java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0530a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 01:44:02,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 01:44:02,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 01:44:02,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 01:44:02,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 01:44:02,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 01:44:02,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 01:44:02,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 01:44:02,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 01:44:02,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 01:44:02,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 01:44:02,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 01:44:02,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 01:44:02,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 01:44:02,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 01:44:02,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 01:44:02,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 01:44:02,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 01:44:02,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 01:44:02,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 01:44:02,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 01:44:02,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 01:44:02,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 01:44:02,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 01:44:02,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-10 01:44:02,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 01:44:02,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 01:44:02,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 01:44:02,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 01:44:02,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 01:44:02,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 01:44:02,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 01:44:02,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 01:44:02,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 01:44:02,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 01:44:02,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 01:44:02,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 01:44:02,346 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 01:44:02,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 01:44:02,347 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 01:44:02,347 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 01:44:02,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 01:44:02,348 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 01:44:02,348 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 01:44:02,348 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 01:44:02,349 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 01:44:02,349 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 01:44:02,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 01:44:02,350 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 01:44:02,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 01:44:02,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 01:44:02,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 01:44:02,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 01:44:02,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 01:44:02,351 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 01:44:02,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 01:44:02,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 01:44:02,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 01:44:02,352 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 01:44:02,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 01:44:02,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:44:02,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 01:44:02,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 01:44:02,353 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 01:44:02,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 01:44:02,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 01:44:02,353 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 01:44:02,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 01:44:02,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 01:44:02,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 01:44:02,401 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 01:44:02,401 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 01:44:02,402 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0530a.c [2019-09-10 01:44:02,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3f7c30ec/9dde57c7b1b14071846ea39bc6f91b84/FLAGcc23dc477 [2019-09-10 01:44:03,057 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 01:44:03,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0530a.c [2019-09-10 01:44:03,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3f7c30ec/9dde57c7b1b14071846ea39bc6f91b84/FLAGcc23dc477 [2019-09-10 01:44:03,297 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3f7c30ec/9dde57c7b1b14071846ea39bc6f91b84 [2019-09-10 01:44:03,311 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 01:44:03,313 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 01:44:03,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 01:44:03,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 01:44:03,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 01:44:03,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:44:03" (1/1) ... [2019-09-10 01:44:03,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3422a81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:03, skipping insertion in model container [2019-09-10 01:44:03,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:44:03" (1/1) ... [2019-09-10 01:44:03,335 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 01:44:03,397 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 01:44:03,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:44:03,912 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 01:44:04,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:44:04,126 INFO L192 MainTranslator]: Completed translation [2019-09-10 01:44:04,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:04 WrapperNode [2019-09-10 01:44:04,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 01:44:04,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 01:44:04,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 01:44:04,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 01:44:04,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:04" (1/1) ... [2019-09-10 01:44:04,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:04" (1/1) ... [2019-09-10 01:44:04,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:04" (1/1) ... [2019-09-10 01:44:04,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:04" (1/1) ... [2019-09-10 01:44:04,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:04" (1/1) ... [2019-09-10 01:44:04,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:04" (1/1) ... [2019-09-10 01:44:04,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:04" (1/1) ... [2019-09-10 01:44:04,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 01:44:04,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 01:44:04,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 01:44:04,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 01:44:04,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:44:04,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 01:44:04,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 01:44:04,424 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2019-09-10 01:44:04,424 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2019-09-10 01:44:04,424 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2019-09-10 01:44:04,424 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2019-09-10 01:44:04,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2019-09-10 01:44:04,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2019-09-10 01:44:04,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2019-09-10 01:44:04,425 INFO L138 BoogieDeclarations]: Found implementation of procedure tan_float [2019-09-10 01:44:04,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2019-09-10 01:44:04,426 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 01:44:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 01:44:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-10 01:44:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2019-09-10 01:44:04,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 01:44:04,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-10 01:44:04,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 01:44:04,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 01:44:04,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 01:44:04,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-10 01:44:04,429 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2019-09-10 01:44:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2019-09-10 01:44:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2019-09-10 01:44:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2019-09-10 01:44:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2019-09-10 01:44:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2019-09-10 01:44:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure tan_float [2019-09-10 01:44:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2019-09-10 01:44:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 01:44:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 01:44:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 01:44:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-09-10 01:44:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 01:44:06,193 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 01:44:06,193 INFO L283 CfgBuilder]: Removed 65 assume(true) statements. [2019-09-10 01:44:06,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:44:06 BoogieIcfgContainer [2019-09-10 01:44:06,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 01:44:06,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 01:44:06,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 01:44:06,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 01:44:06,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:44:03" (1/3) ... [2019-09-10 01:44:06,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f3ef43e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:44:06, skipping insertion in model container [2019-09-10 01:44:06,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:04" (2/3) ... [2019-09-10 01:44:06,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f3ef43e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:44:06, skipping insertion in model container [2019-09-10 01:44:06,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:44:06" (3/3) ... [2019-09-10 01:44:06,205 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0530a.c [2019-09-10 01:44:06,215 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 01:44:06,232 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 01:44:06,247 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 01:44:06,271 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 01:44:06,271 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 01:44:06,271 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 01:44:06,272 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 01:44:06,272 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 01:44:06,272 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 01:44:06,272 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 01:44:06,272 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 01:44:06,295 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states. [2019-09-10 01:44:06,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-10 01:44:06,306 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:44:06,307 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:44:06,309 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:44:06,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:44:06,315 INFO L82 PathProgramCache]: Analyzing trace with hash -706102008, now seen corresponding path program 1 times [2019-09-10 01:44:06,317 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:44:06,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:44:06,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:44:06,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:44:06,369 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:44:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 01:44:06,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 01:44:06,869 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 01:44:06,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 01:44:06,869 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 01:44:06,879 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 01:44:06,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 01:44:06,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 01:44:06,925 INFO L87 Difference]: Start difference. First operand 271 states. Second operand 5 states. [2019-09-10 01:44:07,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 01:44:07,062 INFO L93 Difference]: Finished difference Result 253 states and 346 transitions. [2019-09-10 01:44:07,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 01:44:07,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-09-10 01:44:07,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 01:44:07,099 INFO L225 Difference]: With dead ends: 253 [2019-09-10 01:44:07,099 INFO L226 Difference]: Without dead ends: 249 [2019-09-10 01:44:07,104 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 01:44:07,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2019-09-10 01:44:07,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2019-09-10 01:44:07,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2019-09-10 01:44:07,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 342 transitions. [2019-09-10 01:44:07,195 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 342 transitions. Word has length 18 [2019-09-10 01:44:07,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 01:44:07,196 INFO L475 AbstractCegarLoop]: Abstraction has 249 states and 342 transitions. [2019-09-10 01:44:07,196 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 01:44:07,196 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 342 transitions. [2019-09-10 01:44:07,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-09-10 01:44:07,199 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:44:07,199 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:44:07,199 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:44:07,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:44:07,200 INFO L82 PathProgramCache]: Analyzing trace with hash 515942940, now seen corresponding path program 1 times [2019-09-10 01:44:07,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:44:07,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:44:07,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:44:07,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:44:07,202 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:44:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:44:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:44:07,754 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 01:44:07,829 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 1112084226 could not be translated for associated CType ARRAY#_3_~INT# [2019-09-10 01:44:07,830 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 1112084228 could not be translated for associated CType ARRAY#_11_~FLOAT# [2019-09-10 01:44:07,831 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 1112084239 could not be translated for associated CType ARRAY#_11_~FLOAT# [2019-09-10 01:44:07,831 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 1112084229 could not be translated for associated CType ARRAY#_198_~~__int32_t~0# [2019-09-10 01:44:07,832 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 1112084241 could not be translated for associated CType ARRAY#_32_~~__int32_t~0# [2019-09-10 01:44:07,832 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 1112084255 could not be translated for associated CType ARRAY#_3_~INT# [2019-09-10 01:44:07,833 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 1112084244 could not be translated for associated CType ARRAY#_198_~~__int32_t~0# [2019-09-10 01:44:07,833 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 1112084260 could not be translated for associated CType ARRAY#_32_~~__int32_t~0# [2019-09-10 01:44:07,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 01:44:07 BoogieIcfgContainer [2019-09-10 01:44:07,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 01:44:07,861 INFO L168 Benchmark]: Toolchain (without parser) took 4548.00 ms. Allocated memory was 133.2 MB in the beginning and 257.9 MB in the end (delta: 124.8 MB). Free memory was 88.1 MB in the beginning and 161.5 MB in the end (delta: -73.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:07,862 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.8 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 01:44:07,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.49 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 87.9 MB in the beginning and 156.2 MB in the end (delta: -68.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:07,864 INFO L168 Benchmark]: Boogie Preprocessor took 214.74 ms. Allocated memory is still 199.8 MB. Free memory was 156.2 MB in the beginning and 148.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:07,865 INFO L168 Benchmark]: RCFGBuilder took 1852.86 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 148.2 MB in the beginning and 131.8 MB in the end (delta: 16.4 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:07,866 INFO L168 Benchmark]: TraceAbstraction took 1662.44 ms. Allocated memory was 224.4 MB in the beginning and 257.9 MB in the end (delta: 33.6 MB). Free memory was 131.8 MB in the beginning and 161.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:07,871 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.8 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 809.49 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 87.9 MB in the beginning and 156.2 MB in the end (delta: -68.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 214.74 ms. Allocated memory is still 199.8 MB. Free memory was 156.2 MB in the beginning and 148.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1852.86 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 148.2 MB in the beginning and 131.8 MB in the end (delta: 16.4 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1662.44 ms. Allocated memory was 224.4 MB in the beginning and 257.9 MB in the end (delta: 33.6 MB). Free memory was 131.8 MB in the beginning and 161.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 1112084226 could not be translated for associated CType ARRAY#_3_~INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 1112084228 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 1112084239 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 1112084229 could not be translated for associated CType ARRAY#_198_~~__int32_t~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 1112084241 could not be translated for associated CType ARRAY#_32_~~__int32_t~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 1112084255 could not be translated for associated CType ARRAY#_3_~INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 1112084244 could not be translated for associated CType ARRAY#_198_~~__int32_t~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 1112084260 could not be translated for associated CType ARRAY#_32_~~__int32_t~0# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 627]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 611. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L77-L79] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L147] static const int init_jk_krempio[] = {4, 7, 9}; [L149-L153] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L155-L157] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L332-L350] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L352-L358] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L360-L369] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L489-L497] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; VAL [\old(half_rempio)=1112084236, \old(huge_floor)=1112084250, \old(huge_scalbn)=1112084246, \old(init_jk_krempio)=null, \old(init_jk_krempio)=null, \old(invpio2_rempio)=1112084240, \old(npio2_hw_rempio)=null, \old(npio2_hw_rempio)=null, \old(one_krempio)=1112084259, \old(one_ktan)=1112084233, \old(pio2_1_rempio)=1112084225, \old(pio2_1t_rempio)=1112084231, \old(pio2_2_rempio)=1112084262, \old(pio2_2t_rempio)=1112084243, \old(pio2_3_rempio)=1112084251, \old(pio2_3t_rempio)=1112084230, \old(PIo2_krempio)=null, \old(PIo2_krempio)=null, \old(pio4_ktan)=1112084253, \old(pio4lo_ktan)=1112084227, \old(T_ktan)=1112084249, \old(T_ktan)=1112084235, \old(tiny_scalbn)=1112084261, \old(two25_scalbn)=1112084242, \old(two8_krempio)=1112084256, \old(two8_rempio)=1112084263, \old(two_over_pi_rempio)=null, \old(two_over_pi_rempio)=null, \old(twom25_scalbn)=1112084252, \old(twon8_krempio)=1112084247, \old(zero_krempio)=1112084248, \old(zero_rempio)=1112084258, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={-2:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={-6:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={-7:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={-4:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-5:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L622] float x = 0.0f; VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={-2:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={-6:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={-7:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={-4:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-5:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] [L623] CALL, EXPR tan_float(x) VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={-2:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={-6:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={-7:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={-4:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-5:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L580] float y[2], z = 0.0; [L581] __int32_t n, ix; VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={-2:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={-6:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={-7:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={-4:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-5:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={-3:0}, z=0, zero_krempio=0, zero_rempio=0] [L584] ieee_float_shape_type gf_u; [L585] gf_u.value = (x) [L586] EXPR gf_u.word [L586] (ix) = gf_u.word [L589] ix &= 0x7fffffff VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={-2:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={-6:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={-7:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={-4:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-5:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={-3:0}, z=0, zero_krempio=0, zero_rempio=0] [L590] COND FALSE !(ix <= 0x3f490fda) VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={-2:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={-6:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={-7:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={-4:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-5:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={-3:0}, z=0, zero_krempio=0, zero_rempio=0] [L593] COND TRUE !((ix) < 0x7f800000L) [L594] return x - x; [L594] return x - x; VAL [\old(x)=0, \result=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={-2:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={-6:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={-7:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={-4:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-5:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, z=0, zero_krempio=0, zero_rempio=0] [L623] RET, EXPR tan_float(x) VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={-2:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={-6:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={-7:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={-4:0}, tan_float(x)=0, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-5:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] [L623] float res = tan_float(x); [L626] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={-2:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={-6:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={-7:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=0, res == 0.0f && __signbit_float(res) == 0=1, T_ktan={-4:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-5:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] [L626] CALL, EXPR __signbit_float(res) VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={-2:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={-6:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={-7:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={-4:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-5:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L603] __uint32_t w; VAL [\old(x)=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={-2:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={-6:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={-7:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={-4:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-5:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] [L606] ieee_float_shape_type gf_u; [L607] gf_u.value = (x) [L608] EXPR gf_u.word [L608] (w) = gf_u.word [L611] return (w & 0x80000000) != 0; VAL [\old(x)=0, \result=1, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={-2:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={-6:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={-7:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={-4:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-5:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, w=1112084237, x=0, zero_krempio=0, zero_rempio=0] [L626] RET, EXPR __signbit_float(res) VAL [__signbit_float(res)=1, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={-2:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={-6:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={-7:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=0, res == 0.0f && __signbit_float(res) == 0=1, T_ktan={-4:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-5:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] [L626] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [__signbit_float(res)=1, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={-2:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={-6:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={-7:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=0, res == 0.0f && __signbit_float(res) == 0=0, T_ktan={-4:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-5:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] [L626] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L627] __VERIFIER_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={-2:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={-6:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={-7:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=0, T_ktan={-4:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={-5:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 271 locations, 1 error locations. UNSAFE Result, 1.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 340 SDtfs, 1 SDslu, 1012 SDs, 0 SdLazy, 13 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=271occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 595 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...