./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 c01bf64283f24db5109bd67f2495754004ac7861f5a753a7a5eef8291688cf79 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 03:45:03,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 03:45:03,680 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-01-10 03:45:03,684 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 03:45:03,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 03:45:03,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 03:45:03,715 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 03:45:03,715 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 03:45:03,716 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 03:45:03,716 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 03:45:03,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 03:45:03,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 03:45:03,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 03:45:03,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 03:45:03,716 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 03:45:03,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 03:45:03,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 03:45:03,717 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 03:45:03,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 03:45:03,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 03:45:03,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 03:45:03,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 03:45:03,719 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 03:45:03,719 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 03:45:03,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 03:45:03,719 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 03:45:03,719 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 03:45:03,719 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 03:45:03,719 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 03:45:03,719 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 03:45:03,720 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 03:45:03,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 03:45:03,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 03:45:03,720 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 03:45:03,720 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 03:45:03,720 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 03:45:03,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 03:45:03,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 03:45:03,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 03:45:03,721 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 03:45:03,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 03:45:03,721 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 03:45:03,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 03:45:03,721 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 03:45:03,722 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 03:45:03,722 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 03:45:03,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 03:45:03,722 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> c01bf64283f24db5109bd67f2495754004ac7861f5a753a7a5eef8291688cf79 [2025-01-10 03:45:04,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 03:45:04,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 03:45:04,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 03:45:04,030 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 03:45:04,030 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 03:45:04,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i [2025-01-10 03:45:05,379 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a3c278425/c8e355f59bea4f68be000913f5eb1dca/FLAGf65b2492b [2025-01-10 03:45:05,815 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 03:45:05,818 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i [2025-01-10 03:45:05,848 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a3c278425/c8e355f59bea4f68be000913f5eb1dca/FLAGf65b2492b [2025-01-10 03:45:05,962 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a3c278425/c8e355f59bea4f68be000913f5eb1dca [2025-01-10 03:45:05,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 03:45:05,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 03:45:05,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 03:45:05,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 03:45:05,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 03:45:05,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:45:05" (1/1) ... [2025-01-10 03:45:05,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@beba044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:05, skipping insertion in model container [2025-01-10 03:45:05,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:45:05" (1/1) ... [2025-01-10 03:45:06,026 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 03:45:06,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 03:45:06,776 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 03:45:06,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 03:45:06,958 INFO L204 MainTranslator]: Completed translation [2025-01-10 03:45:06,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:06 WrapperNode [2025-01-10 03:45:06,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 03:45:06,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 03:45:06,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 03:45:06,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 03:45:06,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:06" (1/1) ... [2025-01-10 03:45:06,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:06" (1/1) ... [2025-01-10 03:45:07,008 INFO L138 Inliner]: procedures = 499, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2025-01-10 03:45:07,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 03:45:07,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 03:45:07,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 03:45:07,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 03:45:07,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:06" (1/1) ... [2025-01-10 03:45:07,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:06" (1/1) ... [2025-01-10 03:45:07,019 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:06" (1/1) ... [2025-01-10 03:45:07,038 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [1, 3]. 75 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 2 writes are split as follows [0, 2]. [2025-01-10 03:45:07,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:06" (1/1) ... [2025-01-10 03:45:07,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:06" (1/1) ... [2025-01-10 03:45:07,042 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:06" (1/1) ... [2025-01-10 03:45:07,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:06" (1/1) ... [2025-01-10 03:45:07,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:06" (1/1) ... [2025-01-10 03:45:07,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:06" (1/1) ... [2025-01-10 03:45:07,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:06" (1/1) ... [2025-01-10 03:45:07,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 03:45:07,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 03:45:07,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 03:45:07,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 03:45:07,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:06" (1/1) ... [2025-01-10 03:45:07,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 03:45:07,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 03:45:07,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 03:45:07,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 03:45:07,095 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-01-10 03:45:07,095 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-01-10 03:45:07,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 03:45:07,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-10 03:45:07,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-10 03:45:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 03:45:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 03:45:07,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 03:45:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 03:45:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-10 03:45:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-10 03:45:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 03:45:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 03:45:07,219 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 03:45:07,221 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 03:45:07,346 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2025-01-10 03:45:07,347 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 03:45:07,357 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 03:45:07,358 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 03:45:07,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:45:07 BoogieIcfgContainer [2025-01-10 03:45:07,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 03:45:07,361 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 03:45:07,361 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 03:45:07,365 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 03:45:07,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 03:45:05" (1/3) ... [2025-01-10 03:45:07,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@938b02a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:45:07, skipping insertion in model container [2025-01-10 03:45:07,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:06" (2/3) ... [2025-01-10 03:45:07,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@938b02a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:45:07, skipping insertion in model container [2025-01-10 03:45:07,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:45:07" (3/3) ... [2025-01-10 03:45:07,370 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i [2025-01-10 03:45:07,384 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 03:45:07,386 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-01-10 03:45:07,442 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 03:45:07,457 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;@cf760db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 03:45:07,457 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-10 03:45:07,460 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 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) [2025-01-10 03:45:07,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 03:45:07,466 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 03:45:07,467 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 03:45:07,467 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 03:45:07,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 03:45:07,473 INFO L85 PathProgramCache]: Analyzing trace with hash 252523526, now seen corresponding path program 1 times [2025-01-10 03:45:07,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 03:45:07,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8519287] [2025-01-10 03:45:07,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 03:45:07,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 03:45:07,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 03:45:07,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 03:45:07,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 03:45:07,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 03:45:07,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 03:45:07,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 03:45:07,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8519287] [2025-01-10 03:45:07,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8519287] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 03:45:07,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 03:45:07,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 03:45:07,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882474813] [2025-01-10 03:45:07,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 03:45:07,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 03:45:07,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 03:45:07,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 03:45:07,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 03:45:07,726 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 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) [2025-01-10 03:45:07,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 03:45:07,744 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2025-01-10 03:45:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 03:45:07,746 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 [2025-01-10 03:45:07,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 03:45:07,749 INFO L225 Difference]: With dead ends: 24 [2025-01-10 03:45:07,749 INFO L226 Difference]: Without dead ends: 15 [2025-01-10 03:45:07,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 03:45:07,753 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 03:45:07,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 44 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 03:45:07,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2025-01-10 03:45:07,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2025-01-10 03:45:07,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 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) [2025-01-10 03:45:07,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2025-01-10 03:45:07,782 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2025-01-10 03:45:07,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 03:45:07,783 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-01-10 03:45:07,783 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) [2025-01-10 03:45:07,783 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2025-01-10 03:45:07,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 03:45:07,784 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 03:45:07,784 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 03:45:07,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 03:45:07,785 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 03:45:07,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 03:45:07,785 INFO L85 PathProgramCache]: Analyzing trace with hash -761705229, now seen corresponding path program 1 times [2025-01-10 03:45:07,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 03:45:07,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171430646] [2025-01-10 03:45:07,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 03:45:07,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 03:45:07,809 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 03:45:07,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 03:45:07,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 03:45:07,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 03:45:07,829 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 03:45:07,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 03:45:07,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 03:45:07,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 03:45:07,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 03:45:07,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 03:45:07,882 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-10 03:45:07,884 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-01-10 03:45:07,886 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-01-10 03:45:07,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 03:45:07,892 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-10 03:45:07,918 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 03:45:07,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:45:07 BoogieIcfgContainer [2025-01-10 03:45:07,922 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 03:45:07,923 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 03:45:07,923 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 03:45:07,923 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 03:45:07,924 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:45:07" (3/4) ... [2025-01-10 03:45:07,926 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-10 03:45:07,927 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 03:45:07,928 INFO L158 Benchmark]: Toolchain (without parser) took 1961.49ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 58.1MB in the end (delta: 45.2MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2025-01-10 03:45:07,928 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 201.3MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 03:45:07,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 991.29ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 44.9MB in the end (delta: 58.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-01-10 03:45:07,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.61ms. Allocated memory is still 142.6MB. Free memory was 44.9MB in the beginning and 42.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 03:45:07,930 INFO L158 Benchmark]: Boogie Preprocessor took 39.66ms. Allocated memory is still 142.6MB. Free memory was 42.7MB in the beginning and 40.4MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 03:45:07,930 INFO L158 Benchmark]: RCFGBuilder took 309.20ms. Allocated memory is still 142.6MB. Free memory was 40.4MB in the beginning and 96.4MB in the end (delta: -55.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2025-01-10 03:45:07,930 INFO L158 Benchmark]: TraceAbstraction took 561.10ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 58.8MB in the end (delta: 37.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-01-10 03:45:07,931 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 142.6MB. Free memory was 58.8MB in the beginning and 58.1MB in the end (delta: 681.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 03:45:07,934 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 201.3MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 991.29ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 44.9MB in the end (delta: 58.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.61ms. Allocated memory is still 142.6MB. Free memory was 44.9MB in the beginning and 42.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.66ms. Allocated memory is still 142.6MB. Free memory was 42.7MB in the beginning and 40.4MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 309.20ms. Allocated memory is still 142.6MB. Free memory was 40.4MB in the beginning and 96.4MB in the end (delta: -55.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * TraceAbstraction took 561.10ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 58.8MB in the end (delta: 37.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 142.6MB. Free memory was 58.8MB in the beginning and 58.1MB in the end (delta: 681.5kB). 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: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={14:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1577] 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] [L1579] 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: 1579]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-10 03:45:07,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 c01bf64283f24db5109bd67f2495754004ac7861f5a753a7a5eef8291688cf79 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 03:45:10,263 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 03:45:10,359 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2025-01-10 03:45:10,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 03:45:10,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 03:45:10,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2025-01-10 03:45:10,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 03:45:10,396 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 03:45:10,397 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 03:45:10,397 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 03:45:10,398 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 03:45:10,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 03:45:10,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 03:45:10,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 03:45:10,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 03:45:10,399 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 03:45:10,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 03:45:10,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 03:45:10,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 03:45:10,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 03:45:10,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 03:45:10,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 03:45:10,401 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-10 03:45:10,401 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-10 03:45:10,401 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 03:45:10,401 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-10 03:45:10,401 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 03:45:10,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 03:45:10,401 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 03:45:10,401 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 03:45:10,401 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 03:45:10,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 03:45:10,402 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 03:45:10,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 03:45:10,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 03:45:10,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 03:45:10,402 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 03:45:10,402 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 03:45:10,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 03:45:10,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 03:45:10,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 03:45:10,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 03:45:10,402 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 03:45:10,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 03:45:10,402 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-10 03:45:10,403 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-10 03:45:10,403 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 03:45:10,404 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 03:45:10,404 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 03:45:10,404 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 03:45:10,404 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> c01bf64283f24db5109bd67f2495754004ac7861f5a753a7a5eef8291688cf79 [2025-01-10 03:45:10,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 03:45:10,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 03:45:10,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 03:45:10,746 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 03:45:10,749 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 03:45:10,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i [2025-01-10 03:45:12,070 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/666bd089d/23e4b0d0beda4965986962f8db3ede16/FLAG624e6e405 [2025-01-10 03:45:12,489 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 03:45:12,490 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i [2025-01-10 03:45:12,523 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/666bd089d/23e4b0d0beda4965986962f8db3ede16/FLAG624e6e405 [2025-01-10 03:45:12,542 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/666bd089d/23e4b0d0beda4965986962f8db3ede16 [2025-01-10 03:45:12,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 03:45:12,547 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 03:45:12,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 03:45:12,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 03:45:12,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 03:45:12,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:45:12" (1/1) ... [2025-01-10 03:45:12,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53149e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:12, skipping insertion in model container [2025-01-10 03:45:12,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:45:12" (1/1) ... [2025-01-10 03:45:12,613 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 03:45:13,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 03:45:13,252 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 03:45:13,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 03:45:13,501 INFO L204 MainTranslator]: Completed translation [2025-01-10 03:45:13,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:13 WrapperNode [2025-01-10 03:45:13,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 03:45:13,502 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 03:45:13,502 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 03:45:13,502 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 03:45:13,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:13" (1/1) ... [2025-01-10 03:45:13,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:13" (1/1) ... [2025-01-10 03:45:13,548 INFO L138 Inliner]: procedures = 504, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2025-01-10 03:45:13,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 03:45:13,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 03:45:13,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 03:45:13,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 03:45:13,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:13" (1/1) ... [2025-01-10 03:45:13,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:13" (1/1) ... [2025-01-10 03:45:13,571 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:13" (1/1) ... [2025-01-10 03:45:13,588 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [1, 3]. 75 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 2 writes are split as follows [0, 2]. [2025-01-10 03:45:13,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:13" (1/1) ... [2025-01-10 03:45:13,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:13" (1/1) ... [2025-01-10 03:45:13,595 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:13" (1/1) ... [2025-01-10 03:45:13,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:13" (1/1) ... [2025-01-10 03:45:13,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:13" (1/1) ... [2025-01-10 03:45:13,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:13" (1/1) ... [2025-01-10 03:45:13,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:13" (1/1) ... [2025-01-10 03:45:13,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 03:45:13,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 03:45:13,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 03:45:13,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 03:45:13,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:13" (1/1) ... [2025-01-10 03:45:13,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 03:45:13,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 03:45:13,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 03:45:13,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 03:45:13,673 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-01-10 03:45:13,673 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-01-10 03:45:13,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 03:45:13,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-10 03:45:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-01-10 03:45:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 03:45:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 03:45:13,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 03:45:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-01-10 03:45:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-01-10 03:45:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 03:45:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-01-10 03:45:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-01-10 03:45:13,799 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 03:45:13,801 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 03:45:14,014 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2025-01-10 03:45:14,014 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 03:45:14,025 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 03:45:14,026 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 03:45:14,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:45:14 BoogieIcfgContainer [2025-01-10 03:45:14,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 03:45:14,029 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 03:45:14,029 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 03:45:14,033 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 03:45:14,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 03:45:12" (1/3) ... [2025-01-10 03:45:14,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df72b46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:45:14, skipping insertion in model container [2025-01-10 03:45:14,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:45:13" (2/3) ... [2025-01-10 03:45:14,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df72b46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:45:14, skipping insertion in model container [2025-01-10 03:45:14,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:45:14" (3/3) ... [2025-01-10 03:45:14,035 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i [2025-01-10 03:45:14,050 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 03:45:14,052 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-01-10 03:45:14,097 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 03:45:14,109 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;@11b22a60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 03:45:14,110 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-10 03:45:14,113 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 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) [2025-01-10 03:45:14,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 03:45:14,119 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 03:45:14,119 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 03:45:14,120 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 03:45:14,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 03:45:14,127 INFO L85 PathProgramCache]: Analyzing trace with hash 252523526, now seen corresponding path program 1 times [2025-01-10 03:45:14,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-10 03:45:14,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2058221910] [2025-01-10 03:45:14,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 03:45:14,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 03:45:14,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 03:45:14,148 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 03:45:14,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 03:45:14,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 03:45:14,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 03:45:14,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 03:45:14,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 03:45:14,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 03:45:14,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 03:45:14,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 03:45:14,399 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 03:45:14,400 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-10 03:45:14,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058221910] [2025-01-10 03:45:14,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058221910] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 03:45:14,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 03:45:14,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 03:45:14,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609962486] [2025-01-10 03:45:14,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 03:45:14,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 03:45:14,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-10 03:45:14,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 03:45:14,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 03:45:14,427 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 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) [2025-01-10 03:45:14,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 03:45:14,469 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2025-01-10 03:45:14,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 03:45:14,473 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 [2025-01-10 03:45:14,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 03:45:14,479 INFO L225 Difference]: With dead ends: 24 [2025-01-10 03:45:14,479 INFO L226 Difference]: Without dead ends: 15 [2025-01-10 03:45:14,482 INFO L434 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 [2025-01-10 03:45:14,486 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 03:45:14,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 44 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 03:45:14,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2025-01-10 03:45:14,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2025-01-10 03:45:14,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 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) [2025-01-10 03:45:14,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2025-01-10 03:45:14,527 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2025-01-10 03:45:14,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 03:45:14,529 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-01-10 03:45:14,529 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) [2025-01-10 03:45:14,530 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2025-01-10 03:45:14,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 03:45:14,531 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 03:45:14,531 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 03:45:14,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 03:45:14,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 03:45:14,736 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 03:45:14,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 03:45:14,737 INFO L85 PathProgramCache]: Analyzing trace with hash -761705229, now seen corresponding path program 1 times [2025-01-10 03:45:14,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-10 03:45:14,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [348600614] [2025-01-10 03:45:14,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 03:45:14,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 03:45:14,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 03:45:14,741 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 03:45:14,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 03:45:14,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 03:45:14,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 03:45:14,890 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 03:45:14,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 03:45:14,890 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 03:45:14,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 03:45:14,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 03:45:14,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 03:45:14,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 03:45:14,973 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-01-10 03:45:14,974 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-10 03:45:14,975 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-01-10 03:45:14,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-01-10 03:45:14,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 03:45:15,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 03:45:15,181 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-10 03:45:15,197 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 03:45:15,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:45:15 BoogieIcfgContainer [2025-01-10 03:45:15,200 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 03:45:15,201 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 03:45:15,201 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 03:45:15,201 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 03:45:15,202 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:45:14" (3/4) ... [2025-01-10 03:45:15,204 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-10 03:45:15,204 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 03:45:15,205 INFO L158 Benchmark]: Toolchain (without parser) took 2658.35ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 88.2MB in the beginning and 176.7MB in the end (delta: -88.5MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2025-01-10 03:45:15,205 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 03:45:15,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 952.15ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 65.3MB in the end (delta: 22.7MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2025-01-10 03:45:15,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.41ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 62.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 03:45:15,206 INFO L158 Benchmark]: Boogie Preprocessor took 51.59ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 60.0MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 03:45:15,207 INFO L158 Benchmark]: RCFGBuilder took 425.68ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 45.9MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 03:45:15,207 INFO L158 Benchmark]: TraceAbstraction took 1171.85ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 44.8MB in the beginning and 176.8MB in the end (delta: -131.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 03:45:15,207 INFO L158 Benchmark]: Witness Printer took 3.32ms. Allocated memory is still 234.9MB. Free memory was 176.8MB in the beginning and 176.7MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 03:45:15,209 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 952.15ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 65.3MB in the end (delta: 22.7MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.41ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 62.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.59ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 60.0MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 425.68ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 45.9MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1171.85ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 44.8MB in the beginning and 176.8MB in the end (delta: -131.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.32ms. Allocated memory is still 234.9MB. Free memory was 176.8MB in the beginning and 176.7MB in the end (delta: 35.5kB). 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: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1577] 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] [L1579] 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: 1579]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 8 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=24occurred 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, 85 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-10 03:45:15,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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