranslator]: Completed translation [2024-11-12 18:49:57,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:57 WrapperNode [2024-11-12 18:49:57,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 18:49:57,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 18:49:57,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 18:49:57,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 18:49:57,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:57" (1/1) ... [2024-11-12 18:49:57,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:57" (1/1) ... [2024-11-12 18:49:57,709 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-12 18:49:57,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 18:49:57,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 18:49:57,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 18:49:57,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 18:49:57,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:57" (1/1) ... [2024-11-12 18:49:57,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:57" (1/1) ... [2024-11-12 18:49:57,723 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:57" (1/1) ... [2024-11-12 18:49:57,738 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 18:49:57,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:57" (1/1) ... [2024-11-12 18:49:57,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:57" (1/1) ... [2024-11-12 18:49:57,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:57" (1/1) ... [2024-11-12 18:49:57,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:57" (1/1) ... [2024-11-12 18:49:57,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:57" (1/1) ... [2024-11-12 18:49:57,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:57" (1/1) ... [2024-11-12 18:49:57,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 18:49:57,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 18:49:57,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 18:49:57,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 18:49:57,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:57" (1/1) ... [2024-11-12 18:49:57,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 18:49:57,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 18:49:57,796 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) [2024-11-12 18:49:57,802 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 [2024-11-12 18:49:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 18:49:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 18:49:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 18:49:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 18:49:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 18:49:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-12 18:49:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-12 18:49:57,990 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 18:49:57,992 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 18:49:58,107 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-12 18:49:58,108 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 18:49:58,120 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 18:49:58,122 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 18:49:58,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:49:58 BoogieIcfgContainer [2024-11-12 18:49:58,122 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 18:49:58,125 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 18:49:58,125 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 18:49:58,128 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 18:49:58,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:49:56" (1/3) ... [2024-11-12 18:49:58,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c26036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:49:58, skipping insertion in model container [2024-11-12 18:49:58,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:49:57" (2/3) ... [2024-11-12 18:49:58,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c26036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:49:58, skipping insertion in model container [2024-11-12 18:49:58,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:49:58" (3/3) ... [2024-11-12 18:49:58,133 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_08_bad.i [2024-11-12 18:49:58,150 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 18:49:58,151 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 18:49:58,237 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 18:49:58,244 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;@5ec8c41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 18:49:58,244 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 18:49:58,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 18:49:58,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-12 18:49:58,255 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 18:49:58,255 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 18:49:58,256 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 18:49:58,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 18:49:58,262 INFO L85 PathProgramCache]: Analyzing trace with hash -2101909711, now seen corresponding path program 1 times [2024-11-12 18:49:58,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 18:49:58,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [688730809] [2024-11-12 18:49:58,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 18:49:58,277 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 [2024-11-12 18:49:58,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 18:49:58,280 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) [2024-11-12 18:49:58,282 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 [2024-11-12 18:49:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 18:49:58,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-12 18:49:58,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 18:49:58,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-12 18:49:58,425 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 18:49:58,425 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 18:49:58,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [688730809] [2024-11-12 18:49:58,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [688730809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 18:49:58,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 18:49:58,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 18:49:58,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747779795] [2024-11-12 18:49:58,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 18:49:58,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 18:49:58,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 18:49:58,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 18:49:58,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 18:49:58,460 INFO L87 Difference]: Start difference. First operand has 26 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 18:49:58,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 18:49:58,475 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2024-11-12 18:49:58,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 18:49:58,478 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2024-11-12 18:49:58,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 18:49:58,484 INFO L225 Difference]: With dead ends: 26 [2024-11-12 18:49:58,484 INFO L226 Difference]: Without dead ends: 18 [2024-11-12 18:49:58,487 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 18:49:58,491 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 18:49:58,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 18:49:58,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-12 18:49:58,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-12 18:49:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 18:49:58,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-11-12 18:49:58,527 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 19 [2024-11-12 18:49:58,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 18:49:58,529 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-11-12 18:49:58,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 18:49:58,529 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-12 18:49:58,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-12 18:49:58,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 18:49:58,531 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 18:49:58,538 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 [2024-11-12 18:49:58,731 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 [2024-11-12 18:49:58,732 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 18:49:58,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 18:49:58,733 INFO L85 PathProgramCache]: Analyzing trace with hash -734691544, now seen corresponding path program 1 times [2024-11-12 18:49:58,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 18:49:58,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1279365483] [2024-11-12 18:49:58,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 18:49:58,734 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 [2024-11-12 18:49:58,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 18:49:58,737 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2024-11-12 18:49:58,739 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 (3)] Waiting until timeout for monitored process [2024-11-12 18:49:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 18:49:58,837 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 18:49:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 18:49:58,900 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-12 18:49:58,900 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 18:49:58,901 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-12 18:49:58,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-12 18:49:58,909 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 (3)] Forceful destruction successful, exit code 0 [2024-11-12 18:49:59,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2024-11-12 18:49:59,111 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-12 18:49:59,140 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 18:49:59,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:49:59 BoogieIcfgContainer [2024-11-12 18:49:59,143 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 18:49:59,143 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 18:49:59,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 18:49:59,144 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 18:49:59,144 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:49:58" (3/4) ... [2024-11-12 18:49:59,146 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 18:49:59,147 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 18:49:59,148 INFO L158 Benchmark]: Toolchain (without parser) took 2653.64ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 28.7MB in the beginning and 24.7MB in the end (delta: 4.0MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-11-12 18:49:59,149 INFO L158 Benchmark]: CDTParser took 1.03ms. Allocated memory is still 41.9MB. Free memory was 18.4MB in the beginning and 18.4MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 18:49:59,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1139.87ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 28.5MB in the beginning and 47.3MB in the end (delta: -18.8MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-12 18:49:59,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.97ms. Allocated memory is still 81.8MB. Free memory was 47.3MB in the beginning and 44.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 18:49:59,150 INFO L158 Benchmark]: Boogie Preprocessor took 47.68ms. Allocated memory is still 81.8MB. Free memory was 44.2MB in the beginning and 41.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 18:49:59,151 INFO L158 Benchmark]: RCFGBuilder took 363.86ms. Allocated memory is still 81.8MB. Free memory was 41.6MB in the beginning and 28.0MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 18:49:59,151 INFO L158 Benchmark]: TraceAbstraction took 1017.99ms. Allocated memory is still 81.8MB. Free memory was 27.4MB in the beginning and 25.2MB in the end (delta: 2.2MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2024-11-12 18:49:59,152 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 81.8MB. Free memory was 25.2MB in the beginning and 24.7MB in the end (delta: 516.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 18:49:59,154 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03ms. Allocated memory is still 41.9MB. Free memory was 18.4MB in the beginning and 18.4MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1139.87ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 28.5MB in the beginning and 47.3MB in the end (delta: -18.8MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.97ms. Allocated memory is still 81.8MB. Free memory was 47.3MB in the beginning and 44.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.68ms. Allocated memory is still 81.8MB. Free memory was 44.2MB in the beginning and 41.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.86ms. Allocated memory is still 81.8MB. Free memory was 41.6MB in the beginning and 28.0MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1017.99ms. Allocated memory is still 81.8MB. Free memory was 27.4MB in the beginning and 25.2MB in the end (delta: 2.2MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 81.8MB. Free memory was 25.2MB in the beginning and 24.7MB in the end (delta: 516.7kB). 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: 1567]: 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 1575. 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] [L1575] 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) [L1575] 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] [L1576] CALL CWE190_Integer_Overflow__int_fscanf_add_08_bad() [L1558] int data; [L1559] data = 0 VAL [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] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] RET staticReturnsTrue() VAL [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] [L1560] COND TRUE staticReturnsTrue() [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1567] data + 1 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: 1567]: 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 3 procedures, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 29 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 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 [2024-11-12 18:49:59,195 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