/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-bitabs-dcfa08f
[2020-12-23 06:12:04,632 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-12-23 06:12:04,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-12-23 06:12:04,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-12-23 06:12:04,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-12-23 06:12:04,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-12-23 06:12:04,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-12-23 06:12:04,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-12-23 06:12:04,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-12-23 06:12:04,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-12-23 06:12:04,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
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[2020-12-23 06:12:04,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-12-23 06:12:04,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-12-23 06:12:04,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-12-23 06:12:04,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-12-23 06:12:04,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-12-23 06:12:04,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-12-23 06:12:04,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-12-23 06:12:04,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-12-23 06:12:04,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-12-23 06:12:04,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-12-23 06:12:04,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-12-23 06:12:04,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-12-23 06:12:04,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-12-23 06:12:04,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-12-23 06:12:04,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-12-23 06:12:04,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-12-23 06:12:04,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-12-23 06:12:04,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-12-23 06:12:04,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-12-23 06:12:04,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-12-23 06:12:04,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-12-23 06:12:04,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-12-23 06:12:04,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-12-23 06:12:04,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-12-23 06:12:04,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-12-23 06:12:04,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-12-23 06:12:04,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-12-23 06:12:04,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-12-23 06:12:04,802 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2020-12-23 06:12:04,854 INFO L113 SettingsManager]: Loading preferences was successful
[2020-12-23 06:12:04,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-12-23 06:12:04,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-12-23 06:12:04,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-12-23 06:12:04,859 INFO L138 SettingsManager]: * Use SBE=true
[2020-12-23 06:12:04,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-12-23 06:12:04,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-12-23 06:12:04,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-12-23 06:12:04,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-12-23 06:12:04,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-12-23 06:12:04,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-12-23 06:12:04,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-12-23 06:12:04,862 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-12-23 06:12:04,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-12-23 06:12:04,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-12-23 06:12:04,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-12-23 06:12:04,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-12-23 06:12:04,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-12-23 06:12:04,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-12-23 06:12:04,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-12-23 06:12:04,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-12-23 06:12:04,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-12-23 06:12:04,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-12-23 06:12:04,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-12-23 06:12:04,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-12-23 06:12:04,864 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-bitabs/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2020-12-23 06:12:05,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-12-23 06:12:05,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-12-23 06:12:05,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-12-23 06:12:05,347 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-12-23 06:12:05,348 INFO L275 PluginConnector]: CDTParser initialized
[2020-12-23 06:12:05,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c
[2020-12-23 06:12:05,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7d3bac509/f15ef13bfcbe4a68824065f8fa7f7c57/FLAG8338e130b
[2020-12-23 06:12:06,170 INFO L306 CDTParser]: Found 1 translation units.
[2020-12-23 06:12:06,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c
[2020-12-23 06:12:06,180 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7d3bac509/f15ef13bfcbe4a68824065f8fa7f7c57/FLAG8338e130b
[2020-12-23 06:12:06,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7d3bac509/f15ef13bfcbe4a68824065f8fa7f7c57
[2020-12-23 06:12:06,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-12-23 06:12:06,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2020-12-23 06:12:06,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-12-23 06:12:06,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-12-23 06:12:06,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-12-23 06:12:06,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:12:06" (1/1) ...
[2020-12-23 06:12:06,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be20b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:06, skipping insertion in model container
[2020-12-23 06:12:06,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:12:06" (1/1) ...
[2020-12-23 06:12:06,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-12-23 06:12:06,579 INFO L178 MainTranslator]: Built tables and reachable declarations
left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gf_u~0,<LOCAL,fabs_float>],value]
left hand side expression in assignment: lhs: VariableLHS[~ix~0,<LOCAL,fabs_float>]
left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~0,<LOCAL,fabs_float>],word]
left hand side expression in assignment: lhs: VariableLHS[~x,<LOCAL,fabs_float>]
left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gf_u~1,<LOCAL,atan_float>],value]
left hand side expression in assignment: lhs: VariableLHS[~hx~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~ix~1,<LOCAL,atan_float>]
----Is the binary operator a bitwise operator? true
left hand side expression in assignment: lhs: VariableLHS[~id~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~x,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~id~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~x,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~id~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~x,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~id~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~x,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~id~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~x,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~z~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~w~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~s1~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~s2~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~z~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gf_u~2,<LOCAL,__ieee754_atan2f>],value]
left hand side expression in assignment: lhs: VariableLHS[~hx~1,<LOCAL,__ieee754_atan2f>]
left hand side expression in assignment: lhs: VariableLHS[~ix~2,<LOCAL,__ieee754_atan2f>]
----Is the binary operator a bitwise operator? true
left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gf_u~3,<LOCAL,__ieee754_atan2f>],value]
left hand side expression in assignment: lhs: VariableLHS[~hy~0,<LOCAL,__ieee754_atan2f>]
left hand side expression in assignment: lhs: VariableLHS[~iy~0,<LOCAL,__ieee754_atan2f>]
----Is the binary operator a bitwise operator? true
left hand side expression in assignment: lhs: VariableLHS[~m~0,<LOCAL,__ieee754_atan2f>]
----Is the binary operator a bitwise operator? true
left hand side expression in assignment: lhs: VariableLHS[~k~0,<LOCAL,__ieee754_atan2f>]
left hand side expression in assignment: lhs: VariableLHS[~z~1,<LOCAL,__ieee754_atan2f>]
left hand side expression in assignment: lhs: VariableLHS[~z~1,<LOCAL,__ieee754_atan2f>]
left hand side expression in assignment: lhs: VariableLHS[~z~1,<LOCAL,__ieee754_atan2f>]
left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gf_u~4,<LOCAL,__ieee754_atan2f>],value]
left hand side expression in assignment: lhs: VariableLHS[~zh~0,<LOCAL,__ieee754_atan2f>]
left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~1,<LOCAL,__ieee754_atan2f>],word]
left hand side expression in assignment: lhs: VariableLHS[~z~1,<LOCAL,__ieee754_atan2f>]
[2020-12-23 06:12:06,814 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c[5223,5236]
[2020-12-23 06:12:06,817 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-12-23 06:12:06,833 INFO L203 MainTranslator]: Completed pre-run
left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gf_u~0,<LOCAL,fabs_float>],base],StructAccessExpression[IdentifierExpression[~#gf_u~0,<LOCAL,fabs_float>],offset]]]
left hand side expression in assignment: lhs: VariableLHS[~ix~0,<LOCAL,fabs_float>]
left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sf_u~0,<LOCAL,fabs_float>],base],StructAccessExpression[IdentifierExpression[~#sf_u~0,<LOCAL,fabs_float>],offset]]]
left hand side expression in assignment: lhs: VariableLHS[~x,<LOCAL,fabs_float>]
left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gf_u~1,<LOCAL,atan_float>],base],StructAccessExpression[IdentifierExpression[~#gf_u~1,<LOCAL,atan_float>],offset]]]
left hand side expression in assignment: lhs: VariableLHS[~hx~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~ix~1,<LOCAL,atan_float>]
----Is the binary operator a bitwise operator? true
left hand side expression in assignment: lhs: VariableLHS[~id~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~x,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~id~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~x,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~id~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~x,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~id~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~x,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~id~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~x,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~z~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~w~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~s1~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~s2~0,<LOCAL,atan_float>]
left hand side expression in assignment: lhs: VariableLHS[~z~0,<LOCAL,atan_float>]
left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gf_u~2,<LOCAL,__ieee754_atan2f>],base],StructAccessExpression[IdentifierExpression[~#gf_u~2,<LOCAL,__ieee754_atan2f>],offset]]]
left hand side expression in assignment: lhs: VariableLHS[~hx~1,<LOCAL,__ieee754_atan2f>]
left hand side expression in assignment: lhs: VariableLHS[~ix~2,<LOCAL,__ieee754_atan2f>]
----Is the binary operator a bitwise operator? true
left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gf_u~3,<LOCAL,__ieee754_atan2f>],base],StructAccessExpression[IdentifierExpression[~#gf_u~3,<LOCAL,__ieee754_atan2f>],offset]]]
left hand side expression in assignment: lhs: VariableLHS[~hy~0,<LOCAL,__ieee754_atan2f>]
left hand side expression in assignment: lhs: VariableLHS[~iy~0,<LOCAL,__ieee754_atan2f>]
----Is the binary operator a bitwise operator? true
left hand side expression in assignment: lhs: VariableLHS[~m~0,<LOCAL,__ieee754_atan2f>]
----Is the binary operator a bitwise operator? true
left hand side expression in assignment: lhs: VariableLHS[~k~0,<LOCAL,__ieee754_atan2f>]
left hand side expression in assignment: lhs: VariableLHS[~z~1,<LOCAL,__ieee754_atan2f>]
left hand side expression in assignment: lhs: VariableLHS[~z~1,<LOCAL,__ieee754_atan2f>]
left hand side expression in assignment: lhs: VariableLHS[~z~1,<LOCAL,__ieee754_atan2f>]
left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gf_u~4,<LOCAL,__ieee754_atan2f>],base],StructAccessExpression[IdentifierExpression[~#gf_u~4,<LOCAL,__ieee754_atan2f>],offset]]]
left hand side expression in assignment: lhs: VariableLHS[~zh~0,<LOCAL,__ieee754_atan2f>]
left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sf_u~1,<LOCAL,__ieee754_atan2f>],base],StructAccessExpression[IdentifierExpression[~#sf_u~1,<LOCAL,__ieee754_atan2f>],offset]]]
left hand side expression in assignment: lhs: VariableLHS[~z~1,<LOCAL,__ieee754_atan2f>]
[2020-12-23 06:12:06,913 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c[5223,5236]
[2020-12-23 06:12:06,916 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-12-23 06:12:06,950 INFO L208 MainTranslator]: Completed translation
[2020-12-23 06:12:06,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:06 WrapperNode
[2020-12-23 06:12:06,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-12-23 06:12:06,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-12-23 06:12:06,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-12-23 06:12:06,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-12-23 06:12:06,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:06" (1/1) ...
[2020-12-23 06:12:07,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:06" (1/1) ...
[2020-12-23 06:12:07,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-12-23 06:12:07,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-12-23 06:12:07,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-12-23 06:12:07,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-12-23 06:12:07,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:06" (1/1) ...
[2020-12-23 06:12:07,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:06" (1/1) ...
[2020-12-23 06:12:07,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:06" (1/1) ...
[2020-12-23 06:12:07,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:06" (1/1) ...
[2020-12-23 06:12:07,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:06" (1/1) ...
[2020-12-23 06:12:07,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:06" (1/1) ...
[2020-12-23 06:12:07,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:06" (1/1) ...
[2020-12-23 06:12:07,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-12-23 06:12:07,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-12-23 06:12:07,130 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-12-23 06:12:07,131 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-12-23 06:12:07,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:06" (1/1) ...
No working directory specified, using /storage/repos/ultimate-bitabs/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
[2020-12-23 06:12:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-12-23 06:12:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-12-23 06:12:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2020-12-23 06:12:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-12-23 06:12:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2020-12-23 06:12:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-12-23 06:12:07,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-12-23 06:12:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-12-23 06:12:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real
[2020-12-23 06:12:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-12-23 06:12:08,260 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-12-23 06:12:08,263 INFO L299 CfgBuilder]: Removed 40 assume(true) statements.
[2020-12-23 06:12:08,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:12:08 BoogieIcfgContainer
[2020-12-23 06:12:08,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-12-23 06:12:08,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-12-23 06:12:08,268 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-12-23 06:12:08,272 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-12-23 06:12:08,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 06:12:06" (1/3) ...
[2020-12-23 06:12:08,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd3fcb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:12:08, skipping insertion in model container
[2020-12-23 06:12:08,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:06" (2/3) ...
[2020-12-23 06:12:08,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd3fcb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:12:08, skipping insertion in model container
[2020-12-23 06:12:08,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:12:08" (3/3) ...
[2020-12-23 06:12:08,278 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680b.c
[2020-12-23 06:12:08,297 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-12-23 06:12:08,302 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-12-23 06:12:08,323 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-12-23 06:12:08,353 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-12-23 06:12:08,353 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-12-23 06:12:08,353 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-12-23 06:12:08,354 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-12-23 06:12:08,354 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-12-23 06:12:08,354 INFO L382 AbstractCegarLoop]: Difference is false
[2020-12-23 06:12:08,354 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-12-23 06:12:08,354 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-12-23 06:12:08,374 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states.
[2020-12-23 06:12:08,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2020-12-23 06:12:08,380 INFO L414 BasicCegarLoop]: Found error trace
[2020-12-23 06:12:08,381 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-12-23 06:12:08,381 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-23 06:12:08,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-23 06:12:08,388 INFO L82 PathProgramCache]: Analyzing trace with hash -691315710, now seen corresponding path program 1 times
[2020-12-23 06:12:08,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-23 06:12:08,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200498460]
[2020-12-23 06:12:08,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-23 06:12:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-23 06:12:08,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-23 06:12:08,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200498460]
[2020-12-23 06:12:08,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-23 06:12:08,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-12-23 06:12:08,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218179689]
[2020-12-23 06:12:08,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-12-23 06:12:08,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-23 06:12:08,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-12-23 06:12:08,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-12-23 06:12:08,607 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states.
[2020-12-23 06:12:08,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-23 06:12:08,645 INFO L93 Difference]: Finished difference Result 248 states and 434 transitions.
[2020-12-23 06:12:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-12-23 06:12:08,647 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10
[2020-12-23 06:12:08,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-23 06:12:08,661 INFO L225 Difference]: With dead ends: 248
[2020-12-23 06:12:08,661 INFO L226 Difference]: Without dead ends: 122
[2020-12-23 06:12:08,668 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
[2020-12-23 06:12:08,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states.
[2020-12-23 06:12:08,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122.
[2020-12-23 06:12:08,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states.
[2020-12-23 06:12:08,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 182 transitions.
[2020-12-23 06:12:08,725 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 182 transitions. Word has length 10
[2020-12-23 06:12:08,725 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-23 06:12:08,726 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 182 transitions.
[2020-12-23 06:12:08,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-12-23 06:12:08,726 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 182 transitions.
[2020-12-23 06:12:08,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-12-23 06:12:08,727 INFO L414 BasicCegarLoop]: Found error trace
[2020-12-23 06:12:08,727 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-12-23 06:12:08,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-12-23 06:12:08,728 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-23 06:12:08,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-23 06:12:08,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1487390214, now seen corresponding path program 1 times
[2020-12-23 06:12:08,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-23 06:12:08,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8169149]
[2020-12-23 06:12:08,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-23 06:12:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-23 06:12:08,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-23 06:12:08,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8169149]
[2020-12-23 06:12:08,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-23 06:12:08,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-12-23 06:12:08,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11024472]
[2020-12-23 06:12:08,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-12-23 06:12:08,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-23 06:12:08,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-12-23 06:12:08,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-12-23 06:12:08,865 INFO L87 Difference]: Start difference. First operand 122 states and 182 transitions. Second operand 4 states.
[2020-12-23 06:12:08,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-23 06:12:08,982 INFO L93 Difference]: Finished difference Result 282 states and 421 transitions.
[2020-12-23 06:12:08,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-12-23 06:12:08,983 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12
[2020-12-23 06:12:08,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-23 06:12:08,986 INFO L225 Difference]: With dead ends: 282
[2020-12-23 06:12:08,987 INFO L226 Difference]: Without dead ends: 214
[2020-12-23 06:12:08,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-12-23 06:12:08,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states.
[2020-12-23 06:12:09,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 149.
[2020-12-23 06:12:09,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states.
[2020-12-23 06:12:09,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 227 transitions.
[2020-12-23 06:12:09,008 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 227 transitions. Word has length 12
[2020-12-23 06:12:09,008 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-23 06:12:09,008 INFO L481 AbstractCegarLoop]: Abstraction has 149 states and 227 transitions.
[2020-12-23 06:12:09,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-12-23 06:12:09,009 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 227 transitions.
[2020-12-23 06:12:09,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2020-12-23 06:12:09,010 INFO L414 BasicCegarLoop]: Found error trace
[2020-12-23 06:12:09,010 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-12-23 06:12:09,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-12-23 06:12:09,010 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-23 06:12:09,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-23 06:12:09,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1298181331, now seen corresponding path program 1 times
[2020-12-23 06:12:09,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-23 06:12:09,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7137813]
[2020-12-23 06:12:09,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-23 06:12:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-12-23 06:12:09,082 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-12-23 06:12:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-12-23 06:12:09,131 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-12-23 06:12:09,191 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-12-23 06:12:09,191 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2020-12-23 06:12:09,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-12-23 06:12:09,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 06:12:09 BoogieIcfgContainer
[2020-12-23 06:12:09,241 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-12-23 06:12:09,241 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2020-12-23 06:12:09,242 INFO L271 PluginConnector]: Initializing Witness Printer...
[2020-12-23 06:12:09,242 INFO L275 PluginConnector]: Witness Printer initialized
[2020-12-23 06:12:09,242 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:12:08" (3/4) ...
[2020-12-23 06:12:09,247 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2020-12-23 06:12:09,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2020-12-23 06:12:09,249 INFO L168 Benchmark]: Toolchain (without parser) took 2735.16 ms. Allocated memory is still 151.0 MB. Free memory was 126.5 MB in the beginning and 113.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 8.0 GB.
[2020-12-23 06:12:09,250 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2020-12-23 06:12:09,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.66 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 111.7 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB.
[2020-12-23 06:12:09,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.68 ms. Allocated memory is still 151.0 MB. Free memory was 111.7 MB in the beginning and 107.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB.
[2020-12-23 06:12:09,253 INFO L168 Benchmark]: Boogie Preprocessor took 72.42 ms. Allocated memory is still 151.0 MB. Free memory was 107.9 MB in the beginning and 104.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB.
[2020-12-23 06:12:09,254 INFO L168 Benchmark]: RCFGBuilder took 1136.13 ms. Allocated memory is still 151.0 MB. Free memory was 104.6 MB in the beginning and 83.4 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB.
[2020-12-23 06:12:09,255 INFO L168 Benchmark]: TraceAbstraction took 972.68 ms. Allocated memory is still 151.0 MB. Free memory was 82.9 MB in the beginning and 113.8 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 8.0 GB.
[2020-12-23 06:12:09,255 INFO L168 Benchmark]: Witness Printer took 5.58 ms. Allocated memory is still 151.0 MB. Free memory was 113.8 MB in the beginning and 113.3 MB in the end (delta: 526.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2020-12-23 06:12:09,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 434.66 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 111.7 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB.
* Boogie Procedure Inliner took 101.68 ms. Allocated memory is still 151.0 MB. Free memory was 111.7 MB in the beginning and 107.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 72.42 ms. Allocated memory is still 151.0 MB. Free memory was 107.9 MB in the beginning and 104.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 1136.13 ms. Allocated memory is still 151.0 MB. Free memory was 104.6 MB in the beginning and 83.4 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 972.68 ms. Allocated memory is still 151.0 MB. Free memory was 82.9 MB in the beginning and 113.8 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 8.0 GB.
* Witness Printer took 5.58 ms. Allocated memory is still 151.0 MB. Free memory was 113.8 MB in the beginning and 113.3 MB in the end (delta: 526.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 230]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: overapproximation of someBinaryFLOATComparisonOperation at line 229, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someUnaryFLOAToperation at line 223, overapproximation of someBinaryArithmeticFLOAToperation at line 137.
Possible FailurePath:
[L29-L34] static const float atanhi_atan[] = {
4.6364760399e-01,
7.8539812565e-01,
9.8279368877e-01,
1.5707962513e+00,
};
[L36-L41] static const float atanlo_atan[] = {
5.0121582440e-09,
3.7748947079e-08,
3.4473217170e-08,
7.5497894159e-08,
};
[L43-L47] static const float aT_atan[] = {
3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01,
9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02,
4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02,
};
[L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30,
pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00,
pi = 3.1415927410e+00;
[L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0,
pi_lo_atan2 = -8.7422776573e-08;
VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
[L223] float x = -0.0f;
[L224] float y = -0.0f;
[L121] float z;
[L122] __int32_t k, m, hx, hy, ix, iy;
VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
[L125] ieee_float_shape_type gf_u;
[L126] gf_u.value = (x)
[L127] EXPR gf_u.word
[L127] (hx) = gf_u.word
[L129] ix = hx & 0x7fffffff
VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
[L131] ieee_float_shape_type gf_u;
[L132] gf_u.value = (y)
[L133] EXPR gf_u.word
[L133] (hy) = gf_u.word
[L135] iy = hy & 0x7fffffff
VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, iy = hy & 0x7fffffff=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
[L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L)
[L137] return x + y;
VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, iy = hy & 0x7fffffff=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
[L226] float res = __ieee754_atan2f(y, x);
[L229] COND TRUE res != -pi
VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, iy = hy & 0x7fffffff=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
[L230] reach_error()
VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, iy = hy & 0x7fffffff=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 369 SDtfs, 135 SDslu, 331 SDs, 0 SdLazy, 33 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 65 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 334 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 could not prove your program: unable to determine feasibility of some traces
Received shutdown request...