./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_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_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/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_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/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_8c38dee6-b0c1-4c63-8591-a13c3a510520/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 b69e52373800ace7f1d37835a42b663b5d9a81e3df8c44127a6773368d5f444f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:26:41,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:26:41,581 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 15:26:41,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:26:41,588 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:26:41,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:26:41,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:26:41,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:26:41,631 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:26:41,631 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:26:41,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:26:41,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:26:41,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:26:41,633 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:26:41,633 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:26:41,633 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:26:41,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:26:41,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:26:41,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:26:41,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:26:41,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:26:41,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:26:41,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:26:41,634 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:26:41,634 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:26:41,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:26:41,634 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:26:41,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:26:41,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:26:41,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:26:41,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:26:41,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:26:41,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:26:41,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:26:41,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:26:41,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:26:41,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:26:41,635 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:26:41,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:26:41,636 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:26:41,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:26:41,636 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_8c38dee6-b0c1-4c63-8591-a13c3a510520/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 -> b69e52373800ace7f1d37835a42b663b5d9a81e3df8c44127a6773368d5f444f [2024-11-13 15:26:42,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:26:42,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:26:42,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:26:42,026 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:26:42,026 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:26:42,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i Unable to find full path for "g++" [2024-11-13 15:26:44,052 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:26:44,587 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:26:44,587 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i [2024-11-13 15:26:44,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/data/438391415/6f4a308efb1344db9b4ae2b02a0a7425/FLAG37936ea30 [2024-11-13 15:26:45,119 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/data/438391415/6f4a308efb1344db9b4ae2b02a0a7425 [2024-11-13 15:26:45,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:26:45,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:26:45,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:26:45,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:26:45,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:26:45,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:26:45" (1/1) ... [2024-11-13 15:26:45,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330f55db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:45, skipping insertion in model container [2024-11-13 15:26:45,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:26:45" (1/1) ... [2024-11-13 15:26:45,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:26:46,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:26:46,116 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:26:46,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:26:46,376 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:26:46,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:46 WrapperNode [2024-11-13 15:26:46,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:26:46,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:26:46,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:26:46,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:26:46,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:46" (1/1) ... [2024-11-13 15:26:46,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:46" (1/1) ... [2024-11-13 15:26:46,428 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 47 [2024-11-13 15:26:46,428 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:26:46,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:26:46,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:26:46,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:26:46,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:46" (1/1) ... [2024-11-13 15:26:46,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:46" (1/1) ... [2024-11-13 15:26:46,443 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:46" (1/1) ... [2024-11-13 15:26:46,455 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 15:26:46,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:46" (1/1) ... [2024-11-13 15:26:46,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:46" (1/1) ... [2024-11-13 15:26:46,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:46" (1/1) ... [2024-11-13 15:26:46,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:46" (1/1) ... [2024-11-13 15:26:46,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:46" (1/1) ... [2024-11-13 15:26:46,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:46" (1/1) ... [2024-11-13 15:26:46,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:26:46,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:26:46,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:26:46,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:26:46,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:46" (1/1) ... [2024-11-13 15:26:46,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:26:46,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:26:46,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:26:46,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:26:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 15:26:46,540 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 15:26:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:26:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:26:46,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:26:46,689 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:26:46,691 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:26:46,778 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 15:26:46,778 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:26:46,787 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:26:46,788 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:26:46,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:26:46 BoogieIcfgContainer [2024-11-13 15:26:46,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:26:46,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:26:46,791 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:26:46,795 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:26:46,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:26:45" (1/3) ... [2024-11-13 15:26:46,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49796667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:26:46, skipping insertion in model container [2024-11-13 15:26:46,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:46" (2/3) ... [2024-11-13 15:26:46,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49796667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:26:46, skipping insertion in model container [2024-11-13 15:26:46,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:26:46" (3/3) ... [2024-11-13 15:26:46,797 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i [2024-11-13 15:26:46,813 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:26:46,814 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i that has 2 procedures, 22 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 15:26:46,864 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:26:46,876 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;@430cb485, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:26:46,876 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 15:26:46,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 15:26:46,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 15:26:46,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:26:46,887 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:26:46,887 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 15:26:46,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:26:46,892 INFO L85 PathProgramCache]: Analyzing trace with hash 993488621, now seen corresponding path program 1 times [2024-11-13 15:26:46,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:26:46,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299408875] [2024-11-13 15:26:46,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:26:46,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:26:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:26:47,004 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:26:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:26:47,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:26:47,063 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:26:47,065 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 15:26:47,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 15:26:47,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:26:47,076 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 15:26:47,107 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:26:47,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:26:47 BoogieIcfgContainer [2024-11-13 15:26:47,114 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:26:47,115 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:26:47,115 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:26:47,115 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:26:47,116 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:26:46" (3/4) ... [2024-11-13 15:26:47,118 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:26:47,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:26:47,121 INFO L158 Benchmark]: Toolchain (without parser) took 1996.63ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 52.9MB in the end (delta: 38.7MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-13 15:26:47,123 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:26:47,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1253.26ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 83.1MB in the end (delta: 8.2MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 15:26:47,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.86ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 80.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:26:47,124 INFO L158 Benchmark]: Boogie Preprocessor took 39.81ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:26:47,124 INFO L158 Benchmark]: RCFGBuilder took 314.52ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 67.5MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:26:47,125 INFO L158 Benchmark]: TraceAbstraction took 323.94ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 52.9MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:26:47,125 INFO L158 Benchmark]: Witness Printer took 4.49ms. Allocated memory is still 117.4MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:26:47,127 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1253.26ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 83.1MB in the end (delta: 8.2MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.86ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 80.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.81ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 314.52ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 67.5MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 323.94ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 52.9MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.49ms. Allocated memory is still 117.4MB. Free memory is still 52.9MB. 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 large string literal at line 1559. 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] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_52c_badSink(data) [L1571] 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] [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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 10 NumberOfCodeBlocks, 10 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 15:26:47,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/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_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/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_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/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_8c38dee6-b0c1-4c63-8591-a13c3a510520/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 b69e52373800ace7f1d37835a42b663b5d9a81e3df8c44127a6773368d5f444f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:26:49,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:26:50,042 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 15:26:50,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:26:50,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:26:50,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 15:26:50,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:26:50,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:26:50,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:26:50,079 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:26:50,079 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:26:50,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:26:50,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:26:50,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:26:50,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:26:50,080 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:26:50,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:26:50,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:26:50,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:26:50,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:26:50,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:26:50,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:26:50,081 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:26:50,081 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:26:50,081 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:26:50,081 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:26:50,081 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:26:50,081 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:26:50,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:26:50,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:26:50,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:26:50,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:26:50,082 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:26:50,082 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:26:50,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:26:50,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:26:50,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:26:50,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:26:50,083 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:26:50,083 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:26:50,083 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:26:50,083 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:26:50,083 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:26:50,083 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:26:50,084 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_8c38dee6-b0c1-4c63-8591-a13c3a510520/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 -> b69e52373800ace7f1d37835a42b663b5d9a81e3df8c44127a6773368d5f444f [2024-11-13 15:26:50,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:26:50,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:26:50,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:26:50,387 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:26:50,387 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:26:50,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i Unable to find full path for "g++" [2024-11-13 15:26:52,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:26:52,960 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:26:52,963 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i [2024-11-13 15:26:53,002 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/data/102f60012/40905e18e24d413781ce5243dfe1614f/FLAGbe0adf269 [2024-11-13 15:26:53,028 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/data/102f60012/40905e18e24d413781ce5243dfe1614f [2024-11-13 15:26:53,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:26:53,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:26:53,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:26:53,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:26:53,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:26:53,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:26:53" (1/1) ... [2024-11-13 15:26:53,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74011ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:53, skipping insertion in model container [2024-11-13 15:26:53,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:26:53" (1/1) ... [2024-11-13 15:26:53,107 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:26:54,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:26:54,318 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:26:54,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:26:54,660 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:26:54,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:54 WrapperNode [2024-11-13 15:26:54,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:26:54,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:26:54,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:26:54,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:26:54,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:54" (1/1) ... [2024-11-13 15:26:54,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:54" (1/1) ... [2024-11-13 15:26:54,714 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 46 [2024-11-13 15:26:54,715 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:26:54,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:26:54,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:26:54,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:26:54,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:54" (1/1) ... [2024-11-13 15:26:54,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:54" (1/1) ... [2024-11-13 15:26:54,727 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:54" (1/1) ... [2024-11-13 15:26:54,735 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 15:26:54,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:54" (1/1) ... [2024-11-13 15:26:54,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:54" (1/1) ... [2024-11-13 15:26:54,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:54" (1/1) ... [2024-11-13 15:26:54,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:54" (1/1) ... [2024-11-13 15:26:54,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:54" (1/1) ... [2024-11-13 15:26:54,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:54" (1/1) ... [2024-11-13 15:26:54,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:26:54,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:26:54,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:26:54,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:26:54,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:54" (1/1) ... [2024-11-13 15:26:54,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:26:54,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:26:54,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:26:54,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:26:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 15:26:54,819 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 15:26:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:26:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:26:54,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:26:54,987 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:26:54,990 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:26:55,119 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 15:26:55,120 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:26:55,129 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:26:55,129 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:26:55,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:26:55 BoogieIcfgContainer [2024-11-13 15:26:55,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:26:55,133 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:26:55,133 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:26:55,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:26:55,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:26:53" (1/3) ... [2024-11-13 15:26:55,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121f36dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:26:55, skipping insertion in model container [2024-11-13 15:26:55,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:26:54" (2/3) ... [2024-11-13 15:26:55,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121f36dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:26:55, skipping insertion in model container [2024-11-13 15:26:55,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:26:55" (3/3) ... [2024-11-13 15:26:55,140 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i [2024-11-13 15:26:55,157 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:26:55,158 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i that has 2 procedures, 22 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 15:26:55,245 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:26:55,258 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;@66952332, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:26:55,258 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 15:26:55,262 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 15:26:55,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 15:26:55,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:26:55,270 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:26:55,270 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 15:26:55,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:26:55,275 INFO L85 PathProgramCache]: Analyzing trace with hash 993488621, now seen corresponding path program 1 times [2024-11-13 15:26:55,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:26:55,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [562786523] [2024-11-13 15:26:55,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:26:55,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:26:55,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:26:55,291 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:26:55,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:26:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:26:55,432 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:26:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:26:55,496 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 15:26:55,498 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:26:55,499 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 15:26:55,502 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 15:26:55,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:26:55,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:26:55,707 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 15:26:55,738 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:26:55,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:26:55 BoogieIcfgContainer [2024-11-13 15:26:55,742 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:26:55,743 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:26:55,743 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:26:55,743 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:26:55,744 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:26:55" (3/4) ... [2024-11-13 15:26:55,746 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:26:55,747 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:26:55,748 INFO L158 Benchmark]: Toolchain (without parser) took 2714.50ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 43.2MB in the end (delta: 13.7MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-11-13 15:26:55,748 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:26:55,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1623.54ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 51.0MB in the end (delta: 5.8MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-13 15:26:55,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.44ms. Allocated memory is still 83.9MB. Free memory was 51.0MB in the beginning and 48.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:26:55,749 INFO L158 Benchmark]: Boogie Preprocessor took 33.96ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:26:55,749 INFO L158 Benchmark]: RCFGBuilder took 380.00ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 34.4MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:26:55,750 INFO L158 Benchmark]: TraceAbstraction took 609.64ms. Allocated memory is still 83.9MB. Free memory was 33.7MB in the beginning and 43.6MB in the end (delta: -9.9MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2024-11-13 15:26:55,750 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 43.2MB in the end (delta: 415.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:26:55,752 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1623.54ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 51.0MB in the end (delta: 5.8MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.44ms. Allocated memory is still 83.9MB. Free memory was 51.0MB in the beginning and 48.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.96ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 380.00ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 34.4MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 609.64ms. Allocated memory is still 83.9MB. Free memory was 33.7MB in the beginning and 43.6MB in the end (delta: -9.9MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 43.2MB in the end (delta: 415.0kB). 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 large string literal at line 1559. 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] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_52c_badSink(data) [L1571] 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] [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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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=22occurred 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, 10 NumberOfCodeBlocks, 10 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 15:26:55,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c38dee6-b0c1-4c63-8591-a13c3a510520/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