./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11f7724b26aaacc400564e4846b80581065da794226b0399a61dc9422d54755f
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 17:30:59,279 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-13 17:30:59,282 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 17:30:59,319 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 17:30:59,320 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 17:30:59,322 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 17:30:59,324 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 17:30:59,326 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 17:30:59,329 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 17:30:59,330 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 17:30:59,331 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 17:30:59,333 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 17:30:59,334 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 17:30:59,335 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 17:30:59,337 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 17:30:59,339 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 17:30:59,340 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 17:30:59,342 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 17:30:59,344 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 17:30:59,347 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 17:30:59,350 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 17:30:59,351 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 17:30:59,353 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 17:30:59,354 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 17:30:59,359 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 17:30:59,359 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 17:30:59,373 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 17:30:59,375 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 17:30:59,375 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 17:30:59,377 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 17:30:59,377 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 17:30:59,378 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 17:30:59,379 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 17:30:59,380 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 17:30:59,382 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 17:30:59,382 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 17:30:59,383 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 17:30:59,384 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 17:30:59,384 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 17:30:59,385 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 17:30:59,388 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 17:30:59,389 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-13 17:30:59,431 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-13 17:30:59,433 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 17:30:59,434 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 17:30:59,434 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 17:30:59,443 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 17:30:59,444 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 17:30:59,445 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 17:30:59,445 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-13 17:30:59,445 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-11-13 17:30:59,445 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 17:30:59,447 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-11-13 17:30:59,447 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-11-13 17:30:59,447 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-11-13 17:30:59,448 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-13 17:30:59,448 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 17:30:59,448 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 17:30:59,448 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 17:30:59,449 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-11-13 17:30:59,449 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-13 17:30:59,449 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-13 17:30:59,449 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-13 17:30:59,450 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 17:30:59,450 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-11-13 17:30:59,450 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-11-13 17:30:59,450 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:30:59,451 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 17:30:59,451 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 17:30:59,451 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 17:30:59,451 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-11-13 17:30:59,453 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 17:30:59,454 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-11-13 17:30:59,454 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 17:30:59,454 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 17:30:59,455 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-11-13 17:30:59,455 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y
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 ! call(reach_error())) )


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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11f7724b26aaacc400564e4846b80581065da794226b0399a61dc9422d54755f
[2021-11-13 17:30:59,783 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 17:30:59,817 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 17:30:59,820 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 17:30:59,821 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-13 17:30:59,824 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-13 17:30:59,826 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c
[2021-11-13 17:30:59,896 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/data/2907d0939/97383e8e720d4dcc86773a73b78bf1d1/FLAGc56cb0b9b
[2021-11-13 17:31:00,421 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-13 17:31:00,425 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c
[2021-11-13 17:31:00,442 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/data/2907d0939/97383e8e720d4dcc86773a73b78bf1d1/FLAGc56cb0b9b
[2021-11-13 17:31:00,767 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/data/2907d0939/97383e8e720d4dcc86773a73b78bf1d1
[2021-11-13 17:31:00,769 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 17:31:00,781 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 17:31:00,783 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 17:31:00,783 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 17:31:00,787 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 17:31:00,788 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:00" (1/1) ...
[2021-11-13 17:31:00,789 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52077b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:00, skipping insertion in model container
[2021-11-13 17:31:00,789 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:00" (1/1) ...
[2021-11-13 17:31:00,796 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-13 17:31:00,819 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-13 17:31:01,065 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446]
[2021-11-13 17:31:01,070 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:31:01,079 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-13 17:31:01,149 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446]
[2021-11-13 17:31:01,150 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:31:01,171 INFO  L208         MainTranslator]: Completed translation
[2021-11-13 17:31:01,172 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01 WrapperNode
[2021-11-13 17:31:01,172 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 17:31:01,174 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 17:31:01,175 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 17:31:01,175 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 17:31:01,181 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,193 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,233 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 17:31:01,234 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 17:31:01,234 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 17:31:01,234 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 17:31:01,243 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,243 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,249 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,249 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,260 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,266 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,269 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,274 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 17:31:01,275 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 17:31:01,275 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 17:31:01,275 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-13 17:31:01,276 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,298 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:31:01,309 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:31:01,323 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 17:31:01,340 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 17:31:01,363 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 17:31:01,364 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 17:31:01,364 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real
[2021-11-13 17:31:01,364 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 17:31:01,364 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real
[2021-11-13 17:31:01,364 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 17:31:01,365 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 17:31:01,365 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 17:31:01,365 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 17:31:01,804 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 17:31:01,808 INFO  L299             CfgBuilder]: Removed 16 assume(true) statements.
[2021-11-13 17:31:01,810 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:01 BoogieIcfgContainer
[2021-11-13 17:31:01,810 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 17:31:01,812 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 17:31:01,812 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 17:31:01,820 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-11-13 17:31:01,820 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:31:00" (1/3) ...
[2021-11-13 17:31:01,821 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245b55a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:31:01, skipping insertion in model container
[2021-11-13 17:31:01,822 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (2/3) ...
[2021-11-13 17:31:01,822 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245b55a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:31:01, skipping insertion in model container
[2021-11-13 17:31:01,822 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:01" (3/3) ...
[2021-11-13 17:31:01,824 INFO  L111   eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a.c
[2021-11-13 17:31:01,829 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 17:31:01,829 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 17:31:01,875 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 17:31:01,883 INFO  L339      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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR
[2021-11-13 17:31:01,883 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 17:31:01,900 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 56 states, 54 states have (on average 1.6666666666666667) internal successors, (90), 55 states have internal predecessors, (90), 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)
[2021-11-13 17:31:01,905 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2021-11-13 17:31:01,906 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 17:31:01,906 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:31:01,907 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:31:01,912 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:31:01,913 INFO  L85        PathProgramCache]: Analyzing trace with hash -1900532880, now seen corresponding path program 1 times
[2021-11-13 17:31:01,922 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:31:01,923 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067867955]
[2021-11-13 17:31:01,923 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:31:01,924 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:31:02,049 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:31:02,110 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:31:02,110 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:31:02,111 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067867955]
[2021-11-13 17:31:02,112 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067867955] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:31:02,113 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:31:02,113 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 17:31:02,115 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847209538]
[2021-11-13 17:31:02,116 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:31:02,120 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 17:31:02,120 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:31:02,155 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 17:31:02,157 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 17:31:02,160 INFO  L87              Difference]: Start difference. First operand  has 56 states, 54 states have (on average 1.6666666666666667) internal successors, (90), 55 states have internal predecessors, (90), 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) Second operand  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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)
[2021-11-13 17:31:02,198 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:31:02,198 INFO  L93              Difference]: Finished difference Result 110 states and 178 transitions.
[2021-11-13 17:31:02,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-13 17:31:02,201 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) Word has length 9
[2021-11-13 17:31:02,203 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:31:02,213 INFO  L225             Difference]: With dead ends: 110
[2021-11-13 17:31:02,214 INFO  L226             Difference]: Without dead ends: 53
[2021-11-13 17:31:02,218 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 17:31:02,222 INFO  L933         BasicCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.28ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:31:02,224 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 4.28ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time]
[2021-11-13 17:31:02,243 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2021-11-13 17:31:02,268 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53.
[2021-11-13 17:31:02,270 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 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)
[2021-11-13 17:31:02,272 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions.
[2021-11-13 17:31:02,273 INFO  L78                 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 9
[2021-11-13 17:31:02,273 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:31:02,274 INFO  L470      AbstractCegarLoop]: Abstraction has 53 states and 70 transitions.
[2021-11-13 17:31:02,274 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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)
[2021-11-13 17:31:02,274 INFO  L276                IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions.
[2021-11-13 17:31:02,275 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-11-13 17:31:02,275 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 17:31:02,275 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:31:02,275 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 17:31:02,276 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:31:02,276 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:31:02,277 INFO  L85        PathProgramCache]: Analyzing trace with hash 1487817933, now seen corresponding path program 1 times
[2021-11-13 17:31:02,277 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:31:02,277 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735829339]
[2021-11-13 17:31:02,277 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:31:02,278 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:31:02,330 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 17:31:02,330 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 17:31:02,362 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 17:31:02,389 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 17:31:02,389 INFO  L628         BasicCegarLoop]: Counterexample is feasible
[2021-11-13 17:31:02,391 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 17:31:02,394 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 17:31:02,398 INFO  L732         BasicCegarLoop]: Path program histogram: [1, 1]
[2021-11-13 17:31:02,401 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 17:31:02,463 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:31:02 BoogieIcfgContainer
[2021-11-13 17:31:02,463 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 17:31:02,464 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 17:31:02,465 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-11-13 17:31:02,465 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-11-13 17:31:02,466 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:01" (3/4) ...
[2021-11-13 17:31:02,470 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2021-11-13 17:31:02,470 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 17:31:02,472 INFO  L158              Benchmark]: Toolchain (without parser) took 1689.62ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 91.8MB in the beginning and 102.3MB in the end (delta: -10.5MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB.
[2021-11-13 17:31:02,473 INFO  L158              Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:31:02,474 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 389.36ms. Allocated memory is still 121.6MB. Free memory was 91.8MB in the beginning and 90.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 17:31:02,480 INFO  L158              Benchmark]: Boogie Procedure Inliner took 59.15ms. Allocated memory is still 121.6MB. Free memory was 90.4MB in the beginning and 88.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:31:02,481 INFO  L158              Benchmark]: Boogie Preprocessor took 39.78ms. Allocated memory is still 121.6MB. Free memory was 88.1MB in the beginning and 86.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:31:02,481 INFO  L158              Benchmark]: RCFGBuilder took 535.54ms. Allocated memory is still 121.6MB. Free memory was 86.0MB in the beginning and 69.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2021-11-13 17:31:02,482 INFO  L158              Benchmark]: TraceAbstraction took 651.48ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 68.9MB in the beginning and 102.3MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:31:02,482 INFO  L158              Benchmark]: Witness Printer took 5.69ms. Allocated memory is still 146.8MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:31:02,494 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 389.36ms. Allocated memory is still 121.6MB. Free memory was 91.8MB in the beginning and 90.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 59.15ms. Allocated memory is still 121.6MB. Free memory was 90.4MB in the beginning and 88.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 39.78ms. Allocated memory is still 121.6MB. Free memory was 88.1MB in the beginning and 86.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 535.54ms. Allocated memory is still 121.6MB. Free memory was 86.0MB in the beginning and 69.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 651.48ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 68.9MB in the beginning and 102.3MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 5.69ms. Allocated memory is still 146.8MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - UnprovableResult [Line: 235]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: overapproximation of someBinaryFLOATComparisonOperation at line 60, overapproximation of someUnaryDOUBLEoperation at line 149, overapproximation of bitwiseAnd at line 163, overapproximation of someUnaryFLOAToperation at line 147, overapproximation of someBinaryArithmeticFLOAToperation at line 166. 
Possible FailurePath: 
[L14]                    static const float huge_floor = 1.0e30;
[L62]                    static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30;
[L145-L153]              static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30,
                   pio2_hi_asin = 1.57079637050628662109375f,
                   pio2_lo_asin = -4.37113900018624283e-8f,
                   pio4_hi_asin = 0.785398185253143310546875f,
                   pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01,
                   pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02,
                   pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05,
                   qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00,
                   qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02;
             VAL         [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000]
[L230]                   float x = 1.0f / 0.0f;
[L231]       CALL, EXPR  __ieee754_asinf(x)
[L156]                   float t, w, p, q, c, r, s;
[L157]                   __int32_t hx, ix;
             VAL         [\old(x)=1000000000000000000000000000001, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000001]
[L159]                   ieee_float_shape_type gf_u;
[L160]                   gf_u.value = (x)
[L161]       EXPR        gf_u.word
[L161]                   (hx) = gf_u.word
[L163]                   ix = hx & 0x7fffffff
             VAL         [\old(x)=1000000000000000000000000000001, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000001]
[L164]       COND TRUE   ix == 0x3f800000
[L166]                   return x * pio2_hi_asin + x * pio2_lo_asin;
             VAL         [\old(x)=1000000000000000000000000000001, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=0, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000001]
[L231]       RET, EXPR   __ieee754_asinf(x)
[L231]                   float res = __ieee754_asinf(x);
[L234]       CALL, EXPR  isnan_float(res)
[L60]                    return x != x;
             VAL         [\old(x)=1000000000000000000000000000002, \result=0, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000002]
[L234]       RET, EXPR   isnan_float(res)
[L234]       COND TRUE   !isnan_float(res)
[L235]                   reach_error()
             VAL         [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=1000000000000000000000000000002, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000001]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.00ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.00ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 73 mSDtfsCounter, 0 mSolverCounterSat, 4.28ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2021-11-13 17:31:02,552 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11f7724b26aaacc400564e4846b80581065da794226b0399a61dc9422d54755f
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 17:31:05,239 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-13 17:31:05,243 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 17:31:05,299 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 17:31:05,300 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 17:31:05,308 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 17:31:05,310 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 17:31:05,317 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 17:31:05,320 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 17:31:05,326 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 17:31:05,327 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 17:31:05,329 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 17:31:05,330 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 17:31:05,332 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 17:31:05,334 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 17:31:05,339 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 17:31:05,341 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 17:31:05,342 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 17:31:05,344 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 17:31:05,352 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 17:31:05,354 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 17:31:05,355 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 17:31:05,359 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 17:31:05,360 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 17:31:05,369 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 17:31:05,370 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 17:31:05,370 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 17:31:05,373 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 17:31:05,373 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 17:31:05,374 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 17:31:05,375 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 17:31:05,376 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 17:31:05,378 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 17:31:05,379 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 17:31:05,381 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 17:31:05,381 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 17:31:05,382 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 17:31:05,382 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 17:31:05,383 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 17:31:05,385 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 17:31:05,385 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 17:31:05,390 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2021-11-13 17:31:05,434 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-13 17:31:05,435 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 17:31:05,436 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 17:31:05,436 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 17:31:05,437 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 17:31:05,438 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 17:31:05,439 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 17:31:05,440 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-13 17:31:05,440 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-11-13 17:31:05,440 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 17:31:05,441 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-11-13 17:31:05,442 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-11-13 17:31:05,442 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-13 17:31:05,442 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 17:31:05,443 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 17:31:05,443 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 17:31:05,443 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2021-11-13 17:31:05,443 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2021-11-13 17:31:05,444 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-11-13 17:31:05,444 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-13 17:31:05,444 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-13 17:31:05,445 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-13 17:31:05,445 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 17:31:05,445 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-11-13 17:31:05,445 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-11-13 17:31:05,446 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:31:05,446 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 17:31:05,447 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 17:31:05,447 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 17:31:05,447 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2021-11-13 17:31:05,447 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-11-13 17:31:05,448 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-11-13 17:31:05,448 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 17:31:05,448 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 17:31:05,449 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-11-13 17:31:05,449 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-11-13 17:31:05,449 INFO  L138        SettingsManager]:  * Logic for external solver=AUFBV
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y
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 ! call(reach_error())) )


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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11f7724b26aaacc400564e4846b80581065da794226b0399a61dc9422d54755f
[2021-11-13 17:31:05,869 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 17:31:05,891 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 17:31:05,894 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 17:31:05,895 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-13 17:31:05,896 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-13 17:31:05,897 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c
[2021-11-13 17:31:05,972 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/data/4e1ab8456/d4be5db243b041ebbd1fc307559b3376/FLAGe02ebdd11
[2021-11-13 17:31:06,613 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-13 17:31:06,614 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c
[2021-11-13 17:31:06,625 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/data/4e1ab8456/d4be5db243b041ebbd1fc307559b3376/FLAGe02ebdd11
[2021-11-13 17:31:06,642 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/data/4e1ab8456/d4be5db243b041ebbd1fc307559b3376
[2021-11-13 17:31:06,644 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 17:31:06,647 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 17:31:06,650 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 17:31:06,650 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 17:31:06,658 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 17:31:06,659 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:06" (1/1) ...
[2021-11-13 17:31:06,660 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4585960f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:06, skipping insertion in model container
[2021-11-13 17:31:06,661 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:06" (1/1) ...
[2021-11-13 17:31:06,668 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-13 17:31:06,708 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-13 17:31:07,026 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446]
[2021-11-13 17:31:07,030 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:31:07,062 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-13 17:31:07,156 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446]
[2021-11-13 17:31:07,160 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:31:07,179 INFO  L208         MainTranslator]: Completed translation
[2021-11-13 17:31:07,180 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07 WrapperNode
[2021-11-13 17:31:07,180 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 17:31:07,182 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 17:31:07,182 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 17:31:07,182 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 17:31:07,190 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ...
[2021-11-13 17:31:07,220 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ...
[2021-11-13 17:31:07,274 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 17:31:07,276 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 17:31:07,277 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 17:31:07,277 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 17:31:07,286 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ...
[2021-11-13 17:31:07,287 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ...
[2021-11-13 17:31:07,305 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ...
[2021-11-13 17:31:07,313 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ...
[2021-11-13 17:31:07,343 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ...
[2021-11-13 17:31:07,350 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ...
[2021-11-13 17:31:07,353 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ...
[2021-11-13 17:31:07,365 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 17:31:07,367 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 17:31:07,368 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 17:31:07,368 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-13 17:31:07,369 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ...
[2021-11-13 17:31:07,379 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:31:07,391 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:31:07,403 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 17:31:07,428 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 17:31:07,458 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2021-11-13 17:31:07,459 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 17:31:07,459 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4
[2021-11-13 17:31:07,459 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2021-11-13 17:31:07,460 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 17:31:07,460 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 17:31:07,460 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4
[2021-11-13 17:31:07,460 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2021-11-13 17:31:07,461 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 17:31:19,739 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 17:31:19,748 INFO  L299             CfgBuilder]: Removed 16 assume(true) statements.
[2021-11-13 17:31:19,749 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:19 BoogieIcfgContainer
[2021-11-13 17:31:19,750 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 17:31:19,751 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 17:31:19,751 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 17:31:19,753 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-11-13 17:31:19,753 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:31:06" (1/3) ...
[2021-11-13 17:31:19,754 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20252aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:31:19, skipping insertion in model container
[2021-11-13 17:31:19,754 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (2/3) ...
[2021-11-13 17:31:19,754 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20252aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:31:19, skipping insertion in model container
[2021-11-13 17:31:19,754 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:19" (3/3) ...
[2021-11-13 17:31:19,755 INFO  L111   eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a.c
[2021-11-13 17:31:19,760 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 17:31:19,760 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 17:31:19,817 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 17:31:19,824 INFO  L339      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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR
[2021-11-13 17:31:19,824 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 17:31:19,841 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 56 states, 54 states have (on average 1.6666666666666667) internal successors, (90), 55 states have internal predecessors, (90), 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)
[2021-11-13 17:31:19,846 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2021-11-13 17:31:19,847 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 17:31:19,847 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:31:19,848 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:31:19,859 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:31:19,860 INFO  L85        PathProgramCache]: Analyzing trace with hash -1900532880, now seen corresponding path program 1 times
[2021-11-13 17:31:19,871 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 17:31:19,871 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188086178]
[2021-11-13 17:31:19,871 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:31:19,872 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 17:31:19,872 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 17:31:19,874 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 17:31:19,876 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2021-11-13 17:31:20,580 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:31:20,613 INFO  L263         TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core
[2021-11-13 17:31:20,617 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:31:20,710 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:31:20,710 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:31:20,779 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:31:20,780 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 17:31:20,780 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188086178]
[2021-11-13 17:31:20,781 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [188086178] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:31:20,781 INFO  L186   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:31:20,782 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2021-11-13 17:31:20,783 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703266974]
[2021-11-13 17:31:20,784 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 17:31:20,789 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 17:31:20,789 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 17:31:20,816 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 17:31:20,817 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 17:31:20,820 INFO  L87              Difference]: Start difference. First operand  has 56 states, 54 states have (on average 1.6666666666666667) internal successors, (90), 55 states have internal predecessors, (90), 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) Second operand  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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)
[2021-11-13 17:31:20,842 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:31:20,842 INFO  L93              Difference]: Finished difference Result 110 states and 178 transitions.
[2021-11-13 17:31:20,843 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-13 17:31:20,845 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) Word has length 9
[2021-11-13 17:31:20,845 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:31:20,854 INFO  L225             Difference]: With dead ends: 110
[2021-11-13 17:31:20,854 INFO  L226             Difference]: Without dead ends: 53
[2021-11-13 17:31:20,858 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 17:31:20,862 INFO  L933         BasicCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.20ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:31:20,863 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.20ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time]
[2021-11-13 17:31:20,881 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2021-11-13 17:31:20,904 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53.
[2021-11-13 17:31:20,906 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 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)
[2021-11-13 17:31:20,908 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions.
[2021-11-13 17:31:20,909 INFO  L78                 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 9
[2021-11-13 17:31:20,910 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:31:20,910 INFO  L470      AbstractCegarLoop]: Abstraction has 53 states and 70 transitions.
[2021-11-13 17:31:20,910 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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)
[2021-11-13 17:31:20,910 INFO  L276                IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions.
[2021-11-13 17:31:20,911 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-11-13 17:31:20,911 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 17:31:20,911 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:31:20,940 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0
[2021-11-13 17:31:21,128 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 17:31:21,128 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:31:21,129 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:31:21,129 INFO  L85        PathProgramCache]: Analyzing trace with hash 1487817933, now seen corresponding path program 1 times
[2021-11-13 17:31:21,130 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 17:31:21,130 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23737468]
[2021-11-13 17:31:21,130 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:31:21,130 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 17:31:21,131 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 17:31:21,132 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 17:31:21,134 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2021-11-13 17:31:21,761 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:31:21,793 INFO  L263         TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-11-13 17:31:21,795 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:31:22,228 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:31:22,229 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:31:22,636 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:31:22,636 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 17:31:22,636 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [23737468]
[2021-11-13 17:31:22,636 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [23737468] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:31:22,637 INFO  L186   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:31:22,637 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8
[2021-11-13 17:31:22,637 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762678832]
[2021-11-13 17:31:22,637 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 17:31:22,638 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-13 17:31:22,639 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 17:31:22,640 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-13 17:31:22,640 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2021-11-13 17:31:22,640 INFO  L87              Difference]: Start difference. First operand 53 states and 70 transitions. Second operand  has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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)
[2021-11-13 17:31:25,312 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:31:27,616 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:31:29,808 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:31:31,816 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:31:31,930 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:31:31,932 INFO  L93              Difference]: Finished difference Result 96 states and 124 transitions.
[2021-11-13 17:31:31,933 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-13 17:31:31,933 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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) Word has length 10
[2021-11-13 17:31:31,934 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:31:31,936 INFO  L225             Difference]: With dead ends: 96
[2021-11-13 17:31:31,936 INFO  L226             Difference]: Without dead ends: 91
[2021-11-13 17:31:31,937 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2021-11-13 17:31:31,939 INFO  L933         BasicCegarLoop]: 108 mSDtfsCounter, 56 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8968.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.96ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 26 IncrementalHoareTripleChecker+Unchecked, 9258.54ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:31:31,939 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 565 Invalid, 39 Unknown, 0 Unchecked, 5.96ms Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 4 Unknown, 26 Unchecked, 9258.54ms Time]
[2021-11-13 17:31:31,941 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2021-11-13 17:31:31,947 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 53.
[2021-11-13 17:31:31,948 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 52 states have internal predecessors, (69), 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)
[2021-11-13 17:31:31,949 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions.
[2021-11-13 17:31:31,949 INFO  L78                 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 10
[2021-11-13 17:31:31,949 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:31:31,949 INFO  L470      AbstractCegarLoop]: Abstraction has 53 states and 69 transitions.
[2021-11-13 17:31:31,950 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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)
[2021-11-13 17:31:31,950 INFO  L276                IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions.
[2021-11-13 17:31:31,950 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-11-13 17:31:31,951 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 17:31:31,951 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:31:31,968 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0
[2021-11-13 17:31:32,152 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 17:31:32,156 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:31:32,157 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:31:32,157 INFO  L85        PathProgramCache]: Analyzing trace with hash -1242404338, now seen corresponding path program 1 times
[2021-11-13 17:31:32,157 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 17:31:32,158 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819056642]
[2021-11-13 17:31:32,158 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:31:32,158 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 17:31:32,158 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 17:31:32,159 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 17:31:32,167 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2021-11-13 17:31:32,785 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:31:32,817 INFO  L263         TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-11-13 17:31:32,818 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:31:33,518 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:31:33,518 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:31:34,003 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:31:34,003 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 17:31:34,004 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819056642]
[2021-11-13 17:31:34,004 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1819056642] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:31:34,004 INFO  L186   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:31:34,004 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9
[2021-11-13 17:31:34,005 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280077739]
[2021-11-13 17:31:34,005 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 17:31:34,005 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-11-13 17:31:34,005 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 17:31:34,006 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-11-13 17:31:34,006 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2021-11-13 17:31:34,006 INFO  L87              Difference]: Start difference. First operand 53 states and 69 transitions. Second operand  has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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)
[2021-11-13 17:31:37,178 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:31:39,888 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:31:40,976 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:31:43,688 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:31:45,714 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:31:46,922 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:31:49,311 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:31:51,316 WARN  L515   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:31:51,582 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:31:51,583 INFO  L93              Difference]: Finished difference Result 63 states and 77 transitions.
[2021-11-13 17:31:51,587 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-11-13 17:31:51,587 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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) Word has length 11
[2021-11-13 17:31:51,587 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:31:51,588 INFO  L225             Difference]: With dead ends: 63
[2021-11-13 17:31:51,588 INFO  L226             Difference]: Without dead ends: 58
[2021-11-13 17:31:51,589 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132
[2021-11-13 17:31:51,590 INFO  L933         BasicCegarLoop]: 61 mSDtfsCounter, 28 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16650.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.60ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17207.36ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:31:51,591 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 385 Invalid, 64 Unknown, 0 Unchecked, 2.60ms Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 6 Unknown, 0 Unchecked, 17207.36ms Time]
[2021-11-13 17:31:51,592 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2021-11-13 17:31:51,596 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 53.
[2021-11-13 17:31:51,597 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 52 states have internal predecessors, (68), 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)
[2021-11-13 17:31:51,598 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions.
[2021-11-13 17:31:51,598 INFO  L78                 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 11
[2021-11-13 17:31:51,598 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:31:51,599 INFO  L470      AbstractCegarLoop]: Abstraction has 53 states and 68 transitions.
[2021-11-13 17:31:51,599 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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)
[2021-11-13 17:31:51,599 INFO  L276                IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions.
[2021-11-13 17:31:51,599 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-11-13 17:31:51,600 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 17:31:51,600 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:31:51,628 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2021-11-13 17:31:51,820 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 17:31:51,820 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:31:51,821 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:31:51,821 INFO  L85        PathProgramCache]: Analyzing trace with hash 601206874, now seen corresponding path program 1 times
[2021-11-13 17:31:51,822 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 17:31:51,822 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191550228]
[2021-11-13 17:31:51,822 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:31:51,822 INFO  L168          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 17:31:51,823 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 17:31:51,824 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 17:31:51,835 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2021-11-13 17:31:53,225 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:31:53,303 INFO  L263         TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-11-13 17:31:53,304 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:31:53,724 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:31:53,724 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:31:54,263 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:31:54,263 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 17:31:54,265 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191550228]
[2021-11-13 17:31:54,265 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191550228] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:31:54,265 INFO  L186   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:31:54,265 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8
[2021-11-13 17:31:54,265 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759280244]
[2021-11-13 17:31:54,266 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 17:31:54,266 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-13 17:31:54,266 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 17:31:54,267 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-13 17:31:54,267 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2021-11-13 17:31:54,267 INFO  L87              Difference]: Start difference. First operand 53 states and 68 transitions. Second operand  has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 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)
[2021-11-13 17:31:54,289 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:31:54,289 INFO  L93              Difference]: Finished difference Result 53 states and 68 transitions.
[2021-11-13 17:31:54,290 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-11-13 17:31:54,290 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 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) Word has length 13
[2021-11-13 17:31:54,291 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:31:54,291 INFO  L225             Difference]: With dead ends: 53
[2021-11-13 17:31:54,291 INFO  L226             Difference]: Without dead ends: 0
[2021-11-13 17:31:54,291 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2021-11-13 17:31:54,293 INFO  L933         BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.12ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 19.13ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:31:54,293 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 5 Unknown, 0 Unchecked, 0.12ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 3 Unchecked, 19.13ms Time]
[2021-11-13 17:31:54,294 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-11-13 17:31:54,295 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-11-13 17:31:54,295 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)
[2021-11-13 17:31:54,295 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-11-13 17:31:54,295 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13
[2021-11-13 17:31:54,295 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:31:54,296 INFO  L470      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 17:31:54,296 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 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)
[2021-11-13 17:31:54,296 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-11-13 17:31:54,296 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2021-11-13 17:31:54,299 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 17:31:54,332 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2021-11-13 17:31:54,512 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 17:31:54,513 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-11-13 17:31:54,819 INFO  L858   garLoopResultBuilder]: For program point L85(lines 85 89) no Hoare annotation was computed.
[2021-11-13 17:31:54,820 INFO  L858   garLoopResultBuilder]: For program point L85-2(lines 85 89) no Hoare annotation was computed.
[2021-11-13 17:31:54,820 INFO  L858   garLoopResultBuilder]: For program point L234(lines 234 237) no Hoare annotation was computed.
[2021-11-13 17:31:54,820 INFO  L858   garLoopResultBuilder]: For program point L201-1(lines 201 205) no Hoare annotation was computed.
[2021-11-13 17:31:54,821 INFO  L854   garLoopResultBuilder]: At program point L201-2(lines 201 205) the Hoare annotation is: false
[2021-11-13 17:31:54,821 INFO  L858   garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed.
[2021-11-13 17:31:54,821 INFO  L858   garLoopResultBuilder]: For program point L69-1(lines 69 73) no Hoare annotation was computed.
[2021-11-13 17:31:54,821 INFO  L858   garLoopResultBuilder]: For program point L102-2(lines 102 106) no Hoare annotation was computed.
[2021-11-13 17:31:54,821 INFO  L854   garLoopResultBuilder]: At program point L69-2(lines 69 73) the Hoare annotation is: false
[2021-11-13 17:31:54,822 INFO  L858   garLoopResultBuilder]: For program point L69-3(lines 69 73) no Hoare annotation was computed.
[2021-11-13 17:31:54,822 INFO  L858   garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-11-13 17:31:54,822 INFO  L858   garLoopResultBuilder]: For program point L86-2(lines 86 87) no Hoare annotation was computed.
[2021-11-13 17:31:54,822 INFO  L854   garLoopResultBuilder]: At program point L86-3(lines 86 87) the Hoare annotation is: false
[2021-11-13 17:31:54,822 INFO  L858   garLoopResultBuilder]: For program point L86-4(lines 86 87) no Hoare annotation was computed.
[2021-11-13 17:31:54,823 INFO  L858   garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed.
[2021-11-13 17:31:54,823 INFO  L858   garLoopResultBuilder]: For program point L169(lines 169 184) no Hoare annotation was computed.
[2021-11-13 17:31:54,823 INFO  L858   garLoopResultBuilder]: For program point L169-1(lines 169 184) no Hoare annotation was computed.
[2021-11-13 17:31:54,823 INFO  L858   garLoopResultBuilder]: For program point L170(lines 170 183) no Hoare annotation was computed.
[2021-11-13 17:31:54,824 INFO  L858   garLoopResultBuilder]: For program point L137(lines 137 141) no Hoare annotation was computed.
[2021-11-13 17:31:54,824 INFO  L858   garLoopResultBuilder]: For program point L137-1(lines 130 143) no Hoare annotation was computed.
[2021-11-13 17:31:54,824 INFO  L858   garLoopResultBuilder]: For program point L137-2(lines 137 141) no Hoare annotation was computed.
[2021-11-13 17:31:54,824 INFO  L854   garLoopResultBuilder]: At program point L220(lines 155 221) the Hoare annotation is: (and (= (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_asinf_#res#1|) (= |ULTIMATE.start___ieee754_asinf_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))
[2021-11-13 17:31:54,825 INFO  L858   garLoopResultBuilder]: For program point L171(lines 171 172) no Hoare annotation was computed.
[2021-11-13 17:31:54,825 INFO  L858   garLoopResultBuilder]: For program point L123-1(lines 123 127) no Hoare annotation was computed.
[2021-11-13 17:31:54,825 INFO  L854   garLoopResultBuilder]: At program point L123-2(lines 123 127) the Hoare annotation is: false
[2021-11-13 17:31:54,825 INFO  L858   garLoopResultBuilder]: For program point L123-3(lines 123 127) no Hoare annotation was computed.
[2021-11-13 17:31:54,825 INFO  L861   garLoopResultBuilder]: At program point L239(lines 223 240) the Hoare annotation is: true
[2021-11-13 17:31:54,826 INFO  L858   garLoopResultBuilder]: For program point L206(lines 206 210) no Hoare annotation was computed.
[2021-11-13 17:31:54,826 INFO  L858   garLoopResultBuilder]: For program point L206-1(lines 198 216) no Hoare annotation was computed.
[2021-11-13 17:31:54,826 INFO  L858   garLoopResultBuilder]: For program point L206-2(lines 206 210) no Hoare annotation was computed.
[2021-11-13 17:31:54,826 INFO  L858   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-11-13 17:31:54,827 INFO  L858   garLoopResultBuilder]: For program point L158-1(lines 158 162) no Hoare annotation was computed.
[2021-11-13 17:31:54,827 INFO  L854   garLoopResultBuilder]: At program point L158-2(lines 158 162) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_asinf_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))
[2021-11-13 17:31:54,827 INFO  L858   garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed.
[2021-11-13 17:31:54,827 INFO  L858   garLoopResultBuilder]: For program point L158-3(lines 158 162) no Hoare annotation was computed.
[2021-11-13 17:31:54,828 INFO  L858   garLoopResultBuilder]: For program point L92-2(lines 92 93) no Hoare annotation was computed.
[2021-11-13 17:31:54,828 INFO  L854   garLoopResultBuilder]: At program point L142(lines 130 143) the Hoare annotation is: false
[2021-11-13 17:31:54,828 INFO  L858   garLoopResultBuilder]: For program point L76(lines 76 77) no Hoare annotation was computed.
[2021-11-13 17:31:54,828 INFO  L854   garLoopResultBuilder]: At program point L60(line 60) the Hoare annotation is: (and (= (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_asinf_#res#1|) (= |ULTIMATE.start___ieee754_asinf_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|))
[2021-11-13 17:31:54,828 INFO  L858   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-11-13 17:31:54,829 INFO  L858   garLoopResultBuilder]: For program point L111(lines 111 120) no Hoare annotation was computed.
[2021-11-13 17:31:54,829 INFO  L854   garLoopResultBuilder]: At program point L128(lines 64 129) the Hoare annotation is: false
[2021-11-13 17:31:54,829 INFO  L858   garLoopResultBuilder]: For program point L79(lines 79 80) no Hoare annotation was computed.
[2021-11-13 17:31:54,829 INFO  L858   garLoopResultBuilder]: For program point L195(lines 195 216) no Hoare annotation was computed.
[2021-11-13 17:31:54,830 INFO  L858   garLoopResultBuilder]: For program point L195-2(lines 155 221) no Hoare annotation was computed.
[2021-11-13 17:31:54,830 INFO  L858   garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed.
[2021-11-13 17:31:54,830 INFO  L858   garLoopResultBuilder]: For program point L81(lines 81 82) no Hoare annotation was computed.
[2021-11-13 17:31:54,830 INFO  L858   garLoopResultBuilder]: For program point L164(lines 164 184) no Hoare annotation was computed.
[2021-11-13 17:31:54,830 INFO  L858   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-11-13 17:31:54,831 INFO  L858   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 235) no Hoare annotation was computed.
[2021-11-13 17:31:54,831 INFO  L858   garLoopResultBuilder]: For program point L115(lines 115 118) no Hoare annotation was computed.
[2021-11-13 17:31:54,831 INFO  L858   garLoopResultBuilder]: For program point L132-1(lines 132 136) no Hoare annotation was computed.
[2021-11-13 17:31:54,831 INFO  L854   garLoopResultBuilder]: At program point L132-2(lines 132 136) the Hoare annotation is: false
[2021-11-13 17:31:54,831 INFO  L854   garLoopResultBuilder]: At program point L100-2(lines 100 109) the Hoare annotation is: false
[2021-11-13 17:31:54,832 INFO  L858   garLoopResultBuilder]: For program point L100-3(lines 64 129) no Hoare annotation was computed.
[2021-11-13 17:31:54,832 INFO  L858   garLoopResultBuilder]: For program point L167(lines 167 184) no Hoare annotation was computed.
[2021-11-13 17:31:54,835 INFO  L732         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2021-11-13 17:31:54,837 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 17:31:54,848 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,849 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,849 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,849 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,849 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,850 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,850 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,850 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,850 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,850 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,851 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,851 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,854 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,855 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,855 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,855 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,855 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,855 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,856 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,856 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,856 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,856 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,857 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,857 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,859 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,859 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,860 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,860 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,861 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,861 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,861 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,861 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,862 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,862 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,862 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,862 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,862 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,863 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,864 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,865 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,865 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,865 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,865 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,865 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,866 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,866 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,866 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,866 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,866 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,867 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,868 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:31:54 BoogieIcfgContainer
[2021-11-13 17:31:54,868 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 17:31:54,869 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 17:31:54,869 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-11-13 17:31:54,869 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-11-13 17:31:54,870 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:19" (3/4) ...
[2021-11-13 17:31:54,872 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-11-13 17:31:54,886 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges
[2021-11-13 17:31:54,886 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2021-11-13 17:31:54,887 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-11-13 17:31:54,887 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-11-13 17:31:54,912 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven
[2021-11-13 17:31:54,912 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result
[2021-11-13 17:31:54,936 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 17:31:54,937 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 17:31:54,937 INFO  L158              Benchmark]: Toolchain (without parser) took 48290.83ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 30.1MB in the beginning and 34.0MB in the end (delta: -3.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB.
[2021-11-13 17:31:54,938 INFO  L158              Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 34.8MB in the beginning and 34.7MB in the end (delta: 34.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:31:54,938 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 530.50ms. Allocated memory is still 54.5MB. Free memory was 29.9MB in the beginning and 28.1MB in the end (delta: 1.8MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB.
[2021-11-13 17:31:54,939 INFO  L158              Benchmark]: Boogie Procedure Inliner took 93.98ms. Allocated memory is still 54.5MB. Free memory was 28.1MB in the beginning and 25.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:31:54,939 INFO  L158              Benchmark]: Boogie Preprocessor took 89.89ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 25.7MB in the beginning and 57.4MB in the end (delta: -31.7MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB.
[2021-11-13 17:31:54,940 INFO  L158              Benchmark]: RCFGBuilder took 12382.79ms. Allocated memory is still 75.5MB. Free memory was 57.1MB in the beginning and 56.2MB in the end (delta: 946.2kB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2021-11-13 17:31:54,940 INFO  L158              Benchmark]: TraceAbstraction took 35117.22ms. Allocated memory is still 75.5MB. Free memory was 55.6MB in the beginning and 39.3MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB.
[2021-11-13 17:31:54,941 INFO  L158              Benchmark]: Witness Printer took 68.24ms. Allocated memory is still 75.5MB. Free memory was 39.3MB in the beginning and 34.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2021-11-13 17:31:54,943 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 34.8MB in the beginning and 34.7MB in the end (delta: 34.3kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 530.50ms. Allocated memory is still 54.5MB. Free memory was 29.9MB in the beginning and 28.1MB in the end (delta: 1.8MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 93.98ms. Allocated memory is still 54.5MB. Free memory was 28.1MB in the beginning and 25.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 89.89ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 25.7MB in the beginning and 57.4MB in the end (delta: -31.7MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB.
 * RCFGBuilder took 12382.79ms. Allocated memory is still 75.5MB. Free memory was 57.1MB in the beginning and 56.2MB in the end (delta: 946.2kB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
 * TraceAbstraction took 35117.22ms. Allocated memory is still 75.5MB. Free memory was 55.6MB in the beginning and 39.3MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB.
 * Witness Printer took 68.24ms. Allocated memory is still 75.5MB. Free memory was 39.3MB in the beginning and 34.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor:
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
  - GenericResult: Unfinished Backtranslation
    Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
 * 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: 235]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 27.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 26485.04ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 1033 SdHoareTripleChecker+Invalid, 25637.96ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 29 IncrementalHoareTripleChecker+Unchecked, 788 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 245 mSDtfsCounter, 66 mSolverCounterSat, 9.88ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 43 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 16 NumberOfFragments, 112 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 78 ConstructedInterpolants, 11 QuantifiedInterpolants, 400 SizeOfPredicates, 25 NumberOfNonLiveVariables, 248 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 69]: Loop Invariant
    Derived loop invariant: 0
  - InvariantResult [Line: 123]: Loop Invariant
    Derived loop invariant: 0
  - InvariantResult [Line: 60]: Loop Invariant
[2021-11-13 17:31:54,957 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,958 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,958 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,958 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,958 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,958 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,959 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,959 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,959 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,959 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,959 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,960 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,961 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,961 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,961 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,961 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,961 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,961 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,962 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,962 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,962 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,962 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,962 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,963 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
    Derived loop invariant: ((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result
  - InvariantResult [Line: 223]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 201]: Loop Invariant
    Derived loop invariant: 0
  - InvariantResult [Line: 64]: Loop Invariant
    Derived loop invariant: 0
  - InvariantResult [Line: 158]: Loop Invariant
[2021-11-13 17:31:54,964 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,964 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
    Derived loop invariant: x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven
  - InvariantResult [Line: 155]: Loop Invariant
[2021-11-13 17:31:54,965 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,965 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,965 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,965 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,965 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,966 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,966 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,966 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,966 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,966 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,967 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,967 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,967 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,967 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,968 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,968 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,968 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,968 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,968 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,969 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,969 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,969 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,969 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 17:31:54,969 WARN  L418   cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
    Derived loop invariant: (~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven
  - InvariantResult [Line: 130]: Loop Invariant
    Derived loop invariant: 0
  - InvariantResult [Line: 132]: Loop Invariant
    Derived loop invariant: 0
  - InvariantResult [Line: 100]: Loop Invariant
    Derived loop invariant: 0
  - InvariantResult [Line: 86]: Loop Invariant
    Derived loop invariant: 0
RESULT: Ultimate proved your program to be correct!
[2021-11-13 17:31:55,137 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6dd2dd-d1fa-4fe0-a8e6-4cc84422e711/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE