./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 b9b1d70412686ac905855181812a48195e2e0985343fa22ed5daba712eb76469 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:09:07,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:09:07,543 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-11 23:09:07,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:09:07,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:09:07,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:09:07,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:09:07,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:09:07,581 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:09:07,581 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:09:07,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:09:07,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:09:07,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:09:07,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:09:07,583 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:09:07,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:09:07,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:09:07,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:09:07,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:09:07,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:09:07,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:09:07,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:09:07,589 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:09:07,590 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:09:07,590 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:09:07,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:09:07,591 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:09:07,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:09:07,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:09:07,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:09:07,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:09:07,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:09:07,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:09:07,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:09:07,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:09:07,593 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:09:07,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:09:07,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:09:07,596 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:09:07,596 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:09:07,597 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:09:07,598 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9b1d70412686ac905855181812a48195e2e0985343fa22ed5daba712eb76469 [2024-10-11 23:09:07,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:09:07,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:09:07,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:09:07,886 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:09:07,886 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:09:07,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i [2024-10-11 23:09:09,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:09:09,681 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:09:09,682 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i [2024-10-11 23:09:09,707 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/cae3d6d02/56d4ecad295648a19599a5e846a23c8b/FLAGf25b75d2f [2024-10-11 23:09:09,722 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/cae3d6d02/56d4ecad295648a19599a5e846a23c8b [2024-10-11 23:09:09,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:09:09,725 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:09:09,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:09:09,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:09:09,734 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:09:09,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:09:09" (1/1) ... [2024-10-11 23:09:09,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146ac450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:09, skipping insertion in model container [2024-10-11 23:09:09,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:09:09" (1/1) ... [2024-10-11 23:09:09,792 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:09:10,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:09:10,394 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:09:10,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:09:10,653 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:09:10,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:10 WrapperNode [2024-10-11 23:09:10,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:09:10,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:09:10,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:09:10,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:09:10,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:10" (1/1) ... [2024-10-11 23:09:10,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:10" (1/1) ... [2024-10-11 23:09:10,710 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2024-10-11 23:09:10,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:09:10,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:09:10,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:09:10,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:09:10,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:10" (1/1) ... [2024-10-11 23:09:10,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:10" (1/1) ... [2024-10-11 23:09:10,721 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:10" (1/1) ... [2024-10-11 23:09:10,729 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-11 23:09:10,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:10" (1/1) ... [2024-10-11 23:09:10,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:10" (1/1) ... [2024-10-11 23:09:10,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:10" (1/1) ... [2024-10-11 23:09:10,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:10" (1/1) ... [2024-10-11 23:09:10,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:10" (1/1) ... [2024-10-11 23:09:10,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:10" (1/1) ... [2024-10-11 23:09:10,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:09:10,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:09:10,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:09:10,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:09:10,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:10" (1/1) ... [2024-10-11 23:09:10,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:09:10,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:09:10,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:09:10,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:09:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-11 23:09:10,804 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-11 23:09:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:09:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:09:10,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:09:10,902 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:09:10,904 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:09:10,998 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-10-11 23:09:10,999 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:09:11,034 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:09:11,034 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 23:09:11,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:09:11 BoogieIcfgContainer [2024-10-11 23:09:11,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:09:11,036 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:09:11,037 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:09:11,040 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:09:11,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:09:09" (1/3) ... [2024-10-11 23:09:11,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e6a018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:09:11, skipping insertion in model container [2024-10-11 23:09:11,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:10" (2/3) ... [2024-10-11 23:09:11,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e6a018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:09:11, skipping insertion in model container [2024-10-11 23:09:11,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:09:11" (3/3) ... [2024-10-11 23:09:11,043 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i [2024-10-11 23:09:11,055 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:09:11,055 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-11 23:09:11,108 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:09:11,114 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;@256aeba4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:09:11,114 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-11 23:09:11,119 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) [2024-10-11 23:09:11,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 23:09:11,126 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:09:11,127 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:09:11,127 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 23:09:11,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:09:11,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1506175351, now seen corresponding path program 1 times [2024-10-11 23:09:11,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:09:11,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873914762] [2024-10-11 23:09:11,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:09:11,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:09:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 23:09:11,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 23:09:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 23:09:11,300 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 23:09:11,302 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 23:09:11,303 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-11 23:09:11,304 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-11 23:09:11,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:09:11,307 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-11 23:09:11,319 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 23:09:11,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 11:09:11 BoogieIcfgContainer [2024-10-11 23:09:11,323 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 23:09:11,323 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 23:09:11,323 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 23:09:11,324 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 23:09:11,324 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:09:11" (3/4) ... [2024-10-11 23:09:11,325 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 23:09:11,326 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 23:09:11,327 INFO L158 Benchmark]: Toolchain (without parser) took 1602.13ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 79.4MB in the beginning and 97.2MB in the end (delta: -17.8MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2024-10-11 23:09:11,327 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 155.2MB. Free memory was 105.7MB in the beginning and 105.5MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:09:11,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 927.80ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 79.1MB in the beginning and 134.9MB in the end (delta: -55.8MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2024-10-11 23:09:11,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.05ms. Allocated memory is still 218.1MB. Free memory was 134.9MB in the beginning and 131.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 23:09:11,328 INFO L158 Benchmark]: Boogie Preprocessor took 26.96ms. Allocated memory is still 218.1MB. Free memory was 131.8MB in the beginning and 129.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:09:11,329 INFO L158 Benchmark]: RCFGBuilder took 296.30ms. Allocated memory is still 218.1MB. Free memory was 129.7MB in the beginning and 113.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 23:09:11,329 INFO L158 Benchmark]: TraceAbstraction took 287.19ms. Allocated memory is still 218.1MB. Free memory was 112.9MB in the beginning and 98.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 23:09:11,330 INFO L158 Benchmark]: Witness Printer took 2.88ms. Allocated memory is still 218.1MB. Free memory was 97.2MB in the beginning and 97.2MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:09:11,332 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 155.2MB. Free memory was 105.7MB in the beginning and 105.5MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 927.80ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 79.1MB in the beginning and 134.9MB in the end (delta: -55.8MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.05ms. Allocated memory is still 218.1MB. Free memory was 134.9MB in the beginning and 131.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.96ms. Allocated memory is still 218.1MB. Free memory was 131.8MB in the beginning and 129.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 296.30ms. Allocated memory is still 218.1MB. Free memory was 129.7MB in the beginning and 113.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 287.19ms. Allocated memory is still 218.1MB. Free memory was 112.9MB in the beginning and 98.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 2.88ms. Allocated memory is still 218.1MB. Free memory was 97.2MB in the beginning and 97.2MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. 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: 1551]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_41_bad() [L1557] int data; [L1558] data = 0 [L1560] CALL badSink(data) [L1551] 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: 1551]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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=14occurred 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, 8 NumberOfCodeBlocks, 8 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 [2024-10-11 23:09:11,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 b9b1d70412686ac905855181812a48195e2e0985343fa22ed5daba712eb76469 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:09:13,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:09:13,925 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-11 23:09:13,938 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:09:13,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:09:13,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-11 23:09:13,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:09:13,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:09:13,989 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:09:13,990 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:09:13,990 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:09:13,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:09:13,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:09:13,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:09:13,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:09:13,991 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:09:13,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:09:13,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:09:13,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:09:13,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:09:13,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:09:14,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:09:14,001 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 23:09:14,001 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 23:09:14,001 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:09:14,001 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:09:14,001 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 23:09:14,002 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:09:14,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:09:14,002 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:09:14,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:09:14,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:09:14,003 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:09:14,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:09:14,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:09:14,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:09:14,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:09:14,004 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:09:14,004 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 23:09:14,006 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 23:09:14,010 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:09:14,010 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:09:14,010 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:09:14,011 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:09:14,011 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 23:09:14,011 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9b1d70412686ac905855181812a48195e2e0985343fa22ed5daba712eb76469 [2024-10-11 23:09:14,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:09:14,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:09:14,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:09:14,518 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:09:14,518 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:09:14,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i [2024-10-11 23:09:16,288 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:09:16,572 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:09:16,573 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i [2024-10-11 23:09:16,597 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/be4235ccc/1976180078c84a96a9c41d919ee4af56/FLAG1552fda48 [2024-10-11 23:09:16,611 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/be4235ccc/1976180078c84a96a9c41d919ee4af56 [2024-10-11 23:09:16,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:09:16,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:09:16,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:09:16,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:09:16,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:09:16,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:09:16" (1/1) ... [2024-10-11 23:09:16,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c708c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:16, skipping insertion in model container [2024-10-11 23:09:16,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:09:16" (1/1) ... [2024-10-11 23:09:16,686 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:09:17,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:09:17,336 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:09:17,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:09:17,523 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:09:17,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:17 WrapperNode [2024-10-11 23:09:17,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:09:17,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:09:17,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:09:17,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:09:17,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:17" (1/1) ... [2024-10-11 23:09:17,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:17" (1/1) ... [2024-10-11 23:09:17,574 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 43 [2024-10-11 23:09:17,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:09:17,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:09:17,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:09:17,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:09:17,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:17" (1/1) ... [2024-10-11 23:09:17,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:17" (1/1) ... [2024-10-11 23:09:17,592 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:17" (1/1) ... [2024-10-11 23:09:17,600 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-11 23:09:17,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:17" (1/1) ... [2024-10-11 23:09:17,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:17" (1/1) ... [2024-10-11 23:09:17,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:17" (1/1) ... [2024-10-11 23:09:17,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:17" (1/1) ... [2024-10-11 23:09:17,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:17" (1/1) ... [2024-10-11 23:09:17,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:17" (1/1) ... [2024-10-11 23:09:17,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:09:17,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:09:17,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:09:17,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:09:17,614 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:17" (1/1) ... [2024-10-11 23:09:17,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:09:17,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:09:17,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:09:17,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:09:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-11 23:09:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-11 23:09:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:09:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:09:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:09:17,815 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:09:17,817 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:09:17,926 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-11 23:09:17,926 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:09:17,968 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:09:17,969 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 23:09:17,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:09:17 BoogieIcfgContainer [2024-10-11 23:09:17,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:09:17,972 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:09:17,972 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:09:17,975 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:09:17,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:09:16" (1/3) ... [2024-10-11 23:09:17,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f29630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:09:17, skipping insertion in model container [2024-10-11 23:09:17,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:17" (2/3) ... [2024-10-11 23:09:17,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f29630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:09:17, skipping insertion in model container [2024-10-11 23:09:17,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:09:17" (3/3) ... [2024-10-11 23:09:17,978 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i [2024-10-11 23:09:17,992 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:09:17,993 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-11 23:09:18,038 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:09:18,049 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;@56f3f386, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:09:18,050 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-11 23:09:18,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) [2024-10-11 23:09:18,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 23:09:18,063 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:09:18,063 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:09:18,064 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 23:09:18,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:09:18,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1506175351, now seen corresponding path program 1 times [2024-10-11 23:09:18,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 23:09:18,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2031570722] [2024-10-11 23:09:18,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:09:18,078 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 23:09:18,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 23:09:18,081 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 23:09:18,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-11 23:09:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 23:09:18,168 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 23:09:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 23:09:18,212 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-11 23:09:18,213 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 23:09:18,215 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-11 23:09:18,216 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-11 23:09:18,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-11 23:09:18,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 23:09:18,423 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-11 23:09:18,442 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 23:09:18,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 11:09:18 BoogieIcfgContainer [2024-10-11 23:09:18,445 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 23:09:18,446 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 23:09:18,446 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 23:09:18,447 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 23:09:18,447 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:09:17" (3/4) ... [2024-10-11 23:09:18,449 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 23:09:18,450 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 23:09:18,451 INFO L158 Benchmark]: Toolchain (without parser) took 1835.74ms. Allocated memory is still 88.1MB. Free memory was 66.6MB in the beginning and 54.5MB in the end (delta: 12.1MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-10-11 23:09:18,451 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 62.9MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:09:18,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 907.16ms. Allocated memory is still 88.1MB. Free memory was 66.6MB in the beginning and 59.9MB in the end (delta: 6.7MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2024-10-11 23:09:18,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.59ms. Allocated memory is still 88.1MB. Free memory was 59.4MB in the beginning and 56.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:09:18,452 INFO L158 Benchmark]: Boogie Preprocessor took 37.71ms. Allocated memory is still 88.1MB. Free memory was 56.8MB in the beginning and 54.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:09:18,452 INFO L158 Benchmark]: RCFGBuilder took 356.67ms. Allocated memory is still 88.1MB. Free memory was 54.2MB in the beginning and 39.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 23:09:18,453 INFO L158 Benchmark]: TraceAbstraction took 473.43ms. Allocated memory is still 88.1MB. Free memory was 37.9MB in the beginning and 54.5MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:09:18,453 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 88.1MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:09:18,456 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 62.9MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 907.16ms. Allocated memory is still 88.1MB. Free memory was 66.6MB in the beginning and 59.9MB in the end (delta: 6.7MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.59ms. Allocated memory is still 88.1MB. Free memory was 59.4MB in the beginning and 56.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.71ms. Allocated memory is still 88.1MB. Free memory was 56.8MB in the beginning and 54.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.67ms. Allocated memory is still 88.1MB. Free memory was 54.2MB in the beginning and 39.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 473.43ms. Allocated memory is still 88.1MB. Free memory was 37.9MB in the beginning and 54.5MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 88.1MB. Free memory is still 54.5MB. 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: 1551]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_41_bad() [L1557] int data; [L1558] data = 0 [L1560] CALL badSink(data) [L1551] 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: 1551]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 8 NumberOfCodeBlocks, 8 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 [2024-10-11 23:09:18,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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