./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_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 ab7d49d335dcbabb383c2b5ef4ecb910d32bfd99157b6ef0c9783c8f6ed82420 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 05:47:08,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 05:47:08,324 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 05:47:08,327 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 05:47:08,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 05:47:08,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 05:47:08,350 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 05:47:08,350 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 05:47:08,350 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 05:47:08,353 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 05:47:08,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 05:47:08,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 05:47:08,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 05:47:08,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 05:47:08,354 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 05:47:08,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 05:47:08,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 05:47:08,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 05:47:08,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 05:47:08,355 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 05:47:08,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 05:47:08,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 05:47:08,357 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 05:47:08,357 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 05:47:08,357 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 05:47:08,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 05:47:08,357 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 05:47:08,358 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 05:47:08,358 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 05:47:08,358 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 05:47:08,358 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 05:47:08,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 05:47:08,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 05:47:08,359 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 05:47:08,359 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 05:47:08,359 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 05:47:08,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 05:47:08,359 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 05:47:08,359 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 05:47:08,360 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 05:47:08,360 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 05:47:08,361 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab7d49d335dcbabb383c2b5ef4ecb910d32bfd99157b6ef0c9783c8f6ed82420 [2024-11-17 05:47:08,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 05:47:08,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 05:47:08,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 05:47:08,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 05:47:08,611 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 05:47:08,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i [2024-11-17 05:47:09,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 05:47:10,142 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 05:47:10,142 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i [2024-11-17 05:47:10,160 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/904c719c2/c9ae19bca55447c6beb4dfb678abb669/FLAG51aa20d05 [2024-11-17 05:47:10,172 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/904c719c2/c9ae19bca55447c6beb4dfb678abb669 [2024-11-17 05:47:10,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 05:47:10,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 05:47:10,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 05:47:10,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 05:47:10,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 05:47:10,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:47:10" (1/1) ... [2024-11-17 05:47:10,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4884e443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:10, skipping insertion in model container [2024-11-17 05:47:10,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:47:10" (1/1) ... [2024-11-17 05:47:10,221 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 05:47:10,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 05:47:10,794 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 05:47:10,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 05:47:10,956 INFO L204 MainTranslator]: Completed translation [2024-11-17 05:47:10,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:10 WrapperNode [2024-11-17 05:47:10,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 05:47:10,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 05:47:10,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 05:47:10,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 05:47:10,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:10" (1/1) ... [2024-11-17 05:47:10,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:10" (1/1) ... [2024-11-17 05:47:11,000 INFO L138 Inliner]: procedures = 498, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-11-17 05:47:11,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 05:47:11,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 05:47:11,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 05:47:11,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 05:47:11,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:10" (1/1) ... [2024-11-17 05:47:11,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:10" (1/1) ... [2024-11-17 05:47:11,015 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:10" (1/1) ... [2024-11-17 05:47:11,033 INFO L175 MemorySlicer]: Split 3 memory accesses to 2 slices as follows [1, 2]. 67 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 1 writes are split as follows [0, 1]. [2024-11-17 05:47:11,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:10" (1/1) ... [2024-11-17 05:47:11,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:10" (1/1) ... [2024-11-17 05:47:11,041 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:10" (1/1) ... [2024-11-17 05:47:11,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:10" (1/1) ... [2024-11-17 05:47:11,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:10" (1/1) ... [2024-11-17 05:47:11,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:10" (1/1) ... [2024-11-17 05:47:11,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 05:47:11,054 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 05:47:11,054 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 05:47:11,054 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 05:47:11,055 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:10" (1/1) ... [2024-11-17 05:47:11,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 05:47:11,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:47:11,091 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) [2024-11-17 05:47:11,093 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 [2024-11-17 05:47:11,128 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 05:47:11,129 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 05:47:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 05:47:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 05:47:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 05:47:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 05:47:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 05:47:11,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 05:47:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 05:47:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 05:47:11,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 05:47:11,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 05:47:11,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 05:47:11,232 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 05:47:11,234 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 05:47:11,344 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-17 05:47:11,344 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 05:47:11,354 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 05:47:11,354 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 05:47:11,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:47:11 BoogieIcfgContainer [2024-11-17 05:47:11,354 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 05:47:11,356 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 05:47:11,356 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 05:47:11,358 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 05:47:11,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:47:10" (1/3) ... [2024-11-17 05:47:11,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3748aea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:47:11, skipping insertion in model container [2024-11-17 05:47:11,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:10" (2/3) ... [2024-11-17 05:47:11,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3748aea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:47:11, skipping insertion in model container [2024-11-17 05:47:11,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:47:11" (3/3) ... [2024-11-17 05:47:11,361 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i [2024-11-17 05:47:11,373 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 05:47:11,373 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 05:47:11,419 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 05:47:11,428 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;@275906e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 05:47:11,428 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 05:47:11,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 05:47:11,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 05:47:11,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:47:11,436 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:47:11,437 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 05:47:11,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:47:11,440 INFO L85 PathProgramCache]: Analyzing trace with hash -890639271, now seen corresponding path program 1 times [2024-11-17 05:47:11,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:47:11,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568659458] [2024-11-17 05:47:11,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:47:11,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:47:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:47:11,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 05:47:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:47:11,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 05:47:11,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:47:11,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568659458] [2024-11-17 05:47:11,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568659458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:47:11,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:47:11,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 05:47:11,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989089228] [2024-11-17 05:47:11,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:47:11,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 05:47:11,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:47:11,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 05:47:11,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 05:47:11,748 INFO L87 Difference]: Start difference. First operand has 26 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 05:47:11,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:47:11,778 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2024-11-17 05:47:11,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 05:47:11,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-17 05:47:11,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:47:11,785 INFO L225 Difference]: With dead ends: 26 [2024-11-17 05:47:11,785 INFO L226 Difference]: Without dead ends: 16 [2024-11-17 05:47:11,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 05:47:11,791 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 2 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 05:47:11,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 44 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 05:47:11,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-17 05:47:11,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-17 05:47:11,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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) [2024-11-17 05:47:11,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-11-17 05:47:11,815 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 12 [2024-11-17 05:47:11,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:47:11,815 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-11-17 05:47:11,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 05:47:11,816 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-17 05:47:11,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 05:47:11,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:47:11,817 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:47:11,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 05:47:11,817 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 05:47:11,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:47:11,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1840013643, now seen corresponding path program 1 times [2024-11-17 05:47:11,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:47:11,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376268588] [2024-11-17 05:47:11,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:47:11,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:47:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 05:47:11,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 05:47:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 05:47:11,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 05:47:11,894 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 05:47:11,895 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 05:47:11,896 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 05:47:11,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 05:47:11,899 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-17 05:47:11,917 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 05:47:11,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 05:47:11 BoogieIcfgContainer [2024-11-17 05:47:11,919 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 05:47:11,920 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 05:47:11,920 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 05:47:11,920 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 05:47:11,921 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:47:11" (3/4) ... [2024-11-17 05:47:11,923 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 05:47:11,924 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 05:47:11,925 INFO L158 Benchmark]: Toolchain (without parser) took 1749.64ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 97.9MB in the beginning and 172.8MB in the end (delta: -74.9MB). Peak memory consumption was 390.9kB. Max. memory is 16.1GB. [2024-11-17 05:47:11,925 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 05:47:11,926 INFO L158 Benchmark]: CACSL2BoogieTranslator took 779.70ms. Allocated memory is still 159.4MB. Free memory was 97.9MB in the beginning and 87.3MB in the end (delta: 10.6MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2024-11-17 05:47:11,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.66ms. Allocated memory is still 159.4MB. Free memory was 87.3MB in the beginning and 84.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 05:47:11,929 INFO L158 Benchmark]: Boogie Preprocessor took 49.81ms. Allocated memory is still 159.4MB. Free memory was 84.4MB in the beginning and 81.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 05:47:11,929 INFO L158 Benchmark]: IcfgBuilder took 300.51ms. Allocated memory is still 159.4MB. Free memory was 81.6MB in the beginning and 67.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-17 05:47:11,929 INFO L158 Benchmark]: TraceAbstraction took 563.83ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 66.3MB in the beginning and 172.8MB in the end (delta: -106.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 05:47:11,930 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 232.8MB. Free memory is still 172.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 05:47:11,931 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 779.70ms. Allocated memory is still 159.4MB. Free memory was 97.9MB in the beginning and 87.3MB in the end (delta: 10.6MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.66ms. Allocated memory is still 159.4MB. Free memory was 87.3MB in the beginning and 84.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.81ms. Allocated memory is still 159.4MB. Free memory was 84.4MB in the beginning and 81.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 300.51ms. Allocated memory is still 159.4MB. Free memory was 81.6MB in the beginning and 67.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 563.83ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 66.3MB in the beginning and 172.8MB in the end (delta: -106.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 232.8MB. Free memory is still 172.8MB. 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: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of large string literal at line 1582, overapproximation of fgets at line 1560. 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] [L1582] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1582] 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] [L1583] CALL CWE190_Integer_Overflow__int_fgets_multiply_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_multiply_34_unionType myUnion; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; 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, myUnion={14:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myUnion.unionFirst = data [L1571] EXPR myUnion.unionSecond [L1571] int data = myUnion.unionSecond; [L1572] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] 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: 1574]: 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, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-17 05:47:11,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_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 ab7d49d335dcbabb383c2b5ef4ecb910d32bfd99157b6ef0c9783c8f6ed82420 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 05:47:13,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 05:47:13,820 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-17 05:47:13,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 05:47:13,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 05:47:13,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-17 05:47:13,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 05:47:13,844 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 05:47:13,845 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 05:47:13,847 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 05:47:13,848 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 05:47:13,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 05:47:13,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 05:47:13,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 05:47:13,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 05:47:13,849 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 05:47:13,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 05:47:13,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 05:47:13,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 05:47:13,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 05:47:13,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 05:47:13,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 05:47:13,850 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 05:47:13,850 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-17 05:47:13,850 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 05:47:13,851 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 05:47:13,851 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-17 05:47:13,851 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 05:47:13,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 05:47:13,851 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 05:47:13,851 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 05:47:13,851 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 05:47:13,852 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 05:47:13,852 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 05:47:13,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 05:47:13,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 05:47:13,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 05:47:13,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 05:47:13,852 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-17 05:47:13,853 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-17 05:47:13,853 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 05:47:13,853 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 05:47:13,853 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 05:47:13,853 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 05:47:13,854 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab7d49d335dcbabb383c2b5ef4ecb910d32bfd99157b6ef0c9783c8f6ed82420 [2024-11-17 05:47:14,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 05:47:14,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 05:47:14,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 05:47:14,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 05:47:14,141 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 05:47:14,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i [2024-11-17 05:47:15,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 05:47:15,728 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 05:47:15,729 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i [2024-11-17 05:47:15,750 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0da0f05a4/521c318e5f744b099f182e609800f275/FLAGad58490c2 [2024-11-17 05:47:15,763 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0da0f05a4/521c318e5f744b099f182e609800f275 [2024-11-17 05:47:15,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 05:47:15,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 05:47:15,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 05:47:15,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 05:47:15,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 05:47:15,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:47:15" (1/1) ... [2024-11-17 05:47:15,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28adf6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:15, skipping insertion in model container [2024-11-17 05:47:15,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:47:15" (1/1) ... [2024-11-17 05:47:15,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 05:47:16,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 05:47:16,515 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 05:47:16,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 05:47:16,664 INFO L204 MainTranslator]: Completed translation [2024-11-17 05:47:16,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:16 WrapperNode [2024-11-17 05:47:16,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 05:47:16,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 05:47:16,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 05:47:16,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 05:47:16,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:16" (1/1) ... [2024-11-17 05:47:16,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:16" (1/1) ... [2024-11-17 05:47:16,711 INFO L138 Inliner]: procedures = 503, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-17 05:47:16,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 05:47:16,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 05:47:16,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 05:47:16,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 05:47:16,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:16" (1/1) ... [2024-11-17 05:47:16,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:16" (1/1) ... [2024-11-17 05:47:16,726 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:16" (1/1) ... [2024-11-17 05:47:16,739 INFO L175 MemorySlicer]: Split 3 memory accesses to 2 slices as follows [1, 2]. 67 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 1 writes are split as follows [0, 1]. [2024-11-17 05:47:16,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:16" (1/1) ... [2024-11-17 05:47:16,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:16" (1/1) ... [2024-11-17 05:47:16,746 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:16" (1/1) ... [2024-11-17 05:47:16,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:16" (1/1) ... [2024-11-17 05:47:16,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:16" (1/1) ... [2024-11-17 05:47:16,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:16" (1/1) ... [2024-11-17 05:47:16,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 05:47:16,758 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 05:47:16,758 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 05:47:16,759 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 05:47:16,759 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:16" (1/1) ... [2024-11-17 05:47:16,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 05:47:16,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:47:16,781 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) [2024-11-17 05:47:16,787 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 [2024-11-17 05:47:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 05:47:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 05:47:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 05:47:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-17 05:47:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-17 05:47:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 05:47:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 05:47:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 05:47:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-17 05:47:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-17 05:47:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 05:47:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-17 05:47:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-17 05:47:16,951 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 05:47:16,954 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 05:47:17,095 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-17 05:47:17,096 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 05:47:17,106 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 05:47:17,107 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 05:47:17,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:47:17 BoogieIcfgContainer [2024-11-17 05:47:17,108 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 05:47:17,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 05:47:17,110 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 05:47:17,113 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 05:47:17,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:47:15" (1/3) ... [2024-11-17 05:47:17,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b936c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:47:17, skipping insertion in model container [2024-11-17 05:47:17,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:47:16" (2/3) ... [2024-11-17 05:47:17,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b936c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:47:17, skipping insertion in model container [2024-11-17 05:47:17,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:47:17" (3/3) ... [2024-11-17 05:47:17,117 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i [2024-11-17 05:47:17,130 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 05:47:17,130 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 05:47:17,188 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 05:47:17,194 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;@347a401b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 05:47:17,195 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 05:47:17,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 05:47:17,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 05:47:17,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:47:17,227 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:47:17,227 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 05:47:17,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:47:17,233 INFO L85 PathProgramCache]: Analyzing trace with hash -890639271, now seen corresponding path program 1 times [2024-11-17 05:47:17,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 05:47:17,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [559014800] [2024-11-17 05:47:17,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:47:17,248 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 [2024-11-17 05:47:17,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 05:47:17,250 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) [2024-11-17 05:47:17,251 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 [2024-11-17 05:47:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:47:17,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 05:47:17,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 05:47:17,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 05:47:17,400 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 05:47:17,401 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 05:47:17,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [559014800] [2024-11-17 05:47:17,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [559014800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:47:17,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:47:17,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 05:47:17,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235814505] [2024-11-17 05:47:17,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:47:17,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 05:47:17,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 05:47:17,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 05:47:17,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 05:47:17,428 INFO L87 Difference]: Start difference. First operand has 26 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 05:47:17,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:47:17,470 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2024-11-17 05:47:17,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 05:47:17,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-17 05:47:17,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:47:17,478 INFO L225 Difference]: With dead ends: 26 [2024-11-17 05:47:17,478 INFO L226 Difference]: Without dead ends: 16 [2024-11-17 05:47:17,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 05:47:17,485 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 2 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 05:47:17,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 44 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 05:47:17,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-17 05:47:17,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-17 05:47:17,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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) [2024-11-17 05:47:17,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-11-17 05:47:17,511 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 12 [2024-11-17 05:47:17,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:47:17,513 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-11-17 05:47:17,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 05:47:17,513 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-17 05:47:17,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 05:47:17,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:47:17,515 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:47:17,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-17 05:47:17,715 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 [2024-11-17 05:47:17,716 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 05:47:17,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:47:17,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1840013643, now seen corresponding path program 1 times [2024-11-17 05:47:17,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 05:47:17,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566314125] [2024-11-17 05:47:17,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:47:17,718 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 [2024-11-17 05:47:17,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 05:47:17,719 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 05:47:17,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-17 05:47:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 05:47:17,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 05:47:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 05:47:17,873 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-17 05:47:17,874 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 05:47:17,875 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 05:47:17,877 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 05:47:17,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-17 05:47:18,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 05:47:18,081 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-17 05:47:18,101 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 05:47:18,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 05:47:18 BoogieIcfgContainer [2024-11-17 05:47:18,109 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 05:47:18,110 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 05:47:18,110 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 05:47:18,110 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 05:47:18,114 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:47:17" (3/4) ... [2024-11-17 05:47:18,116 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 05:47:18,117 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 05:47:18,121 INFO L158 Benchmark]: Toolchain (without parser) took 2351.27ms. Allocated memory was 62.9MB in the beginning and 115.3MB in the end (delta: 52.4MB). Free memory was 35.8MB in the beginning and 84.8MB in the end (delta: -48.9MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-11-17 05:47:18,122 INFO L158 Benchmark]: CDTParser took 0.98ms. Allocated memory is still 62.9MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 05:47:18,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 896.02ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 35.5MB in the beginning and 60.0MB in the end (delta: -24.5MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2024-11-17 05:47:18,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.50ms. Allocated memory is still 88.1MB. Free memory was 60.0MB in the beginning and 56.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 05:47:18,123 INFO L158 Benchmark]: Boogie Preprocessor took 42.85ms. Allocated memory is still 88.1MB. Free memory was 56.9MB in the beginning and 53.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 05:47:18,123 INFO L158 Benchmark]: IcfgBuilder took 349.41ms. Allocated memory is still 88.1MB. Free memory was 53.7MB in the beginning and 38.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-17 05:47:18,123 INFO L158 Benchmark]: TraceAbstraction took 1000.11ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 37.0MB in the beginning and 84.8MB in the end (delta: -47.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-11-17 05:47:18,123 INFO L158 Benchmark]: Witness Printer took 7.56ms. Allocated memory is still 115.3MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 05:47:18,130 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98ms. Allocated memory is still 62.9MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 896.02ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 35.5MB in the beginning and 60.0MB in the end (delta: -24.5MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.50ms. Allocated memory is still 88.1MB. Free memory was 60.0MB in the beginning and 56.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.85ms. Allocated memory is still 88.1MB. Free memory was 56.9MB in the beginning and 53.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 349.41ms. Allocated memory is still 88.1MB. Free memory was 53.7MB in the beginning and 38.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1000.11ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 37.0MB in the beginning and 84.8MB in the end (delta: -47.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Witness Printer took 7.56ms. Allocated memory is still 115.3MB. Free memory is still 84.8MB. 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: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of large string literal at line 1582, overapproximation of fgets at line 1560. 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] [L1582] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1582] 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] [L1583] CALL CWE190_Integer_Overflow__int_fgets_multiply_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_multiply_34_unionType myUnion; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; 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, myUnion={7:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myUnion.unionFirst = data [L1571] EXPR myUnion.unionSecond [L1571] int data = myUnion.unionSecond; [L1572] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] 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: 1574]: 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, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 76 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-17 05:47:18,178 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