./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_18_good.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_a625c8d7-2bda-4473-b112-c96891cfcf5f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a625c8d7-2bda-4473-b112-c96891cfcf5f/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_a625c8d7-2bda-4473-b112-c96891cfcf5f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a625c8d7-2bda-4473-b112-c96891cfcf5f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a625c8d7-2bda-4473-b112-c96891cfcf5f/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_a625c8d7-2bda-4473-b112-c96891cfcf5f/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 dfd396dadb88a7fd8fc176bc0a74b515ffc14f5d6ea4d1c05c5923385b1fd956
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 22:39:52,168 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 22:39:52,304 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a625c8d7-2bda-4473-b112-c96891cfcf5f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-23 22:39:52,319 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 22:39:52,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 22:39:52,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 22:39:52,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 22:39:52,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 22:39:52,377 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 22:39:52,377 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 22:39:52,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 22:39:52,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 22:39:52,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 22:39:52,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 22:39:52,379 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 22:39:52,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 22:39:52,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 22:39:52,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 22:39:52,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 22:39:52,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 22:39:52,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 22:39:52,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 22:39:52,383 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-23 22:39:52,383 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 22:39:52,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 22:39:52,383 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 22:39:52,383 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 22:39:52,383 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 22:39:52,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 22:39:52,383 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 22:39:52,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 22:39:52,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:39:52,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 22:39:52,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 22:39:52,384 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 22:39:52,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 22:39:52,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:39:52,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 22:39:52,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 22:39:52,384 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 22:39:52,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 22:39:52,385 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 22:39:52,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 22:39:52,385 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 22:39:52,385 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 22:39:52,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 22:39:52,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 22:39:52,385 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_a625c8d7-2bda-4473-b112-c96891cfcf5f/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 -> dfd396dadb88a7fd8fc176bc0a74b515ffc14f5d6ea4d1c05c5923385b1fd956
[2024-11-23 22:39:52,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 22:39:52,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 22:39:52,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 22:39:52,853 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 22:39:52,854 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 22:39:52,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a625c8d7-2bda-4473-b112-c96891cfcf5f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_18_good.i
[2024-11-23 22:39:56,709 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a625c8d7-2bda-4473-b112-c96891cfcf5f/bin/uautomizer-verify-LYvppIcaGC/data/d273a3790/a803aa8e039e4f778ac324c170254060/FLAG3a7e72453
[2024-11-23 22:39:57,263 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 22:39:57,264 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a625c8d7-2bda-4473-b112-c96891cfcf5f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_18_good.i
[2024-11-23 22:39:57,317 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a625c8d7-2bda-4473-b112-c96891cfcf5f/bin/uautomizer-verify-LYvppIcaGC/data/d273a3790/a803aa8e039e4f778ac324c170254060/FLAG3a7e72453
[2024-11-23 22:39:57,342 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a625c8d7-2bda-4473-b112-c96891cfcf5f/bin/uautomizer-verify-LYvppIcaGC/data/d273a3790/a803aa8e039e4f778ac324c170254060
[2024-11-23 22:39:57,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 22:39:57,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 22:39:57,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 22:39:57,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 22:39:57,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 22:39:57,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:39:57" (1/1) ...
[2024-11-23 22:39:57,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c08d51c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:57, skipping insertion in model container
[2024-11-23 22:39:57,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:39:57" (1/1) ...
[2024-11-23 22:39:57,439 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 22:39:58,762 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 22:39:58,775 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 22:39:58,893 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 22:39:59,081 INFO L204 MainTranslator]: Completed translation
[2024-11-23 22:39:59,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:59 WrapperNode
[2024-11-23 22:39:59,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 22:39:59,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 22:39:59,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 22:39:59,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 22:39:59,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:59" (1/1) ...
[2024-11-23 22:39:59,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:59" (1/1) ...
[2024-11-23 22:39:59,183 INFO L138 Inliner]: procedures = 500, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82
[2024-11-23 22:39:59,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 22:39:59,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 22:39:59,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 22:39:59,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 22:39:59,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:59" (1/1) ...
[2024-11-23 22:39:59,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:59" (1/1) ...
[2024-11-23 22:39:59,215 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:59" (1/1) ...
[2024-11-23 22:39:59,251 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0].
[2024-11-23 22:39:59,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:59" (1/1) ...
[2024-11-23 22:39:59,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:59" (1/1) ...
[2024-11-23 22:39:59,265 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:59" (1/1) ...
[2024-11-23 22:39:59,270 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:59" (1/1) ...
[2024-11-23 22:39:59,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:59" (1/1) ...
[2024-11-23 22:39:59,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:59" (1/1) ...
[2024-11-23 22:39:59,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:59" (1/1) ...
[2024-11-23 22:39:59,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 22:39:59,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 22:39:59,290 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 22:39:59,291 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 22:39:59,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:59" (1/1) ...
[2024-11-23 22:39:59,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:39:59,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a625c8d7-2bda-4473-b112-c96891cfcf5f/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 22:39:59,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a625c8d7-2bda-4473-b112-c96891cfcf5f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 22:39:59,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a625c8d7-2bda-4473-b112-c96891cfcf5f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 22:39:59,396 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine
[2024-11-23 22:39:59,396 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine
[2024-11-23 22:39:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-23 22:39:59,397 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-23 22:39:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 22:39:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 22:39:59,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 22:39:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 22:39:59,612 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 22:39:59,614 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 22:39:59,798 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live.
[2024-11-23 22:39:59,798 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 22:39:59,812 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 22:39:59,812 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-23 22:39:59,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:39:59 BoogieIcfgContainer
[2024-11-23 22:39:59,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 22:39:59,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 22:39:59,816 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 22:39:59,824 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 22:39:59,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:39:57" (1/3) ...
[2024-11-23 22:39:59,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f62e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:39:59, skipping insertion in model container
[2024-11-23 22:39:59,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:59" (2/3) ...
[2024-11-23 22:39:59,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f62e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:39:59, skipping insertion in model container
[2024-11-23 22:39:59,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:39:59" (3/3) ...
[2024-11-23 22:39:59,832 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_predec_18_good.i
[2024-11-23 22:39:59,855 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 22:39:59,857 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fgets_predec_18_good.i that has 3 procedures, 38 locations, 1 initial locations, 0 loop locations, and 4 error locations.
[2024-11-23 22:39:59,957 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:39:59,975 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;@c5b627c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:39:59,975 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-23 22:39:59,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 25 states have (on average 1.28) internal successors, (32), 31 states have internal predecessors, (32), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-11-23 22:39:59,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-23 22:39:59,988 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 22:39:59,989 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:59,989 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 22:39:59,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:59,995 INFO L85 PathProgramCache]: Analyzing trace with hash 687065942, now seen corresponding path program 1 times
[2024-11-23 22:40:00,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:00,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663950618]
[2024-11-23 22:40:00,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:00,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:00,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:00,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:00,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663950618]
[2024-11-23 22:40:00,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663950618] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:00,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:00,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:00,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496861776]
[2024-11-23 22:40:00,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:00,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:00,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:00,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:00,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:00,433 INFO L87 Difference]: Start difference. First operand has 38 states, 25 states have (on average 1.28) internal successors, (32), 31 states have internal predecessors, (32), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-23 22:40:00,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 22:40:00,491 INFO L93 Difference]: Finished difference Result 63 states and 71 transitions.
[2024-11-23 22:40:00,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:00,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13
[2024-11-23 22:40:00,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 22:40:00,501 INFO L225 Difference]: With dead ends: 63
[2024-11-23 22:40:00,502 INFO L226 Difference]: Without dead ends: 30
[2024-11-23 22:40:00,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:00,509 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 4 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 22:40:00,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 73 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 22:40:00,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2024-11-23 22:40:00,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30.
[2024-11-23 22:40:00,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 24 states have internal predecessors, (26), 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 22:40:00,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions.
[2024-11-23 22:40:00,565 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 13
[2024-11-23 22:40:00,567 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 22:40:00,567 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions.
[2024-11-23 22:40:00,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-23 22:40:00,568 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions.
[2024-11-23 22:40:00,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-23 22:40:00,572 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 22:40:00,572 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:00,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 22:40:00,573 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 22:40:00,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:00,574 INFO L85 PathProgramCache]: Analyzing trace with hash -175792216, now seen corresponding path program 1 times
[2024-11-23 22:40:00,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:00,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355403311]
[2024-11-23 22:40:00,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:00,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:00,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:00,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:00,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355403311]
[2024-11-23 22:40:00,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355403311] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:00,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:00,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:00,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798258942]
[2024-11-23 22:40:00,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:00,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:00,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:00,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:00,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:00,850 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-23 22:40:00,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 22:40:00,874 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions.
[2024-11-23 22:40:00,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:00,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14
[2024-11-23 22:40:00,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 22:40:00,876 INFO L225 Difference]: With dead ends: 30
[2024-11-23 22:40:00,876 INFO L226 Difference]: Without dead ends: 29
[2024-11-23 22:40:00,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:00,877 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 2 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 22:40:00,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 47 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 22:40:00,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2024-11-23 22:40:00,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29.
[2024-11-23 22:40:00,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 23 states have internal predecessors, (25), 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 22:40:00,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions.
[2024-11-23 22:40:00,885 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 14
[2024-11-23 22:40:00,886 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 22:40:00,886 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions.
[2024-11-23 22:40:00,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-23 22:40:00,886 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions.
[2024-11-23 22:40:00,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2024-11-23 22:40:00,887 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 22:40:00,887 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:00,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 22:40:00,888 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 22:40:00,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:00,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1082993541, now seen corresponding path program 1 times
[2024-11-23 22:40:00,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:00,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163929612]
[2024-11-23 22:40:00,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:00,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:01,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-23 22:40:01,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:01,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163929612]
[2024-11-23 22:40:01,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163929612] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:01,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:01,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:01,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913920406]
[2024-11-23 22:40:01,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:01,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:01,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:01,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:01,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:01,066 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-23 22:40:01,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 22:40:01,085 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions.
[2024-11-23 22:40:01,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:01,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20
[2024-11-23 22:40:01,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 22:40:01,087 INFO L225 Difference]: With dead ends: 29
[2024-11-23 22:40:01,087 INFO L226 Difference]: Without dead ends: 28
[2024-11-23 22:40:01,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:01,089 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 22:40:01,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 55 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 22:40:01,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states.
[2024-11-23 22:40:01,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28.
[2024-11-23 22:40:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 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 22:40:01,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions.
[2024-11-23 22:40:01,096 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 20
[2024-11-23 22:40:01,097 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 22:40:01,097 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions.
[2024-11-23 22:40:01,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-23 22:40:01,097 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions.
[2024-11-23 22:40:01,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-11-23 22:40:01,098 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 22:40:01,098 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:01,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 22:40:01,099 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 22:40:01,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:01,100 INFO L85 PathProgramCache]: Analyzing trace with hash 786938673, now seen corresponding path program 1 times
[2024-11-23 22:40:01,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:01,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939680360]
[2024-11-23 22:40:01,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:01,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:01,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-23 22:40:01,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:01,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939680360]
[2024-11-23 22:40:01,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939680360] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:01,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:01,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:01,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076749632]
[2024-11-23 22:40:01,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:01,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:01,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:01,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:01,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:01,233 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-23 22:40:01,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 22:40:01,242 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions.
[2024-11-23 22:40:01,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:01,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21
[2024-11-23 22:40:01,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 22:40:01,243 INFO L225 Difference]: With dead ends: 28
[2024-11-23 22:40:01,244 INFO L226 Difference]: Without dead ends: 0
[2024-11-23 22:40:01,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:01,245 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 22:40:01,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 22:40:01,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-23 22:40:01,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-23 22:40:01,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:01,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-23 22:40:01,247 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21
[2024-11-23 22:40:01,247 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 22:40:01,247 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-23 22:40:01,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-23 22:40:01,248 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-23 22:40:01,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-23 22:40:01,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-11-23 22:40:01,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-11-23 22:40:01,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-11-23 22:40:01,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-11-23 22:40:01,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 22:40:01,256 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:40:01,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-23 22:40:01,300 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 22:40:01,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:40:01 BoogieIcfgContainer
[2024-11-23 22:40:01,309 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 22:40:01,310 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 22:40:01,310 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 22:40:01,310 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 22:40:01,311 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:39:59" (3/4) ...
[2024-11-23 22:40:01,314 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-23 22:40:01,319 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2024-11-23 22:40:01,320 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2024-11-23 22:40:01,325 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges
[2024-11-23 22:40:01,325 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-11-23 22:40:01,327 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-23 22:40:01,328 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-23 22:40:01,446 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a625c8d7-2bda-4473-b112-c96891cfcf5f/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 22:40:01,446 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a625c8d7-2bda-4473-b112-c96891cfcf5f/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 22:40:01,446 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 22:40:01,447 INFO L158 Benchmark]: Toolchain (without parser) took 4099.74ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 50.9MB in the end (delta: 38.5MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB.
[2024-11-23 22:40:01,448 INFO L158 Benchmark]: CDTParser took 1.93ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 22:40:01,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1732.31ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 80.7MB in the end (delta: 8.5MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB.
[2024-11-23 22:40:01,449 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.98ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 78.3MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 22:40:01,450 INFO L158 Benchmark]: Boogie Preprocessor took 99.20ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 76.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 22:40:01,450 INFO L158 Benchmark]: RCFGBuilder took 526.34ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 63.3MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 22:40:01,450 INFO L158 Benchmark]: TraceAbstraction took 1493.04ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 56.0MB in the end (delta: 6.7MB). Peak memory consumption was 568.6kB. Max. memory is 16.1GB.
[2024-11-23 22:40:01,451 INFO L158 Benchmark]: Witness Printer took 136.86ms. Allocated memory is still 117.4MB. Free memory was 56.0MB in the beginning and 50.9MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 22:40:01,455 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.93ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1732.31ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 80.7MB in the end (delta: 8.5MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 102.98ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 78.3MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 99.20ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 76.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 526.34ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 63.3MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 1493.04ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 56.0MB in the end (delta: 6.7MB). Peak memory consumption was 568.6kB. Max. memory is 16.1GB.
* Witness Printer took 136.86ms. Allocated memory is still 117.4MB. Free memory was 56.0MB in the beginning and 50.9MB in the end (delta: 5.1MB). 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
- PositiveResult [Line: 1569]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1569]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1588]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1588]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 38 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 230 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 124 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 88 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-23 22:40:01,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a625c8d7-2bda-4473-b112-c96891cfcf5f/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
Result:
TRUE