./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_32_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_32_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 8bd35fe60d7d71b931d1f92a311c4613cc75e1ed53b14f1a9dc9b39dad1e07a2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 03:44:44,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 03:44:44,461 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-01-10 03:44:44,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 03:44:44,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 03:44:44,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 03:44:44,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 03:44:44,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 03:44:44,483 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 03:44:44,483 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 03:44:44,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 03:44:44,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 03:44:44,484 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 03:44:44,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 03:44:44,484 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 03:44:44,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 03:44:44,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 03:44:44,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 03:44:44,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 03:44:44,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 03:44:44,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 03:44:44,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 03:44:44,485 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 03:44:44,485 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 03:44:44,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 03:44:44,485 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 03:44:44,485 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 03:44:44,486 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 03:44:44,486 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 03:44:44,486 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 03:44:44,486 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 03:44:44,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 03:44:44,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 03:44:44,486 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 03:44:44,486 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 03:44:44,486 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 03:44:44,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 03:44:44,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 03:44:44,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 03:44:44,487 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 03:44:44,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 03:44:44,487 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 03:44:44,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 03:44:44,487 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 03:44:44,487 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 03:44:44,487 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 03:44:44,487 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 03:44:44,487 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 -> 8bd35fe60d7d71b931d1f92a311c4613cc75e1ed53b14f1a9dc9b39dad1e07a2 [2025-01-10 03:44:44,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 03:44:44,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 03:44:44,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 03:44:44,732 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 03:44:44,732 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 03:44:44,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_32_bad.i [2025-01-10 03:44:45,910 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bc7657181/3039a43ad6e94283b91112a57b0557ba/FLAG329fc1d72 [2025-01-10 03:44:46,297 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 03:44:46,297 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_32_bad.i [2025-01-10 03:44:46,319 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bc7657181/3039a43ad6e94283b91112a57b0557ba/FLAG329fc1d72 [2025-01-10 03:44:46,490 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bc7657181/3039a43ad6e94283b91112a57b0557ba [2025-01-10 03:44:46,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 03:44:46,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 03:44:46,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 03:44:46,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 03:44:46,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 03:44:46,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:44:46" (1/1) ... [2025-01-10 03:44:46,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1298cda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:46, skipping insertion in model container [2025-01-10 03:44:46,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:44:46" (1/1) ... [2025-01-10 03:44:46,539 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 03:44:46,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 03:44:46,974 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 03:44:47,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 03:44:47,143 INFO L204 MainTranslator]: Completed translation [2025-01-10 03:44:47,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:47 WrapperNode [2025-01-10 03:44:47,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 03:44:47,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 03:44:47,145 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 03:44:47,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 03:44:47,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:47" (1/1) ... [2025-01-10 03:44:47,173 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:47" (1/1) ... [2025-01-10 03:44:47,190 INFO L138 Inliner]: procedures = 498, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2025-01-10 03:44:47,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 03:44:47,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 03:44:47,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 03:44:47,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 03:44:47,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:47" (1/1) ... [2025-01-10 03:44:47,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:47" (1/1) ... [2025-01-10 03:44:47,201 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:47" (1/1) ... [2025-01-10 03:44:47,209 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [1, 4]. 80 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 03:44:47,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:47" (1/1) ... [2025-01-10 03:44:47,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:47" (1/1) ... [2025-01-10 03:44:47,213 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:47" (1/1) ... [2025-01-10 03:44:47,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:47" (1/1) ... [2025-01-10 03:44:47,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:47" (1/1) ... [2025-01-10 03:44:47,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:47" (1/1) ... [2025-01-10 03:44:47,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:47" (1/1) ... [2025-01-10 03:44:47,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 03:44:47,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 03:44:47,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 03:44:47,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 03:44:47,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:47" (1/1) ... [2025-01-10 03:44:47,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 03:44:47,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 03:44:47,251 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 03:44:47,258 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 03:44:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-01-10 03:44:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-01-10 03:44:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 03:44:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-10 03:44:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-10 03:44:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 03:44:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 03:44:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 03:44:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 03:44:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-10 03:44:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-10 03:44:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 03:44:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 03:44:47,419 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 03:44:47,421 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 03:44:47,526 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2025-01-10 03:44:47,526 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 03:44:47,537 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 03:44:47,538 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 03:44:47,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:44:47 BoogieIcfgContainer [2025-01-10 03:44:47,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 03:44:47,541 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 03:44:47,541 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 03:44:47,544 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 03:44:47,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 03:44:46" (1/3) ... [2025-01-10 03:44:47,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@365cccac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:44:47, skipping insertion in model container [2025-01-10 03:44:47,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:47" (2/3) ... [2025-01-10 03:44:47,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@365cccac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:44:47, skipping insertion in model container [2025-01-10 03:44:47,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:44:47" (3/3) ... [2025-01-10 03:44:47,548 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_32_bad.i [2025-01-10 03:44:47,560 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 03:44:47,561 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_32_bad.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-01-10 03:44:47,618 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 03:44:47,636 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;@1bbb6f29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 03:44:47,636 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-10 03:44:47,639 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 03:44:47,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 03:44:47,643 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 03:44:47,643 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 03:44:47,644 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 03:44:47,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 03:44:47,648 INFO L85 PathProgramCache]: Analyzing trace with hash 252523526, now seen corresponding path program 1 times [2025-01-10 03:44:47,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 03:44:47,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113965579] [2025-01-10 03:44:47,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 03:44:47,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 03:44:47,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 03:44:47,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 03:44:47,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 03:44:47,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 03:44:47,879 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 03:44:47,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 03:44:47,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113965579] [2025-01-10 03:44:47,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113965579] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 03:44:47,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 03:44:47,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 03:44:47,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487500757] [2025-01-10 03:44:47,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 03:44:47,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 03:44:47,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 03:44:47,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 03:44:47,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 03:44:47,897 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 03:44:47,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 03:44:47,926 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2025-01-10 03:44:47,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 03:44:47,927 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 03:44:47,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 03:44:47,931 INFO L225 Difference]: With dead ends: 24 [2025-01-10 03:44:47,931 INFO L226 Difference]: Without dead ends: 15 [2025-01-10 03:44:47,933 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 03:44:47,935 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 03:44:47,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 42 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 03:44:47,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2025-01-10 03:44:47,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2025-01-10 03:44:47,956 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 03:44:47,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2025-01-10 03:44:47,959 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2025-01-10 03:44:47,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 03:44:47,959 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-01-10 03:44:47,960 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 03:44:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2025-01-10 03:44:47,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 03:44:47,960 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 03:44:47,960 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 03:44:47,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 03:44:47,960 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 03:44:47,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 03:44:47,961 INFO L85 PathProgramCache]: Analyzing trace with hash -761705229, now seen corresponding path program 1 times [2025-01-10 03:44:47,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 03:44:47,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122580125] [2025-01-10 03:44:47,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 03:44:47,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 03:44:48,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 03:44:48,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 03:44:48,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 03:44:48,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 03:44:48,020 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 03:44:48,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 03:44:48,030 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 03:44:48,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 03:44:48,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 03:44:48,044 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 03:44:48,045 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-10 03:44:48,046 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-01-10 03:44:48,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-01-10 03:44:48,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 03:44:48,049 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-10 03:44:48,070 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 03:44:48,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:44:48 BoogieIcfgContainer [2025-01-10 03:44:48,075 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 03:44:48,075 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 03:44:48,076 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 03:44:48,076 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 03:44:48,076 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:44:47" (3/4) ... [2025-01-10 03:44:48,079 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-10 03:44:48,080 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 03:44:48,081 INFO L158 Benchmark]: Toolchain (without parser) took 1586.97ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 62.0MB in the end (delta: 47.3MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2025-01-10 03:44:48,081 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 03:44:48,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 649.37ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 49.8MB in the end (delta: 59.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-01-10 03:44:48,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.19ms. Allocated memory is still 142.6MB. Free memory was 49.3MB in the beginning and 46.8MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 03:44:48,082 INFO L158 Benchmark]: Boogie Preprocessor took 26.74ms. Allocated memory is still 142.6MB. Free memory was 46.8MB in the beginning and 45.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 03:44:48,082 INFO L158 Benchmark]: RCFGBuilder took 319.99ms. Allocated memory is still 142.6MB. Free memory was 45.3MB in the beginning and 100.1MB in the end (delta: -54.8MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2025-01-10 03:44:48,082 INFO L158 Benchmark]: TraceAbstraction took 534.07ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 62.0MB in the end (delta: 38.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-10 03:44:48,082 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 142.6MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 03:44:48,083 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 649.37ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 49.8MB in the end (delta: 59.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.19ms. Allocated memory is still 142.6MB. Free memory was 49.3MB in the beginning and 46.8MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.74ms. Allocated memory is still 142.6MB. Free memory was 46.8MB in the beginning and 45.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 319.99ms. Allocated memory is still 142.6MB. Free memory was 45.3MB in the beginning and 100.1MB in the end (delta: -54.8MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * TraceAbstraction took 534.07ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 62.0MB in the end (delta: 38.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 142.6MB. Free memory is still 62.0MB. 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of fgets at line 1558. 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] [L1581] 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) [L1581] 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] [L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataPtr1={14:0}, dataPtr2={14:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] *dataPtr1 = data [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1571] 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] [L1573] 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: 1573]: 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: 0.4s, 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, 42 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 10 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, 0.1s 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-10 03:44:48,097 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_32_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 8bd35fe60d7d71b931d1f92a311c4613cc75e1ed53b14f1a9dc9b39dad1e07a2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 03:44:50,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 03:44:50,297 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2025-01-10 03:44:50,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 03:44:50,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 03:44:50,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2025-01-10 03:44:50,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 03:44:50,350 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 03:44:50,350 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 03:44:50,351 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 03:44:50,351 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 03:44:50,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 03:44:50,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 03:44:50,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 03:44:50,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 03:44:50,352 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 03:44:50,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 03:44:50,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 03:44:50,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 03:44:50,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 03:44:50,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 03:44:50,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 03:44:50,352 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-10 03:44:50,352 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-10 03:44:50,352 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 03:44:50,352 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-10 03:44:50,352 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 03:44:50,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 03:44:50,352 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 03:44:50,352 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 03:44:50,352 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 03:44:50,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 03:44:50,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 03:44:50,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 03:44:50,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 03:44:50,353 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 03:44:50,353 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 03:44:50,353 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 03:44:50,353 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 03:44:50,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 03:44:50,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 03:44:50,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 03:44:50,353 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 03:44:50,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 03:44:50,353 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-10 03:44:50,353 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-10 03:44:50,353 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 03:44:50,353 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 03:44:50,353 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 03:44:50,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 03:44:50,353 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 -> 8bd35fe60d7d71b931d1f92a311c4613cc75e1ed53b14f1a9dc9b39dad1e07a2 [2025-01-10 03:44:50,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 03:44:50,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 03:44:50,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 03:44:50,643 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 03:44:50,644 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 03:44:50,646 INFO L431 ainManager$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_32_bad.i [2025-01-10 03:44:51,896 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7b45e29b/97ea68dd21a64b8990ff98bcd8969827/FLAGc5dd91286 [2025-01-10 03:44:52,265 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 03:44:52,267 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_32_bad.i [2025-01-10 03:44:52,291 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7b45e29b/97ea68dd21a64b8990ff98bcd8969827/FLAGc5dd91286 [2025-01-10 03:44:52,303 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7b45e29b/97ea68dd21a64b8990ff98bcd8969827 [2025-01-10 03:44:52,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 03:44:52,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 03:44:52,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 03:44:52,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 03:44:52,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 03:44:52,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:44:52" (1/1) ... [2025-01-10 03:44:52,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bdb6da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:52, skipping insertion in model container [2025-01-10 03:44:52,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:44:52" (1/1) ... [2025-01-10 03:44:52,340 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 03:44:52,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 03:44:52,888 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 03:44:52,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 03:44:53,061 INFO L204 MainTranslator]: Completed translation [2025-01-10 03:44:53,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:53 WrapperNode [2025-01-10 03:44:53,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 03:44:53,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 03:44:53,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 03:44:53,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 03:44:53,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:53" (1/1) ... [2025-01-10 03:44:53,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:53" (1/1) ... [2025-01-10 03:44:53,114 INFO L138 Inliner]: procedures = 503, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2025-01-10 03:44:53,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 03:44:53,116 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 03:44:53,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 03:44:53,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 03:44:53,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:53" (1/1) ... [2025-01-10 03:44:53,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:53" (1/1) ... [2025-01-10 03:44:53,128 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:53" (1/1) ... [2025-01-10 03:44:53,139 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [1, 4]. 80 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 03:44:53,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:53" (1/1) ... [2025-01-10 03:44:53,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:53" (1/1) ... [2025-01-10 03:44:53,146 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:53" (1/1) ... [2025-01-10 03:44:53,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:53" (1/1) ... [2025-01-10 03:44:53,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:53" (1/1) ... [2025-01-10 03:44:53,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:53" (1/1) ... [2025-01-10 03:44:53,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:53" (1/1) ... [2025-01-10 03:44:53,162 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 03:44:53,163 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 03:44:53,163 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 03:44:53,163 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 03:44:53,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:53" (1/1) ... [2025-01-10 03:44:53,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 03:44:53,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 03:44:53,193 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 03:44:53,196 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 03:44:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-01-10 03:44:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-01-10 03:44:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 03:44:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-10 03:44:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-01-10 03:44:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 03:44:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 03:44:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 03:44:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-01-10 03:44:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-01-10 03:44:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 03:44:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-01-10 03:44:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-01-10 03:44:53,381 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 03:44:53,383 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 03:44:53,617 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2025-01-10 03:44:53,618 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 03:44:53,628 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 03:44:53,633 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 03:44:53,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:44:53 BoogieIcfgContainer [2025-01-10 03:44:53,633 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 03:44:53,635 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 03:44:53,635 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 03:44:53,642 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 03:44:53,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 03:44:52" (1/3) ... [2025-01-10 03:44:53,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8bbaae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:44:53, skipping insertion in model container [2025-01-10 03:44:53,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:44:53" (2/3) ... [2025-01-10 03:44:53,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8bbaae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:44:53, skipping insertion in model container [2025-01-10 03:44:53,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:44:53" (3/3) ... [2025-01-10 03:44:53,648 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_32_bad.i [2025-01-10 03:44:53,671 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 03:44:53,673 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_32_bad.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-01-10 03:44:53,747 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 03:44:53,768 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;@3e51236b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 03:44:53,768 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-10 03:44:53,770 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 03:44:53,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 03:44:53,774 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 03:44:53,775 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 03:44:53,776 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 03:44:53,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 03:44:53,780 INFO L85 PathProgramCache]: Analyzing trace with hash 252523526, now seen corresponding path program 1 times [2025-01-10 03:44:53,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-10 03:44:53,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1256853238] [2025-01-10 03:44:53,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 03:44:53,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 03:44:53,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 03:44:53,794 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 03:44:53,799 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 03:44:53,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 03:44:53,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 03:44:53,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 03:44:53,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 03:44:53,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 03:44:53,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 03:44:53,974 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 03:44:53,974 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 03:44:53,975 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-10 03:44:53,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256853238] [2025-01-10 03:44:53,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256853238] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 03:44:53,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 03:44:53,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 03:44:53,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731005014] [2025-01-10 03:44:53,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 03:44:53,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 03:44:53,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-10 03:44:53,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 03:44:53,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 03:44:53,991 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 03:44:54,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 03:44:54,019 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2025-01-10 03:44:54,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 03:44:54,021 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 03:44:54,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 03:44:54,024 INFO L225 Difference]: With dead ends: 24 [2025-01-10 03:44:54,024 INFO L226 Difference]: Without dead ends: 15 [2025-01-10 03:44:54,026 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 03:44:54,028 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 03:44:54,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 42 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 03:44:54,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2025-01-10 03:44:54,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2025-01-10 03:44:54,047 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 03:44:54,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2025-01-10 03:44:54,049 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2025-01-10 03:44:54,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 03:44:54,050 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-01-10 03:44:54,050 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 03:44:54,050 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2025-01-10 03:44:54,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 03:44:54,051 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 03:44:54,051 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 03:44:54,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-10 03:44:54,255 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 03:44:54,256 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 03:44:54,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 03:44:54,257 INFO L85 PathProgramCache]: Analyzing trace with hash -761705229, now seen corresponding path program 1 times [2025-01-10 03:44:54,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-10 03:44:54,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1108571498] [2025-01-10 03:44:54,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 03:44:54,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 03:44:54,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 03:44:54,261 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 03:44:54,262 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 03:44:54,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 03:44:54,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 03:44:54,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 03:44:54,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 03:44:54,371 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 03:44:54,387 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 03:44:54,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 03:44:54,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 03:44:54,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 03:44:54,431 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-01-10 03:44:54,432 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-10 03:44:54,433 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-01-10 03:44:54,434 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-01-10 03:44:54,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 03:44:54,638 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 03:44:54,641 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-10 03:44:54,655 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 03:44:54,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:44:54 BoogieIcfgContainer [2025-01-10 03:44:54,657 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 03:44:54,658 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 03:44:54,658 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 03:44:54,658 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 03:44:54,658 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:44:53" (3/4) ... [2025-01-10 03:44:54,660 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-10 03:44:54,660 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 03:44:54,661 INFO L158 Benchmark]: Toolchain (without parser) took 2355.41ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 88.6MB in the beginning and 161.6MB in the end (delta: -72.9MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2025-01-10 03:44:54,661 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 03:44:54,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 756.19ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 68.3MB in the end (delta: 20.2MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2025-01-10 03:44:54,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.35ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 65.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 03:44:54,662 INFO L158 Benchmark]: Boogie Preprocessor took 45.74ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 62.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 03:44:54,662 INFO L158 Benchmark]: RCFGBuilder took 470.56ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 48.1MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 03:44:54,662 INFO L158 Benchmark]: TraceAbstraction took 1022.54ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 47.6MB in the beginning and 162.3MB in the end (delta: -114.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 03:44:54,662 INFO L158 Benchmark]: Witness Printer took 2.97ms. Allocated memory is still 218.1MB. Free memory was 162.3MB in the beginning and 161.6MB in the end (delta: 706.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 03:44:54,663 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 756.19ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 68.3MB in the end (delta: 20.2MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.35ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 65.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.74ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 62.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 470.56ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 48.1MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1022.54ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 47.6MB in the beginning and 162.3MB in the end (delta: -114.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.97ms. Allocated memory is still 218.1MB. Free memory was 162.3MB in the beginning and 161.6MB in the end (delta: 706.8kB). 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of fgets at line 1558. 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] [L1581] 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) [L1581] 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] [L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataPtr1={5:0}, dataPtr2={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] *dataPtr1 = data [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1571] 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] [L1573] 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: 1573]: 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: 0.9s, 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, 42 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 10 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, 87 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 03:44:54,676 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