./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_11_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 005970fb5e7667fcb8b084b766c31360a8da6b61f47d3d109d7454fcdf369448 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 21:44:49,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 21:44:49,490 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-24 21:44:49,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 21:44:49,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 21:44:49,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 21:44:49,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 21:44:49,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 21:44:49,518 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 21:44:49,518 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 21:44:49,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 21:44:49,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 21:44:49,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 21:44:49,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 21:44:49,520 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 21:44:49,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 21:44:49,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 21:44:49,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 21:44:49,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 21:44:49,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 21:44:49,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 21:44:49,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 21:44:49,525 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 21:44:49,525 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 21:44:49,525 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 21:44:49,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 21:44:49,526 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 21:44:49,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 21:44:49,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 21:44:49,526 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 21:44:49,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 21:44:49,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 21:44:49,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 21:44:49,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 21:44:49,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 21:44:49,527 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 21:44:49,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 21:44:49,528 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 21:44:49,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 21:44:49,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 21:44:49,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 21:44:49,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 005970fb5e7667fcb8b084b766c31360a8da6b61f47d3d109d7454fcdf369448 [2024-10-24 21:44:49,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 21:44:49,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 21:44:49,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 21:44:49,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 21:44:49,760 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 21:44:49,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_11_bad.i [2024-10-24 21:44:51,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 21:44:51,343 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 21:44:51,343 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_11_bad.i [2024-10-24 21:44:51,365 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fedabd806/21a87cfec29341f1b5681704c7891754/FLAGef4f9d531 [2024-10-24 21:44:51,384 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fedabd806/21a87cfec29341f1b5681704c7891754 [2024-10-24 21:44:51,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 21:44:51,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 21:44:51,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 21:44:51,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 21:44:51,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 21:44:51,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:44:51" (1/1) ... [2024-10-24 21:44:51,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a51284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:51, skipping insertion in model container [2024-10-24 21:44:51,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:44:51" (1/1) ... [2024-10-24 21:44:51,441 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 21:44:52,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 21:44:52,060 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 21:44:52,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 21:44:52,226 INFO L204 MainTranslator]: Completed translation [2024-10-24 21:44:52,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:52 WrapperNode [2024-10-24 21:44:52,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 21:44:52,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 21:44:52,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 21:44:52,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 21:44:52,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:52" (1/1) ... [2024-10-24 21:44:52,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:52" (1/1) ... [2024-10-24 21:44:52,283 INFO L138 Inliner]: procedures = 497, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-10-24 21:44:52,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 21:44:52,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 21:44:52,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 21:44:52,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 21:44:52,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:52" (1/1) ... [2024-10-24 21:44:52,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:52" (1/1) ... [2024-10-24 21:44:52,295 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:52" (1/1) ... [2024-10-24 21:44:52,305 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 21:44:52,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:52" (1/1) ... [2024-10-24 21:44:52,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:52" (1/1) ... [2024-10-24 21:44:52,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:52" (1/1) ... [2024-10-24 21:44:52,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:52" (1/1) ... [2024-10-24 21:44:52,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:52" (1/1) ... [2024-10-24 21:44:52,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:52" (1/1) ... [2024-10-24 21:44:52,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 21:44:52,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 21:44:52,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 21:44:52,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 21:44:52,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:52" (1/1) ... [2024-10-24 21:44:52,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 21:44:52,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 21:44:52,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 21:44:52,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 21:44:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 21:44:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 21:44:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-10-24 21:44:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-10-24 21:44:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 21:44:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 21:44:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 21:44:52,499 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 21:44:52,501 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 21:44:52,574 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-24 21:44:52,574 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 21:44:52,612 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 21:44:52,612 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 21:44:52,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:44:52 BoogieIcfgContainer [2024-10-24 21:44:52,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 21:44:52,618 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 21:44:52,618 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 21:44:52,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 21:44:52,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:44:51" (1/3) ... [2024-10-24 21:44:52,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369a23b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:44:52, skipping insertion in model container [2024-10-24 21:44:52,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:52" (2/3) ... [2024-10-24 21:44:52,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369a23b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:44:52, skipping insertion in model container [2024-10-24 21:44:52,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:44:52" (3/3) ... [2024-10-24 21:44:52,625 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_11_bad.i [2024-10-24 21:44:52,640 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 21:44:52,640 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 21:44:52,689 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 21:44:52,694 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;@32502c28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 21:44:52,695 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 21:44:52,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 16 states have internal predecessors, (19), 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) [2024-10-24 21:44:52,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-24 21:44:52,707 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 21:44:52,708 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 21:44:52,709 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 21:44:52,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 21:44:52,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1367194710, now seen corresponding path program 1 times [2024-10-24 21:44:52,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 21:44:52,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882522427] [2024-10-24 21:44:52,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 21:44:52,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 21:44:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:44:52,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 21:44:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:44:52,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 21:44:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:44:53,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 21:44:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:44:53,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 21:44:53,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 21:44:53,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882522427] [2024-10-24 21:44:53,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882522427] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 21:44:53,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 21:44:53,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 21:44:53,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911036016] [2024-10-24 21:44:53,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 21:44:53,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 21:44:53,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 21:44:53,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 21:44:53,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 21:44:53,049 INFO L87 Difference]: Start difference. First operand has 23 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 16 states have internal predecessors, (19), 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 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-24 21:44:53,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 21:44:53,100 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2024-10-24 21:44:53,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 21:44:53,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 18 [2024-10-24 21:44:53,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 21:44:53,109 INFO L225 Difference]: With dead ends: 24 [2024-10-24 21:44:53,110 INFO L226 Difference]: Without dead ends: 18 [2024-10-24 21:44:53,115 INFO L431 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 [2024-10-24 21:44:53,119 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 4 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 21:44:53,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 30 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 21:44:53,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-10-24 21:44:53,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-10-24 21:44:53,146 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) [2024-10-24 21:44:53,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-10-24 21:44:53,148 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 18 [2024-10-24 21:44:53,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 21:44:53,149 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-10-24 21:44:53,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-24 21:44:53,150 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-10-24 21:44:53,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-24 21:44:53,150 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 21:44:53,151 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 21:44:53,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 21:44:53,151 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 21:44:53,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 21:44:53,152 INFO L85 PathProgramCache]: Analyzing trace with hash 566637009, now seen corresponding path program 1 times [2024-10-24 21:44:53,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 21:44:53,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845116693] [2024-10-24 21:44:53,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 21:44:53,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 21:44:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 21:44:53,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 21:44:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 21:44:53,222 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 21:44:53,222 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 21:44:53,224 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-24 21:44:53,225 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-24 21:44:53,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 21:44:53,227 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 21:44:53,251 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 21:44:53,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:44:53 BoogieIcfgContainer [2024-10-24 21:44:53,256 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 21:44:53,256 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 21:44:53,256 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 21:44:53,256 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 21:44:53,257 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:44:52" (3/4) ... [2024-10-24 21:44:53,259 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 21:44:53,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 21:44:53,261 INFO L158 Benchmark]: Toolchain (without parser) took 1873.01ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 89.3MB in the beginning and 98.6MB in the end (delta: -9.3MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2024-10-24 21:44:53,261 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:44:53,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.82ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 89.3MB in the beginning and 155.2MB in the end (delta: -65.9MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2024-10-24 21:44:53,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.67ms. Allocated memory is still 199.2MB. Free memory was 155.2MB in the beginning and 152.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 21:44:53,264 INFO L158 Benchmark]: Boogie Preprocessor took 33.64ms. Allocated memory is still 199.2MB. Free memory was 152.0MB in the beginning and 149.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 21:44:53,264 INFO L158 Benchmark]: RCFGBuilder took 298.12ms. Allocated memory is still 199.2MB. Free memory was 149.8MB in the beginning and 135.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 21:44:53,264 INFO L158 Benchmark]: TraceAbstraction took 637.47ms. Allocated memory is still 199.2MB. Free memory was 135.3MB in the beginning and 99.6MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-10-24 21:44:53,264 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 199.2MB. Free memory was 99.6MB in the beginning and 98.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:44:53,266 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 837.82ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 89.3MB in the beginning and 155.2MB in the end (delta: -65.9MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.67ms. Allocated memory is still 199.2MB. Free memory was 155.2MB in the beginning and 152.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.64ms. Allocated memory is still 199.2MB. Free memory was 152.0MB in the beginning and 149.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 298.12ms. Allocated memory is still 199.2MB. Free memory was 149.8MB in the beginning and 135.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 637.47ms. Allocated memory is still 199.2MB. Free memory was 135.3MB in the beginning and 99.6MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 199.2MB. Free memory was 99.6MB in the beginning and 98.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE190_Integer_Overflow__int_fscanf_preinc_11_bad() [L1550] int data; [L1551] 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] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() 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] [L1552] COND TRUE globalReturnsTrue() [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() 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] [L1556] COND TRUE globalReturnsTrue() [L1559] ++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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 20 mSDtfsCounter, 12 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=23occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-24 21:44:53,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_11_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 005970fb5e7667fcb8b084b766c31360a8da6b61f47d3d109d7454fcdf369448 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 21:44:55,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 21:44:55,246 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-24 21:44:55,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 21:44:55,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 21:44:55,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-24 21:44:55,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 21:44:55,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 21:44:55,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 21:44:55,275 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 21:44:55,275 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 21:44:55,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 21:44:55,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 21:44:55,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 21:44:55,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 21:44:55,276 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 21:44:55,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 21:44:55,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 21:44:55,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 21:44:55,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 21:44:55,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 21:44:55,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 21:44:55,281 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 21:44:55,281 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 21:44:55,282 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 21:44:55,282 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 21:44:55,282 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 21:44:55,283 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 21:44:55,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 21:44:55,283 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 21:44:55,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 21:44:55,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 21:44:55,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 21:44:55,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 21:44:55,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 21:44:55,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 21:44:55,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 21:44:55,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 21:44:55,286 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 21:44:55,286 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 21:44:55,286 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 21:44:55,287 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 21:44:55,287 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 21:44:55,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 21:44:55,287 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 21:44:55,287 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 005970fb5e7667fcb8b084b766c31360a8da6b61f47d3d109d7454fcdf369448 [2024-10-24 21:44:55,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 21:44:55,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 21:44:55,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 21:44:55,584 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 21:44:55,584 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 21:44:55,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_11_bad.i [2024-10-24 21:44:56,978 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 21:44:57,254 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 21:44:57,255 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_11_bad.i [2024-10-24 21:44:57,278 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60c8df448/a0c1296a5cb748c79db956e23dc08103/FLAGf89acb098 [2024-10-24 21:44:57,552 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60c8df448/a0c1296a5cb748c79db956e23dc08103 [2024-10-24 21:44:57,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 21:44:57,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 21:44:57,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 21:44:57,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 21:44:57,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 21:44:57,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:44:57" (1/1) ... [2024-10-24 21:44:57,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@175f965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:57, skipping insertion in model container [2024-10-24 21:44:57,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:44:57" (1/1) ... [2024-10-24 21:44:57,619 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 21:44:58,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 21:44:58,325 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 21:44:58,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 21:44:58,546 INFO L204 MainTranslator]: Completed translation [2024-10-24 21:44:58,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:58 WrapperNode [2024-10-24 21:44:58,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 21:44:58,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 21:44:58,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 21:44:58,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 21:44:58,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:58" (1/1) ... [2024-10-24 21:44:58,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:58" (1/1) ... [2024-10-24 21:44:58,594 INFO L138 Inliner]: procedures = 502, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-10-24 21:44:58,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 21:44:58,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 21:44:58,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 21:44:58,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 21:44:58,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:58" (1/1) ... [2024-10-24 21:44:58,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:58" (1/1) ... [2024-10-24 21:44:58,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:58" (1/1) ... [2024-10-24 21:44:58,619 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 21:44:58,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:58" (1/1) ... [2024-10-24 21:44:58,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:58" (1/1) ... [2024-10-24 21:44:58,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:58" (1/1) ... [2024-10-24 21:44:58,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:58" (1/1) ... [2024-10-24 21:44:58,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:58" (1/1) ... [2024-10-24 21:44:58,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:58" (1/1) ... [2024-10-24 21:44:58,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 21:44:58,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 21:44:58,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 21:44:58,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 21:44:58,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:58" (1/1) ... [2024-10-24 21:44:58,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 21:44:58,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 21:44:58,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 21:44:58,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 21:44:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 21:44:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 21:44:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-10-24 21:44:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-10-24 21:44:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 21:44:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 21:44:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 21:44:58,833 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 21:44:58,835 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 21:44:58,928 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-24 21:44:58,928 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 21:44:58,965 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 21:44:58,966 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 21:44:58,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:44:58 BoogieIcfgContainer [2024-10-24 21:44:58,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 21:44:58,968 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 21:44:58,968 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 21:44:58,970 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 21:44:58,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:44:57" (1/3) ... [2024-10-24 21:44:58,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6449eafa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:44:58, skipping insertion in model container [2024-10-24 21:44:58,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:44:58" (2/3) ... [2024-10-24 21:44:58,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6449eafa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:44:58, skipping insertion in model container [2024-10-24 21:44:58,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:44:58" (3/3) ... [2024-10-24 21:44:58,972 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_11_bad.i [2024-10-24 21:44:58,986 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 21:44:58,986 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 21:44:59,032 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 21:44:59,038 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;@d75de81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 21:44:59,039 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 21:44:59,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 14 states have internal predecessors, (17), 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) [2024-10-24 21:44:59,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-24 21:44:59,050 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 21:44:59,051 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 21:44:59,051 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 21:44:59,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 21:44:59,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1144390539, now seen corresponding path program 1 times [2024-10-24 21:44:59,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 21:44:59,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318993430] [2024-10-24 21:44:59,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 21:44:59,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 21:44:59,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 21:44:59,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 21:44:59,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-24 21:44:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:44:59,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 21:44:59,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 21:44:59,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 21:44:59,172 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 21:44:59,172 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 21:44:59,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318993430] [2024-10-24 21:44:59,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [318993430] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 21:44:59,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 21:44:59,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 21:44:59,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413631834] [2024-10-24 21:44:59,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 21:44:59,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 21:44:59,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 21:44:59,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 21:44:59,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 21:44:59,202 INFO L87 Difference]: Start difference. First operand has 21 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 14 states have internal predecessors, (17), 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 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-10-24 21:44:59,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 21:44:59,227 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2024-10-24 21:44:59,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 21:44:59,229 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 16 [2024-10-24 21:44:59,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 21:44:59,234 INFO L225 Difference]: With dead ends: 21 [2024-10-24 21:44:59,234 INFO L226 Difference]: Without dead ends: 16 [2024-10-24 21:44:59,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 21:44:59,241 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 21:44:59,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 21:44:59,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-10-24 21:44:59,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-10-24 21:44:59,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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) [2024-10-24 21:44:59,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-10-24 21:44:59,269 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 16 [2024-10-24 21:44:59,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 21:44:59,272 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-10-24 21:44:59,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-10-24 21:44:59,273 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-10-24 21:44:59,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-24 21:44:59,275 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 21:44:59,275 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 21:44:59,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-24 21:44:59,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 21:44:59,478 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 21:44:59,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 21:44:59,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1116368398, now seen corresponding path program 1 times [2024-10-24 21:44:59,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 21:44:59,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136163227] [2024-10-24 21:44:59,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 21:44:59,480 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 21:44:59,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 21:44:59,483 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) [2024-10-24 21:44:59,483 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 [2024-10-24 21:44:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 21:44:59,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 21:44:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 21:44:59,616 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-24 21:44:59,616 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 21:44:59,618 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-24 21:44:59,619 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-24 21:44:59,625 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 (3)] Ended with exit code 0 [2024-10-24 21:44:59,820 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 [2024-10-24 21:44:59,823 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 21:44:59,841 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 21:44:59,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:44:59 BoogieIcfgContainer [2024-10-24 21:44:59,844 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 21:44:59,845 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 21:44:59,845 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 21:44:59,845 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 21:44:59,845 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:44:58" (3/4) ... [2024-10-24 21:44:59,847 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 21:44:59,848 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 21:44:59,849 INFO L158 Benchmark]: Toolchain (without parser) took 2293.58ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 43.8MB in the beginning and 52.7MB in the end (delta: -9.0MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-10-24 21:44:59,849 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 50.3MB. Free memory was 27.0MB in the beginning and 26.9MB in the end (delta: 71.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:44:59,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 991.01ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 43.5MB in the beginning and 47.9MB in the end (delta: -4.4MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2024-10-24 21:44:59,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.65ms. Allocated memory is still 88.1MB. Free memory was 47.9MB in the beginning and 44.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 21:44:59,850 INFO L158 Benchmark]: Boogie Preprocessor took 36.23ms. Allocated memory is still 88.1MB. Free memory was 44.7MB in the beginning and 42.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 21:44:59,850 INFO L158 Benchmark]: RCFGBuilder took 334.71ms. Allocated memory is still 88.1MB. Free memory was 42.2MB in the beginning and 51.0MB in the end (delta: -8.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-10-24 21:44:59,851 INFO L158 Benchmark]: TraceAbstraction took 876.42ms. Allocated memory is still 88.1MB. Free memory was 50.4MB in the beginning and 52.7MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:44:59,851 INFO L158 Benchmark]: Witness Printer took 3.72ms. Allocated memory is still 88.1MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:44:59,855 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 50.3MB. Free memory was 27.0MB in the beginning and 26.9MB in the end (delta: 71.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 991.01ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 43.5MB in the beginning and 47.9MB in the end (delta: -4.4MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.65ms. Allocated memory is still 88.1MB. Free memory was 47.9MB in the beginning and 44.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.23ms. Allocated memory is still 88.1MB. Free memory was 44.7MB in the beginning and 42.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 334.71ms. Allocated memory is still 88.1MB. Free memory was 42.2MB in the beginning and 51.0MB in the end (delta: -8.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * TraceAbstraction took 876.42ms. Allocated memory is still 88.1MB. Free memory was 50.4MB in the beginning and 52.7MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.72ms. Allocated memory is still 88.1MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE190_Integer_Overflow__int_fscanf_preinc_11_bad() [L1550] int data; [L1551] 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] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() 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] [L1552] COND TRUE globalReturnsTrue() [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() 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] [L1556] COND TRUE globalReturnsTrue() [L1559] ++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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 46 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-24 21:44:59,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample