./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX --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 88575518a2e68294d424ec3ce80a1f2534c398b324c7b41c48d87c5b1025c3fd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:43:17,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:43:17,356 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 16:43:17,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:43:17,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:43:17,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:43:17,387 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:43:17,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:43:17,388 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:43:17,389 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:43:17,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:43:17,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:43:17,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:43:17,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:43:17,391 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:43:17,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:43:17,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:43:17,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:43:17,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:43:17,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:43:17,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:43:17,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:43:17,395 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:43:17,396 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:43:17,396 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:43:17,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:43:17,397 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:43:17,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:43:17,397 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:43:17,398 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:43:17,398 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:43:17,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:43:17,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:43:17,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:43:17,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:43:17,400 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:43:17,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:43:17,401 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:43:17,401 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:43:17,402 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:43:17,402 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:43:17,403 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88575518a2e68294d424ec3ce80a1f2534c398b324c7b41c48d87c5b1025c3fd [2024-11-08 16:43:17,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:43:17,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:43:17,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:43:17,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:43:17,727 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:43:17,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_42_bad.i Unable to find full path for "g++" [2024-11-08 16:43:19,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:43:20,107 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:43:20,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_42_bad.i [2024-11-08 16:43:20,137 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/data/29af69afe/77bfb840fd2a4338a66e0d050d4577d7/FLAGb5a837ea9 [2024-11-08 16:43:20,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/data/29af69afe/77bfb840fd2a4338a66e0d050d4577d7 [2024-11-08 16:43:20,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:43:20,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:43:20,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:43:20,308 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:43:20,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:43:20,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:43:20" (1/1) ... [2024-11-08 16:43:20,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1511bba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:20, skipping insertion in model container [2024-11-08 16:43:20,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:43:20" (1/1) ... [2024-11-08 16:43:20,394 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:43:21,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:43:21,455 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:43:21,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:43:21,785 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:43:21,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:21 WrapperNode [2024-11-08 16:43:21,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:43:21,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:43:21,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:43:21,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:43:21,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:21" (1/1) ... [2024-11-08 16:43:21,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:21" (1/1) ... [2024-11-08 16:43:21,866 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-11-08 16:43:21,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:43:21,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:43:21,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:43:21,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:43:21,880 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:21" (1/1) ... [2024-11-08 16:43:21,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:21" (1/1) ... [2024-11-08 16:43:21,889 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:21" (1/1) ... [2024-11-08 16:43:21,907 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:43:21,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:21" (1/1) ... [2024-11-08 16:43:21,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:21" (1/1) ... [2024-11-08 16:43:21,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:21" (1/1) ... [2024-11-08 16:43:21,924 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:21" (1/1) ... [2024-11-08 16:43:21,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:21" (1/1) ... [2024-11-08 16:43:21,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:21" (1/1) ... [2024-11-08 16:43:21,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:43:21,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:43:21,933 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:43:21,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:43:21,934 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:21" (1/1) ... [2024-11-08 16:43:21,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:43:21,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:43:21,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:43:21,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:43:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:43:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:43:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:43:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:43:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:43:22,184 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:43:22,186 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:43:22,303 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 16:43:22,303 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:43:22,319 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:43:22,319 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:43:22,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:43:22 BoogieIcfgContainer [2024-11-08 16:43:22,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:43:22,322 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:43:22,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:43:22,326 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:43:22,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:43:20" (1/3) ... [2024-11-08 16:43:22,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457c5751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:43:22, skipping insertion in model container [2024-11-08 16:43:22,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:21" (2/3) ... [2024-11-08 16:43:22,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457c5751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:43:22, skipping insertion in model container [2024-11-08 16:43:22,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:43:22" (3/3) ... [2024-11-08 16:43:22,333 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_42_bad.i [2024-11-08 16:43:22,352 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:43:22,353 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:43:22,427 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:43:22,434 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;@2fbfa84e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:43:22,434 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:43:22,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 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) [2024-11-08 16:43:22,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 16:43:22,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:43:22,446 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:43:22,447 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:43:22,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:43:22,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1678509595, now seen corresponding path program 1 times [2024-11-08 16:43:22,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:43:22,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696512603] [2024-11-08 16:43:22,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:43:22,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:43:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:43:22,664 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:43:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:43:22,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:43:22,737 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:43:22,739 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:43:22,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:43:22,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:43:22,748 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:43:22,783 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:43:22,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:43:22 BoogieIcfgContainer [2024-11-08 16:43:22,786 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:43:22,787 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:43:22,787 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:43:22,788 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:43:22,788 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:43:22" (3/4) ... [2024-11-08 16:43:22,791 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:43:22,792 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:43:22,794 INFO L158 Benchmark]: Toolchain (without parser) took 2487.26ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 85.5MB in the beginning and 63.2MB in the end (delta: 22.3MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2024-11-08 16:43:22,794 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:43:22,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1478.72ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 85.1MB in the beginning and 97.9MB in the end (delta: -12.8MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2024-11-08 16:43:22,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.44ms. Allocated memory is still 161.5MB. Free memory was 97.9MB in the beginning and 94.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:43:22,797 INFO L158 Benchmark]: Boogie Preprocessor took 64.66ms. Allocated memory is still 161.5MB. Free memory was 94.7MB in the beginning and 92.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:43:22,797 INFO L158 Benchmark]: RCFGBuilder took 387.36ms. Allocated memory is still 161.5MB. Free memory was 92.6MB in the beginning and 80.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 16:43:22,798 INFO L158 Benchmark]: TraceAbstraction took 464.05ms. Allocated memory is still 161.5MB. Free memory was 80.0MB in the beginning and 63.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 16:43:22,799 INFO L158 Benchmark]: Witness Printer took 5.39ms. Allocated memory is still 161.5MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:43:22,805 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1478.72ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 85.1MB in the beginning and 97.9MB in the end (delta: -12.8MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.44ms. Allocated memory is still 161.5MB. Free memory was 97.9MB in the beginning and 94.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.66ms. Allocated memory is still 161.5MB. Free memory was 94.7MB in the beginning and 92.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 387.36ms. Allocated memory is still 161.5MB. Free memory was 92.6MB in the beginning and 80.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 464.05ms. Allocated memory is still 161.5MB. Free memory was 80.0MB in the beginning and 63.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.39ms. Allocated memory is still 161.5MB. Free memory is still 63.2MB. 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: 1559]: 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 1566. 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] [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1551] return data; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] data - 1 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: 1559]: 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, 20 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=20occurred 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, 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 [2024-11-08 16:43:22,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX --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 88575518a2e68294d424ec3ce80a1f2534c398b324c7b41c48d87c5b1025c3fd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:43:25,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:43:25,366 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 16:43:25,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:43:25,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:43:25,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 16:43:25,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:43:25,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:43:25,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:43:25,415 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:43:25,416 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:43:25,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:43:25,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:43:25,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:43:25,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:43:25,419 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:43:25,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:43:25,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:43:25,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:43:25,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:43:25,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:43:25,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:43:25,428 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:43:25,428 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:43:25,429 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:43:25,429 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:43:25,429 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:43:25,429 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:43:25,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:43:25,430 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:43:25,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:43:25,430 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:43:25,431 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:43:25,431 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:43:25,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:43:25,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:43:25,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:43:25,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:43:25,436 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:43:25,437 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:43:25,437 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:43:25,438 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:43:25,438 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:43:25,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:43:25,448 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88575518a2e68294d424ec3ce80a1f2534c398b324c7b41c48d87c5b1025c3fd [2024-11-08 16:43:25,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:43:25,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:43:25,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:43:25,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:43:25,861 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:43:25,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_42_bad.i Unable to find full path for "g++" [2024-11-08 16:43:27,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:43:28,365 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:43:28,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_42_bad.i [2024-11-08 16:43:28,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/data/53a4c06cc/6beb8d2bc40e492c8730af3fc1a74f50/FLAGe23151d0a [2024-11-08 16:43:28,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/data/53a4c06cc/6beb8d2bc40e492c8730af3fc1a74f50 [2024-11-08 16:43:28,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:43:28,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:43:28,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:43:28,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:43:28,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:43:28,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:43:28" (1/1) ... [2024-11-08 16:43:28,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@518c6266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:28, skipping insertion in model container [2024-11-08 16:43:28,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:43:28" (1/1) ... [2024-11-08 16:43:28,626 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:43:29,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:43:29,774 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:43:29,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:43:30,053 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:43:30,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:30 WrapperNode [2024-11-08 16:43:30,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:43:30,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:43:30,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:43:30,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:43:30,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:30" (1/1) ... [2024-11-08 16:43:30,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:30" (1/1) ... [2024-11-08 16:43:30,112 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-08 16:43:30,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:43:30,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:43:30,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:43:30,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:43:30,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:30" (1/1) ... [2024-11-08 16:43:30,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:30" (1/1) ... [2024-11-08 16:43:30,126 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:30" (1/1) ... [2024-11-08 16:43:30,136 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:43:30,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:30" (1/1) ... [2024-11-08 16:43:30,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:30" (1/1) ... [2024-11-08 16:43:30,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:30" (1/1) ... [2024-11-08 16:43:30,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:30" (1/1) ... [2024-11-08 16:43:30,152 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:30" (1/1) ... [2024-11-08 16:43:30,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:30" (1/1) ... [2024-11-08 16:43:30,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:43:30,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:43:30,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:43:30,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:43:30,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:30" (1/1) ... [2024-11-08 16:43:30,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:43:30,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:43:30,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:43:30,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:43:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:43:30,244 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:43:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:43:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:43:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:43:30,431 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:43:30,433 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:43:30,585 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 16:43:30,586 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:43:30,601 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:43:30,602 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:43:30,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:43:30 BoogieIcfgContainer [2024-11-08 16:43:30,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:43:30,605 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:43:30,605 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:43:30,609 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:43:30,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:43:28" (1/3) ... [2024-11-08 16:43:30,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2731b7da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:43:30, skipping insertion in model container [2024-11-08 16:43:30,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:43:30" (2/3) ... [2024-11-08 16:43:30,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2731b7da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:43:30, skipping insertion in model container [2024-11-08 16:43:30,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:43:30" (3/3) ... [2024-11-08 16:43:30,613 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_42_bad.i [2024-11-08 16:43:30,630 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:43:30,631 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:43:30,702 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:43:30,709 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;@32783035, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:43:30,710 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:43:30,714 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 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) [2024-11-08 16:43:30,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 16:43:30,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:43:30,725 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:43:30,725 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:43:30,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:43:30,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1678509595, now seen corresponding path program 1 times [2024-11-08 16:43:30,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:43:30,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1338514909] [2024-11-08 16:43:30,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:43:30,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:43:30,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:43:30,748 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:43:30,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:43:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:43:30,869 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:43:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:43:30,923 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 16:43:30,925 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:43:30,926 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:43:30,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:43:30,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:43:31,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:43:31,136 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:43:31,169 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:43:31,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:43:31 BoogieIcfgContainer [2024-11-08 16:43:31,173 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:43:31,175 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:43:31,175 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:43:31,176 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:43:31,176 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:43:30" (3/4) ... [2024-11-08 16:43:31,179 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:43:31,180 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:43:31,182 INFO L158 Benchmark]: Toolchain (without parser) took 2647.55ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 56.0MB in the beginning and 77.0MB in the end (delta: -20.9MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2024-11-08 16:43:31,182 INFO L158 Benchmark]: CDTParser took 1.31ms. Allocated memory is still 60.8MB. Free memory was 37.5MB in the beginning and 37.4MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:43:31,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1518.68ms. Allocated memory is still 83.9MB. Free memory was 55.8MB in the beginning and 36.8MB in the end (delta: 19.0MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2024-11-08 16:43:31,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.33ms. Allocated memory is still 83.9MB. Free memory was 36.8MB in the beginning and 33.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:43:31,184 INFO L158 Benchmark]: Boogie Preprocessor took 47.22ms. Allocated memory is still 83.9MB. Free memory was 33.9MB in the beginning and 31.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:43:31,185 INFO L158 Benchmark]: RCFGBuilder took 442.46ms. Allocated memory is still 83.9MB. Free memory was 31.4MB in the beginning and 44.5MB in the end (delta: -13.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-08 16:43:31,187 INFO L158 Benchmark]: TraceAbstraction took 567.98ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 44.1MB in the beginning and 77.6MB in the end (delta: -33.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 16:43:31,188 INFO L158 Benchmark]: Witness Printer took 5.41ms. Allocated memory is still 107.0MB. Free memory was 77.6MB in the beginning and 77.0MB in the end (delta: 594.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:43:31,191 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31ms. Allocated memory is still 60.8MB. Free memory was 37.5MB in the beginning and 37.4MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1518.68ms. Allocated memory is still 83.9MB. Free memory was 55.8MB in the beginning and 36.8MB in the end (delta: 19.0MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.33ms. Allocated memory is still 83.9MB. Free memory was 36.8MB in the beginning and 33.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.22ms. Allocated memory is still 83.9MB. Free memory was 33.9MB in the beginning and 31.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 442.46ms. Allocated memory is still 83.9MB. Free memory was 31.4MB in the beginning and 44.5MB in the end (delta: -13.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * TraceAbstraction took 567.98ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 44.1MB in the beginning and 77.6MB in the end (delta: -33.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.41ms. Allocated memory is still 107.0MB. Free memory was 77.6MB in the beginning and 77.0MB in the end (delta: 594.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: 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 1566. 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] [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1551] return data; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] data - 1 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: 1559]: 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, 20 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=20occurred 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 [2024-11-08 16:43:31,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ed52b8-9edd-420f-8333-28582be0009c/bin/uautomizer-verify-jihMAELWvX/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