./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0834.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 4e77c044
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0834.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt --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 e8b1416b540dbb813494b01b5a02a679db992735
.................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0834.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt --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 e8b1416b540dbb813494b01b5a02a679db992735
...................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms

--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-4e77c04
[2021-10-13 00:52:14,147 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-13 00:52:14,149 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-13 00:52:14,202 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-13 00:52:14,202 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-13 00:52:14,207 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-13 00:52:14,209 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-13 00:52:14,214 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-13 00:52:14,216 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-13 00:52:14,217 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-13 00:52:14,218 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-13 00:52:14,220 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-13 00:52:14,220 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-13 00:52:14,222 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-13 00:52:14,223 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-13 00:52:14,225 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-13 00:52:14,226 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-13 00:52:14,227 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-13 00:52:14,229 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-13 00:52:14,232 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-13 00:52:14,233 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-13 00:52:14,235 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-13 00:52:14,236 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-13 00:52:14,237 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-13 00:52:14,241 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-13 00:52:14,242 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-13 00:52:14,242 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-13 00:52:14,243 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-13 00:52:14,244 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-13 00:52:14,245 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-13 00:52:14,246 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-13 00:52:14,247 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-13 00:52:14,248 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-13 00:52:14,249 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-13 00:52:14,250 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-13 00:52:14,250 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-13 00:52:14,251 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-13 00:52:14,252 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-13 00:52:14,252 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-13 00:52:14,253 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-13 00:52:14,254 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-13 00:52:14,255 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-13 00:52:14,282 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-13 00:52:14,282 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-13 00:52:14,282 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-13 00:52:14,283 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-13 00:52:14,284 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-13 00:52:14,284 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-13 00:52:14,284 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-13 00:52:14,285 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-13 00:52:14,285 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-13 00:52:14,285 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-13 00:52:14,285 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-13 00:52:14,286 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-13 00:52:14,286 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-13 00:52:14,286 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-13 00:52:14,286 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-13 00:52:14,287 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-13 00:52:14,287 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-13 00:52:14,287 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-13 00:52:14,287 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-13 00:52:14,287 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-13 00:52:14,288 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-13 00:52:14,288 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-13 00:52:14,288 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-13 00:52:14,288 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-13 00:52:14,289 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-13 00:52:14,289 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-13 00:52:14,289 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-13 00:52:14,289 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-13 00:52:14,290 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-13 00:52:14,290 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-13 00:52:14,290 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_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/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_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt
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 -> e8b1416b540dbb813494b01b5a02a679db992735
[2021-10-13 00:52:14,553 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-13 00:52:14,576 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-13 00:52:14,579 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-13 00:52:14,580 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-13 00:52:14,581 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-13 00:52:14,582 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/float_req_bl_0834.c
[2021-10-13 00:52:14,652 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/data/df2f19ad1/ae9e94b87bc543d688c567b64385f781/FLAGa42058932
[2021-10-13 00:52:15,119 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-13 00:52:15,119 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/sv-benchmarks/c/float-newlib/float_req_bl_0834.c
[2021-10-13 00:52:15,128 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/data/df2f19ad1/ae9e94b87bc543d688c567b64385f781/FLAGa42058932
[2021-10-13 00:52:15,494 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/data/df2f19ad1/ae9e94b87bc543d688c567b64385f781
[2021-10-13 00:52:15,497 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-13 00:52:15,499 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-13 00:52:15,502 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-13 00:52:15,502 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-13 00:52:15,507 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-13 00:52:15,508 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:52:15" (1/1) ...
[2021-10-13 00:52:15,509 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e834cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:15, skipping insertion in model container
[2021-10-13 00:52:15,511 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:52:15" (1/1) ...
[2021-10-13 00:52:15,519 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-13 00:52:15,569 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-13 00:52:15,842 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_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/sv-benchmarks/c/float-newlib/float_req_bl_0834.c[3447,3460]
[2021-10-13 00:52:15,844 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 00:52:15,853 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-13 00:52:15,884 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_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/sv-benchmarks/c/float-newlib/float_req_bl_0834.c[3447,3460]
[2021-10-13 00:52:15,885 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 00:52:15,900 INFO  L208         MainTranslator]: Completed translation
[2021-10-13 00:52:15,901 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:15 WrapperNode
[2021-10-13 00:52:15,901 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-13 00:52:15,902 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-13 00:52:15,902 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-13 00:52:15,902 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-13 00:52:15,913 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:15" (1/1) ...
[2021-10-13 00:52:15,934 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:15" (1/1) ...
[2021-10-13 00:52:15,985 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-13 00:52:15,987 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-13 00:52:15,988 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-13 00:52:15,988 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-13 00:52:15,997 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:15" (1/1) ...
[2021-10-13 00:52:15,997 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:15" (1/1) ...
[2021-10-13 00:52:16,011 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:15" (1/1) ...
[2021-10-13 00:52:16,013 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:15" (1/1) ...
[2021-10-13 00:52:16,022 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:15" (1/1) ...
[2021-10-13 00:52:16,038 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:15" (1/1) ...
[2021-10-13 00:52:16,048 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:15" (1/1) ...
[2021-10-13 00:52:16,056 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-13 00:52:16,057 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-13 00:52:16,057 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-13 00:52:16,057 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-13 00:52:16,058 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:15" (1/1) ...
[2021-10-13 00:52:16,065 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-13 00:52:16,079 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/z3
[2021-10-13 00:52:16,091 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-13 00:52:16,115 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-13 00:52:16,155 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-13 00:52:16,156 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-13 00:52:16,158 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-10-13 00:52:16,158 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real
[2021-10-13 00:52:16,158 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real
[2021-10-13 00:52:16,158 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-13 00:52:16,159 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-13 00:52:16,159 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-10-13 00:52:16,159 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~real
[2021-10-13 00:52:16,159 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-13 00:52:16,640 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-13 00:52:16,640 INFO  L299             CfgBuilder]: Removed 20 assume(true) statements.
[2021-10-13 00:52:16,642 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:52:16 BoogieIcfgContainer
[2021-10-13 00:52:16,645 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-13 00:52:16,647 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-13 00:52:16,647 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-13 00:52:16,653 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-13 00:52:16,653 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:52:15" (1/3) ...
[2021-10-13 00:52:16,654 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5ea099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:52:16, skipping insertion in model container
[2021-10-13 00:52:16,654 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:15" (2/3) ...
[2021-10-13 00:52:16,655 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5ea099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:52:16, skipping insertion in model container
[2021-10-13 00:52:16,655 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:52:16" (3/3) ...
[2021-10-13 00:52:16,656 INFO  L111   eAbstractionObserver]: Analyzing ICFG float_req_bl_0834.c
[2021-10-13 00:52:16,662 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-13 00:52:16,662 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-13 00:52:16,736 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-13 00:52:16,746 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, mConcurrency=FINITE_AUTOMATA, 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
[2021-10-13 00:52:16,746 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-13 00:52:16,764 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 40 states, 38 states have (on average 1.6578947368421053) internal successors, (63), 39 states have internal predecessors, (63), 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)
[2021-10-13 00:52:16,769 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-13 00:52:16,770 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 00:52:16,771 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-13 00:52:16,771 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 00:52:16,780 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:52:16,780 INFO  L82        PathProgramCache]: Analyzing trace with hash 619608955, now seen corresponding path program 1 times
[2021-10-13 00:52:16,793 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 00:52:16,793 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480001309]
[2021-10-13 00:52:16,794 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:52:16,795 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 00:52:16,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 00:52:17,002 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 00:52:17,003 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 00:52:17,003 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480001309]
[2021-10-13 00:52:17,004 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480001309] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 00:52:17,004 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 00:52:17,005 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-13 00:52:17,006 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982449087]
[2021-10-13 00:52:17,011 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-10-13 00:52:17,011 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 00:52:17,024 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-10-13 00:52:17,025 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-13 00:52:17,027 INFO  L87              Difference]: Start difference. First operand  has 40 states, 38 states have (on average 1.6578947368421053) internal successors, (63), 39 states have internal predecessors, (63), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2021-10-13 00:52:17,071 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-13 00:52:17,071 INFO  L93              Difference]: Finished difference Result 78 states and 124 transitions.
[2021-10-13 00:52:17,071 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 00:52:17,073 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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
[2021-10-13 00:52:17,073 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-13 00:52:17,081 INFO  L225             Difference]: With dead ends: 78
[2021-10-13 00:52:17,082 INFO  L226             Difference]: Without dead ends: 37
[2021-10-13 00:52:17,084 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-13 00:52:17,121 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2021-10-13 00:52:17,135 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2021-10-13 00:52:17,137 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 37 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 36 states have internal predecessors, (47), 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)
[2021-10-13 00:52:17,138 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions.
[2021-10-13 00:52:17,140 INFO  L78                 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 11
[2021-10-13 00:52:17,140 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-13 00:52:17,141 INFO  L470      AbstractCegarLoop]: Abstraction has 37 states and 47 transitions.
[2021-10-13 00:52:17,141 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2021-10-13 00:52:17,141 INFO  L276                IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions.
[2021-10-13 00:52:17,142 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-10-13 00:52:17,142 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 00:52:17,142 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-13 00:52:17,143 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-13 00:52:17,143 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 00:52:17,144 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:52:17,144 INFO  L82        PathProgramCache]: Analyzing trace with hash -434363397, now seen corresponding path program 1 times
[2021-10-13 00:52:17,144 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 00:52:17,145 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746462367]
[2021-10-13 00:52:17,145 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:52:17,145 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 00:52:17,207 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 00:52:17,208 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-13 00:52:17,252 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 00:52:17,304 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-13 00:52:17,309 INFO  L626         BasicCegarLoop]: Counterexample is feasible
[2021-10-13 00:52:17,312 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-13 00:52:17,314 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-13 00:52:17,321 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-13 00:52:17,400 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:52:17 BoogieIcfgContainer
[2021-10-13 00:52:17,403 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-13 00:52:17,404 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-13 00:52:17,404 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-13 00:52:17,404 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-13 00:52:17,405 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:52:16" (3/4) ...
[2021-10-13 00:52:17,409 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2021-10-13 00:52:17,409 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-13 00:52:17,411 INFO  L168              Benchmark]: Toolchain (without parser) took 1911.23 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 50.9 MB in the beginning and 76.5 MB in the end (delta: -25.6 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-13 00:52:17,412 INFO  L168              Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory is still 67.3 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-13 00:52:17,413 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 399.28 ms. Allocated memory is still 92.3 MB. Free memory was 50.7 MB in the beginning and 65.5 MB in the end (delta: -14.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-13 00:52:17,413 INFO  L168              Benchmark]: Boogie Procedure Inliner took 84.56 ms. Allocated memory is still 92.3 MB. Free memory was 65.5 MB in the beginning and 63.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-13 00:52:17,414 INFO  L168              Benchmark]: Boogie Preprocessor took 68.92 ms. Allocated memory is still 92.3 MB. Free memory was 63.3 MB in the beginning and 61.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-13 00:52:17,415 INFO  L168              Benchmark]: RCFGBuilder took 588.36 ms. Allocated memory is still 92.3 MB. Free memory was 61.6 MB in the beginning and 46.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
[2021-10-13 00:52:17,416 INFO  L168              Benchmark]: TraceAbstraction took 756.40 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 45.9 MB in the beginning and 77.1 MB in the end (delta: -31.3 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-13 00:52:17,417 INFO  L168              Benchmark]: Witness Printer took 4.98 ms. Allocated memory is still 113.2 MB. Free memory was 77.1 MB in the beginning and 76.5 MB in the end (delta: 670.1 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-13 00:52:17,421 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory is still 67.3 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 399.28 ms. Allocated memory is still 92.3 MB. Free memory was 50.7 MB in the beginning and 65.5 MB in the end (delta: -14.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 84.56 ms. Allocated memory is still 92.3 MB. Free memory was 65.5 MB in the beginning and 63.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 68.92 ms. Allocated memory is still 92.3 MB. Free memory was 63.3 MB in the beginning and 61.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 588.36 ms. Allocated memory is still 92.3 MB. Free memory was 61.6 MB in the beginning and 46.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 756.40 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 45.9 MB in the beginning and 77.1 MB in the end (delta: -31.3 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * Witness Printer took 4.98 ms. Allocated memory is still 113.2 MB. Free memory was 77.1 MB in the beginning and 76.5 MB in the end (delta: 670.1 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - UnprovableResult [Line: 137]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of someBinaryArithmeticFLOAToperation at line 52, overapproximation of bitwiseAnd at line 121. 
Possible FailurePath: 
[L17-L36]             static const float one_exp = 1.0,
                   halF_exp[2] =
                       {
                           0.5,
                           -0.5,
},
                   huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31,
                   ln2HI_exp[2] =
                       {
                           6.9313812256e-01,
                           -6.9313812256e-01,
},
                   ln2LO_exp[2] =
                       {
                           9.0580006145e-06,
                           -9.0580006145e-06,
},
                   invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01,
                   P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05,
                   P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08;
           VAL        [halF_exp={7:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={9:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000]
[L132]                float x = 1.0f / 0.0f;
[L39]                 float y, hi, lo, c, t;
[L40]                 __int32_t k = 0, xsb, sx;
[L41]                 __uint32_t hx;
           VAL        [halF_exp={7:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={9:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000]
[L44]                 ieee_float_shape_type gf_u;
[L45]                 gf_u.value = (x)
[L46]      EXPR       gf_u.word
[L46]                 (sx) = gf_u.word
[L48]                 xsb = (sx >> 31) & 1
[L49]                 hx = sx & 0x7fffffff
           VAL        [halF_exp={7:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={9:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000]
[L51]      COND TRUE  ((hx) > 0x7f800000L)
[L52]                 return x + x;
           VAL        [halF_exp={7:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={9:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000]
[L133]                float res = __ieee754_expf(x);
[L115]                __int32_t ix;
           VAL        [halF_exp={7:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={9:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000]
[L117]                ieee_float_shape_type gf_u;
[L118]                gf_u.value = (x)
[L119]     EXPR       gf_u.word
[L119]                (ix) = gf_u.word
[L121]                ix &= 0x7fffffff
[L122]                return ((ix) == 0x7f800000L);
           VAL        [halF_exp={7:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={9:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000]
[L136]     COND TRUE  !isinf_float(res)
[L137]                reach_error()
           VAL        [halF_exp={7:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={9:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 585.0ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 11.1ms, AutomataDifference: 72.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 50 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 20.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 16.8ms SsaConstructionTime, 103.6ms SatisfiabilityAnalysisTime, 75.0ms InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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
[2021-10-13 00:52:17,476 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...

### Bit-precise run ###
This is Ultimate 0.2.1-dev-4e77c04
[2021-10-13 00:52:20,147 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-13 00:52:20,151 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-13 00:52:20,212 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-13 00:52:20,213 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-13 00:52:20,217 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-13 00:52:20,219 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-13 00:52:20,226 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-13 00:52:20,229 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-13 00:52:20,235 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-13 00:52:20,236 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-13 00:52:20,238 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-13 00:52:20,238 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-13 00:52:20,241 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-13 00:52:20,243 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-13 00:52:20,249 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-13 00:52:20,251 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-13 00:52:20,252 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-13 00:52:20,254 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-13 00:52:20,265 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-13 00:52:20,267 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-13 00:52:20,268 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-13 00:52:20,272 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-13 00:52:20,274 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-13 00:52:20,283 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-13 00:52:20,284 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-13 00:52:20,284 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-13 00:52:20,286 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-13 00:52:20,287 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-13 00:52:20,288 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-13 00:52:20,288 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-13 00:52:20,289 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-13 00:52:20,291 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-13 00:52:20,292 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-13 00:52:20,294 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-13 00:52:20,294 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-13 00:52:20,295 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-13 00:52:20,295 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-13 00:52:20,295 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-13 00:52:20,298 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-13 00:52:20,298 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-13 00:52:20,299 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2021-10-13 00:52:20,348 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-13 00:52:20,348 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-13 00:52:20,349 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-13 00:52:20,349 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-13 00:52:20,351 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-13 00:52:20,351 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-13 00:52:20,352 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-13 00:52:20,352 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-13 00:52:20,352 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-13 00:52:20,352 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-13 00:52:20,353 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-13 00:52:20,353 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-13 00:52:20,354 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-13 00:52:20,354 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-13 00:52:20,354 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2021-10-13 00:52:20,354 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2021-10-13 00:52:20,355 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-13 00:52:20,355 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-13 00:52:20,355 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-13 00:52:20,355 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-13 00:52:20,355 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-13 00:52:20,356 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-13 00:52:20,356 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-13 00:52:20,356 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-13 00:52:20,356 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-13 00:52:20,356 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-13 00:52:20,357 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-13 00:52:20,357 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2021-10-13 00:52:20,357 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-10-13 00:52:20,357 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-13 00:52:20,358 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-13 00:52:20,358 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-13 00:52:20,358 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_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/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_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt
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 -> e8b1416b540dbb813494b01b5a02a679db992735
[2021-10-13 00:52:20,803 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-13 00:52:20,835 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-13 00:52:20,839 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-13 00:52:20,841 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-13 00:52:20,841 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-13 00:52:20,844 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/float_req_bl_0834.c
[2021-10-13 00:52:20,916 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/data/0fc0a25c7/8d246e2a84c44b339f8a7c4003976ead/FLAGf3cdfd74c
[2021-10-13 00:52:21,497 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-13 00:52:21,498 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/sv-benchmarks/c/float-newlib/float_req_bl_0834.c
[2021-10-13 00:52:21,510 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/data/0fc0a25c7/8d246e2a84c44b339f8a7c4003976ead/FLAGf3cdfd74c
[2021-10-13 00:52:21,809 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/data/0fc0a25c7/8d246e2a84c44b339f8a7c4003976ead
[2021-10-13 00:52:21,818 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-13 00:52:21,819 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-13 00:52:21,821 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-13 00:52:21,821 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-13 00:52:21,826 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-13 00:52:21,827 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:52:21" (1/1) ...
[2021-10-13 00:52:21,828 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3f90ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:21, skipping insertion in model container
[2021-10-13 00:52:21,828 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:52:21" (1/1) ...
[2021-10-13 00:52:21,842 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-13 00:52:21,885 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-13 00:52:22,171 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_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/sv-benchmarks/c/float-newlib/float_req_bl_0834.c[3447,3460]
[2021-10-13 00:52:22,179 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 00:52:22,239 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-13 00:52:22,326 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_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/sv-benchmarks/c/float-newlib/float_req_bl_0834.c[3447,3460]
[2021-10-13 00:52:22,329 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 00:52:22,356 INFO  L208         MainTranslator]: Completed translation
[2021-10-13 00:52:22,357 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:22 WrapperNode
[2021-10-13 00:52:22,358 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-13 00:52:22,359 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-13 00:52:22,360 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-13 00:52:22,360 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-13 00:52:22,368 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:22" (1/1) ...
[2021-10-13 00:52:22,395 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:22" (1/1) ...
[2021-10-13 00:52:22,441 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-13 00:52:22,445 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-13 00:52:22,445 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-13 00:52:22,445 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-13 00:52:22,455 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:22" (1/1) ...
[2021-10-13 00:52:22,455 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:22" (1/1) ...
[2021-10-13 00:52:22,484 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:22" (1/1) ...
[2021-10-13 00:52:22,485 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:22" (1/1) ...
[2021-10-13 00:52:22,511 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:22" (1/1) ...
[2021-10-13 00:52:22,516 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:22" (1/1) ...
[2021-10-13 00:52:22,532 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:22" (1/1) ...
[2021-10-13 00:52:22,537 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-13 00:52:22,538 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-13 00:52:22,538 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-13 00:52:22,538 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-13 00:52:22,539 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:22" (1/1) ...
[2021-10-13 00:52:22,547 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-13 00:52:22,561 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/z3
[2021-10-13 00:52:22,574 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-13 00:52:22,594 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-13 00:52:22,630 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4
[2021-10-13 00:52:22,631 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2021-10-13 00:52:22,631 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-13 00:52:22,631 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4
[2021-10-13 00:52:22,631 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2021-10-13 00:52:22,632 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-13 00:52:22,632 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-13 00:52:22,632 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4
[2021-10-13 00:52:22,632 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2021-10-13 00:52:22,633 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-13 00:52:32,422 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-13 00:52:32,423 INFO  L299             CfgBuilder]: Removed 20 assume(true) statements.
[2021-10-13 00:52:32,425 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:52:32 BoogieIcfgContainer
[2021-10-13 00:52:32,426 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-13 00:52:32,428 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-13 00:52:32,428 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-13 00:52:32,432 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-13 00:52:32,432 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:52:21" (1/3) ...
[2021-10-13 00:52:32,433 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3dea3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:52:32, skipping insertion in model container
[2021-10-13 00:52:32,433 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:22" (2/3) ...
[2021-10-13 00:52:32,434 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3dea3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:52:32, skipping insertion in model container
[2021-10-13 00:52:32,434 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:52:32" (3/3) ...
[2021-10-13 00:52:32,436 INFO  L111   eAbstractionObserver]: Analyzing ICFG float_req_bl_0834.c
[2021-10-13 00:52:32,442 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-13 00:52:32,443 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-13 00:52:32,497 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-13 00:52:32,504 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, mConcurrency=FINITE_AUTOMATA, 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
[2021-10-13 00:52:32,504 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-13 00:52:32,519 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 40 states, 38 states have (on average 1.6578947368421053) internal successors, (63), 39 states have internal predecessors, (63), 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)
[2021-10-13 00:52:32,525 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-13 00:52:32,525 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 00:52:32,526 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-13 00:52:32,527 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 00:52:32,542 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:52:32,542 INFO  L82        PathProgramCache]: Analyzing trace with hash 619608955, now seen corresponding path program 1 times
[2021-10-13 00:52:32,557 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-13 00:52:32,558 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1347192736]
[2021-10-13 00:52:32,558 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:52:32,559 INFO  L170          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-10-13 00:52:32,559 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/mathsat
[2021-10-13 00:52:32,563 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-10-13 00:52:32,567 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2021-10-13 00:52:32,681 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2021-10-13 00:52:32,876 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3
[2021-10-13 00:52:32,877 FATAL L?                        ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:232)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.<init>(InterpolatingTraceCheck.java:90)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.<init>(TraceCheckSpWp.java:132)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:88)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:76)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:155)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms
	at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:577)
	at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282)
	at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertConjunctsOfCodeBlocks.java:238)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertConjuncts(AnnotateAndAssertConjunctsOfCodeBlocks.java:135)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertNonCall(AnnotateAndAssertConjunctsOfCodeBlocks.java:184)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:101)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:312)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:211)
	... 31 more
[2021-10-13 00:52:32,882 INFO  L168              Benchmark]: Toolchain (without parser) took 11061.54 ms. Allocated memory is still 90.2 MB. Free memory was 54.9 MB in the beginning and 39.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB.
[2021-10-13 00:52:32,883 INFO  L168              Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory was 71.4 MB in the beginning and 71.4 MB in the end (delta: 75.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-13 00:52:32,884 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 536.83 ms. Allocated memory is still 90.2 MB. Free memory was 54.8 MB in the beginning and 71.8 MB in the end (delta: -17.0 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB.
[2021-10-13 00:52:32,885 INFO  L168              Benchmark]: Boogie Procedure Inliner took 84.53 ms. Allocated memory is still 90.2 MB. Free memory was 71.8 MB in the beginning and 69.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-13 00:52:32,886 INFO  L168              Benchmark]: Boogie Preprocessor took 92.08 ms. Allocated memory is still 90.2 MB. Free memory was 69.5 MB in the beginning and 67.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-13 00:52:32,887 INFO  L168              Benchmark]: RCFGBuilder took 9888.17 ms. Allocated memory is still 90.2 MB. Free memory was 67.5 MB in the beginning and 49.8 MB in the end (delta: 17.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB.
[2021-10-13 00:52:32,906 INFO  L168              Benchmark]: TraceAbstraction took 452.11 ms. Allocated memory is still 90.2 MB. Free memory was 49.3 MB in the beginning and 39.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-13 00:52:32,909 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory was 71.4 MB in the beginning and 71.4 MB in the end (delta: 75.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 536.83 ms. Allocated memory is still 90.2 MB. Free memory was 54.8 MB in the beginning and 71.8 MB in the end (delta: -17.0 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 84.53 ms. Allocated memory is still 90.2 MB. Free memory was 71.8 MB in the beginning and 69.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 92.08 ms. Allocated memory is still 90.2 MB. Free memory was 69.5 MB in the beginning and 67.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 9888.17 ms. Allocated memory is still 90.2 MB. Free memory was 67.5 MB in the beginning and 49.8 MB in the end (delta: 17.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 452.11 ms. Allocated memory is still 90.2 MB. Free memory was 49.3 MB in the beginning and 39.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms
    de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:232)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2021-10-13 00:52:33,006 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f42cde2-543f-43e0-94f6-3e1eb6865a9b/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...