/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/double_req_bl_0490a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 16:04:17,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 16:04:17,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 16:04:17,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 16:04:17,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 16:04:17,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 16:04:17,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 16:04:17,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 16:04:17,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 16:04:17,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 16:04:17,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 16:04:17,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 16:04:17,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 16:04:17,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 16:04:17,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 16:04:17,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 16:04:17,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 16:04:17,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 16:04:17,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 16:04:17,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 16:04:17,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 16:04:17,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 16:04:17,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 16:04:17,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 16:04:17,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 16:04:17,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 16:04:17,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 16:04:17,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 16:04:17,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 16:04:17,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 16:04:17,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 16:04:17,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 16:04:17,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 16:04:17,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 16:04:17,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 16:04:17,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 16:04:17,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 16:04:17,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 16:04:17,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 16:04:17,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 16:04:17,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 16:04:17,359 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 16:04:17,406 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 16:04:17,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 16:04:17,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 16:04:17,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 16:04:17,413 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 16:04:17,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 16:04:17,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 16:04:17,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 16:04:17,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 16:04:17,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 16:04:17,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 16:04:17,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 16:04:17,415 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 16:04:17,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 16:04:17,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 16:04:17,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 16:04:17,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 16:04:17,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 16:04:17,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 16:04:17,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 16:04:17,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 16:04:17,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 16:04:17,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 16:04:17,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 16:04:17,418 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 16:04:17,418 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 16:04:17,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 16:04:17,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 16:04:17,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 16:04:17,886 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 16:04:17,887 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 16:04:17,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0490a.c [2021-01-06 16:04:17,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9873fb857/aab24a72d4594f459487fd303ddeba50/FLAGf92514850 [2021-01-06 16:04:18,714 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 16:04:18,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c [2021-01-06 16:04:18,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9873fb857/aab24a72d4594f459487fd303ddeba50/FLAGf92514850 [2021-01-06 16:04:18,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9873fb857/aab24a72d4594f459487fd303ddeba50 [2021-01-06 16:04:18,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 16:04:18,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 16:04:19,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 16:04:19,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 16:04:19,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 16:04:19,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:04:18" (1/1) ... [2021-01-06 16:04:19,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba39f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:19, skipping insertion in model container [2021-01-06 16:04:19,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:04:18" (1/1) ... [2021-01-06 16:04:19,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 16:04:19,048 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: StructLHS[VariableLHS[~ew_u~0,],value] left hand side expression in assignment: lhs: VariableLHS[~i0~0,] left hand side expression in assignment: lhs: VariableLHS[~i1~0,] left hand side expression in assignment: lhs: VariableLHS[~j0~0,] left hand side expression in assignment: lhs: VariableLHS[~i1~0,] left hand side expression in assignment: lhs: VariableLHS[~i0~0,] left hand side expression in assignment: lhs: VariableLHS[~i0~0,] left hand side expression in assignment: lhs: VariableLHS[~i1~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~i1~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~j~0,] left hand side expression in assignment: lhs: VariableLHS[~i1~0,] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~0,],parts],msw] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~0,],parts],lsw] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~ew_u~1,],value] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] left hand side expression in assignment: lhs: VariableLHS[~lx~0,] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gh_u~0,],value] left hand side expression in assignment: lhs: VariableLHS[~hx~1,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~ew_u~2,],value] left hand side expression in assignment: lhs: VariableLHS[~msw~0,] left hand side expression in assignment: lhs: VariableLHS[~lsw~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gh_u~1,],value] left hand side expression in assignment: lhs: VariableLHS[~msw~1,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~ew_u~3,],value] left hand side expression in assignment: lhs: VariableLHS[~ix0~0,] left hand side expression in assignment: lhs: VariableLHS[~ix1~0,] left hand side expression in assignment: lhs: VariableLHS[~m~0,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~ix0~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~s1~0,] left hand side expression in assignment: lhs: VariableLHS[~s0~0,] left hand side expression in assignment: lhs: VariableLHS[~q1~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~t~0,] left hand side expression in assignment: lhs: VariableLHS[~s0~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~t1~0,] left hand side expression in assignment: lhs: VariableLHS[~t~0,] left hand side expression in assignment: lhs: VariableLHS[~s1~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~q1~0,] left hand side expression in assignment: lhs: VariableLHS[~ix0~0,] left hand side expression in assignment: lhs: VariableLHS[~ix1~0,] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~1,],parts],msw] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~1,],parts],lsw] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gh_u~2,],value] left hand side expression in assignment: lhs: VariableLHS[~hx~2,] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gl_u~0,],value] left hand side expression in assignment: lhs: VariableLHS[~lx~1,] left hand side expression in assignment: lhs: VariableLHS[~z~1,] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: lhs: VariableLHS[~q~1,] left hand side expression in assignment: lhs: VariableLHS[~r~1,] left hand side expression in assignment: lhs: VariableLHS[~z~1,] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: lhs: VariableLHS[~q~1,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~r~1,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: lhs: VariableLHS[~z~1,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~df~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sl_u~0,],value] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~sl_u~0,],parts],lsw] left hand side expression in assignment: lhs: VariableLHS[~df~0,] left hand side expression in assignment: lhs: VariableLHS[~c~0,] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: lhs: VariableLHS[~q~1,] left hand side expression in assignment: lhs: VariableLHS[~r~1,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] [2021-01-06 16:04:19,375 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/double_req_bl_0490a.c[9221,9234] [2021-01-06 16:04:19,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:04:19,401 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#ew_u~0,],base],StructAccessExpression[IdentifierExpression[~#ew_u~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~i0~0,] left hand side expression in assignment: lhs: VariableLHS[~i1~0,] left hand side expression in assignment: lhs: VariableLHS[~j0~0,] left hand side expression in assignment: lhs: VariableLHS[~i1~0,] left hand side expression in assignment: lhs: VariableLHS[~i0~0,] left hand side expression in assignment: lhs: VariableLHS[~i0~0,] left hand side expression in assignment: lhs: VariableLHS[~i1~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~i1~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~j~0,] left hand side expression in assignment: lhs: VariableLHS[~i1~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~#iw_u~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~0,],base],StructAccessExpression[IdentifierExpression[~#iw_u~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#ew_u~1,],base],StructAccessExpression[IdentifierExpression[~#ew_u~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] left hand side expression in assignment: lhs: VariableLHS[~lx~0,] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gh_u~0,],base],StructAccessExpression[IdentifierExpression[~#gh_u~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~hx~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#ew_u~2,],base],StructAccessExpression[IdentifierExpression[~#ew_u~2,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~msw~0,] left hand side expression in assignment: lhs: VariableLHS[~lsw~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gh_u~1,],base],StructAccessExpression[IdentifierExpression[~#gh_u~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~msw~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#ew_u~3,],base],StructAccessExpression[IdentifierExpression[~#ew_u~3,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~ix0~0,] left hand side expression in assignment: lhs: VariableLHS[~ix1~0,] left hand side expression in assignment: lhs: VariableLHS[~m~0,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: VariableLHS[~ix0~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~s1~0,] left hand side expression in assignment: lhs: VariableLHS[~s0~0,] left hand side expression in assignment: lhs: VariableLHS[~q1~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~t~0,] left hand side expression in assignment: lhs: VariableLHS[~s0~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~t1~0,] left hand side expression in assignment: lhs: VariableLHS[~t~0,] left hand side expression in assignment: lhs: VariableLHS[~s1~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~q1~0,] left hand side expression in assignment: lhs: VariableLHS[~ix0~0,] left hand side expression in assignment: lhs: VariableLHS[~ix1~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~#iw_u~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~1,],base],StructAccessExpression[IdentifierExpression[~#iw_u~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gh_u~2,],base],StructAccessExpression[IdentifierExpression[~#gh_u~2,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~hx~2,] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gl_u~0,],base],StructAccessExpression[IdentifierExpression[~#gl_u~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~lx~1,] left hand side expression in assignment: lhs: VariableLHS[~z~1,] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: lhs: VariableLHS[~q~1,] left hand side expression in assignment: lhs: VariableLHS[~r~1,] left hand side expression in assignment: lhs: VariableLHS[~z~1,] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: lhs: VariableLHS[~q~1,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~r~1,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: lhs: VariableLHS[~z~1,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~df~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sl_u~0,],base],StructAccessExpression[IdentifierExpression[~#sl_u~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sl_u~0,],base],StructAccessExpression[IdentifierExpression[~#sl_u~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~df~0,] left hand side expression in assignment: lhs: VariableLHS[~c~0,] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: lhs: VariableLHS[~q~1,] left hand side expression in assignment: lhs: VariableLHS[~r~1,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] [2021-01-06 16:04:19,482 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/double_req_bl_0490a.c[9221,9234] [2021-01-06 16:04:19,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:04:19,504 INFO L208 MainTranslator]: Completed translation [2021-01-06 16:04:19,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:19 WrapperNode [2021-01-06 16:04:19,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 16:04:19,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 16:04:19,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 16:04:19,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 16:04:19,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:19" (1/1) ... [2021-01-06 16:04:19,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:19" (1/1) ... [2021-01-06 16:04:19,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 16:04:19,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 16:04:19,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 16:04:19,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 16:04:19,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:19" (1/1) ... [2021-01-06 16:04:19,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:19" (1/1) ... [2021-01-06 16:04:19,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:19" (1/1) ... [2021-01-06 16:04:19,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:19" (1/1) ... [2021-01-06 16:04:19,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:19" (1/1) ... [2021-01-06 16:04:19,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:19" (1/1) ... [2021-01-06 16:04:19,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:19" (1/1) ... [2021-01-06 16:04:19,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 16:04:19,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 16:04:19,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 16:04:19,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 16:04:19,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:19" (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 [2021-01-06 16:04:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 16:04:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 16:04:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-01-06 16:04:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-06 16:04:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-01-06 16:04:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 16:04:19,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 16:04:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-06 16:04:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-06 16:04:20,987 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 16:04:20,987 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2021-01-06 16:04:20,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:04:20 BoogieIcfgContainer [2021-01-06 16:04:20,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 16:04:20,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 16:04:20,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 16:04:20,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 16:04:20,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 04:04:18" (1/3) ... [2021-01-06 16:04:20,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58490c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:04:20, skipping insertion in model container [2021-01-06 16:04:20,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:04:19" (2/3) ... [2021-01-06 16:04:20,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58490c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:04:20, skipping insertion in model container [2021-01-06 16:04:20,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:04:20" (3/3) ... [2021-01-06 16:04:21,001 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490a.c [2021-01-06 16:04:21,009 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 16:04:21,027 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 16:04:21,053 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 16:04:21,087 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 16:04:21,088 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 16:04:21,088 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 16:04:21,088 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 16:04:21,088 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 16:04:21,089 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 16:04:21,089 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 16:04:21,089 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 16:04:21,110 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2021-01-06 16:04:21,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-01-06 16:04:21,117 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:04:21,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:04:21,119 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:04:21,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:04:21,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1884099091, now seen corresponding path program 1 times [2021-01-06 16:04:21,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:04:21,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850193541] [2021-01-06 16:04:21,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:04:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:04:21,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:04:21,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850193541] [2021-01-06 16:04:21,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:04:21,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 16:04:21,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682083343] [2021-01-06 16:04:21,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 16:04:21,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:04:21,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 16:04:21,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 16:04:21,339 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2021-01-06 16:04:21,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:04:21,379 INFO L93 Difference]: Finished difference Result 228 states and 388 transitions. [2021-01-06 16:04:21,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 16:04:21,383 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2021-01-06 16:04:21,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:04:21,408 INFO L225 Difference]: With dead ends: 228 [2021-01-06 16:04:21,408 INFO L226 Difference]: Without dead ends: 112 [2021-01-06 16:04:21,412 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 [2021-01-06 16:04:21,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-01-06 16:04:21,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2021-01-06 16:04:21,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-01-06 16:04:21,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 161 transitions. [2021-01-06 16:04:21,473 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 161 transitions. Word has length 11 [2021-01-06 16:04:21,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:04:21,473 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 161 transitions. [2021-01-06 16:04:21,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 16:04:21,474 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 161 transitions. [2021-01-06 16:04:21,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-01-06 16:04:21,475 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:04:21,475 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:04:21,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 16:04:21,475 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:04:21,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:04:21,477 INFO L82 PathProgramCache]: Analyzing trace with hash -973471718, now seen corresponding path program 1 times [2021-01-06 16:04:21,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:04:21,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428713520] [2021-01-06 16:04:21,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:04:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 16:04:21,542 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 16:04:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 16:04:21,582 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 16:04:21,614 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 16:04:21,614 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 16:04:21,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 16:04:21,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 04:04:21 BoogieIcfgContainer [2021-01-06 16:04:21,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 16:04:21,702 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 16:04:21,702 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 16:04:21,703 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 16:04:21,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:04:20" (3/4) ... [2021-01-06 16:04:21,709 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-01-06 16:04:21,709 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 16:04:21,712 INFO L168 Benchmark]: Toolchain (without parser) took 2712.73 ms. Allocated memory was 153.1 MB in the beginning and 216.0 MB in the end (delta: 62.9 MB). Free memory was 127.4 MB in the beginning and 192.9 MB in the end (delta: -65.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 16:04:21,713 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 153.1 MB. Free memory is still 126.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 16:04:21,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.94 ms. Allocated memory is still 153.1 MB. Free memory was 127.1 MB in the beginning and 109.2 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-01-06 16:04:21,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.29 ms. Allocated memory is still 153.1 MB. Free memory was 109.2 MB in the beginning and 103.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-01-06 16:04:21,716 INFO L168 Benchmark]: Boogie Preprocessor took 80.45 ms. Allocated memory is still 153.1 MB. Free memory was 103.7 MB in the beginning and 99.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-01-06 16:04:21,717 INFO L168 Benchmark]: RCFGBuilder took 1315.56 ms. Allocated memory is still 153.1 MB. Free memory was 99.2 MB in the beginning and 77.0 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-01-06 16:04:21,718 INFO L168 Benchmark]: TraceAbstraction took 668.84 ms. Allocated memory is still 153.1 MB. Free memory was 76.5 MB in the beginning and 49.2 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2021-01-06 16:04:21,718 INFO L168 Benchmark]: Witness Printer took 7.34 ms. Allocated memory is still 216.0 MB. Free memory was 193.0 MB in the beginning and 192.9 MB in the end (delta: 77.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 16:04:21,723 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 153.1 MB. Free memory is still 126.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 504.94 ms. Allocated memory is still 153.1 MB. Free memory was 127.1 MB in the beginning and 109.2 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 86.29 ms. Allocated memory is still 153.1 MB. Free memory was 109.2 MB in the beginning and 103.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 80.45 ms. Allocated memory is still 153.1 MB. Free memory was 103.7 MB in the beginning and 99.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1315.56 ms. Allocated memory is still 153.1 MB. Free memory was 99.2 MB in the beginning and 77.0 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 668.84 ms. Allocated memory is still 153.1 MB. Free memory was 76.5 MB in the beginning and 49.2 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Witness Printer took 7.34 ms. Allocated memory is still 216.0 MB. Free memory was 193.0 MB in the beginning and 192.9 MB in the end (delta: 77.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 379]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someUnaryDOUBLEoperation at line 287, overapproximation of someBinaryArithmeticDOUBLEoperation at line 323. Possible FailurePath: [L18] static const double huge_floor = 1.0e300; [L170] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L282-L295] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L374] double x = 1.0 / 0.0; [L298] double z, p, q, r, w, s, c, df; [L299] __int32_t hx, ix; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L301] ieee_double_shape_type gh_u; [L302] gh_u.value = (x) [L303] EXPR gh_u.parts.msw [L303] (hx) = gh_u.parts.msw [L305] ix = hx & 0x7fffffff VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L306] COND FALSE !(ix >= 0x3ff00000) VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L321] COND TRUE ix < 0x3fe00000 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L322] COND TRUE ix <= 0x3c600000 [L323] return pio2_hi_acos + pio2_lo_acos; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L375] double res = __ieee754_acos(x); [L103] return x != x; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L378] COND TRUE !isnan_double(res) [L379] reach_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 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=115occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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...