./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_09_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f 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_multiply_09_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 4bddcdd44fe21a0f70a7196d8d169ad13c8473c91e0bbb384fd473a733e5e298 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:33:04,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:33:05,084 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-10 21:33:05,092 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:33:05,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:33:05,122 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:33:05,124 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:33:05,124 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:33:05,125 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:33:05,126 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:33:05,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:33:05,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:33:05,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:33:05,127 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:33:05,127 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:33:05,128 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:33:05,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:33:05,129 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 21:33:05,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:33:05,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:33:05,130 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:33:05,130 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:33:05,130 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:33:05,131 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:33:05,131 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:33:05,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:33:05,132 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:33:05,132 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:33:05,132 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:33:05,133 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:33:05,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:33:05,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:33:05,133 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:33:05,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:33:05,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:33:05,134 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 21:33:05,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 21:33:05,135 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:33:05,135 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:33:05,135 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:33:05,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:33:05,136 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bddcdd44fe21a0f70a7196d8d169ad13c8473c91e0bbb384fd473a733e5e298 [2024-11-10 21:33:05,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:33:05,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:33:05,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:33:05,439 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:33:05,439 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:33:05,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_09_bad.i [2024-11-10 21:33:06,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:33:07,232 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:33:07,232 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_09_bad.i [2024-11-10 21:33:07,266 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aa1eb19a/87f4bef3b0704d849763f22e18ee4bc9/FLAG518b2b731 [2024-11-10 21:33:07,461 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aa1eb19a/87f4bef3b0704d849763f22e18ee4bc9 [2024-11-10 21:33:07,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:33:07,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:33:07,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:33:07,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:33:07,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:33:07,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:33:07" (1/1) ... [2024-11-10 21:33:07,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1216cc13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:07, skipping insertion in model container [2024-11-10 21:33:07,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:33:07" (1/1) ... [2024-11-10 21:33:07,530 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:33:08,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:33:08,326 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:33:08,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:33:08,499 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:33:08,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:08 WrapperNode [2024-11-10 21:33:08,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:33:08,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:33:08,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:33:08,502 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:33:08,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:08" (1/1) ... [2024-11-10 21:33:08,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:08" (1/1) ... [2024-11-10 21:33:08,578 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-10 21:33:08,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:33:08,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:33:08,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:33:08,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:33:08,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:08" (1/1) ... [2024-11-10 21:33:08,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:08" (1/1) ... [2024-11-10 21:33:08,598 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:08" (1/1) ... [2024-11-10 21:33:08,639 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 21:33:08,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:08" (1/1) ... [2024-11-10 21:33:08,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:08" (1/1) ... [2024-11-10 21:33:08,647 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:08" (1/1) ... [2024-11-10 21:33:08,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:08" (1/1) ... [2024-11-10 21:33:08,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:08" (1/1) ... [2024-11-10 21:33:08,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:08" (1/1) ... [2024-11-10 21:33:08,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:33:08,663 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:33:08,663 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:33:08,664 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:33:08,664 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:08" (1/1) ... [2024-11-10 21:33:08,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:33:08,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:33:08,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 21:33:08,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 21:33:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-10 21:33:08,805 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-10 21:33:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:33:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:33:08,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:33:08,941 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:33:08,943 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 21:33:09,039 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-10 21:33:09,039 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 21:33:09,055 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 21:33:09,055 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 21:33:09,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:33:09 BoogieIcfgContainer [2024-11-10 21:33:09,057 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 21:33:09,060 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 21:33:09,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 21:33:09,064 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 21:33:09,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:33:07" (1/3) ... [2024-11-10 21:33:09,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d877f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:33:09, skipping insertion in model container [2024-11-10 21:33:09,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:08" (2/3) ... [2024-11-10 21:33:09,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d877f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:33:09, skipping insertion in model container [2024-11-10 21:33:09,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:33:09" (3/3) ... [2024-11-10 21:33:09,067 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_09_bad.i [2024-11-10 21:33:09,080 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 21:33:09,080 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 21:33:09,148 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 21:33:09,157 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;@703e92c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 21:33:09,157 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 21:33:09,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 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) [2024-11-10 21:33:09,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-10 21:33:09,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:33:09,170 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:33:09,171 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 21:33:09,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:33:09,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1180179906, now seen corresponding path program 1 times [2024-11-10 21:33:09,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:33:09,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831942110] [2024-11-10 21:33:09,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:33:09,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:33:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:33:09,342 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 21:33:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:33:09,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 21:33:09,403 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 21:33:09,405 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-10 21:33:09,407 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-10 21:33:09,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 21:33:09,412 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-10 21:33:09,438 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 21:33:09,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 09:33:09 BoogieIcfgContainer [2024-11-10 21:33:09,442 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 21:33:09,443 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 21:33:09,443 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 21:33:09,444 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 21:33:09,444 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:33:09" (3/4) ... [2024-11-10 21:33:09,447 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 21:33:09,448 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 21:33:09,449 INFO L158 Benchmark]: Toolchain (without parser) took 1983.79ms. Allocated memory is still 167.8MB. Free memory was 137.8MB in the beginning and 105.1MB in the end (delta: 32.7MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-11-10 21:33:09,449 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory is still 130.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:33:09,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1034.49ms. Allocated memory is still 167.8MB. Free memory was 137.8MB in the beginning and 73.1MB in the end (delta: 64.8MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-10 21:33:09,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.28ms. Allocated memory is still 167.8MB. Free memory was 73.1MB in the beginning and 70.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 21:33:09,452 INFO L158 Benchmark]: Boogie Preprocessor took 83.78ms. Allocated memory is still 167.8MB. Free memory was 70.2MB in the beginning and 135.6MB in the end (delta: -65.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-11-10 21:33:09,454 INFO L158 Benchmark]: IcfgBuilder took 394.78ms. Allocated memory is still 167.8MB. Free memory was 135.6MB in the beginning and 121.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 21:33:09,456 INFO L158 Benchmark]: TraceAbstraction took 381.94ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 105.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 21:33:09,456 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:33:09,458 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory is still 130.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1034.49ms. Allocated memory is still 167.8MB. Free memory was 137.8MB in the beginning and 73.1MB in the end (delta: 64.8MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.28ms. Allocated memory is still 167.8MB. Free memory was 73.1MB in the beginning and 70.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.78ms. Allocated memory is still 167.8MB. Free memory was 70.2MB in the beginning and 135.6MB in the end (delta: -65.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * IcfgBuilder took 394.78ms. Allocated memory is still 167.8MB. Free memory was 135.6MB in the beginning and 121.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 381.94ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 105.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. 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 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [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 CWE191_Integer_Underflow__int_fscanf_multiply_09_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 \read(GLOBAL_CONST_TRUE) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-10 21:33:09,492 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_multiply_09_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 4bddcdd44fe21a0f70a7196d8d169ad13c8473c91e0bbb384fd473a733e5e298 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:33:11,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:33:11,834 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-10 21:33:11,840 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:33:11,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:33:11,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-10 21:33:11,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:33:11,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:33:11,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:33:11,874 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:33:11,876 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:33:11,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:33:11,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:33:11,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:33:11,880 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:33:11,881 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:33:11,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:33:11,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:33:11,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:33:11,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:33:11,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:33:11,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:33:11,885 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 21:33:11,885 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 21:33:11,885 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:33:11,886 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:33:11,886 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 21:33:11,886 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:33:11,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:33:11,887 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:33:11,887 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:33:11,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:33:11,888 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:33:11,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:33:11,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:33:11,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:33:11,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:33:11,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:33:11,890 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 21:33:11,891 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 21:33:11,891 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:33:11,891 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:33:11,892 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:33:11,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:33:11,892 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bddcdd44fe21a0f70a7196d8d169ad13c8473c91e0bbb384fd473a733e5e298 [2024-11-10 21:33:12,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:33:12,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:33:12,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:33:12,272 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:33:12,273 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:33:12,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_09_bad.i [2024-11-10 21:33:13,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:33:14,103 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:33:14,104 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_09_bad.i [2024-11-10 21:33:14,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/051c48e67/cd2369e2ffa14914a8b5c895bcd078d7/FLAG1ad6861e5 [2024-11-10 21:33:14,149 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/051c48e67/cd2369e2ffa14914a8b5c895bcd078d7 [2024-11-10 21:33:14,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:33:14,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:33:14,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:33:14,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:33:14,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:33:14,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:33:14" (1/1) ... [2024-11-10 21:33:14,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c769292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:14, skipping insertion in model container [2024-11-10 21:33:14,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:33:14" (1/1) ... [2024-11-10 21:33:14,237 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:33:15,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:33:15,016 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:33:15,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:33:15,194 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:33:15,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:15 WrapperNode [2024-11-10 21:33:15,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:33:15,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:33:15,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:33:15,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:33:15,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:15" (1/1) ... [2024-11-10 21:33:15,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:15" (1/1) ... [2024-11-10 21:33:15,253 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-10 21:33:15,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:33:15,254 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:33:15,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:33:15,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:33:15,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:15" (1/1) ... [2024-11-10 21:33:15,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:15" (1/1) ... [2024-11-10 21:33:15,277 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:15" (1/1) ... [2024-11-10 21:33:15,289 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 21:33:15,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:15" (1/1) ... [2024-11-10 21:33:15,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:15" (1/1) ... [2024-11-10 21:33:15,299 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:15" (1/1) ... [2024-11-10 21:33:15,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:15" (1/1) ... [2024-11-10 21:33:15,302 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:15" (1/1) ... [2024-11-10 21:33:15,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:15" (1/1) ... [2024-11-10 21:33:15,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:33:15,315 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:33:15,315 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:33:15,315 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:33:15,316 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:15" (1/1) ... [2024-11-10 21:33:15,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:33:15,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:33:15,358 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) [2024-11-10 21:33:15,360 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 [2024-11-10 21:33:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-10 21:33:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-10 21:33:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:33:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:33:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:33:15,564 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:33:15,567 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 21:33:15,733 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-10 21:33:15,736 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 21:33:15,749 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 21:33:15,750 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 21:33:15,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:33:15 BoogieIcfgContainer [2024-11-10 21:33:15,751 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 21:33:15,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 21:33:15,754 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 21:33:15,757 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 21:33:15,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:33:14" (1/3) ... [2024-11-10 21:33:15,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@422c5409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:33:15, skipping insertion in model container [2024-11-10 21:33:15,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:33:15" (2/3) ... [2024-11-10 21:33:15,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@422c5409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:33:15, skipping insertion in model container [2024-11-10 21:33:15,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:33:15" (3/3) ... [2024-11-10 21:33:15,762 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_09_bad.i [2024-11-10 21:33:15,780 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 21:33:15,780 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 21:33:15,851 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 21:33:15,859 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;@3b5cd5c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 21:33:15,859 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 21:33:15,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 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) [2024-11-10 21:33:15,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-10 21:33:15,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:33:15,873 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:33:15,874 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 21:33:15,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:33:15,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1180179906, now seen corresponding path program 1 times [2024-11-10 21:33:15,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 21:33:15,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1700507316] [2024-11-10 21:33:15,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:33:15,900 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 [2024-11-10 21:33:15,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 21:33:15,904 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) [2024-11-10 21:33:15,905 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 [2024-11-10 21:33:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:33:16,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 21:33:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:33:16,084 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-10 21:33:16,086 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 21:33:16,087 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-10 21:33:16,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-10 21:33:16,096 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 [2024-11-10 21:33:16,290 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 [2024-11-10 21:33:16,295 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-10 21:33:16,325 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 21:33:16,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 09:33:16 BoogieIcfgContainer [2024-11-10 21:33:16,328 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 21:33:16,329 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 21:33:16,329 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 21:33:16,329 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 21:33:16,330 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:33:15" (3/4) ... [2024-11-10 21:33:16,333 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 21:33:16,335 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 21:33:16,336 INFO L158 Benchmark]: Toolchain (without parser) took 2181.51ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 39.8MB in the beginning and 44.8MB in the end (delta: -5.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-10 21:33:16,337 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 54.5MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:33:16,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1039.54ms. Allocated memory is still 75.5MB. Free memory was 39.6MB in the beginning and 40.1MB in the end (delta: -505.9kB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-11-10 21:33:16,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.54ms. Allocated memory is still 75.5MB. Free memory was 40.1MB in the beginning and 36.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 21:33:16,340 INFO L158 Benchmark]: Boogie Preprocessor took 60.69ms. Allocated memory is still 75.5MB. Free memory was 36.9MB in the beginning and 34.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 21:33:16,340 INFO L158 Benchmark]: IcfgBuilder took 435.60ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 34.4MB in the beginning and 61.5MB in the end (delta: -27.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 21:33:16,341 INFO L158 Benchmark]: TraceAbstraction took 575.06ms. Allocated memory is still 92.3MB. Free memory was 61.0MB in the beginning and 44.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 21:33:16,341 INFO L158 Benchmark]: Witness Printer took 6.32ms. Allocated memory is still 92.3MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:33:16,344 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95ms. Allocated memory is still 54.5MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1039.54ms. Allocated memory is still 75.5MB. Free memory was 39.6MB in the beginning and 40.1MB in the end (delta: -505.9kB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.54ms. Allocated memory is still 75.5MB. Free memory was 40.1MB in the beginning and 36.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.69ms. Allocated memory is still 75.5MB. Free memory was 36.9MB in the beginning and 34.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 435.60ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 34.4MB in the beginning and 61.5MB in the end (delta: -27.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 575.06ms. Allocated memory is still 92.3MB. Free memory was 61.0MB in the beginning and 44.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.32ms. Allocated memory is still 92.3MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [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 CWE191_Integer_Underflow__int_fscanf_multiply_09_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 \read(GLOBAL_CONST_TRUE) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) 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] [L1558] COND TRUE data < 0 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 * 2 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-10 21:33:16,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample