./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.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_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/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_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/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_823186ee-55de-455a-a5f1-2d9041139a06/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 ed4a460efb594a84f062221537c87307eeb15468
......................................................................................................................................................................................................................................................................................................................................
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_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/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_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/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_823186ee-55de-455a-a5f1-2d9041139a06/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 ed4a460efb594a84f062221537c87307eeb15468
...................................................................................................................................................................................................................................................................
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 00:16:24,040 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-13 00:16:24,042 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-13 00:16:24,089 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-13 00:16:24,089 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-13 00:16:24,090 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-13 00:16:24,099 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-13 00:16:24,103 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-13 00:16:24,105 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-13 00:16:24,112 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-13 00:16:24,113 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-13 00:16:24,115 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-13 00:16:24,116 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-13 00:16:24,118 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-13 00:16:24,121 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-13 00:16:24,123 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-13 00:16:24,124 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-13 00:16:24,125 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-13 00:16:24,127 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-13 00:16:24,129 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-13 00:16:24,131 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-13 00:16:24,132 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-13 00:16:24,134 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-13 00:16:24,134 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-13 00:16:24,138 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-13 00:16:24,138 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-13 00:16:24,139 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-13 00:16:24,140 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-13 00:16:24,140 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-13 00:16:24,141 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-13 00:16:24,141 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-13 00:16:24,142 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-13 00:16:24,143 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-13 00:16:24,144 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-13 00:16:24,145 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-13 00:16:24,145 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-13 00:16:24,146 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-13 00:16:24,146 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-13 00:16:24,147 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-13 00:16:24,148 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-13 00:16:24,148 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-13 00:16:24,149 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-13 00:16:24,179 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-13 00:16:24,179 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-13 00:16:24,180 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-13 00:16:24,180 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-13 00:16:24,181 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-13 00:16:24,182 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-13 00:16:24,182 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-13 00:16:24,183 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-13 00:16:24,183 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-13 00:16:24,183 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-13 00:16:24,184 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-13 00:16:24,184 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-13 00:16:24,184 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-13 00:16:24,185 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-13 00:16:24,185 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-13 00:16:24,185 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-13 00:16:24,185 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-13 00:16:24,185 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-13 00:16:24,186 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-13 00:16:24,186 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-13 00:16:24,186 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-13 00:16:24,186 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-13 00:16:24,187 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-13 00:16:24,187 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-13 00:16:24,187 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-13 00:16:24,187 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-13 00:16:24,188 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-13 00:16:24,188 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-13 00:16:24,188 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-13 00:16:24,188 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-13 00:16:24,189 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_823186ee-55de-455a-a5f1-2d9041139a06/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_823186ee-55de-455a-a5f1-2d9041139a06/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 -> ed4a460efb594a84f062221537c87307eeb15468
[2021-10-13 00:16:24,440 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-13 00:16:24,458 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-13 00:16:24,461 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-13 00:16:24,462 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-13 00:16:24,463 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-13 00:16:24,464 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c
[2021-10-13 00:16:24,517 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/data/3c15dd1d4/79ae0d66fbaa4955a2da30cda325011c/FLAG496d1bf82
[2021-10-13 00:16:24,945 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-13 00:16:24,945 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/sv-benchmarks/c/float-newlib/float_req_bl_0670.c
[2021-10-13 00:16:24,953 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/data/3c15dd1d4/79ae0d66fbaa4955a2da30cda325011c/FLAG496d1bf82
[2021-10-13 00:16:25,330 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/data/3c15dd1d4/79ae0d66fbaa4955a2da30cda325011c
[2021-10-13 00:16:25,332 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-13 00:16:25,334 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-13 00:16:25,335 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-13 00:16:25,336 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-13 00:16:25,339 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-13 00:16:25,340 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:16:25" (1/1) ...
[2021-10-13 00:16:25,341 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@95762dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:25, skipping insertion in model container
[2021-10-13 00:16:25,341 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:16:25" (1/1) ...
[2021-10-13 00:16:25,348 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-13 00:16:25,376 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-13 00:16:25,602 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_823186ee-55de-455a-a5f1-2d9041139a06/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386]
[2021-10-13 00:16:25,605 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 00:16:25,615 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-13 00:16:25,675 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_823186ee-55de-455a-a5f1-2d9041139a06/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386]
[2021-10-13 00:16:25,676 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 00:16:25,693 INFO  L208         MainTranslator]: Completed translation
[2021-10-13 00:16:25,694 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:25 WrapperNode
[2021-10-13 00:16:25,694 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-13 00:16:25,695 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-13 00:16:25,695 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-13 00:16:25,695 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-13 00:16:25,706 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:25" (1/1) ...
[2021-10-13 00:16:25,718 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:25" (1/1) ...
[2021-10-13 00:16:25,782 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-13 00:16:25,783 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-13 00:16:25,783 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-13 00:16:25,783 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-13 00:16:25,792 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:25" (1/1) ...
[2021-10-13 00:16:25,792 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:25" (1/1) ...
[2021-10-13 00:16:25,800 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:25" (1/1) ...
[2021-10-13 00:16:25,801 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:25" (1/1) ...
[2021-10-13 00:16:25,822 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:25" (1/1) ...
[2021-10-13 00:16:25,840 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:25" (1/1) ...
[2021-10-13 00:16:25,844 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:25" (1/1) ...
[2021-10-13 00:16:25,867 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-13 00:16:25,868 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-13 00:16:25,868 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-13 00:16:25,869 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-13 00:16:25,870 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:25" (1/1) ...
[2021-10-13 00:16:25,900 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-13 00:16:25,909 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/z3
[2021-10-13 00:16:25,921 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-13 00:16:25,928 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-13 00:16:25,965 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-13 00:16:25,965 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-13 00:16:25,966 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real
[2021-10-13 00:16:25,966 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-10-13 00:16:25,966 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real
[2021-10-13 00:16:25,966 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-13 00:16:25,966 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-13 00:16:25,967 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-10-13 00:16:25,967 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~real
[2021-10-13 00:16:25,967 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-13 00:16:26,658 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-13 00:16:26,659 INFO  L299             CfgBuilder]: Removed 46 assume(true) statements.
[2021-10-13 00:16:26,661 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:16:26 BoogieIcfgContainer
[2021-10-13 00:16:26,661 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-13 00:16:26,664 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-13 00:16:26,664 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-13 00:16:26,672 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-13 00:16:26,673 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:16:25" (1/3) ...
[2021-10-13 00:16:26,674 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ab5f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:16:26, skipping insertion in model container
[2021-10-13 00:16:26,674 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:25" (2/3) ...
[2021-10-13 00:16:26,674 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ab5f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:16:26, skipping insertion in model container
[2021-10-13 00:16:26,674 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:16:26" (3/3) ...
[2021-10-13 00:16:26,676 INFO  L111   eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c
[2021-10-13 00:16:26,681 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-13 00:16:26,681 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-13 00:16:26,750 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-13 00:16:26,759 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 00:16:26,759 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-13 00:16:26,782 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 115 states, 113 states have (on average 1.6814159292035398) internal successors, (190), 114 states have internal predecessors, (190), 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 00:16:26,788 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-10-13 00:16:26,788 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 00:16:26,789 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-13 00:16:26,789 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 00:16:26,794 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:16:26,795 INFO  L82        PathProgramCache]: Analyzing trace with hash 2081772354, now seen corresponding path program 1 times
[2021-10-13 00:16:26,825 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 00:16:26,834 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15249482]
[2021-10-13 00:16:26,835 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:16:26,836 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 00:16:26,961 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 00:16:27,030 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 00:16:27,031 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 00:16:27,031 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15249482]
[2021-10-13 00:16:27,032 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15249482] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 00:16:27,032 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 00:16:27,032 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-13 00:16:27,034 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083878215]
[2021-10-13 00:16:27,039 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-10-13 00:16:27,039 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 00:16:27,054 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-10-13 00:16:27,055 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-13 00:16:27,058 INFO  L87              Difference]: Start difference. First operand  has 115 states, 113 states have (on average 1.6814159292035398) internal successors, (190), 114 states have internal predecessors, (190), 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 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 00:16:27,098 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-13 00:16:27,099 INFO  L93              Difference]: Finished difference Result 224 states and 372 transitions.
[2021-10-13 00:16:27,099 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 00:16:27,100 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14
[2021-10-13 00:16:27,101 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-13 00:16:27,113 INFO  L225             Difference]: With dead ends: 224
[2021-10-13 00:16:27,113 INFO  L226             Difference]: Without dead ends: 111
[2021-10-13 00:16:27,119 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 00:16:27,135 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2021-10-13 00:16:27,166 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111.
[2021-10-13 00:16:27,171 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 111 states, 110 states have (on average 1.4545454545454546) internal successors, (160), 110 states have internal predecessors, (160), 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 00:16:27,178 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions.
[2021-10-13 00:16:27,180 INFO  L78                 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 14
[2021-10-13 00:16:27,180 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-13 00:16:27,181 INFO  L470      AbstractCegarLoop]: Abstraction has 111 states and 160 transitions.
[2021-10-13 00:16:27,181 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 00:16:27,181 INFO  L276                IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions.
[2021-10-13 00:16:27,183 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2021-10-13 00:16:27,183 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 00:16:27,183 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-13 00:16:27,183 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-13 00:16:27,184 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 00:16:27,188 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:16:27,188 INFO  L82        PathProgramCache]: Analyzing trace with hash 1906427737, now seen corresponding path program 1 times
[2021-10-13 00:16:27,189 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 00:16:27,189 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794239104]
[2021-10-13 00:16:27,189 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:16:27,189 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 00:16:27,319 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 00:16:27,320 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-13 00:16:27,399 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 00:16:27,428 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-13 00:16:27,429 INFO  L626         BasicCegarLoop]: Counterexample is feasible
[2021-10-13 00:16:27,430 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-13 00:16:27,432 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-13 00:16:27,438 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-13 00:16:27,479 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:16:27 BoogieIcfgContainer
[2021-10-13 00:16:27,487 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-13 00:16:27,488 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-13 00:16:27,489 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-13 00:16:27,489 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-13 00:16:27,489 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:16:26" (3/4) ...
[2021-10-13 00:16:27,492 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2021-10-13 00:16:27,493 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-13 00:16:27,495 INFO  L168              Benchmark]: Toolchain (without parser) took 2160.15 ms. Allocated memory is still 104.9 MB. Free memory was 68.4 MB in the beginning and 47.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB.
[2021-10-13 00:16:27,496 INFO  L168              Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 104.9 MB. Free memory is still 85.4 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-13 00:16:27,497 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 358.67 ms. Allocated memory is still 104.9 MB. Free memory was 68.2 MB in the beginning and 77.2 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-13 00:16:27,500 INFO  L168              Benchmark]: Boogie Procedure Inliner took 87.36 ms. Allocated memory is still 104.9 MB. Free memory was 77.2 MB in the beginning and 74.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-13 00:16:27,505 INFO  L168              Benchmark]: Boogie Preprocessor took 84.65 ms. Allocated memory is still 104.9 MB. Free memory was 74.0 MB in the beginning and 70.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-13 00:16:27,506 INFO  L168              Benchmark]: RCFGBuilder took 793.01 ms. Allocated memory is still 104.9 MB. Free memory was 70.9 MB in the beginning and 45.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB.
[2021-10-13 00:16:27,507 INFO  L168              Benchmark]: TraceAbstraction took 823.79 ms. Allocated memory is still 104.9 MB. Free memory was 45.1 MB in the beginning and 48.4 MB in the end (delta: -3.3 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-13 00:16:27,507 INFO  L168              Benchmark]: Witness Printer took 4.91 ms. Allocated memory is still 104.9 MB. Free memory was 48.4 MB in the beginning and 47.9 MB in the end (delta: 530.5 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-13 00:16:27,515 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.11 ms. Allocated memory is still 104.9 MB. Free memory is still 85.4 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 358.67 ms. Allocated memory is still 104.9 MB. Free memory was 68.2 MB in the beginning and 77.2 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 87.36 ms. Allocated memory is still 104.9 MB. Free memory was 77.2 MB in the beginning and 74.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 84.65 ms. Allocated memory is still 104.9 MB. Free memory was 74.0 MB in the beginning and 70.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 793.01 ms. Allocated memory is still 104.9 MB. Free memory was 70.9 MB in the beginning and 45.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 823.79 ms. Allocated memory is still 104.9 MB. Free memory was 45.1 MB in the beginning and 48.4 MB in the end (delta: -3.3 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * Witness Printer took 4.91 ms. Allocated memory is still 104.9 MB. Free memory was 48.4 MB in the beginning and 47.9 MB in the end (delta: 530.5 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: 236]: 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 15, overapproximation of someUnaryDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 138, overapproximation of someBinaryArithmeticFLOAToperation at line 140. 
Possible FailurePath: 
[L32-L37]               static const float atanhi_atan[] = {
    4.6364760399e-01,
    7.8539812565e-01,
    9.8279368877e-01,
    1.5707962513e+00,
};
[L39-L44]               static const float atanlo_atan[] = {
    5.0121582440e-09,
    3.7748947079e-08,
    3.4473217170e-08,
    7.5497894159e-08,
};
[L46-L50]               static const float aT_atan[] = {
    3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01,
    9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02,
    4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02,
};
[L52-L54]               static const float one_atan = 1.0, huge_atan = 1.0e30,
                   pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00,
                   pi = 3.1415927410e+00;
[L120-L121]             static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0,
                   pi_lo_atan2 = -8.7422776573e-08;
             VAL        [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
[L226]                  float x = __VERIFIER_nondet_float();
[L227]                  float y = __VERIFIER_nondet_float();
[L15]                   return x != x;
             VAL        [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
[L229]                  isnan_float(x) || isnan_float(y)
             VAL        [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
[L229]       COND TRUE  isnan_float(x) || isnan_float(y)
[L124]                  float z;
[L125]                  __int32_t k, m, hx, hy, ix, iy;
             VAL        [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
[L128]                  ieee_float_shape_type gf_u;
[L129]                  gf_u.value = (x)
[L130]       EXPR       gf_u.word
[L130]                  (hx) = gf_u.word
[L132]                  ix = hx & 0x7fffffff
             VAL        [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
[L134]                  ieee_float_shape_type gf_u;
[L135]                  gf_u.value = (y)
[L136]       EXPR       gf_u.word
[L136]                  (hy) = gf_u.word
[L138]                  iy = hy & 0x7fffffff
             VAL        [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
[L139]       COND TRUE  ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L)
[L140]                  return x + y;
             VAL        [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
[L232]                  float res = __ieee754_atan2f(y, x);
[L15]                   return x != x;
             VAL        [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
[L235]       COND TRUE  !isnan_float(res)
[L236]                  reach_error()
             VAL        [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 688.0ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 13.2ms, AutomataDifference: 77.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 165 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=115occurred 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: 46.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.1ms SsaConstructionTime, 160.0ms SatisfiabilityAnalysisTime, 67.0ms InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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 00:16:27,568 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/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 00:16:29,934 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-13 00:16:29,938 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-13 00:16:29,997 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-13 00:16:29,998 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-13 00:16:30,002 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-13 00:16:30,004 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-13 00:16:30,010 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-13 00:16:30,013 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-13 00:16:30,018 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-13 00:16:30,020 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-13 00:16:30,021 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-13 00:16:30,022 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-13 00:16:30,024 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-13 00:16:30,026 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-13 00:16:30,030 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-13 00:16:30,032 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-13 00:16:30,033 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-13 00:16:30,035 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-13 00:16:30,045 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-13 00:16:30,047 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-13 00:16:30,048 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-13 00:16:30,052 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-13 00:16:30,054 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-13 00:16:30,063 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-13 00:16:30,063 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-13 00:16:30,064 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-13 00:16:30,066 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-13 00:16:30,066 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-13 00:16:30,068 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-13 00:16:30,068 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-13 00:16:30,069 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-13 00:16:30,071 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-13 00:16:30,072 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-13 00:16:30,074 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-13 00:16:30,074 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-13 00:16:30,075 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-13 00:16:30,075 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-13 00:16:30,075 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-13 00:16:30,078 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-13 00:16:30,078 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-13 00:16:30,079 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2021-10-13 00:16:30,125 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-13 00:16:30,125 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-13 00:16:30,125 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-13 00:16:30,126 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-13 00:16:30,128 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-13 00:16:30,128 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-13 00:16:30,128 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-13 00:16:30,128 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-13 00:16:30,128 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-13 00:16:30,129 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-13 00:16:30,130 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-13 00:16:30,130 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-13 00:16:30,130 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-13 00:16:30,130 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-13 00:16:30,131 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2021-10-13 00:16:30,131 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2021-10-13 00:16:30,131 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-13 00:16:30,131 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-13 00:16:30,131 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-13 00:16:30,132 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-13 00:16:30,132 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-13 00:16:30,132 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-13 00:16:30,132 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-13 00:16:30,133 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-13 00:16:30,133 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-13 00:16:30,133 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-13 00:16:30,133 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-13 00:16:30,134 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2021-10-13 00:16:30,134 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-10-13 00:16:30,134 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-13 00:16:30,134 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-13 00:16:30,134 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-13 00:16:30,135 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_823186ee-55de-455a-a5f1-2d9041139a06/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_823186ee-55de-455a-a5f1-2d9041139a06/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 -> ed4a460efb594a84f062221537c87307eeb15468
[2021-10-13 00:16:30,540 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-13 00:16:30,562 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-13 00:16:30,564 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-13 00:16:30,566 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-13 00:16:30,566 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-13 00:16:30,567 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c
[2021-10-13 00:16:30,647 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/data/d34cd0d6a/fc063b9e7365453b95cee7e565df7516/FLAG8fa6fda84
[2021-10-13 00:16:31,058 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-13 00:16:31,059 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/sv-benchmarks/c/float-newlib/float_req_bl_0670.c
[2021-10-13 00:16:31,066 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/data/d34cd0d6a/fc063b9e7365453b95cee7e565df7516/FLAG8fa6fda84
[2021-10-13 00:16:31,446 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/data/d34cd0d6a/fc063b9e7365453b95cee7e565df7516
[2021-10-13 00:16:31,449 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-13 00:16:31,450 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-13 00:16:31,451 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-13 00:16:31,452 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-13 00:16:31,455 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-13 00:16:31,456 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:16:31" (1/1) ...
[2021-10-13 00:16:31,457 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a35f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:31, skipping insertion in model container
[2021-10-13 00:16:31,457 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:16:31" (1/1) ...
[2021-10-13 00:16:31,464 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-13 00:16:31,501 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-13 00:16:31,726 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_823186ee-55de-455a-a5f1-2d9041139a06/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386]
[2021-10-13 00:16:31,729 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 00:16:31,779 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-13 00:16:31,871 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_823186ee-55de-455a-a5f1-2d9041139a06/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386]
[2021-10-13 00:16:31,872 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 00:16:31,913 INFO  L208         MainTranslator]: Completed translation
[2021-10-13 00:16:31,913 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:31 WrapperNode
[2021-10-13 00:16:31,913 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-13 00:16:31,914 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-13 00:16:31,914 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-13 00:16:31,915 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-13 00:16:31,920 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:31" (1/1) ...
[2021-10-13 00:16:31,936 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:31" (1/1) ...
[2021-10-13 00:16:31,976 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-13 00:16:31,977 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-13 00:16:31,977 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-13 00:16:31,977 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-13 00:16:31,985 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:31" (1/1) ...
[2021-10-13 00:16:31,985 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:31" (1/1) ...
[2021-10-13 00:16:31,997 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:31" (1/1) ...
[2021-10-13 00:16:31,998 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:31" (1/1) ...
[2021-10-13 00:16:32,034 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:31" (1/1) ...
[2021-10-13 00:16:32,056 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:31" (1/1) ...
[2021-10-13 00:16:32,064 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:31" (1/1) ...
[2021-10-13 00:16:32,081 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-13 00:16:32,081 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-13 00:16:32,082 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-13 00:16:32,082 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-13 00:16:32,083 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:31" (1/1) ...
[2021-10-13 00:16:32,089 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-13 00:16:32,100 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/z3
[2021-10-13 00:16:32,110 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-13 00:16:32,112 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-13 00:16:32,147 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4
[2021-10-13 00:16:32,148 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2021-10-13 00:16:32,148 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-13 00:16:32,148 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4
[2021-10-13 00:16:32,148 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2021-10-13 00:16:32,148 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-13 00:16:32,148 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-13 00:16:32,149 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4
[2021-10-13 00:16:32,149 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2021-10-13 00:16:32,149 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-13 00:16:56,924 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-13 00:16:56,925 INFO  L299             CfgBuilder]: Removed 46 assume(true) statements.
[2021-10-13 00:16:56,927 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:16:56 BoogieIcfgContainer
[2021-10-13 00:16:56,927 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-13 00:16:56,929 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-13 00:16:56,929 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-13 00:16:56,932 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-13 00:16:56,933 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:16:31" (1/3) ...
[2021-10-13 00:16:56,934 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b238dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:16:56, skipping insertion in model container
[2021-10-13 00:16:56,934 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:31" (2/3) ...
[2021-10-13 00:16:56,934 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b238dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:16:56, skipping insertion in model container
[2021-10-13 00:16:56,935 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:16:56" (3/3) ...
[2021-10-13 00:16:56,936 INFO  L111   eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c
[2021-10-13 00:16:56,942 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-13 00:16:56,942 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-13 00:16:56,991 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-13 00:16:56,998 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 00:16:56,998 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-13 00:16:57,016 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 115 states, 113 states have (on average 1.6814159292035398) internal successors, (190), 114 states have internal predecessors, (190), 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 00:16:57,021 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-10-13 00:16:57,021 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 00:16:57,022 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-13 00:16:57,023 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 00:16:57,028 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:16:57,028 INFO  L82        PathProgramCache]: Analyzing trace with hash 2081772354, now seen corresponding path program 1 times
[2021-10-13 00:16:57,044 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-13 00:16:57,045 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2140896234]
[2021-10-13 00:16:57,045 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:16:57,045 INFO  L170          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-10-13 00:16:57,046 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/mathsat
[2021-10-13 00:16:57,050 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-10-13 00:16:57,054 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2021-10-13 00:16:57,191 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2021-10-13 00:16:57,388 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3
[2021-10-13 00:16:57,388 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 00:16:57,393 INFO  L168              Benchmark]: Toolchain (without parser) took 25942.50 ms. Allocated memory is still 81.8 MB. Free memory was 46.1 MB in the beginning and 40.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB.
[2021-10-13 00:16:57,394 INFO  L168              Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 81.8 MB. Free memory was 62.8 MB in the beginning and 62.7 MB in the end (delta: 66.5 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-13 00:16:57,394 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 462.12 ms. Allocated memory is still 81.8 MB. Free memory was 45.9 MB in the beginning and 60.3 MB in the end (delta: -14.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-13 00:16:57,395 INFO  L168              Benchmark]: Boogie Procedure Inliner took 61.75 ms. Allocated memory is still 81.8 MB. Free memory was 60.0 MB in the beginning and 56.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-13 00:16:57,396 INFO  L168              Benchmark]: Boogie Preprocessor took 104.14 ms. Allocated memory is still 81.8 MB. Free memory was 56.6 MB in the beginning and 53.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-13 00:16:57,396 INFO  L168              Benchmark]: RCFGBuilder took 24845.86 ms. Allocated memory is still 81.8 MB. Free memory was 53.3 MB in the beginning and 51.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB.
[2021-10-13 00:16:57,397 INFO  L168              Benchmark]: TraceAbstraction took 462.86 ms. Allocated memory is still 81.8 MB. Free memory was 50.4 MB in the beginning and 40.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-13 00:16:57,400 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.17 ms. Allocated memory is still 81.8 MB. Free memory was 62.8 MB in the beginning and 62.7 MB in the end (delta: 66.5 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 462.12 ms. Allocated memory is still 81.8 MB. Free memory was 45.9 MB in the beginning and 60.3 MB in the end (delta: -14.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 61.75 ms. Allocated memory is still 81.8 MB. Free memory was 60.0 MB in the beginning and 56.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 104.14 ms. Allocated memory is still 81.8 MB. Free memory was 56.6 MB in the beginning and 53.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 24845.86 ms. Allocated memory is still 81.8 MB. Free memory was 53.3 MB in the beginning and 51.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 462.86 ms. Allocated memory is still 81.8 MB. Free memory was 50.4 MB in the beginning and 40.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 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 00:16:57,522 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823186ee-55de-455a-a5f1-2d9041139a06/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...