./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_44_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_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/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_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/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_1b811a65-4067-4736-8aa9-42f00b2e946a/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 be684161f2dd9a695534eef1a269f21752326f2e94a4710ff06139be4b6bb635
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:02:11,243 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:02:11,327 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-08 17:02:11,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:02:11,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:02:11,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:02:11,361 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:02:11,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:02:11,362 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:02:11,363 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:02:11,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:02:11,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:02:11,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:02:11,365 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:02:11,366 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:02:11,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:02:11,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:02:11,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 17:02:11,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:02:11,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:02:11,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:02:11,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:02:11,370 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:02:11,371 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 17:02:11,371 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 17:02:11,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:02:11,372 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:02:11,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:02:11,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:02:11,392 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:02:11,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:02:11,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:02:11,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:02:11,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:02:11,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:02:11,394 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 17:02:11,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 17:02:11,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:02:11,399 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:02:11,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:02:11,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:02:11,401 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_1b811a65-4067-4736-8aa9-42f00b2e946a/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be684161f2dd9a695534eef1a269f21752326f2e94a4710ff06139be4b6bb635
[2024-11-08 17:02:11,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:02:11,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:02:11,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:02:11,758 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:02:11,758 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:02:11,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_44_bad.i
Unable to find full path for "g++"
[2024-11-08 17:02:14,191 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:02:14,726 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:02:14,727 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_44_bad.i
[2024-11-08 17:02:14,768 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/data/393899c57/bd82dd44fa59481ab5f51ccdd8e7495c/FLAGcdea2b634
[2024-11-08 17:02:14,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/data/393899c57/bd82dd44fa59481ab5f51ccdd8e7495c
[2024-11-08 17:02:14,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:02:14,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:02:14,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:02:14,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:02:14,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:02:14,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:02:14" (1/1) ...
[2024-11-08 17:02:14,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211f8be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:14, skipping insertion in model container
[2024-11-08 17:02:14,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:02:14" (1/1) ...
[2024-11-08 17:02:15,007 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:02:16,334 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:02:16,346 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:02:16,458 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:02:16,668 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:02:16,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:16 WrapperNode
[2024-11-08 17:02:16,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:02:16,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:02:16,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:02:16,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:02:16,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:16" (1/1) ...
[2024-11-08 17:02:16,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:16" (1/1) ...
[2024-11-08 17:02:16,773 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 51
[2024-11-08 17:02:16,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:02:16,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:02:16,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:02:16,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:02:16,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:16" (1/1) ...
[2024-11-08 17:02:16,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:16" (1/1) ...
[2024-11-08 17:02:16,794 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:16" (1/1) ...
[2024-11-08 17:02:16,807 INFO L175 MemorySlicer]: No memory access in input program.
[2024-11-08 17:02:16,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:16" (1/1) ...
[2024-11-08 17:02:16,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:16" (1/1) ...
[2024-11-08 17:02:16,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:16" (1/1) ...
[2024-11-08 17:02:16,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:16" (1/1) ...
[2024-11-08 17:02:16,817 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:16" (1/1) ...
[2024-11-08 17:02:16,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:16" (1/1) ...
[2024-11-08 17:02:16,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:02:16,823 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:02:16,823 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:02:16,823 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:02:16,824 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:16" (1/1) ...
[2024-11-08 17:02:16,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:02:16,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:02:16,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:02:16,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:02:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-08 17:02:16,909 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-08 17:02:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:02:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:02:16,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:02:17,084 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:02:17,085 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:02:17,228 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live.
[2024-11-08 17:02:17,228 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:02:17,242 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:02:17,243 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 17:02:17,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:02:17 BoogieIcfgContainer
[2024-11-08 17:02:17,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:02:17,247 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:02:17,247 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:02:17,252 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:02:17,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:02:14" (1/3) ...
[2024-11-08 17:02:17,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300d5cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:02:17, skipping insertion in model container
[2024-11-08 17:02:17,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:16" (2/3) ...
[2024-11-08 17:02:17,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300d5cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:02:17, skipping insertion in model container
[2024-11-08 17:02:17,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:02:17" (3/3) ...
[2024-11-08 17:02:17,257 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_44_bad.i
[2024-11-08 17:02:17,281 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:02:17,281 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-08 17:02:17,372 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:02:17,380 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;@340f34e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:02:17,381 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-08 17:02:17,386 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 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 17:02:17,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-08 17:02:17,396 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:02:17,397 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:02:17,398 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-08 17:02:17,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:02:17,406 INFO L85 PathProgramCache]: Analyzing trace with hash -664697225, now seen corresponding path program 1 times
[2024-11-08 17:02:17,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:02:17,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848124524]
[2024-11-08 17:02:17,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:02:17,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:02:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 17:02:17,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 17:02:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 17:02:17,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 17:02:17,647 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 17:02:17,648 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-08 17:02:17,651 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-08 17:02:17,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 17:02:17,659 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-08 17:02:17,696 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 17:02:17,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:02:17 BoogieIcfgContainer
[2024-11-08 17:02:17,705 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 17:02:17,706 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 17:02:17,706 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 17:02:17,706 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 17:02:17,709 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:02:17" (3/4) ...
[2024-11-08 17:02:17,712 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-08 17:02:17,714 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 17:02:17,715 INFO L158 Benchmark]: Toolchain (without parser) took 2881.55ms. Allocated memory is still 159.4MB. Free memory was 129.4MB in the beginning and 79.9MB in the end (delta: 49.5MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB.
[2024-11-08 17:02:17,716 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 127.9MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:02:17,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1827.23ms. Allocated memory is still 159.4MB. Free memory was 129.4MB in the beginning and 115.6MB in the end (delta: 13.8MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB.
[2024-11-08 17:02:17,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.41ms. Allocated memory is still 159.4MB. Free memory was 115.6MB in the beginning and 112.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 17:02:17,718 INFO L158 Benchmark]: Boogie Preprocessor took 47.24ms. Allocated memory is still 159.4MB. Free memory was 112.5MB in the beginning and 110.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 17:02:17,718 INFO L158 Benchmark]: RCFGBuilder took 421.28ms. Allocated memory is still 159.4MB. Free memory was 110.4MB in the beginning and 97.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 17:02:17,720 INFO L158 Benchmark]: TraceAbstraction took 457.97ms. Allocated memory is still 159.4MB. Free memory was 96.7MB in the beginning and 80.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-11-08 17:02:17,721 INFO L158 Benchmark]: Witness Printer took 8.17ms. Allocated memory is still 159.4MB. Free memory was 80.9MB in the beginning and 79.9MB in the end (delta: 953.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 17:02:17,728 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.38ms. Allocated memory is still 127.9MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1827.23ms. Allocated memory is still 159.4MB. Free memory was 129.4MB in the beginning and 115.6MB in the end (delta: 13.8MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 103.41ms. Allocated memory is still 159.4MB. Free memory was 115.6MB in the beginning and 112.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 47.24ms. Allocated memory is still 159.4MB. Free memory was 112.5MB in the beginning and 110.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 421.28ms. Allocated memory is still 159.4MB. Free memory was 110.4MB in the beginning and 97.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 457.97ms. Allocated memory is still 159.4MB. Free memory was 96.7MB in the beginning and 80.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Witness Printer took 8.17ms. Allocated memory is still 159.4MB. Free memory was 80.9MB in the beginning and 79.9MB in the end (delta: 953.6kB). Peak memory consumption was 2.1MB. 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: 1551]: 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 1567.
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]
[L1567] 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)
[L1567] 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]
[L1568] CALL CWE191_Integer_Underflow__int_fscanf_predec_44_bad()
[L1558] int data;
[L1559] void (*funcPtr) (int) = badSink;
[L1560] data = 0
[L1562] CALL funcPtr(data)
[L1551] --data
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: 1551]: 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, 21 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=21occurred 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, 9 NumberOfCodeBlocks, 9 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 17:02:17,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/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_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/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_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/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_1b811a65-4067-4736-8aa9-42f00b2e946a/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 be684161f2dd9a695534eef1a269f21752326f2e94a4710ff06139be4b6bb635
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:02:20,814 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:02:20,950 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2024-11-08 17:02:20,958 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:02:20,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:02:20,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-11-08 17:02:21,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:02:21,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:02:21,011 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:02:21,017 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:02:21,018 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:02:21,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:02:21,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:02:21,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:02:21,019 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:02:21,020 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:02:21,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:02:21,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:02:21,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:02:21,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:02:21,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:02:21,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:02:21,024 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 17:02:21,025 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-08 17:02:21,025 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:02:21,025 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 17:02:21,026 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-08 17:02:21,026 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 17:02:21,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:02:21,026 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:02:21,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:02:21,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:02:21,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:02:21,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:02:21,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:02:21,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:02:21,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:02:21,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:02:21,029 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-08 17:02:21,030 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-08 17:02:21,030 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:02:21,032 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:02:21,032 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:02:21,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:02:21,033 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_1b811a65-4067-4736-8aa9-42f00b2e946a/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be684161f2dd9a695534eef1a269f21752326f2e94a4710ff06139be4b6bb635
[2024-11-08 17:02:21,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:02:21,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:02:21,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:02:21,562 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:02:21,563 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:02:21,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_44_bad.i
Unable to find full path for "g++"
[2024-11-08 17:02:24,256 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:02:24,714 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:02:24,714 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_44_bad.i
[2024-11-08 17:02:24,751 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/data/661b8859d/ec6a0f53d1a14deea2a5fa0187b0da7d/FLAGc542b70b2
[2024-11-08 17:02:24,859 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/data/661b8859d/ec6a0f53d1a14deea2a5fa0187b0da7d
[2024-11-08 17:02:24,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:02:24,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:02:24,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:02:24,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:02:24,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:02:24,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:02:24" (1/1) ...
[2024-11-08 17:02:24,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b358611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:24, skipping insertion in model container
[2024-11-08 17:02:24,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:02:24" (1/1) ...
[2024-11-08 17:02:24,954 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:02:26,200 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:02:26,248 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:02:26,432 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:02:26,582 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:02:26,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:26 WrapperNode
[2024-11-08 17:02:26,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:02:26,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:02:26,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:02:26,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:02:26,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:26" (1/1) ...
[2024-11-08 17:02:26,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:26" (1/1) ...
[2024-11-08 17:02:26,655 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 50
[2024-11-08 17:02:26,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:02:26,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:02:26,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:02:26,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:02:26,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:26" (1/1) ...
[2024-11-08 17:02:26,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:26" (1/1) ...
[2024-11-08 17:02:26,685 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:26" (1/1) ...
[2024-11-08 17:02:26,703 INFO L175 MemorySlicer]: No memory access in input program.
[2024-11-08 17:02:26,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:26" (1/1) ...
[2024-11-08 17:02:26,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:26" (1/1) ...
[2024-11-08 17:02:26,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:26" (1/1) ...
[2024-11-08 17:02:26,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:26" (1/1) ...
[2024-11-08 17:02:26,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:26" (1/1) ...
[2024-11-08 17:02:26,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:26" (1/1) ...
[2024-11-08 17:02:26,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:02:26,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:02:26,736 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:02:26,737 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:02:26,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:26" (1/1) ...
[2024-11-08 17:02:26,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:02:26,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:02:26,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:02:26,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:02:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-08 17:02:26,815 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-08 17:02:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:02:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:02:26,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:02:27,035 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:02:27,038 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:02:27,252 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live.
[2024-11-08 17:02:27,253 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:02:27,274 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:02:27,274 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 17:02:27,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:02:27 BoogieIcfgContainer
[2024-11-08 17:02:27,277 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:02:27,279 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:02:27,281 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:02:27,285 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:02:27,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:02:24" (1/3) ...
[2024-11-08 17:02:27,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8386c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:02:27, skipping insertion in model container
[2024-11-08 17:02:27,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:26" (2/3) ...
[2024-11-08 17:02:27,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8386c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:02:27, skipping insertion in model container
[2024-11-08 17:02:27,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:02:27" (3/3) ...
[2024-11-08 17:02:27,290 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_44_bad.i
[2024-11-08 17:02:27,313 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:02:27,314 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-08 17:02:27,412 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:02:27,421 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;@286bd3b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:02:27,422 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-08 17:02:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 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 17:02:27,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-08 17:02:27,441 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:02:27,442 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:02:27,443 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-08 17:02:27,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:02:27,454 INFO L85 PathProgramCache]: Analyzing trace with hash -664697225, now seen corresponding path program 1 times
[2024-11-08 17:02:27,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:02:27,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1703992099]
[2024-11-08 17:02:27,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:02:27,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:02:27,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:02:27,492 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:02:27,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 17:02:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 17:02:27,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 17:02:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 17:02:27,738 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-11-08 17:02:27,741 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 17:02:27,743 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-08 17:02:27,745 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-08 17:02:27,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-08 17:02:27,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:02:27,952 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-08 17:02:27,986 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 17:02:27,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:02:27 BoogieIcfgContainer
[2024-11-08 17:02:27,992 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 17:02:27,995 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 17:02:27,995 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 17:02:27,995 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 17:02:27,996 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:02:27" (3/4) ...
[2024-11-08 17:02:28,000 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-08 17:02:28,001 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 17:02:28,004 INFO L158 Benchmark]: Toolchain (without parser) took 3139.25ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 35.7MB in the beginning and 50.2MB in the end (delta: -14.5MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB.
[2024-11-08 17:02:28,006 INFO L158 Benchmark]: CDTParser took 1.46ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:02:28,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1717.38ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 35.4MB in the beginning and 41.5MB in the end (delta: -6.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB.
[2024-11-08 17:02:28,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.28ms. Allocated memory is still 88.1MB. Free memory was 41.5MB in the beginning and 38.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 17:02:28,011 INFO L158 Benchmark]: Boogie Preprocessor took 78.89ms. Allocated memory is still 88.1MB. Free memory was 38.1MB in the beginning and 58.8MB in the end (delta: -20.6MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB.
[2024-11-08 17:02:28,013 INFO L158 Benchmark]: RCFGBuilder took 540.95ms. Allocated memory is still 88.1MB. Free memory was 58.8MB in the beginning and 45.3MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-11-08 17:02:28,014 INFO L158 Benchmark]: TraceAbstraction took 712.77ms. Allocated memory is still 88.1MB. Free memory was 44.5MB in the beginning and 50.7MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:02:28,016 INFO L158 Benchmark]: Witness Printer took 6.80ms. Allocated memory is still 88.1MB. Free memory was 50.7MB in the beginning and 50.2MB in the end (delta: 463.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:02:28,025 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.46ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1717.38ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 35.4MB in the beginning and 41.5MB in the end (delta: -6.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 71.28ms. Allocated memory is still 88.1MB. Free memory was 41.5MB in the beginning and 38.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 78.89ms. Allocated memory is still 88.1MB. Free memory was 38.1MB in the beginning and 58.8MB in the end (delta: -20.6MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 540.95ms. Allocated memory is still 88.1MB. Free memory was 58.8MB in the beginning and 45.3MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 712.77ms. Allocated memory is still 88.1MB. Free memory was 44.5MB in the beginning and 50.7MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 6.80ms. Allocated memory is still 88.1MB. Free memory was 50.7MB in the beginning and 50.2MB in the end (delta: 463.9kB). 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: 1551]: 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 1567.
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]
[L1567] 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)
[L1567] 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]
[L1568] CALL CWE191_Integer_Underflow__int_fscanf_predec_44_bad()
[L1558] int data;
[L1559] void (*funcPtr) (int) = badSink;
[L1560] data = 0
[L1562] CALL funcPtr(data)
[L1551] --data
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: 1551]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 9 NumberOfCodeBlocks, 9 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 17:02:28,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b811a65-4067-4736-8aa9-42f00b2e946a/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