./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_08_bad.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/bin/uautomizer-verify-LYvppIcaGC --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 be10955d018fcabdfe6e07b5da717126cb1dd6f4baddebb72089fb708ca0e964
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 22:37:11,183 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 22:37:11,279 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-23 22:37:11,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 22:37:11,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 22:37:11,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 22:37:11,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 22:37:11,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 22:37:11,328 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 22:37:11,328 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 22:37:11,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 22:37:11,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 22:37:11,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 22:37:11,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 22:37:11,330 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 22:37:11,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 22:37:11,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 22:37:11,331 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 22:37:11,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 22:37:11,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 22:37:11,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 22:37:11,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 22:37:11,331 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-23 22:37:11,332 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 22:37:11,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 22:37:11,333 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 22:37:11,333 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 22:37:11,333 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 22:37:11,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 22:37:11,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 22:37:11,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 22:37:11,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:37:11,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 22:37:11,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 22:37:11,334 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 22:37:11,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 22:37:11,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:37:11,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 22:37:11,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 22:37:11,334 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 22:37:11,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 22:37:11,334 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 22:37:11,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 22:37:11,335 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 22:37:11,335 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 22:37:11,335 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 22:37:11,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 22:37:11,335 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/bin/uautomizer-verify-LYvppIcaGC
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 -> be10955d018fcabdfe6e07b5da717126cb1dd6f4baddebb72089fb708ca0e964
[2024-11-23 22:37:11,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 22:37:11,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 22:37:11,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 22:37:11,747 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 22:37:11,748 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 22:37:11,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_08_bad.i
[2024-11-23 22:37:14,754 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/bin/uautomizer-verify-LYvppIcaGC/data/c5025d7d8/29f2dffbe3a143dd8c5f78330be7785b/FLAG9f9729428
[2024-11-23 22:37:15,144 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 22:37:15,145 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_08_bad.i
[2024-11-23 22:37:15,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/bin/uautomizer-verify-LYvppIcaGC/data/c5025d7d8/29f2dffbe3a143dd8c5f78330be7785b/FLAG9f9729428
[2024-11-23 22:37:15,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/bin/uautomizer-verify-LYvppIcaGC/data/c5025d7d8/29f2dffbe3a143dd8c5f78330be7785b
[2024-11-23 22:37:15,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 22:37:15,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 22:37:15,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 22:37:15,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 22:37:15,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 22:37:15,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:37:15" (1/1) ...
[2024-11-23 22:37:15,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cacbf91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:15, skipping insertion in model container
[2024-11-23 22:37:15,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:37:15" (1/1) ...
[2024-11-23 22:37:15,269 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 22:37:16,201 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 22:37:16,210 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 22:37:16,316 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 22:37:16,444 INFO L204 MainTranslator]: Completed translation
[2024-11-23 22:37:16,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:16 WrapperNode
[2024-11-23 22:37:16,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 22:37:16,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 22:37:16,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 22:37:16,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 22:37:16,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:16" (1/1) ...
[2024-11-23 22:37:16,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:16" (1/1) ...
[2024-11-23 22:37:16,489 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47
[2024-11-23 22:37:16,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 22:37:16,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 22:37:16,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 22:37:16,490 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 22:37:16,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:16" (1/1) ...
[2024-11-23 22:37:16,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:16" (1/1) ...
[2024-11-23 22:37:16,502 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:16" (1/1) ...
[2024-11-23 22:37:16,511 INFO L175 MemorySlicer]: No memory access in input program.
[2024-11-23 22:37:16,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:16" (1/1) ...
[2024-11-23 22:37:16,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:16" (1/1) ...
[2024-11-23 22:37:16,515 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:16" (1/1) ...
[2024-11-23 22:37:16,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:16" (1/1) ...
[2024-11-23 22:37:16,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:16" (1/1) ...
[2024-11-23 22:37:16,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:16" (1/1) ...
[2024-11-23 22:37:16,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:16" (1/1) ...
[2024-11-23 22:37:16,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 22:37:16,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 22:37:16,523 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 22:37:16,523 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 22:37:16,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:16" (1/1) ...
[2024-11-23 22:37:16,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:37:16,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 22:37:16,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 22:37:16,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 22:37:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-23 22:37:16,583 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-23 22:37:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 22:37:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 22:37:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 22:37:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue
[2024-11-23 22:37:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue
[2024-11-23 22:37:16,720 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 22:37:16,722 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 22:37:16,892 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live.
[2024-11-23 22:37:16,892 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 22:37:16,907 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 22:37:16,908 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-23 22:37:16,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:37:16 BoogieIcfgContainer
[2024-11-23 22:37:16,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 22:37:16,911 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 22:37:16,911 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 22:37:16,918 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 22:37:16,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:37:15" (1/3) ...
[2024-11-23 22:37:16,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aeabfb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:37:16, skipping insertion in model container
[2024-11-23 22:37:16,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:16" (2/3) ...
[2024-11-23 22:37:16,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aeabfb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:37:16, skipping insertion in model container
[2024-11-23 22:37:16,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:37:16" (3/3) ...
[2024-11-23 22:37:16,921 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_08_bad.i
[2024-11-23 22:37:16,940 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 22:37:16,942 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_predec_08_bad.i that has 3 procedures, 28 locations, 1 initial locations, 0 loop locations, and 2 error locations.
[2024-11-23 22:37:17,016 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:37:17,034 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;@20244ec4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:37:17,034 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-23 22:37:17,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-23 22:37:17,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-11-23 22:37:17,046 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 22:37:17,047 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:37:17,047 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-23 22:37:17,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:37:17,056 INFO L85 PathProgramCache]: Analyzing trace with hash 601587096, now seen corresponding path program 1 times
[2024-11-23 22:37:17,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:37:17,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883866275]
[2024-11-23 22:37:17,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:37:17,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:37:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:37:17,206 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:37:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:37:17,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:37:17,251 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:37:17,252 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-23 22:37:17,254 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-23 22:37:17,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 22:37:17,259 INFO L422 BasicCegarLoop]: Path program histogram: [1]
[2024-11-23 22:37:17,283 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 22:37:17,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:37:17 BoogieIcfgContainer
[2024-11-23 22:37:17,287 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 22:37:17,288 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 22:37:17,288 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 22:37:17,288 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 22:37:17,289 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:37:16" (3/4) ...
[2024-11-23 22:37:17,290 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-23 22:37:17,339 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 11.
[2024-11-23 22:37:17,389 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 22:37:17,390 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 22:37:17,390 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 22:37:17,391 INFO L158 Benchmark]: Toolchain (without parser) took 2181.52ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 45.7MB in the end (delta: 43.1MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB.
[2024-11-23 22:37:17,391 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 22:37:17,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1232.91ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 82.3MB in the end (delta: 6.2MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB.
[2024-11-23 22:37:17,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.97ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 79.2MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 22:37:17,393 INFO L158 Benchmark]: Boogie Preprocessor took 32.27ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 22:37:17,393 INFO L158 Benchmark]: RCFGBuilder took 385.81ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 66.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 22:37:17,393 INFO L158 Benchmark]: TraceAbstraction took 376.57ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 50.9MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 22:37:17,394 INFO L158 Benchmark]: Witness Printer took 102.19ms. Allocated memory is still 117.4MB. Free memory was 50.9MB in the beginning and 45.7MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 22:37:17,396 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1232.91ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 82.3MB in the end (delta: 6.2MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 42.97ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 79.2MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 32.27ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 385.81ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 66.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 376.57ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 50.9MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Witness Printer took 102.19ms. Allocated memory is still 117.4MB. Free memory was 50.9MB in the beginning and 45.7MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. 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
- CounterExampleResult [Line: 1567]: integer overflow possible
integer overflow possible
We found a 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]
[L1576] 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)
[L1576] 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]
[L1577] CALL CWE191_Integer_Underflow__int_min_predec_08_bad()
[L1558] int data;
[L1559] data = 0
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1560] CALL staticReturnsTrue()
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1550] return 1;
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1560] RET staticReturnsTrue()
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1560] COND TRUE staticReturnsTrue()
[L1562] data = (-0x7fffffff - 1)
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1564] CALL staticReturnsTrue()
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1550] return 1;
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1564] RET staticReturnsTrue()
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1564] COND TRUE staticReturnsTrue()
[L1567] --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: 1567]: 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 3 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 2, 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=28occurred 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, 21 NumberOfCodeBlocks, 21 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, ConComCheckerStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-11-23 22:37:17,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55e37f56-5cfc-4186-9531-cbc946910bd6/bin/uautomizer-verify-LYvppIcaGC/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)