./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version 678e0110
Using bit-precise analysis
Retrying with bit-precise analysis
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 14df269faa4a77275028af94d8141ab36c184cf5
..........................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
Skipped default analysis because property is memsafety
### Bit-precise run ###
This is Ultimate 0.1.24-678e011
[2019-11-19 22:16:19,192 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-11-19 22:16:19,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-19 22:16:19,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-19 22:16:19,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-19 22:16:19,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-19 22:16:19,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-19 22:16:19,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-19 22:16:19,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-19 22:16:19,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-19 22:16:19,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-11-19 22:16:19,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-19 22:16:19,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-19 22:16:19,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-19 22:16:19,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-19 22:16:19,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-19 22:16:19,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-19 22:16:19,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-19 22:16:19,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-19 22:16:19,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-19 22:16:19,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-19 22:16:19,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-19 22:16:19,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-11-19 22:16:19,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-19 22:16:19,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-19 22:16:19,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-19 22:16:19,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-19 22:16:19,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-19 22:16:19,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-19 22:16:19,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-19 22:16:19,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-19 22:16:19,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-19 22:16:19,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-19 22:16:19,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-19 22:16:19,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-19 22:16:19,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-19 22:16:19,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-19 22:16:19,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-19 22:16:19,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-19 22:16:19,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-19 22:16:19,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-11-19 22:16:19,292 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf
[2019-11-19 22:16:19,329 INFO L113 SettingsManager]: Loading preferences was successful
[2019-11-19 22:16:19,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-19 22:16:19,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-19 22:16:19,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-11-19 22:16:19,336 INFO L138 SettingsManager]: * Use SBE=true
[2019-11-19 22:16:19,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-19 22:16:19,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2019-11-19 22:16:19,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-11-19 22:16:19,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-11-19 22:16:19,337 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2019-11-19 22:16:19,338 INFO L138 SettingsManager]: * Bitprecise bitfields=true
[2019-11-19 22:16:19,338 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2019-11-19 22:16:19,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-19 22:16:19,338 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2019-11-19 22:16:19,339 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2019-11-19 22:16:19,340 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-11-19 22:16:19,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-19 22:16:19,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-11-19 22:16:19,341 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-11-19 22:16:19,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-11-19 22:16:19,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-19 22:16:19,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-19 22:16:19,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-11-19 22:16:19,343 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2019-11-19 22:16:19,344 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt
[2019-11-19 22:16:19,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2019-11-19 22:16:19,344 INFO L138 SettingsManager]: * Logic for external solver=AUFBV
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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
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 valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
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 -> 14df269faa4a77275028af94d8141ab36c184cf5
[2019-11-19 22:16:19,655 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-19 22:16:19,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-19 22:16:19,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-19 22:16:19,681 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-11-19 22:16:19,682 INFO L275 PluginConnector]: CDTParser initialized
[2019-11-19 22:16:19,682 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c
[2019-11-19 22:16:19,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e0fc1c0e/069dd41b46a548ff91622300d3fa51aa/FLAGe67c4110f
[2019-11-19 22:16:20,168 INFO L306 CDTParser]: Found 1 translation units.
[2019-11-19 22:16:20,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c
[2019-11-19 22:16:20,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e0fc1c0e/069dd41b46a548ff91622300d3fa51aa/FLAGe67c4110f
[2019-11-19 22:16:20,546 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e0fc1c0e/069dd41b46a548ff91622300d3fa51aa
[2019-11-19 22:16:20,550 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-19 22:16:20,552 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2019-11-19 22:16:20,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-19 22:16:20,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-19 22:16:20,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-19 22:16:20,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:16:20" (1/1) ...
[2019-11-19 22:16:20,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f1d770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:20, skipping insertion in model container
[2019-11-19 22:16:20,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:16:20" (1/1) ...
[2019-11-19 22:16:20,570 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-11-19 22:16:20,591 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-11-19 22:16:20,755 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-11-19 22:16:20,759 INFO L188 MainTranslator]: Completed pre-run
[2019-11-19 22:16:20,774 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-11-19 22:16:20,790 INFO L192 MainTranslator]: Completed translation
[2019-11-19 22:16:20,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:20 WrapperNode
[2019-11-19 22:16:20,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-19 22:16:20,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-19 22:16:20,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-19 22:16:20,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-11-19 22:16:20,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:20" (1/1) ...
[2019-11-19 22:16:20,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:20" (1/1) ...
[2019-11-19 22:16:20,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:20" (1/1) ...
[2019-11-19 22:16:20,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:20" (1/1) ...
[2019-11-19 22:16:20,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:20" (1/1) ...
[2019-11-19 22:16:20,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:20" (1/1) ...
[2019-11-19 22:16:20,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:20" (1/1) ...
[2019-11-19 22:16:20,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-19 22:16:20,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-19 22:16:20,826 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-11-19 22:16:20,827 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-11-19 22:16:20,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:20" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-19 22:16:20,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-11-19 22:16:20,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-19 22:16:20,938 INFO L138 BoogieDeclarations]: Found implementation of procedure g
[2019-11-19 22:16:20,938 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-11-19 22:16:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-11-19 22:16:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure g
[2019-11-19 22:16:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-11-19 22:16:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-11-19 22:16:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-19 22:16:21,082 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-19 22:16:21,083 INFO L285 CfgBuilder]: Removed 0 assume(true) statements.
[2019-11-19 22:16:21,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:16:21 BoogieIcfgContainer
[2019-11-19 22:16:21,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-19 22:16:21,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-11-19 22:16:21,086 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-11-19 22:16:21,089 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-11-19 22:16:21,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:16:20" (1/3) ...
[2019-11-19 22:16:21,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@641b8003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:16:21, skipping insertion in model container
[2019-11-19 22:16:21,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:20" (2/3) ...
[2019-11-19 22:16:21,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@641b8003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:16:21, skipping insertion in model container
[2019-11-19 22:16:21,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:16:21" (3/3) ...
[2019-11-19 22:16:21,093 INFO L109 eAbstractionObserver]: Analyzing ICFG NestedRecursion_2c.c
[2019-11-19 22:16:21,103 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-11-19 22:16:21,111 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations.
[2019-11-19 22:16:21,123 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations.
[2019-11-19 22:16:21,145 INFO L373 AbstractCegarLoop]: Interprodecural is true
[2019-11-19 22:16:21,146 INFO L374 AbstractCegarLoop]: Hoare is false
[2019-11-19 22:16:21,146 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-11-19 22:16:21,146 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-11-19 22:16:21,147 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-11-19 22:16:21,147 INFO L378 AbstractCegarLoop]: Difference is false
[2019-11-19 22:16:21,147 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-11-19 22:16:21,147 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-11-19 22:16:21,165 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states.
[2019-11-19 22:16:21,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2019-11-19 22:16:21,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:16:21 BoogieIcfgContainer
[2019-11-19 22:16:21,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-11-19 22:16:21,183 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2019-11-19 22:16:21,183 INFO L271 PluginConnector]: Initializing Witness Printer...
[2019-11-19 22:16:21,183 INFO L275 PluginConnector]: Witness Printer initialized
[2019-11-19 22:16:21,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:16:21" (3/4) ...
[2019-11-19 22:16:21,191 INFO L137 WitnessPrinter]: Generating witness for correct program
[2019-11-19 22:16:21,204 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init
[2019-11-19 22:16:21,204 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g
[2019-11-19 22:16:21,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main
[2019-11-19 22:16:21,211 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2019-11-19 22:16:21,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2019-11-19 22:16:21,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2019-11-19 22:16:21,275 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2019-11-19 22:16:21,275 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2019-11-19 22:16:21,278 INFO L168 Benchmark]: Toolchain (without parser) took 725.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -134.9 MB). There was no memory consumed. Max. memory is 11.5 GB.
[2019-11-19 22:16:21,279 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-11-19 22:16:21,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.12 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB.
[2019-11-19 22:16:21,282 INFO L168 Benchmark]: Boogie Preprocessor took 34.34 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-11-19 22:16:21,284 INFO L168 Benchmark]: RCFGBuilder took 258.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB.
[2019-11-19 22:16:21,285 INFO L168 Benchmark]: TraceAbstraction took 96.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB.
[2019-11-19 22:16:21,287 INFO L168 Benchmark]: Witness Printer took 92.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB.
[2019-11-19 22:16:21,293 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB.
* CACSL2BoogieTranslator took 238.12 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB.
* Boogie Preprocessor took 34.34 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB.
* RCFGBuilder took 258.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB.
* TraceAbstraction took 96.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB.
* Witness Printer took 92.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- AllSpecificationsHoldResult: All specifications hold
We were not able to verify any specifiation because the program does not contain any specification.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 19 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=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: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...