./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_16_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_16_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 590289637fb2d37e2763c88c5c7a07cf8acbeb4b4f809060f0fc1b8a75897f82 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:10:08,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:10:08,563 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 13:10:08,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:10:08,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:10:08,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:10:08,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:10:08,596 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:10:08,597 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:10:08,597 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:10:08,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:10:08,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:10:08,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:10:08,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:10:08,599 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:10:08,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:10:08,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:10:08,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:10:08,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:10:08,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:10:08,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:10:08,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:10:08,601 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:10:08,602 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:10:08,602 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:10:08,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:10:08,602 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:10:08,603 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:10:08,603 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:10:08,603 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:10:08,603 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:10:08,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:10:08,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:10:08,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:10:08,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:10:08,605 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:10:08,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:10:08,605 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:10:08,605 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:10:08,605 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:10:08,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:10:08,606 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 590289637fb2d37e2763c88c5c7a07cf8acbeb4b4f809060f0fc1b8a75897f82 [2024-11-19 13:10:08,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:10:08,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:10:08,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:10:08,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:10:08,842 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:10:08,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_16_bad.i [2024-11-19 13:10:10,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:10:10,479 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:10:10,480 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_16_bad.i [2024-11-19 13:10:10,504 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab3286f51/8916adbcc1a94bb1a426c19ed833e27a/FLAG6685d4f03 [2024-11-19 13:10:10,518 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab3286f51/8916adbcc1a94bb1a426c19ed833e27a [2024-11-19 13:10:10,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:10:10,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:10:10,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:10:10,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:10:10,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:10:10,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:10:10" (1/1) ... [2024-11-19 13:10:10,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55aba2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:10, skipping insertion in model container [2024-11-19 13:10:10,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:10:10" (1/1) ... [2024-11-19 13:10:10,626 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:10:11,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:10:11,196 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:10:11,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:10:11,377 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:10:11,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:11 WrapperNode [2024-11-19 13:10:11,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:10:11,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:10:11,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:10:11,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:10:11,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:11" (1/1) ... [2024-11-19 13:10:11,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:11" (1/1) ... [2024-11-19 13:10:11,417 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-19 13:10:11,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:10:11,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:10:11,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:10:11,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:10:11,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:11" (1/1) ... [2024-11-19 13:10:11,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:11" (1/1) ... [2024-11-19 13:10:11,432 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:11" (1/1) ... [2024-11-19 13:10:11,445 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:10:11,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:11" (1/1) ... [2024-11-19 13:10:11,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:11" (1/1) ... [2024-11-19 13:10:11,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:11" (1/1) ... [2024-11-19 13:10:11,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:11" (1/1) ... [2024-11-19 13:10:11,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:11" (1/1) ... [2024-11-19 13:10:11,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:11" (1/1) ... [2024-11-19 13:10:11,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:10:11,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:10:11,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:10:11,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:10:11,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:11" (1/1) ... [2024-11-19 13:10:11,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:10:11,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:10:11,501 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) [2024-11-19 13:10:11,506 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 [2024-11-19 13:10:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:10:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:10:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:10:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:10:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:10:11,652 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:10:11,653 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:10:11,747 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-19 13:10:11,747 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:10:11,760 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:10:11,760 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 13:10:11,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:10:11 BoogieIcfgContainer [2024-11-19 13:10:11,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:10:11,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:10:11,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:10:11,766 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:10:11,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:10:10" (1/3) ... [2024-11-19 13:10:11,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@765a504c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:10:11, skipping insertion in model container [2024-11-19 13:10:11,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:11" (2/3) ... [2024-11-19 13:10:11,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@765a504c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:10:11, skipping insertion in model container [2024-11-19 13:10:11,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:10:11" (3/3) ... [2024-11-19 13:10:11,769 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_16_bad.i [2024-11-19 13:10:11,783 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:10:11,783 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:10:11,838 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:10:11,845 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;@4f07ea32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:10:11,846 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:10:11,850 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 17 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 13:10:11,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 13:10:11,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:10:11,856 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:10:11,856 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:10:11,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:10:11,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1276685214, now seen corresponding path program 1 times [2024-11-19 13:10:11,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:10:11,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174681877] [2024-11-19 13:10:11,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:10:11,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:10:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:10:12,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:10:12,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:10:12,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174681877] [2024-11-19 13:10:12,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174681877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:10:12,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:10:12,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:10:12,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28518800] [2024-11-19 13:10:12,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:10:12,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 13:10:12,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:10:12,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 13:10:12,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 13:10:12,064 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 17 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 13:10:12,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:10:12,113 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2024-11-19 13:10:12,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 13:10:12,115 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-19 13:10:12,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:10:12,119 INFO L225 Difference]: With dead ends: 37 [2024-11-19 13:10:12,120 INFO L226 Difference]: Without dead ends: 14 [2024-11-19 13:10:12,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 13:10:12,125 INFO L432 NwaCegarLoop]: 22 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, 22 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 [2024-11-19 13:10:12,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:10:12,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-19 13:10:12,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-19 13:10:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 13:10:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-11-19 13:10:12,195 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2024-11-19 13:10:12,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:10:12,195 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-11-19 13:10:12,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 13:10:12,196 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-11-19 13:10:12,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 13:10:12,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:10:12,197 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:10:12,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:10:12,201 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:10:12,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:10:12,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1276683292, now seen corresponding path program 1 times [2024-11-19 13:10:12,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:10:12,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340047705] [2024-11-19 13:10:12,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:10:12,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:10:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:10:12,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:10:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:10:12,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 13:10:12,338 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:10:12,340 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:10:12,342 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:10:12,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 13:10:12,349 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-19 13:10:12,367 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:10:12,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:10:12 BoogieIcfgContainer [2024-11-19 13:10:12,370 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:10:12,371 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:10:12,371 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:10:12,371 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:10:12,371 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:10:11" (3/4) ... [2024-11-19 13:10:12,373 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:10:12,374 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:10:12,375 INFO L158 Benchmark]: Toolchain (without parser) took 1853.15ms. Allocated memory was 172.0MB in the beginning and 304.1MB in the end (delta: 132.1MB). Free memory was 97.1MB in the beginning and 260.4MB in the end (delta: -163.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:10:12,375 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:10:12,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 853.70ms. Allocated memory was 172.0MB in the beginning and 304.1MB in the end (delta: 132.1MB). Free memory was 96.9MB in the beginning and 214.2MB in the end (delta: -117.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-11-19 13:10:12,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.14ms. Allocated memory is still 304.1MB. Free memory was 214.2MB in the beginning and 211.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:10:12,377 INFO L158 Benchmark]: Boogie Preprocessor took 42.31ms. Allocated memory is still 304.1MB. Free memory was 211.0MB in the beginning and 208.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:10:12,378 INFO L158 Benchmark]: RCFGBuilder took 300.95ms. Allocated memory is still 304.1MB. Free memory was 208.9MB in the beginning and 196.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 13:10:12,380 INFO L158 Benchmark]: TraceAbstraction took 606.82ms. Allocated memory is still 304.1MB. Free memory was 195.3MB in the beginning and 260.4MB in the end (delta: -65.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:10:12,380 INFO L158 Benchmark]: Witness Printer took 3.55ms. Allocated memory is still 304.1MB. Free memory is still 260.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:10:12,382 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 853.70ms. Allocated memory was 172.0MB in the beginning and 304.1MB in the end (delta: 132.1MB). Free memory was 96.9MB in the beginning and 214.2MB in the end (delta: -117.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.14ms. Allocated memory is still 304.1MB. Free memory was 214.2MB in the beginning and 211.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.31ms. Allocated memory is still 304.1MB. Free memory was 211.0MB in the beginning and 208.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 300.95ms. Allocated memory is still 304.1MB. Free memory was 208.9MB in the beginning and 196.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 606.82ms. Allocated memory is still 304.1MB. Free memory was 195.3MB in the beginning and 260.4MB in the end (delta: -65.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.55ms. Allocated memory is still 304.1MB. Free memory is still 260.4MB. 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: 1560]: 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 1569. 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] [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_sub_16_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] COND TRUE 1 [L1557] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, 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, 22 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, 22 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 13:10:12,406 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/CWE191_Integer_Underflow__int_fscanf_sub_16_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 590289637fb2d37e2763c88c5c7a07cf8acbeb4b4f809060f0fc1b8a75897f82 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:10:14,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:10:14,692 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-19 13:10:14,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:10:14,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:10:14,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-19 13:10:14,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:10:14,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:10:14,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:10:14,747 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:10:14,748 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:10:14,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:10:14,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:10:14,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:10:14,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:10:14,749 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:10:14,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:10:14,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:10:14,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:10:14,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:10:14,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:10:14,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:10:14,759 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 13:10:14,759 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 13:10:14,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:10:14,759 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:10:14,759 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 13:10:14,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:10:14,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:10:14,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:10:14,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:10:14,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:10:14,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:10:14,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:10:14,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:10:14,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:10:14,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:10:14,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:10:14,761 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 13:10:14,761 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 13:10:14,761 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:10:14,767 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:10:14,767 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:10:14,767 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:10:14,767 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 590289637fb2d37e2763c88c5c7a07cf8acbeb4b4f809060f0fc1b8a75897f82 [2024-11-19 13:10:15,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:10:15,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:10:15,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:10:15,255 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:10:15,255 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:10:15,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_16_bad.i [2024-11-19 13:10:16,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:10:17,141 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:10:17,142 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_16_bad.i [2024-11-19 13:10:17,165 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90af6c193/d95a3bf346dd4e30a7175eb669f32cce/FLAGdc62b83d5 [2024-11-19 13:10:17,177 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90af6c193/d95a3bf346dd4e30a7175eb669f32cce [2024-11-19 13:10:17,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:10:17,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:10:17,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:10:17,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:10:17,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:10:17,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:10:17" (1/1) ... [2024-11-19 13:10:17,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dae5554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:17, skipping insertion in model container [2024-11-19 13:10:17,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:10:17" (1/1) ... [2024-11-19 13:10:17,249 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:10:17,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:10:17,844 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:10:17,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:10:18,048 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:10:18,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:18 WrapperNode [2024-11-19 13:10:18,048 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:10:18,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:10:18,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:10:18,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:10:18,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:18" (1/1) ... [2024-11-19 13:10:18,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:18" (1/1) ... [2024-11-19 13:10:18,101 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2024-11-19 13:10:18,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:10:18,103 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:10:18,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:10:18,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:10:18,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:18" (1/1) ... [2024-11-19 13:10:18,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:18" (1/1) ... [2024-11-19 13:10:18,115 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:18" (1/1) ... [2024-11-19 13:10:18,130 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:10:18,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:18" (1/1) ... [2024-11-19 13:10:18,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:18" (1/1) ... [2024-11-19 13:10:18,135 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:18" (1/1) ... [2024-11-19 13:10:18,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:18" (1/1) ... [2024-11-19 13:10:18,139 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:18" (1/1) ... [2024-11-19 13:10:18,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:18" (1/1) ... [2024-11-19 13:10:18,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:10:18,148 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:10:18,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:10:18,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:10:18,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:18" (1/1) ... [2024-11-19 13:10:18,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:10:18,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:10:18,182 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) [2024-11-19 13:10:18,188 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 [2024-11-19 13:10:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:10:18,223 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:10:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:10:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:10:18,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:10:18,369 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:10:18,371 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:10:18,459 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-19 13:10:18,459 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:10:18,468 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:10:18,468 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 13:10:18,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:10:18 BoogieIcfgContainer [2024-11-19 13:10:18,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:10:18,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:10:18,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:10:18,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:10:18,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:10:17" (1/3) ... [2024-11-19 13:10:18,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@240ca2ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:10:18, skipping insertion in model container [2024-11-19 13:10:18,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:10:18" (2/3) ... [2024-11-19 13:10:18,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@240ca2ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:10:18, skipping insertion in model container [2024-11-19 13:10:18,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:10:18" (3/3) ... [2024-11-19 13:10:18,476 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_16_bad.i [2024-11-19 13:10:18,488 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:10:18,488 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:10:18,536 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:10:18,542 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;@7513e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:10:18,542 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:10:18,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 17 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 13:10:18,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 13:10:18,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:10:18,551 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:10:18,552 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:10:18,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:10:18,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1276685214, now seen corresponding path program 1 times [2024-11-19 13:10:18,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 13:10:18,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554117144] [2024-11-19 13:10:18,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:10:18,568 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 [2024-11-19 13:10:18,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 13:10:18,572 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) [2024-11-19 13:10:18,574 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 [2024-11-19 13:10:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:10:18,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 13:10:18,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:10:18,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:10:18,680 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:10:18,681 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 13:10:18,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1554117144] [2024-11-19 13:10:18,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1554117144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:10:18,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:10:18,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:10:18,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240495382] [2024-11-19 13:10:18,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:10:18,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 13:10:18,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 13:10:18,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 13:10:18,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 13:10:18,712 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 17 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 13:10:18,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:10:18,727 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2024-11-19 13:10:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 13:10:18,729 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-19 13:10:18,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:10:18,734 INFO L225 Difference]: With dead ends: 36 [2024-11-19 13:10:18,734 INFO L226 Difference]: Without dead ends: 12 [2024-11-19 13:10:18,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 13:10:18,739 INFO L432 NwaCegarLoop]: 21 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, 21 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 [2024-11-19 13:10:18,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:10:18,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-19 13:10:18,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-19 13:10:18,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 13:10:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-19 13:10:18,765 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 11 [2024-11-19 13:10:18,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:10:18,766 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-19 13:10:18,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 13:10:18,766 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-19 13:10:18,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 13:10:18,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:10:18,767 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:10:18,776 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 [2024-11-19 13:10:18,971 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 [2024-11-19 13:10:18,972 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:10:18,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:10:18,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1276683292, now seen corresponding path program 1 times [2024-11-19 13:10:18,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 13:10:18,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [142582106] [2024-11-19 13:10:18,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:10:18,974 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 [2024-11-19 13:10:18,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 13:10:18,975 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) [2024-11-19 13:10:18,980 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 [2024-11-19 13:10:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:10:19,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:10:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:10:19,088 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-19 13:10:19,091 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:10:19,092 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:10:19,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:10:19,102 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 [2024-11-19 13:10:19,294 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 [2024-11-19 13:10:19,297 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-19 13:10:19,312 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:10:19,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:10:19 BoogieIcfgContainer [2024-11-19 13:10:19,315 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:10:19,315 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:10:19,315 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:10:19,315 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:10:19,316 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:10:18" (3/4) ... [2024-11-19 13:10:19,318 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:10:19,319 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:10:19,319 INFO L158 Benchmark]: Toolchain (without parser) took 2139.07ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 54.5MB in the beginning and 62.1MB in the end (delta: -7.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-11-19 13:10:19,320 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 77.6MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:10:19,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 866.51ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 54.3MB in the beginning and 52.1MB in the end (delta: 2.2MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2024-11-19 13:10:19,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.05ms. Allocated memory is still 96.5MB. Free memory was 52.1MB in the beginning and 49.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:10:19,321 INFO L158 Benchmark]: Boogie Preprocessor took 40.97ms. Allocated memory is still 96.5MB. Free memory was 49.1MB in the beginning and 46.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:10:19,321 INFO L158 Benchmark]: RCFGBuilder took 320.77ms. Allocated memory is still 96.5MB. Free memory was 46.4MB in the beginning and 61.1MB in the end (delta: -14.7MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-19 13:10:19,321 INFO L158 Benchmark]: TraceAbstraction took 844.34ms. Allocated memory is still 96.5MB. Free memory was 60.5MB in the beginning and 62.7MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:10:19,322 INFO L158 Benchmark]: Witness Printer took 3.64ms. Allocated memory is still 96.5MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:10:19,323 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 77.6MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 866.51ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 54.3MB in the beginning and 52.1MB in the end (delta: 2.2MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.05ms. Allocated memory is still 96.5MB. Free memory was 52.1MB in the beginning and 49.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.97ms. Allocated memory is still 96.5MB. Free memory was 49.1MB in the beginning and 46.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.77ms. Allocated memory is still 96.5MB. Free memory was 46.4MB in the beginning and 61.1MB in the end (delta: -14.7MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * TraceAbstraction took 844.34ms. Allocated memory is still 96.5MB. Free memory was 60.5MB in the beginning and 62.7MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.64ms. Allocated memory is still 96.5MB. Free memory is still 62.1MB. 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: 1560]: 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 1569. 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] [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_sub_16_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] COND TRUE 1 [L1557] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, 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, 21 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, 21 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 37 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 13:10:19,346 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