./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 096883e9
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 411418f84906bedc11fcfc3b7bde3a728b9fa839
...............................................................................................................................................................................................................................................................................................................................
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 411418f84906bedc11fcfc3b7bde3a728b9fa839
............................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
--- Real Ultimate output ---
This is Ultimate 0.2.0-096883e
[2020-12-01 23:19:24,424 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-12-01 23:19:24,427 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-12-01 23:19:24,461 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-12-01 23:19:24,462 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-12-01 23:19:24,464 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-12-01 23:19:24,466 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-12-01 23:19:24,468 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-12-01 23:19:24,470 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-12-01 23:19:24,472 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-12-01 23:19:24,473 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-12-01 23:19:24,475 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-12-01 23:19:24,476 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-12-01 23:19:24,477 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-12-01 23:19:24,479 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-12-01 23:19:24,480 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-12-01 23:19:24,482 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-12-01 23:19:24,483 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-12-01 23:19:24,485 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-12-01 23:19:24,488 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-12-01 23:19:24,490 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-12-01 23:19:24,494 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-12-01 23:19:24,495 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-12-01 23:19:24,496 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-12-01 23:19:24,500 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-12-01 23:19:24,500 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-12-01 23:19:24,501 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-12-01 23:19:24,502 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-12-01 23:19:24,503 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-12-01 23:19:24,504 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-12-01 23:19:24,504 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-12-01 23:19:24,505 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-12-01 23:19:24,507 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-12-01 23:19:24,508 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-12-01 23:19:24,509 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-12-01 23:19:24,521 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-12-01 23:19:24,522 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-12-01 23:19:24,523 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-12-01 23:19:24,524 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-12-01 23:19:24,525 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-12-01 23:19:24,528 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-12-01 23:19:24,530 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2020-12-01 23:19:24,589 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-12-01 23:19:24,590 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-12-01 23:19:24,593 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-12-01 23:19:24,593 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-12-01 23:19:24,594 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-12-01 23:19:24,594 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-12-01 23:19:24,595 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-12-01 23:19:24,595 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-12-01 23:19:24,595 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-12-01 23:19:24,596 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-12-01 23:19:24,597 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-12-01 23:19:24,598 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-12-01 23:19:24,598 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-12-01 23:19:24,598 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-12-01 23:19:24,598 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-12-01 23:19:24,599 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-12-01 23:19:24,599 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-12-01 23:19:24,599 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-12-01 23:19:24,600 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-12-01 23:19:24,600 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-12-01 23:19:24,600 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-12-01 23:19:24,601 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-12-01 23:19:24,601 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-12-01 23:19:24,601 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-12-01 23:19:24,602 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-12-01 23:19:24,602 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-12-01 23:19:24,602 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-12-01 23:19:24,603 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-12-01 23:19:24,603 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-12-01 23:19:24,603 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 411418f84906bedc11fcfc3b7bde3a728b9fa839
[2020-12-01 23:19:25,032 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-12-01 23:19:25,067 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-12-01 23:19:25,071 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-12-01 23:19:25,072 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-12-01 23:19:25,074 INFO  L275        PluginConnector]: CDTParser initialized
[2020-12-01 23:19:25,075 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c
[2020-12-01 23:19:25,171 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4657d4f9/2e8e24db59864211801cc4099e6793bf/FLAG9c6e40d5d
[2020-12-01 23:19:25,785 INFO  L306              CDTParser]: Found 1 translation units.
[2020-12-01 23:19:25,786 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0960b.c
[2020-12-01 23:19:25,794 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4657d4f9/2e8e24db59864211801cc4099e6793bf/FLAG9c6e40d5d
[2020-12-01 23:19:26,132 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4657d4f9/2e8e24db59864211801cc4099e6793bf
[2020-12-01 23:19:26,135 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-12-01 23:19:26,138 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2020-12-01 23:19:26,144 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-12-01 23:19:26,144 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-12-01 23:19:26,148 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-12-01 23:19:26,149 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:19:26" (1/1) ...
[2020-12-01 23:19:26,155 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb94d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:26, skipping insertion in model container
[2020-12-01 23:19:26,155 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:19:26" (1/1) ...
[2020-12-01 23:19:26,163 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-12-01 23:19:26,206 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-12-01 23:19:26,419 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0960b.c[4845,4858]
[2020-12-01 23:19:26,423 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-12-01 23:19:26,434 INFO  L203         MainTranslator]: Completed pre-run
[2020-12-01 23:19:26,491 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0960b.c[4845,4858]
[2020-12-01 23:19:26,499 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-12-01 23:19:26,528 INFO  L208         MainTranslator]: Completed translation
[2020-12-01 23:19:26,529 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:26 WrapperNode
[2020-12-01 23:19:26,529 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-12-01 23:19:26,533 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-12-01 23:19:26,534 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-12-01 23:19:26,534 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2020-12-01 23:19:26,543 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:26" (1/1) ...
[2020-12-01 23:19:26,582 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:26" (1/1) ...
[2020-12-01 23:19:26,664 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-12-01 23:19:26,668 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-12-01 23:19:26,668 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-12-01 23:19:26,668 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-12-01 23:19:26,682 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:26" (1/1) ...
[2020-12-01 23:19:26,683 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:26" (1/1) ...
[2020-12-01 23:19:26,709 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:26" (1/1) ...
[2020-12-01 23:19:26,709 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:26" (1/1) ...
[2020-12-01 23:19:26,751 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:26" (1/1) ...
[2020-12-01 23:19:26,760 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:26" (1/1) ...
[2020-12-01 23:19:26,764 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:26" (1/1) ...
[2020-12-01 23:19:26,770 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-12-01 23:19:26,771 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-12-01 23:19:26,771 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-12-01 23:19:26,771 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-12-01 23:19:26,772 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:26" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-12-01 23:19:26,891 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-12-01 23:19:26,891 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-12-01 23:19:26,892 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real
[2020-12-01 23:19:26,892 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-12-01 23:19:26,892 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real
[2020-12-01 23:19:26,892 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-12-01 23:19:26,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-12-01 23:19:26,893 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-12-01 23:19:26,893 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-12-01 23:19:27,672 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-12-01 23:19:27,672 INFO  L298             CfgBuilder]: Removed 24 assume(true) statements.
[2020-12-01 23:19:27,674 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:19:27 BoogieIcfgContainer
[2020-12-01 23:19:27,675 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-12-01 23:19:27,677 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-12-01 23:19:27,677 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-12-01 23:19:27,681 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-12-01 23:19:27,681 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:19:26" (1/3) ...
[2020-12-01 23:19:27,682 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5e8ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:19:27, skipping insertion in model container
[2020-12-01 23:19:27,683 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:26" (2/3) ...
[2020-12-01 23:19:27,683 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5e8ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:19:27, skipping insertion in model container
[2020-12-01 23:19:27,683 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:19:27" (3/3) ...
[2020-12-01 23:19:27,685 INFO  L111   eAbstractionObserver]: Analyzing ICFG double_req_bl_0960b.c
[2020-12-01 23:19:27,698 INFO  L180   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-12-01 23:19:27,703 INFO  L192   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-12-01 23:19:27,714 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-12-01 23:19:27,742 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-12-01 23:19:27,743 INFO  L378      AbstractCegarLoop]: Hoare is true
[2020-12-01 23:19:27,743 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-12-01 23:19:27,743 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-12-01 23:19:27,743 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-12-01 23:19:27,743 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-12-01 23:19:27,744 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-12-01 23:19:27,744 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-12-01 23:19:27,759 INFO  L276                IsEmpty]: Start isEmpty. Operand 45 states.
[2020-12-01 23:19:27,765 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-12-01 23:19:27,765 INFO  L414         BasicCegarLoop]: Found error trace
[2020-12-01 23:19:27,766 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-12-01 23:19:27,767 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-01 23:19:27,773 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-12-01 23:19:27,773 INFO  L82        PathProgramCache]: Analyzing trace with hash -306140874, now seen corresponding path program 1 times
[2020-12-01 23:19:27,784 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-01 23:19:27,784 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546745648]
[2020-12-01 23:19:27,785 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-01 23:19:27,907 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 23:19:27,973 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 23:19:27,974 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546745648]
[2020-12-01 23:19:27,975 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-01 23:19:27,976 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-12-01 23:19:27,977 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230667520]
[2020-12-01 23:19:27,983 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-12-01 23:19:27,984 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-01 23:19:27,999 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-12-01 23:19:28,000 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-12-01 23:19:28,002 INFO  L87              Difference]: Start difference. First operand 45 states. Second operand 2 states.
[2020-12-01 23:19:28,028 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-01 23:19:28,028 INFO  L93              Difference]: Finished difference Result 88 states and 146 transitions.
[2020-12-01 23:19:28,028 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2020-12-01 23:19:28,030 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 12
[2020-12-01 23:19:28,031 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-01 23:19:28,042 INFO  L225             Difference]: With dead ends: 88
[2020-12-01 23:19:28,043 INFO  L226             Difference]: Without dead ends: 42
[2020-12-01 23:19:28,046 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-12-01 23:19:28,066 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2020-12-01 23:19:28,085 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2020-12-01 23:19:28,086 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 42 states.
[2020-12-01 23:19:28,088 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions.
[2020-12-01 23:19:28,089 INFO  L78                 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 12
[2020-12-01 23:19:28,090 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-12-01 23:19:28,090 INFO  L481      AbstractCegarLoop]: Abstraction has 42 states and 56 transitions.
[2020-12-01 23:19:28,090 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-12-01 23:19:28,090 INFO  L276                IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions.
[2020-12-01 23:19:28,091 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-12-01 23:19:28,091 INFO  L414         BasicCegarLoop]: Found error trace
[2020-12-01 23:19:28,092 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-12-01 23:19:28,092 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-12-01 23:19:28,092 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-01 23:19:28,093 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-12-01 23:19:28,093 INFO  L82        PathProgramCache]: Analyzing trace with hash 1933005595, now seen corresponding path program 1 times
[2020-12-01 23:19:28,094 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-01 23:19:28,094 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047610238]
[2020-12-01 23:19:28,094 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-01 23:19:28,259 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-12-01 23:19:28,260 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-12-01 23:19:28,319 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-12-01 23:19:28,320 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-12-01 23:19:28,355 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-12-01 23:19:28,356 INFO  L523         BasicCegarLoop]: Counterexample might be feasible
[2020-12-01 23:19:28,358 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-12-01 23:19:28,410 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:19:28 BoogieIcfgContainer
[2020-12-01 23:19:28,411 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-12-01 23:19:28,411 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2020-12-01 23:19:28,412 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2020-12-01 23:19:28,412 INFO  L275        PluginConnector]: Witness Printer initialized
[2020-12-01 23:19:28,413 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:19:27" (3/4) ...
[2020-12-01 23:19:28,417 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2020-12-01 23:19:28,417 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2020-12-01 23:19:28,419 INFO  L168              Benchmark]: Toolchain (without parser) took 2281.00 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.6 MB in the beginning and 36.4 MB in the end (delta: -12.8 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2020-12-01 23:19:28,420 INFO  L168              Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 37.7 MB. Free memory was 19.9 MB in the beginning and 19.9 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2020-12-01 23:19:28,421 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 387.49 ms. Allocated memory is still 46.1 MB. Free memory was 23.3 MB in the beginning and 21.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB.
[2020-12-01 23:19:28,422 INFO  L168              Benchmark]: Boogie Procedure Inliner took 131.48 ms. Allocated memory is still 46.1 MB. Free memory was 21.1 MB in the beginning and 29.8 MB in the end (delta: -8.7 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB.
[2020-12-01 23:19:28,423 INFO  L168              Benchmark]: Boogie Preprocessor took 102.21 ms. Allocated memory is still 46.1 MB. Free memory was 29.6 MB in the beginning and 27.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2020-12-01 23:19:28,424 INFO  L168              Benchmark]: RCFGBuilder took 904.13 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 27.5 MB in the beginning and 30.8 MB in the end (delta: -3.2 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB.
[2020-12-01 23:19:28,425 INFO  L168              Benchmark]: TraceAbstraction took 734.13 ms. Allocated memory is still 56.6 MB. Free memory was 30.3 MB in the beginning and 36.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB.
[2020-12-01 23:19:28,428 INFO  L168              Benchmark]: Witness Printer took 5.55 ms. Allocated memory is still 56.6 MB. Free memory was 36.7 MB in the beginning and 36.4 MB in the end (delta: 338.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2020-12-01 23:19:28,435 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22 ms. Allocated memory is still 37.7 MB. Free memory was 19.9 MB in the beginning and 19.9 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 387.49 ms. Allocated memory is still 46.1 MB. Free memory was 23.3 MB in the beginning and 21.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 131.48 ms. Allocated memory is still 46.1 MB. Free memory was 21.1 MB in the beginning and 29.8 MB in the end (delta: -8.7 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 102.21 ms. Allocated memory is still 46.1 MB. Free memory was 29.6 MB in the beginning and 27.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 904.13 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 27.5 MB in the beginning and 30.8 MB in the end (delta: -3.2 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 734.13 ms. Allocated memory is still 56.6 MB. Free memory was 30.3 MB in the beginning and 36.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB.
 * Witness Printer took 5.55 ms. Allocated memory is still 56.6 MB. Free memory was 36.7 MB in the beginning and 36.4 MB in the end (delta: 338.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - UnprovableResult [Line: 188]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: overapproximation of bitwiseOr at line 29, overapproximation of someUnaryDOUBLEoperation at line 183, overapproximation of someBinaryArithmeticDOUBLEoperation at line 150, overapproximation of bitwiseAnd at line 28. 
Possible FailurePath: 
[L34-L43]               static const double ln2_hi_log = 6.93147180369123816490e-01,
                    ln2_lo_log = 1.90821492927058770002e-10,
                    two54_log = 1.80143985094819840000e+16,
                    Lg1_log = 6.666666666666735130e-01,
                    Lg2_log = 3.999999999940941908e-01,
                    Lg3_log = 2.857142874366239149e-01,
                    Lg4_log = 2.222219843214978396e-01,
                    Lg5_log = 1.818357216161805012e-01,
                    Lg6_log = 1.531383769920937332e-01,
                    Lg7_log = 1.479819860511658591e-01;
[L45]                   static const double zero = 0.0;
[L128-L131]             static const double two54_log10 = 1.80143985094819840000e+16,
                    ivln10_log10 = 4.34294481903251816668e-01,
                    log10_2hi_log10 = 3.01029995663611771306e-01,
                    log10_2lo_log10 = 3.69423907715893078616e-13;
[L133]                  static const double zero_log10 = 0.0;
             VAL        [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0]
[L183]                  double x = -0.0;
[L136]                  double y, z;
[L137]                  __int32_t i, k, hx;
[L138]                  __uint32_t lx;
             VAL        [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0]
[L141]                  ieee_double_shape_type ew_u;
[L142]                  ew_u.value = (x)
[L143]       EXPR       ew_u.parts.msw
[L143]                  (hx) = ew_u.parts.msw
[L144]       EXPR       ew_u.parts.lsw
[L144]                  (lx) = ew_u.parts.lsw
[L147]                  k = 0
             VAL        [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0]
[L148]       COND TRUE  hx < 0x00100000
             VAL        [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0]
[L149]       COND TRUE  ((hx & 0x7fffffff) | lx) == 0
[L150]                  return -two54_log10 / zero_log10;
             VAL        [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0]
[L184]                  double res = __ieee754_log10(x);
[L21]                   __int32_t hx, lx;
             VAL        [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0]
[L23]                   ieee_double_shape_type ew_u;
[L24]                   ew_u.value = (x)
[L25]        EXPR       ew_u.parts.msw
[L25]                   (hx) = ew_u.parts.msw
[L26]        EXPR       ew_u.parts.lsw
[L26]                   (lx) = ew_u.parts.lsw
[L28]                   hx &= 0x7fffffff
[L29]                   hx |= (__uint32_t)(lx | (-lx)) >> 31
[L30]                   hx = 0x7ff00000 - hx
[L31]                   return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31);
             VAL        [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0]
[L187]       COND TRUE  !isinf_double(res)
[L188]                  reach_error()
             VAL        [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 59 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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
Received shutdown request...

### Bit-precise run ###
This is Ultimate 0.2.0-096883e
[2020-12-01 23:19:30,959 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-12-01 23:19:30,962 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-12-01 23:19:31,013 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-12-01 23:19:31,014 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-12-01 23:19:31,020 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-12-01 23:19:31,023 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-12-01 23:19:31,030 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-12-01 23:19:31,033 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-12-01 23:19:31,039 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-12-01 23:19:31,041 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-12-01 23:19:31,046 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-12-01 23:19:31,046 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-12-01 23:19:31,050 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-12-01 23:19:31,051 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-12-01 23:19:31,053 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-12-01 23:19:31,054 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-12-01 23:19:31,058 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-12-01 23:19:31,062 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-12-01 23:19:31,070 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-12-01 23:19:31,072 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-12-01 23:19:31,074 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-12-01 23:19:31,077 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-12-01 23:19:31,079 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-12-01 23:19:31,085 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-12-01 23:19:31,086 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-12-01 23:19:31,086 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-12-01 23:19:31,088 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-12-01 23:19:31,089 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-12-01 23:19:31,090 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-12-01 23:19:31,091 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-12-01 23:19:31,092 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-12-01 23:19:31,095 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-12-01 23:19:31,096 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-12-01 23:19:31,097 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-12-01 23:19:31,107 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-12-01 23:19:31,108 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-12-01 23:19:31,108 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-12-01 23:19:31,108 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-12-01 23:19:31,110 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-12-01 23:19:31,111 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-12-01 23:19:31,112 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2020-12-01 23:19:31,168 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-12-01 23:19:31,169 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-12-01 23:19:31,171 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-12-01 23:19:31,172 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-12-01 23:19:31,172 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-12-01 23:19:31,172 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-12-01 23:19:31,173 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-12-01 23:19:31,173 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-12-01 23:19:31,173 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-12-01 23:19:31,173 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-12-01 23:19:31,175 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-12-01 23:19:31,175 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-12-01 23:19:31,175 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2020-12-01 23:19:31,175 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2020-12-01 23:19:31,176 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-12-01 23:19:31,176 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-12-01 23:19:31,176 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-12-01 23:19:31,176 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-12-01 23:19:31,177 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-12-01 23:19:31,177 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-12-01 23:19:31,177 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-12-01 23:19:31,178 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-12-01 23:19:31,178 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-12-01 23:19:31,178 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-12-01 23:19:31,179 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-12-01 23:19:31,179 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-12-01 23:19:31,179 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2020-12-01 23:19:31,179 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt
[2020-12-01 23:19:31,180 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-12-01 23:19:31,180 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-12-01 23:19:31,180 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2020-12-01 23:19:31,180 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 411418f84906bedc11fcfc3b7bde3a728b9fa839
[2020-12-01 23:19:31,615 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-12-01 23:19:31,653 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-12-01 23:19:31,657 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-12-01 23:19:31,659 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-12-01 23:19:31,660 INFO  L275        PluginConnector]: CDTParser initialized
[2020-12-01 23:19:31,661 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c
[2020-12-01 23:19:31,747 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ba34b280/1b737ca5faf7447c8772c7993ce5c3e3/FLAGcd8346e5b
[2020-12-01 23:19:32,342 INFO  L306              CDTParser]: Found 1 translation units.
[2020-12-01 23:19:32,348 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0960b.c
[2020-12-01 23:19:32,361 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ba34b280/1b737ca5faf7447c8772c7993ce5c3e3/FLAGcd8346e5b
[2020-12-01 23:19:32,686 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ba34b280/1b737ca5faf7447c8772c7993ce5c3e3
[2020-12-01 23:19:32,689 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-12-01 23:19:32,691 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2020-12-01 23:19:32,696 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-12-01 23:19:32,696 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-12-01 23:19:32,702 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-12-01 23:19:32,703 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:19:32" (1/1) ...
[2020-12-01 23:19:32,707 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f5debfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:32, skipping insertion in model container
[2020-12-01 23:19:32,707 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:19:32" (1/1) ...
[2020-12-01 23:19:32,716 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-12-01 23:19:32,740 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-12-01 23:19:33,031 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0960b.c[4845,4858]
[2020-12-01 23:19:33,034 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-12-01 23:19:33,050 INFO  L203         MainTranslator]: Completed pre-run
[2020-12-01 23:19:33,120 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0960b.c[4845,4858]
[2020-12-01 23:19:33,121 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-12-01 23:19:33,146 INFO  L208         MainTranslator]: Completed translation
[2020-12-01 23:19:33,146 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:33 WrapperNode
[2020-12-01 23:19:33,147 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-12-01 23:19:33,148 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-12-01 23:19:33,149 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-12-01 23:19:33,149 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2020-12-01 23:19:33,158 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:33" (1/1) ...
[2020-12-01 23:19:33,190 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:33" (1/1) ...
[2020-12-01 23:19:33,251 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-12-01 23:19:33,252 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-12-01 23:19:33,252 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-12-01 23:19:33,252 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-12-01 23:19:33,264 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:33" (1/1) ...
[2020-12-01 23:19:33,264 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:33" (1/1) ...
[2020-12-01 23:19:33,281 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:33" (1/1) ...
[2020-12-01 23:19:33,282 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:33" (1/1) ...
[2020-12-01 23:19:33,319 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:33" (1/1) ...
[2020-12-01 23:19:33,335 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:33" (1/1) ...
[2020-12-01 23:19:33,338 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:33" (1/1) ...
[2020-12-01 23:19:33,355 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-12-01 23:19:33,356 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-12-01 23:19:33,356 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-12-01 23:19:33,356 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-12-01 23:19:33,358 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:33" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-12-01 23:19:33,442 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8
[2020-12-01 23:19:33,442 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8
[2020-12-01 23:19:33,442 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2020-12-01 23:19:33,442 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-12-01 23:19:33,442 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2020-12-01 23:19:33,443 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-12-01 23:19:33,443 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-12-01 23:19:33,443 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2020-12-01 23:19:33,443 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-12-01 23:20:10,268 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-12-01 23:20:10,268 INFO  L298             CfgBuilder]: Removed 24 assume(true) statements.
[2020-12-01 23:20:10,270 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:20:10 BoogieIcfgContainer
[2020-12-01 23:20:10,270 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-12-01 23:20:10,275 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-12-01 23:20:10,275 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-12-01 23:20:10,280 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-12-01 23:20:10,280 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:19:32" (1/3) ...
[2020-12-01 23:20:10,281 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4abaed0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:20:10, skipping insertion in model container
[2020-12-01 23:20:10,281 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:19:33" (2/3) ...
[2020-12-01 23:20:10,282 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4abaed0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:20:10, skipping insertion in model container
[2020-12-01 23:20:10,282 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:20:10" (3/3) ...
[2020-12-01 23:20:10,289 INFO  L111   eAbstractionObserver]: Analyzing ICFG double_req_bl_0960b.c
[2020-12-01 23:20:10,305 INFO  L180   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-12-01 23:20:10,309 INFO  L192   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-12-01 23:20:10,322 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-12-01 23:20:10,349 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-12-01 23:20:10,349 INFO  L378      AbstractCegarLoop]: Hoare is true
[2020-12-01 23:20:10,349 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-12-01 23:20:10,350 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-12-01 23:20:10,350 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-12-01 23:20:10,350 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-12-01 23:20:10,350 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-12-01 23:20:10,350 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-12-01 23:20:10,365 INFO  L276                IsEmpty]: Start isEmpty. Operand 45 states.
[2020-12-01 23:20:10,371 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-12-01 23:20:10,371 INFO  L414         BasicCegarLoop]: Found error trace
[2020-12-01 23:20:10,372 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-12-01 23:20:10,373 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-01 23:20:10,379 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-12-01 23:20:10,379 INFO  L82        PathProgramCache]: Analyzing trace with hash -306140874, now seen corresponding path program 1 times
[2020-12-01 23:20:10,391 INFO  L162   FreeRefinementEngine]: Executing refinement strategy WOLF
[2020-12-01 23:20:10,391 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2134574415]
[2020-12-01 23:20:10,391 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3
[2020-12-01 23:20:11,321 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-01 23:20:11,361 INFO  L263         TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-12-01 23:20:11,366 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-12-01 23:20:11,397 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 23:20:11,398 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-12-01 23:20:11,411 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-01 23:20:11,413 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2134574415]
[2020-12-01 23:20:11,415 INFO  L219   FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2020-12-01 23:20:11,415 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2020-12-01 23:20:11,416 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096742478]
[2020-12-01 23:20:11,421 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-12-01 23:20:11,421 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2020-12-01 23:20:11,438 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-12-01 23:20:11,439 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-12-01 23:20:11,441 INFO  L87              Difference]: Start difference. First operand 45 states. Second operand 2 states.
[2020-12-01 23:20:11,465 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-01 23:20:11,465 INFO  L93              Difference]: Finished difference Result 88 states and 146 transitions.
[2020-12-01 23:20:11,465 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2020-12-01 23:20:11,467 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 12
[2020-12-01 23:20:11,467 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-01 23:20:11,483 INFO  L225             Difference]: With dead ends: 88
[2020-12-01 23:20:11,483 INFO  L226             Difference]: Without dead ends: 42
[2020-12-01 23:20:11,486 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-12-01 23:20:11,502 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2020-12-01 23:20:11,518 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2020-12-01 23:20:11,520 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 42 states.
[2020-12-01 23:20:11,522 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions.
[2020-12-01 23:20:11,524 INFO  L78                 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 12
[2020-12-01 23:20:11,524 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-12-01 23:20:11,524 INFO  L481      AbstractCegarLoop]: Abstraction has 42 states and 56 transitions.
[2020-12-01 23:20:11,524 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-12-01 23:20:11,525 INFO  L276                IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions.
[2020-12-01 23:20:11,525 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-12-01 23:20:11,525 INFO  L414         BasicCegarLoop]: Found error trace
[2020-12-01 23:20:11,526 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-12-01 23:20:11,731 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3
[2020-12-01 23:20:11,732 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-01 23:20:11,734 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-12-01 23:20:11,734 INFO  L82        PathProgramCache]: Analyzing trace with hash 1933005595, now seen corresponding path program 1 times
[2020-12-01 23:20:11,736 INFO  L162   FreeRefinementEngine]: Executing refinement strategy WOLF
[2020-12-01 23:20:11,737 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [116499140]
[2020-12-01 23:20:11,738 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3
[2020-12-01 23:20:12,847 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-12-01 23:20:12,848 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-12-01 23:20:13,923 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-12-01 23:20:13,924 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-12-01 23:20:14,057 INFO  L173   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2020-12-01 23:20:14,058 INFO  L523         BasicCegarLoop]: Counterexample might be feasible
[2020-12-01 23:20:14,259 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3
[2020-12-01 23:20:14,331 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:20:14 BoogieIcfgContainer
[2020-12-01 23:20:14,331 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-12-01 23:20:14,332 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2020-12-01 23:20:14,332 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2020-12-01 23:20:14,332 INFO  L275        PluginConnector]: Witness Printer initialized
[2020-12-01 23:20:14,333 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:20:10" (3/4) ...
[2020-12-01 23:20:14,335 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2020-12-01 23:20:14,421 INFO  L141         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2020-12-01 23:20:14,421 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2020-12-01 23:20:14,424 INFO  L168              Benchmark]: Toolchain (without parser) took 41731.94 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 19.4 MB in the beginning and 26.0 MB in the end (delta: -6.6 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB.
[2020-12-01 23:20:14,425 INFO  L168              Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 41.9 MB. Free memory was 22.4 MB in the beginning and 22.4 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2020-12-01 23:20:14,426 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 451.72 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 19.1 MB in the beginning and 33.3 MB in the end (delta: -14.1 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB.
[2020-12-01 23:20:14,426 INFO  L168              Benchmark]: Boogie Procedure Inliner took 103.14 ms. Allocated memory is still 50.3 MB. Free memory was 33.3 MB in the beginning and 30.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2020-12-01 23:20:14,427 INFO  L168              Benchmark]: Boogie Preprocessor took 103.02 ms. Allocated memory is still 50.3 MB. Free memory was 30.8 MB in the beginning and 28.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2020-12-01 23:20:14,428 INFO  L168              Benchmark]: RCFGBuilder took 36914.39 ms. Allocated memory is still 50.3 MB. Free memory was 28.4 MB in the beginning and 30.0 MB in the end (delta: -1.7 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB.
[2020-12-01 23:20:14,428 INFO  L168              Benchmark]: TraceAbstraction took 4056.07 ms. Allocated memory is still 50.3 MB. Free memory was 29.6 MB in the beginning and 30.2 MB in the end (delta: -594.8 kB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB.
[2020-12-01 23:20:14,429 INFO  L168              Benchmark]: Witness Printer took 89.73 ms. Allocated memory is still 50.3 MB. Free memory was 30.2 MB in the beginning and 26.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2020-12-01 23:20:14,433 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.31 ms. Allocated memory is still 41.9 MB. Free memory was 22.4 MB in the beginning and 22.4 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 451.72 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 19.1 MB in the beginning and 33.3 MB in the end (delta: -14.1 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 103.14 ms. Allocated memory is still 50.3 MB. Free memory was 33.3 MB in the beginning and 30.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 103.02 ms. Allocated memory is still 50.3 MB. Free memory was 30.8 MB in the beginning and 28.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 36914.39 ms. Allocated memory is still 50.3 MB. Free memory was 28.4 MB in the beginning and 30.0 MB in the end (delta: -1.7 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 4056.07 ms. Allocated memory is still 50.3 MB. Free memory was 29.6 MB in the beginning and 30.2 MB in the end (delta: -594.8 kB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB.
 * Witness Printer took 89.73 ms. Allocated memory is still 50.3 MB. Free memory was 30.2 MB in the beginning and 26.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 188]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L34-L43]               static const double ln2_hi_log = 6.93147180369123816490e-01,
                    ln2_lo_log = 1.90821492927058770002e-10,
                    two54_log = 1.80143985094819840000e+16,
                    Lg1_log = 6.666666666666735130e-01,
                    Lg2_log = 3.999999999940941908e-01,
                    Lg3_log = 2.857142874366239149e-01,
                    Lg4_log = 2.222219843214978396e-01,
                    Lg5_log = 1.818357216161805012e-01,
                    Lg6_log = 1.531383769920937332e-01,
                    Lg7_log = 1.479819860511658591e-01;
[L45]                   static const double zero = 0.0;
[L128-L131]             static const double two54_log10 = 1.80143985094819840000e+16,
                    ivln10_log10 = 4.34294481903251816668e-01,
                    log10_2hi_log10 = 3.01029995663611771306e-01,
                    log10_2lo_log10 = 3.69423907715893078616e-13;
[L133]                  static const double zero_log10 = 0.0;
             VAL        [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0]
[L183]                  double x = -0.0;
[L136]                  double y, z;
[L137]                  __int32_t i, k, hx;
[L138]                  __uint32_t lx;
             VAL        [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0]
[L141]                  ieee_double_shape_type ew_u;
[L142]                  ew_u.value = (x)
[L143]       EXPR       ew_u.parts.msw
[L143]                  (hx) = ew_u.parts.msw
[L144]       EXPR       ew_u.parts.lsw
[L144]                  (lx) = ew_u.parts.lsw
[L147]                  k = 0
             VAL        [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0]
[L148]       COND TRUE  hx < 0x00100000
             VAL        [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0]
[L149]       COND TRUE  ((hx & 0x7fffffff) | lx) == 0
[L150]                  return -two54_log10 / zero_log10;
             VAL        [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0]
[L184]                  double res = __ieee754_log10(x);
[L21]                   __int32_t hx, lx;
             VAL        [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0]
[L23]                   ieee_double_shape_type ew_u;
[L24]                   ew_u.value = (x)
[L25]        EXPR       ew_u.parts.msw
[L25]                   (hx) = ew_u.parts.msw
[L26]        EXPR       ew_u.parts.lsw
[L26]                   (lx) = ew_u.parts.lsw
[L28]                   hx &= 0x7fffffff
[L29]                   hx |= (__uint32_t)(lx | (-lx)) >> 31
[L30]                   hx = 0x7ff00000 - hx
[L31]                   return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31);
             VAL        [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0]
[L187]       COND TRUE  !isinf_double(res)
[L188]                  reach_error()
             VAL        [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 59 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 55 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 proved your program to be incorrect!
[MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process
Received shutdown request...