./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd --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 0aa9550d019c11f10948fcb1b55fe6cfd4d8dee2c3358905f9b702698c5c7c4c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:42:16,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:42:16,390 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 13:42:16,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:42:16,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:42:16,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:42:16,429 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:42:16,429 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:42:16,430 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:42:16,430 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:42:16,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:42:16,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:42:16,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:42:16,431 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:42:16,431 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:42:16,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:42:16,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:42:16,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:42:16,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:42:16,432 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:42:16,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:42:16,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:42:16,432 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:42:16,432 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:42:16,433 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:42:16,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:42:16,433 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:42:16,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:42:16,433 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:42:16,433 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:42:16,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:42:16,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:42:16,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:42:16,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:42:16,434 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:42:16,434 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:42:16,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:42:16,434 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:42:16,435 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:42:16,435 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:42:16,435 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:42:16,435 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd 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 -> 0aa9550d019c11f10948fcb1b55fe6cfd4d8dee2c3358905f9b702698c5c7c4c [2024-11-13 13:42:16,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:42:16,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:42:16,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:42:16,791 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:42:16,792 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:42:16,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i Unable to find full path for "g++" [2024-11-13 13:42:18,681 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:42:19,157 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:42:19,158 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i [2024-11-13 13:42:19,182 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/data/33483da85/1f9321783d434f8bb92621156cac890a/FLAGb86b6f5df [2024-11-13 13:42:19,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/data/33483da85/1f9321783d434f8bb92621156cac890a [2024-11-13 13:42:19,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:42:19,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:42:19,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:42:19,202 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:42:19,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:42:19,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:42:19" (1/1) ... [2024-11-13 13:42:19,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff50af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:19, skipping insertion in model container [2024-11-13 13:42:19,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:42:19" (1/1) ... [2024-11-13 13:42:19,254 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:42:20,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:42:20,245 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:42:20,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:42:20,526 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:42:20,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:20 WrapperNode [2024-11-13 13:42:20,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:42:20,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:42:20,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:42:20,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:42:20,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:20" (1/1) ... [2024-11-13 13:42:20,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:20" (1/1) ... [2024-11-13 13:42:20,602 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-13 13:42:20,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:42:20,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:42:20,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:42:20,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:42:20,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:20" (1/1) ... [2024-11-13 13:42:20,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:20" (1/1) ... [2024-11-13 13:42:20,615 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:20" (1/1) ... [2024-11-13 13:42:20,631 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-13 13:42:20,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:20" (1/1) ... [2024-11-13 13:42:20,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:20" (1/1) ... [2024-11-13 13:42:20,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:20" (1/1) ... [2024-11-13 13:42:20,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:20" (1/1) ... [2024-11-13 13:42:20,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:20" (1/1) ... [2024-11-13 13:42:20,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:20" (1/1) ... [2024-11-13 13:42:20,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:42:20,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:42:20,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:42:20,644 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:42:20,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:20" (1/1) ... [2024-11-13 13:42:20,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:42:20,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:42:20,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:42:20,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:42:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 13:42:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 13:42:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:42:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:42:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:42:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:42:20,856 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:42:20,857 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:42:20,986 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 13:42:20,986 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:42:20,995 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:42:20,995 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:42:20,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:42:20 BoogieIcfgContainer [2024-11-13 13:42:20,995 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:42:20,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:42:20,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:42:21,002 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:42:21,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:42:19" (1/3) ... [2024-11-13 13:42:21,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a259f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:42:21, skipping insertion in model container [2024-11-13 13:42:21,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:20" (2/3) ... [2024-11-13 13:42:21,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a259f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:42:21, skipping insertion in model container [2024-11-13 13:42:21,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:42:20" (3/3) ... [2024-11-13 13:42:21,005 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i [2024-11-13 13:42:21,021 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:42:21,023 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 13:42:21,076 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:42:21,089 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;@663bdeca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:42:21,089 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 13:42:21,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 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) [2024-11-13 13:42:21,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 13:42:21,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:42:21,101 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:42:21,102 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:42:21,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:42:21,107 INFO L85 PathProgramCache]: Analyzing trace with hash 420408873, now seen corresponding path program 1 times [2024-11-13 13:42:21,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:42:21,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663730245] [2024-11-13 13:42:21,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:21,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:42:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:42:21,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:42:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:42:21,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:42:21,341 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:42:21,342 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 13:42:21,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 13:42:21,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:42:21,349 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 13:42:21,374 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:42:21,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:42:21 BoogieIcfgContainer [2024-11-13 13:42:21,377 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:42:21,378 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:42:21,378 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:42:21,378 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:42:21,379 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:42:20" (3/4) ... [2024-11-13 13:42:21,381 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:42:21,382 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:42:21,383 INFO L158 Benchmark]: Toolchain (without parser) took 2183.07ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 72.9MB in the end (delta: 43.0MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-13 13:42:21,384 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:42:21,384 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1326.86ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 107.2MB in the end (delta: 8.7MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 13:42:21,384 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.51ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 104.7MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:42:21,385 INFO L158 Benchmark]: Boogie Preprocessor took 39.79ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 102.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:42:21,385 INFO L158 Benchmark]: RCFGBuilder took 351.71ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 90.2MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:42:21,386 INFO L158 Benchmark]: TraceAbstraction took 379.57ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 73.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:42:21,386 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 72.9MB in the end (delta: 606.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:42:21,388 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1326.86ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 107.2MB in the end (delta: 8.7MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.51ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 104.7MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.79ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 102.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 351.71ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 90.2MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 379.57ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 73.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 72.9MB in the end (delta: 606.3kB). 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: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of large string literal at line 1572, overapproximation of fgets at line 1554. 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] [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_fgets_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1563] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] 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: 1565]: 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 13:42:21,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/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: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd --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 0aa9550d019c11f10948fcb1b55fe6cfd4d8dee2c3358905f9b702698c5c7c4c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:42:24,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:42:24,473 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 13:42:24,484 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:42:24,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:42:24,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 13:42:24,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:42:24,524 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:42:24,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:42:24,525 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:42:24,527 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:42:24,527 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:42:24,527 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:42:24,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:42:24,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:42:24,528 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:42:24,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:42:24,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:42:24,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:42:24,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:42:24,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:42:24,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:42:24,529 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:42:24,530 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:42:24,530 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:42:24,530 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:42:24,530 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:42:24,530 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:42:24,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:42:24,531 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:42:24,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:42:24,532 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:42:24,532 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:42:24,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:42:24,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:42:24,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:42:24,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:42:24,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:42:24,533 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:42:24,533 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:42:24,533 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:42:24,533 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:42:24,533 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:42:24,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:42:24,533 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd 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 -> 0aa9550d019c11f10948fcb1b55fe6cfd4d8dee2c3358905f9b702698c5c7c4c [2024-11-13 13:42:24,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:42:24,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:42:24,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:42:24,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:42:24,887 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:42:24,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i Unable to find full path for "g++" [2024-11-13 13:42:26,949 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:42:27,378 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:42:27,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i [2024-11-13 13:42:27,404 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/data/c2dd5276c/3b45d3aadd1b4f41b4c28f9e97b79b22/FLAG583eec42f [2024-11-13 13:42:27,526 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/data/c2dd5276c/3b45d3aadd1b4f41b4c28f9e97b79b22 [2024-11-13 13:42:27,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:42:27,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:42:27,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:42:27,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:42:27,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:42:27,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:42:27" (1/1) ... [2024-11-13 13:42:27,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f2692b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:27, skipping insertion in model container [2024-11-13 13:42:27,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:42:27" (1/1) ... [2024-11-13 13:42:27,618 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:42:28,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:42:28,670 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:42:28,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:42:28,985 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:42:28,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:28 WrapperNode [2024-11-13 13:42:28,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:42:28,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:42:28,987 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:42:28,987 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:42:28,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:28" (1/1) ... [2024-11-13 13:42:29,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:28" (1/1) ... [2024-11-13 13:42:29,032 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-13 13:42:29,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:42:29,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:42:29,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:42:29,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:42:29,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:28" (1/1) ... [2024-11-13 13:42:29,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:28" (1/1) ... [2024-11-13 13:42:29,045 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:28" (1/1) ... [2024-11-13 13:42:29,058 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-13 13:42:29,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:28" (1/1) ... [2024-11-13 13:42:29,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:28" (1/1) ... [2024-11-13 13:42:29,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:28" (1/1) ... [2024-11-13 13:42:29,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:28" (1/1) ... [2024-11-13 13:42:29,070 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:28" (1/1) ... [2024-11-13 13:42:29,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:28" (1/1) ... [2024-11-13 13:42:29,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:42:29,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:42:29,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:42:29,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:42:29,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:28" (1/1) ... [2024-11-13 13:42:29,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:42:29,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:42:29,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:42:29,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:42:29,138 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 13:42:29,139 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 13:42:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:42:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:42:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:42:29,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:42:29,299 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:42:29,300 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:42:29,492 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 13:42:29,493 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:42:29,503 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:42:29,504 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:42:29,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:42:29 BoogieIcfgContainer [2024-11-13 13:42:29,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:42:29,507 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:42:29,507 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:42:29,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:42:29,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:42:27" (1/3) ... [2024-11-13 13:42:29,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f55d80c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:42:29, skipping insertion in model container [2024-11-13 13:42:29,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:28" (2/3) ... [2024-11-13 13:42:29,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f55d80c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:42:29, skipping insertion in model container [2024-11-13 13:42:29,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:42:29" (3/3) ... [2024-11-13 13:42:29,516 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i [2024-11-13 13:42:29,532 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:42:29,535 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 13:42:29,612 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:42:29,632 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;@414fc4b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:42:29,632 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 13:42:29,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 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) [2024-11-13 13:42:29,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 13:42:29,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:42:29,647 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:42:29,648 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:42:29,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:42:29,657 INFO L85 PathProgramCache]: Analyzing trace with hash 420408873, now seen corresponding path program 1 times [2024-11-13 13:42:29,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:42:29,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1038891344] [2024-11-13 13:42:29,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:29,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:42:29,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:42:29,678 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:42:29,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:42:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:42:29,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:42:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:42:29,934 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 13:42:29,936 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:42:29,937 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 13:42:29,940 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 13:42:29,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:42:30,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:42:30,145 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 13:42:30,165 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:42:30,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:42:30 BoogieIcfgContainer [2024-11-13 13:42:30,169 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:42:30,169 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:42:30,169 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:42:30,169 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:42:30,172 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:42:29" (3/4) ... [2024-11-13 13:42:30,174 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:42:30,175 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:42:30,176 INFO L158 Benchmark]: Toolchain (without parser) took 2643.84ms. Allocated memory is still 83.9MB. Free memory was 57.6MB in the beginning and 39.4MB in the end (delta: 18.2MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-11-13 13:42:30,178 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory was 65.1MB in the beginning and 65.0MB in the end (delta: 37.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:42:30,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1451.65ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 51.6MB in the end (delta: 5.6MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-13 13:42:30,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.04ms. Allocated memory is still 83.9MB. Free memory was 51.6MB in the beginning and 48.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:42:30,180 INFO L158 Benchmark]: Boogie Preprocessor took 41.22ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 46.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:42:30,181 INFO L158 Benchmark]: RCFGBuilder took 429.19ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 33.2MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:42:30,182 INFO L158 Benchmark]: TraceAbstraction took 662.13ms. Allocated memory is still 83.9MB. Free memory was 32.4MB in the beginning and 39.4MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:42:30,182 INFO L158 Benchmark]: Witness Printer took 5.49ms. Allocated memory is still 83.9MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:42:30,184 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory was 65.1MB in the beginning and 65.0MB in the end (delta: 37.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1451.65ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 51.6MB in the end (delta: 5.6MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.04ms. Allocated memory is still 83.9MB. Free memory was 51.6MB in the beginning and 48.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.22ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 46.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 429.19ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 33.2MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 662.13ms. Allocated memory is still 83.9MB. Free memory was 32.4MB in the beginning and 39.4MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.49ms. Allocated memory is still 83.9MB. Free memory is still 39.4MB. 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: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of large string literal at line 1572, overapproximation of fgets at line 1554. 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] [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_fgets_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1563] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] 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: 1565]: 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 13:42:30,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249d69e2-21c4-4fe9-afaa-69150657dccb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample