java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-acceleration/array_4.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.24-f4eb214f-m
[2019-10-14 00:38:40,186 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-10-14 00:38:40,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-14 00:38:40,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-14 00:38:40,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-14 00:38:40,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-14 00:38:40,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-14 00:38:40,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-14 00:38:40,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-14 00:38:40,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-14 00:38:40,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-10-14 00:38:40,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-14 00:38:40,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-14 00:38:40,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-14 00:38:40,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-14 00:38:40,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-14 00:38:40,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-14 00:38:40,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-14 00:38:40,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-14 00:38:40,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-14 00:38:40,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-14 00:38:40,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-14 00:38:40,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-10-14 00:38:40,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-14 00:38:40,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-14 00:38:40,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-14 00:38:40,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-14 00:38:40,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-14 00:38:40,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-14 00:38:40,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-14 00:38:40,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-14 00:38:40,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-14 00:38:40,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-14 00:38:40,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-14 00:38:40,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-14 00:38:40,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2019-10-14 00:38:40,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-10-14 00:38:40,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-10-14 00:38:40,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2019-10-14 00:38:40,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2019-10-14 00:38:40,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-10-14 00:38:40,240 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-10-14 00:38:40,260 INFO L113 SettingsManager]: Loading preferences was successful
[2019-10-14 00:38:40,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-14 00:38:40,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-14 00:38:40,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-10-14 00:38:40,262 INFO L138 SettingsManager]: * Use SBE=true
[2019-10-14 00:38:40,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-14 00:38:40,263 INFO L138 SettingsManager]: * sizeof long=4
[2019-10-14 00:38:40,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-10-14 00:38:40,263 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-10-14 00:38:40,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-10-14 00:38:40,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-10-14 00:38:40,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-14 00:38:40,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-10-14 00:38:40,265 INFO L138 SettingsManager]: * sizeof long double=12
[2019-10-14 00:38:40,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-10-14 00:38:40,266 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-10-14 00:38:40,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-10-14 00:38:40,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-14 00:38:40,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-10-14 00:38:40,267 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-10-14 00:38:40,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-10-14 00:38:40,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-14 00:38:40,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-14 00:38:40,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-10-14 00:38:40,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-14 00:38:40,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-10-14 00:38:40,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-14 00:38:40,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-14 00:38:40,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain
[2019-10-14 00:38:40,560 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-14 00:38:40,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-14 00:38:40,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-14 00:38:40,583 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-10-14 00:38:40,583 INFO L275 PluginConnector]: CDTParser initialized
[2019-10-14 00:38:40,584 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/array_4.i
[2019-10-14 00:38:40,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/009c2af1b/bc5e0efa9a8740faa946897cc05a4e41/FLAGeffd04a81
[2019-10-14 00:38:41,146 INFO L306 CDTParser]: Found 1 translation units.
[2019-10-14 00:38:41,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/array_4.i
[2019-10-14 00:38:41,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/009c2af1b/bc5e0efa9a8740faa946897cc05a4e41/FLAGeffd04a81
[2019-10-14 00:38:41,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/009c2af1b/bc5e0efa9a8740faa946897cc05a4e41
[2019-10-14 00:38:41,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-14 00:38:41,510 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-14 00:38:41,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-14 00:38:41,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-14 00:38:41,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-14 00:38:41,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:41" (1/1) ...
[2019-10-14 00:38:41,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c645f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:41, skipping insertion in model container
[2019-10-14 00:38:41,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:41" (1/1) ...
[2019-10-14 00:38:41,529 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-10-14 00:38:41,549 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-10-14 00:38:41,734 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-14 00:38:41,744 INFO L188 MainTranslator]: Completed pre-run
[2019-10-14 00:38:41,767 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-14 00:38:41,786 INFO L192 MainTranslator]: Completed translation
[2019-10-14 00:38:41,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:41 WrapperNode
[2019-10-14 00:38:41,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-14 00:38:41,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-14 00:38:41,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-14 00:38:41,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-10-14 00:38:41,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:41" (1/1) ...
[2019-10-14 00:38:41,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:41" (1/1) ...
[2019-10-14 00:38:41,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:41" (1/1) ...
[2019-10-14 00:38:41,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:41" (1/1) ...
[2019-10-14 00:38:41,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:41" (1/1) ...
[2019-10-14 00:38:41,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:41" (1/1) ...
[2019-10-14 00:38:41,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:41" (1/1) ...
[2019-10-14 00:38:41,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-14 00:38:41,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-14 00:38:41,908 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-10-14 00:38:41,908 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-10-14 00:38:41,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:41" (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
[2019-10-14 00:38:41,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-14 00:38:41,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-14 00:38:41,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2019-10-14 00:38:41,961 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-10-14 00:38:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-14 00:38:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-14 00:38:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2019-10-14 00:38:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-10-14 00:38:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-14 00:38:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2019-10-14 00:38:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2019-10-14 00:38:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-14 00:38:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-14 00:38:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-14 00:38:42,207 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-14 00:38:42,208 INFO L284 CfgBuilder]: Removed 2 assume(true) statements.
[2019-10-14 00:38:42,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:42 BoogieIcfgContainer
[2019-10-14 00:38:42,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-14 00:38:42,212 INFO L113 PluginConnector]: ------------------------Abstract Interpretation----------------------------
[2019-10-14 00:38:42,212 INFO L271 PluginConnector]: Initializing Abstract Interpretation...
[2019-10-14 00:38:42,213 INFO L275 PluginConnector]: Abstract Interpretation initialized
[2019-10-14 00:38:42,214 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:42" (1/1) ...
[2019-10-14 00:38:42,277 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)
[2019-10-14 00:38:42,349 INFO L266 AbstractInterpreter]: Error location(s) were unreachable
[2019-10-14 00:38:42,354 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 15 root evaluator evaluations with a maximum evaluation depth of 0. Performed 15 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 20 variables.
[2019-10-14 00:38:42,354 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation----------------------------
[2019-10-14 00:38:42,357 INFO L168 Benchmark]: Toolchain (without parser) took 845.71 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 104.1 MB in the beginning and 161.1 MB in the end (delta: -57.0 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB.
[2019-10-14 00:38:42,358 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2019-10-14 00:38:42,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.06 ms. Allocated memory is still 138.4 MB. Free memory was 103.9 MB in the beginning and 94.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
[2019-10-14 00:38:42,361 INFO L168 Benchmark]: Boogie Preprocessor took 120.31 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 94.1 MB in the beginning and 180.2 MB in the end (delta: -86.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB.
[2019-10-14 00:38:42,363 INFO L168 Benchmark]: RCFGBuilder took 302.84 ms. Allocated memory is still 201.9 MB. Free memory was 180.2 MB in the beginning and 166.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB.
[2019-10-14 00:38:42,364 INFO L168 Benchmark]: Abstract Interpretation took 142.27 ms. Allocated memory is still 201.9 MB. Free memory was 166.5 MB in the beginning and 161.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB.
[2019-10-14 00:38:42,370 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 274.06 ms. Allocated memory is still 138.4 MB. Free memory was 103.9 MB in the beginning and 94.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 120.31 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 94.1 MB in the beginning and 180.2 MB in the end (delta: -86.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 302.84 ms. Allocated memory is still 201.9 MB. Free memory was 180.2 MB in the beginning and 166.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB.
* Abstract Interpretation took 142.27 ms. Allocated memory is still 201.9 MB. Free memory was 166.5 MB in the beginning and 161.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
RESULT: Ultimate proved your program to be correct!
Received shutdown request...