/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_0550a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 03:44:54,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 03:44:54,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 03:44:54,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 03:44:54,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 03:44:54,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 03:44:54,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 03:44:54,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 03:44:54,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 03:44:54,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 03:44:54,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 03:44:54,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 03:44:54,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 03:44:54,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 03:44:54,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 03:44:54,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 03:44:54,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 03:44:54,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 03:44:55,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 03:44:55,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 03:44:55,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 03:44:55,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 03:44:55,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 03:44:55,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 03:44:55,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 03:44:55,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 03:44:55,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 03:44:55,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 03:44:55,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 03:44:55,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 03:44:55,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 03:44:55,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 03:44:55,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 03:44:55,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 03:44:55,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 03:44:55,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 03:44:55,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 03:44:55,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 03:44:55,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 03:44:55,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 03:44:55,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 03:44:55,038 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 03:44:55,065 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 03:44:55,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 03:44:55,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 03:44:55,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 03:44:55,067 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 03:44:55,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 03:44:55,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 03:44:55,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 03:44:55,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 03:44:55,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 03:44:55,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 03:44:55,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 03:44:55,068 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 03:44:55,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 03:44:55,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 03:44:55,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 03:44:55,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 03:44:55,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 03:44:55,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 03:44:55,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 03:44:55,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 03:44:55,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 03:44:55,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 03:44:55,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 03:44:55,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 03:44:55,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 03:44:55,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 03:44:55,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 03:44:55,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 03:44:55,459 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 03:44:55,460 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 03:44:55,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0550a.c [2020-12-22 03:44:55,556 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee8c0c12/0eee28a98c5f4ea4bde5e37541474ec4/FLAGc39f0fead [2020-12-22 03:44:56,234 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 03:44:56,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0550a.c [2020-12-22 03:44:56,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee8c0c12/0eee28a98c5f4ea4bde5e37541474ec4/FLAGc39f0fead [2020-12-22 03:44:56,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee8c0c12/0eee28a98c5f4ea4bde5e37541474ec4 [2020-12-22 03:44:56,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 03:44:56,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 03:44:56,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 03:44:56,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 03:44:56,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 03:44:56,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:44:56" (1/1) ... [2020-12-22 03:44:56,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cf6056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:56, skipping insertion in model container [2020-12-22 03:44:56,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:44:56" (1/1) ... [2020-12-22 03:44:56,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 03:44:56,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 03:44:56,930 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0550a.c[16148,16161] [2020-12-22 03:44:56,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 03:44:56,958 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 03:44:57,097 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0550a.c[16148,16161] [2020-12-22 03:44:57,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 03:44:57,156 INFO L208 MainTranslator]: Completed translation [2020-12-22 03:44:57,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:57 WrapperNode [2020-12-22 03:44:57,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 03:44:57,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 03:44:57,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 03:44:57,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 03:44:57,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:57" (1/1) ... [2020-12-22 03:44:57,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:57" (1/1) ... [2020-12-22 03:44:57,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 03:44:57,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 03:44:57,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 03:44:57,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 03:44:57,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:57" (1/1) ... [2020-12-22 03:44:57,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:57" (1/1) ... [2020-12-22 03:44:57,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:57" (1/1) ... [2020-12-22 03:44:57,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:57" (1/1) ... [2020-12-22 03:44:57,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:57" (1/1) ... [2020-12-22 03:44:57,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:57" (1/1) ... [2020-12-22 03:44:57,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:57" (1/1) ... [2020-12-22 03:44:57,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 03:44:57,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 03:44:57,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 03:44:57,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 03:44:57,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 03:44:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 03:44:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 03:44:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-22 03:44:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 03:44:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-22 03:44:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 03:44:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 03:44:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 03:44:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-22 03:44:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 03:44:59,663 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 03:44:59,663 INFO L299 CfgBuilder]: Removed 227 assume(true) statements. [2020-12-22 03:44:59,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:44:59 BoogieIcfgContainer [2020-12-22 03:44:59,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 03:44:59,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 03:44:59,668 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 03:44:59,671 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 03:44:59,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:44:56" (1/3) ... [2020-12-22 03:44:59,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c8515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:44:59, skipping insertion in model container [2020-12-22 03:44:59,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:57" (2/3) ... [2020-12-22 03:44:59,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c8515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:44:59, skipping insertion in model container [2020-12-22 03:44:59,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:44:59" (3/3) ... [2020-12-22 03:44:59,675 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0550a.c [2020-12-22 03:44:59,681 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 03:44:59,687 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 03:44:59,707 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 03:44:59,739 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 03:44:59,740 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 03:44:59,740 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 03:44:59,740 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 03:44:59,740 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 03:44:59,740 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 03:44:59,740 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 03:44:59,740 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 03:44:59,766 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states. [2020-12-22 03:44:59,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-22 03:44:59,773 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:44:59,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:44:59,774 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:44:59,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:44:59,781 INFO L82 PathProgramCache]: Analyzing trace with hash 571473099, now seen corresponding path program 1 times [2020-12-22 03:44:59,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:44:59,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684502580] [2020-12-22 03:44:59,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:44:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:45:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 03:45:00,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684502580] [2020-12-22 03:45:00,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 03:45:00,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 03:45:00,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404746925] [2020-12-22 03:45:00,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 03:45:00,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:45:00,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 03:45:00,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 03:45:00,167 INFO L87 Difference]: Start difference. First operand 411 states. Second operand 2 states. [2020-12-22 03:45:00,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:45:00,246 INFO L93 Difference]: Finished difference Result 820 states and 1410 transitions. [2020-12-22 03:45:00,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 03:45:00,248 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-22 03:45:00,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:45:00,270 INFO L225 Difference]: With dead ends: 820 [2020-12-22 03:45:00,270 INFO L226 Difference]: Without dead ends: 408 [2020-12-22 03:45:00,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 03:45:00,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2020-12-22 03:45:00,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2020-12-22 03:45:00,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-12-22 03:45:00,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 531 transitions. [2020-12-22 03:45:00,353 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 531 transitions. Word has length 10 [2020-12-22 03:45:00,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:45:00,356 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 531 transitions. [2020-12-22 03:45:00,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 03:45:00,357 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 531 transitions. [2020-12-22 03:45:00,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-22 03:45:00,357 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:45:00,357 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:45:00,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 03:45:00,358 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:45:00,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:45:00,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1763834098, now seen corresponding path program 1 times [2020-12-22 03:45:00,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:45:00,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825811603] [2020-12-22 03:45:00,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:45:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 03:45:00,549 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 03:45:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 03:45:00,680 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 03:45:00,735 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 03:45:00,735 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 03:45:00,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 03:45:00,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 03:45:00 BoogieIcfgContainer [2020-12-22 03:45:00,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 03:45:00,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 03:45:00,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 03:45:00,843 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 03:45:00,845 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:44:59" (3/4) ... [2020-12-22 03:45:00,849 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-22 03:45:00,849 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 03:45:00,854 INFO L168 Benchmark]: Toolchain (without parser) took 4341.52 ms. Allocated memory was 151.0 MB in the beginning and 192.9 MB in the end (delta: 41.9 MB). Free memory was 125.7 MB in the beginning and 94.6 MB in the end (delta: 31.1 MB). Peak memory consumption was 74.6 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:00,855 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 03:45:00,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.67 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 99.1 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:00,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.78 ms. Allocated memory is still 151.0 MB. Free memory was 99.1 MB in the beginning and 89.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:00,858 INFO L168 Benchmark]: Boogie Preprocessor took 300.08 ms. Allocated memory is still 151.0 MB. Free memory was 89.2 MB in the beginning and 126.5 MB in the end (delta: -37.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:00,860 INFO L168 Benchmark]: RCFGBuilder took 2076.14 ms. Allocated memory was 151.0 MB in the beginning and 192.9 MB in the end (delta: 41.9 MB). Free memory was 126.5 MB in the beginning and 154.3 MB in the end (delta: -27.8 MB). Peak memory consumption was 94.9 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:00,861 INFO L168 Benchmark]: TraceAbstraction took 1175.09 ms. Allocated memory is still 192.9 MB. Free memory was 154.3 MB in the beginning and 95.1 MB in the end (delta: 59.2 MB). Peak memory consumption was 58.7 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:00,864 INFO L168 Benchmark]: Witness Printer took 5.86 ms. Allocated memory is still 192.9 MB. Free memory was 95.1 MB in the beginning and 94.6 MB in the end (delta: 526.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:00,877 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 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 645.67 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 99.1 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 124.78 ms. Allocated memory is still 151.0 MB. Free memory was 99.1 MB in the beginning and 89.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 300.08 ms. Allocated memory is still 151.0 MB. Free memory was 89.2 MB in the beginning and 126.5 MB in the end (delta: -37.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2076.14 ms. Allocated memory was 151.0 MB in the beginning and 192.9 MB in the end (delta: 41.9 MB). Free memory was 126.5 MB in the beginning and 154.3 MB in the end (delta: -27.8 MB). Peak memory consumption was 94.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1175.09 ms. Allocated memory is still 192.9 MB. Free memory was 154.3 MB in the beginning and 95.1 MB in the end (delta: 59.2 MB). Peak memory consumption was 58.7 MB. Max. memory is 8.0 GB. * Witness Printer took 5.86 ms. Allocated memory is still 192.9 MB. Free memory was 95.1 MB in the beginning and 94.6 MB in the end (delta: 526.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 649]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 538, overapproximation of someBinaryArithmeticDOUBLEoperation at line 629, overapproximation of bitwiseAnd at line 624, overapproximation of someBinaryDOUBLEComparisonOperation at line 20. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L108-L110] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L179] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L181-L186] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L188-L190] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L365-L376] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L378-L385] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L387-L396] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L529-L540] static const double one_ktan = 1.00000000000000000000e+00, pio4_ktan = 7.85398163397448278999e-01, pio4lo_ktan = 3.06161699786838301793e-17, T[] = { 3.33333333333334091986e-01, 1.33333333333201242699e-01, 5.39682539762260521377e-02, 2.18694882948595424599e-02, 8.86323982359930005737e-03, 3.59207910759131235356e-03, 1.45620945432529025516e-03, 5.88041240820264096874e-04, 2.46463134818469906812e-04, 7.81794442939557092300e-05, 7.14072491382608190305e-05, -1.85586374855275456654e-05, 2.59073051863633712884e-05, }; VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={11:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={15:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={17:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={10:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={13:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L644] double x = 1.0 / 0.0; [L615] double y[2], z = 0.0; [L616] __int32_t n, ix; VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={11:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={15:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={17:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={10:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={13:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L619] ieee_double_shape_type gh_u; [L620] gh_u.value = (x) [L621] EXPR gh_u.parts.msw [L621] (ix) = gh_u.parts.msw [L624] ix &= 0x7fffffff VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={11:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={15:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={17:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={10:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={13:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L625] COND FALSE !(ix <= 0x3fe921fb) VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={11:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={15:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={17:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={10:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={13:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L628] COND TRUE ix >= 0x7ff00000 [L629] return x - x; [L629] return x - x; VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={11:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={15:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={17:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={10:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={13:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L645] double res = tan_double(x); [L20] return x != x; VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={11:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={15:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={17:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={10:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={13:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L648] COND TRUE !isnan_double(res) [L649] reach_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={11:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={15:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={17:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={10:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={13:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 411 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 534 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=411occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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...