/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_0683b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 03:45:29,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 03:45:29,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 03:45:29,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 03:45:29,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 03:45:29,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 03:45:29,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 03:45:29,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 03:45:29,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 03:45:29,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 03:45:29,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 03:45:29,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 03:45:29,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 03:45:29,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 03:45:29,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 03:45:29,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 03:45:29,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 03:45:29,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 03:45:29,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 03:45:29,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 03:45:29,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 03:45:29,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 03:45:29,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 03:45:29,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 03:45:29,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 03:45:29,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 03:45:29,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 03:45:29,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 03:45:29,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 03:45:29,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 03:45:29,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 03:45:29,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 03:45:29,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 03:45:29,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 03:45:29,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 03:45:29,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 03:45:29,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 03:45:29,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 03:45:29,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 03:45:29,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 03:45:29,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 03:45:29,737 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 03:45:29,786 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 03:45:29,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 03:45:29,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 03:45:29,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 03:45:29,788 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 03:45:29,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 03:45:29,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 03:45:29,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 03:45:29,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 03:45:29,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 03:45:29,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 03:45:29,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 03:45:29,790 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 03:45:29,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 03:45:29,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 03:45:29,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 03:45:29,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 03:45:29,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 03:45:29,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 03:45:29,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 03:45:29,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 03:45:29,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 03:45:29,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 03:45:29,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 03:45:29,792 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 03:45:29,792 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 03:45:30,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 03:45:30,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 03:45:30,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 03:45:30,210 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 03:45:30,211 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 03:45:30,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2020-12-22 03:45:30,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1dc7bbf4/90b4d11b295344f58c75b7ad124b117a/FLAG6ecbc1e06 [2020-12-22 03:45:30,854 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 03:45:30,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2020-12-22 03:45:30,867 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1dc7bbf4/90b4d11b295344f58c75b7ad124b117a/FLAG6ecbc1e06 [2020-12-22 03:45:31,192 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1dc7bbf4/90b4d11b295344f58c75b7ad124b117a [2020-12-22 03:45:31,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 03:45:31,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 03:45:31,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 03:45:31,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 03:45:31,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 03:45:31,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:45:31" (1/1) ... [2020-12-22 03:45:31,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b693b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:31, skipping insertion in model container [2020-12-22 03:45:31,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:45:31" (1/1) ... [2020-12-22 03:45:31,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 03:45:31,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 03:45:31,487 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_0683b.c[7144,7157] [2020-12-22 03:45:31,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 03:45:31,502 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 03:45:31,566 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_0683b.c[7144,7157] [2020-12-22 03:45:31,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 03:45:31,591 INFO L208 MainTranslator]: Completed translation [2020-12-22 03:45:31,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:31 WrapperNode [2020-12-22 03:45:31,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 03:45:31,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 03:45:31,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 03:45:31,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 03:45:31,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:31" (1/1) ... [2020-12-22 03:45:31,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:31" (1/1) ... [2020-12-22 03:45:31,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 03:45:31,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 03:45:31,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 03:45:31,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 03:45:31,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:31" (1/1) ... [2020-12-22 03:45:31,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:31" (1/1) ... [2020-12-22 03:45:31,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:31" (1/1) ... [2020-12-22 03:45:31,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:31" (1/1) ... [2020-12-22 03:45:31,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:31" (1/1) ... [2020-12-22 03:45:31,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:31" (1/1) ... [2020-12-22 03:45:31,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:31" (1/1) ... [2020-12-22 03:45:31,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 03:45:31,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 03:45:31,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 03:45:31,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 03:45:31,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:31" (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 03:45:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 03:45:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 03:45:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-22 03:45:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 03:45:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-22 03:45:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 03:45:31,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 03:45:31,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 03:45:31,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-22 03:45:31,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 03:45:32,887 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 03:45:32,887 INFO L299 CfgBuilder]: Removed 56 assume(true) statements. [2020-12-22 03:45:32,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:45:32 BoogieIcfgContainer [2020-12-22 03:45:32,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 03:45:32,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 03:45:32,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 03:45:32,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 03:45:32,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:45:31" (1/3) ... [2020-12-22 03:45:32,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@340e34ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:45:32, skipping insertion in model container [2020-12-22 03:45:32,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:45:31" (2/3) ... [2020-12-22 03:45:32,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@340e34ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:45:32, skipping insertion in model container [2020-12-22 03:45:32,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:45:32" (3/3) ... [2020-12-22 03:45:32,898 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2020-12-22 03:45:32,905 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 03:45:32,910 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 03:45:32,928 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 03:45:32,956 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 03:45:32,956 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 03:45:32,956 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 03:45:32,956 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 03:45:32,956 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 03:45:32,957 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 03:45:32,957 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 03:45:32,957 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 03:45:32,975 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-12-22 03:45:32,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 03:45:32,981 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:45:32,982 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:45:32,982 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:45:32,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:45:32,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1964703289, now seen corresponding path program 1 times [2020-12-22 03:45:32,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:45:32,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075174303] [2020-12-22 03:45:32,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:45:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:45:33,175 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 03:45:33,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075174303] [2020-12-22 03:45:33,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 03:45:33,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 03:45:33,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354936141] [2020-12-22 03:45:33,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 03:45:33,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:45:33,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 03:45:33,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 03:45:33,200 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2020-12-22 03:45:33,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:45:33,238 INFO L93 Difference]: Finished difference Result 256 states and 428 transitions. [2020-12-22 03:45:33,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 03:45:33,240 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 03:45:33,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:45:33,253 INFO L225 Difference]: With dead ends: 256 [2020-12-22 03:45:33,253 INFO L226 Difference]: Without dead ends: 125 [2020-12-22 03:45:33,257 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 03:45:33,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-22 03:45:33,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-12-22 03:45:33,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-12-22 03:45:33,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 175 transitions. [2020-12-22 03:45:33,307 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 175 transitions. Word has length 16 [2020-12-22 03:45:33,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:45:33,307 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 175 transitions. [2020-12-22 03:45:33,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 03:45:33,308 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2020-12-22 03:45:33,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 03:45:33,309 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:45:33,309 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:45:33,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 03:45:33,309 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:45:33,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:45:33,311 INFO L82 PathProgramCache]: Analyzing trace with hash 553662369, now seen corresponding path program 1 times [2020-12-22 03:45:33,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:45:33,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903293773] [2020-12-22 03:45:33,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:45:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:45:33,438 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 03:45:33,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903293773] [2020-12-22 03:45:33,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 03:45:33,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 03:45:33,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257729236] [2020-12-22 03:45:33,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 03:45:33,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:45:33,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 03:45:33,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 03:45:33,443 INFO L87 Difference]: Start difference. First operand 125 states and 175 transitions. Second operand 3 states. [2020-12-22 03:45:33,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:45:33,501 INFO L93 Difference]: Finished difference Result 239 states and 338 transitions. [2020-12-22 03:45:33,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 03:45:33,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 03:45:33,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:45:33,507 INFO L225 Difference]: With dead ends: 239 [2020-12-22 03:45:33,507 INFO L226 Difference]: Without dead ends: 125 [2020-12-22 03:45:33,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 03:45:33,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-22 03:45:33,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-12-22 03:45:33,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-12-22 03:45:33,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 174 transitions. [2020-12-22 03:45:33,533 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 174 transitions. Word has length 19 [2020-12-22 03:45:33,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:45:33,533 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 174 transitions. [2020-12-22 03:45:33,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 03:45:33,534 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2020-12-22 03:45:33,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 03:45:33,537 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:45:33,537 INFO L422 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] [2020-12-22 03:45:33,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 03:45:33,537 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:45:33,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:45:33,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1139099466, now seen corresponding path program 1 times [2020-12-22 03:45:33,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:45:33,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335761401] [2020-12-22 03:45:33,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:45:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 03:45:33,759 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 03:45:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 03:45:33,990 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 03:45:34,040 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 03:45:34,041 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 03:45:34,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 03:45:34,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 03:45:34 BoogieIcfgContainer [2020-12-22 03:45:34,162 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 03:45:34,163 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 03:45:34,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 03:45:34,163 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 03:45:34,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:45:32" (3/4) ... [2020-12-22 03:45:34,169 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-22 03:45:34,170 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 03:45:34,178 INFO L168 Benchmark]: Toolchain (without parser) took 2971.99 ms. Allocated memory was 180.4 MB in the beginning and 223.3 MB in the end (delta: 43.0 MB). Free memory was 154.3 MB in the beginning and 181.2 MB in the end (delta: -26.9 MB). Peak memory consumption was 17.1 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:34,179 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 180.4 MB. Free memory is still 151.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 03:45:34,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.38 ms. Allocated memory is still 180.4 MB. Free memory was 154.1 MB in the beginning and 138.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:34,183 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.56 ms. Allocated memory is still 180.4 MB. Free memory was 138.7 MB in the beginning and 135.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:34,187 INFO L168 Benchmark]: Boogie Preprocessor took 81.30 ms. Allocated memory is still 180.4 MB. Free memory was 135.0 MB in the beginning and 131.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:34,188 INFO L168 Benchmark]: RCFGBuilder took 1136.35 ms. Allocated memory is still 180.4 MB. Free memory was 131.4 MB in the beginning and 109.3 MB in the end (delta: 22.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:34,191 INFO L168 Benchmark]: TraceAbstraction took 1270.86 ms. Allocated memory was 180.4 MB in the beginning and 223.3 MB in the end (delta: 43.0 MB). Free memory was 108.8 MB in the beginning and 181.2 MB in the end (delta: -72.4 MB). Peak memory consumption was 56.1 MB. Max. memory is 8.0 GB. [2020-12-22 03:45:34,192 INFO L168 Benchmark]: Witness Printer took 9.88 ms. Allocated memory is still 223.3 MB. Free memory is still 181.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 03:45:34,203 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 180.4 MB. Free memory is still 151.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 386.38 ms. Allocated memory is still 180.4 MB. Free memory was 154.1 MB in the beginning and 138.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 77.56 ms. Allocated memory is still 180.4 MB. Free memory was 138.7 MB in the beginning and 135.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 81.30 ms. Allocated memory is still 180.4 MB. Free memory was 135.0 MB in the beginning and 131.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1136.35 ms. Allocated memory is still 180.4 MB. Free memory was 131.4 MB in the beginning and 109.3 MB in the end (delta: 22.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1270.86 ms. Allocated memory was 180.4 MB in the beginning and 223.3 MB in the end (delta: 43.0 MB). Free memory was 108.8 MB in the beginning and 181.2 MB in the end (delta: -72.4 MB). Peak memory consumption was 56.1 MB. Max. memory is 8.0 GB. * Witness Printer took 9.88 ms. Allocated memory is still 223.3 MB. Free memory is still 181.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 300]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 299. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L291] double x = 1.0 / 0.0; [L292] double y = __VERIFIER_nondet_double(); [L248] __int32_t hx, lx; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L294] EXPR isinf_double(x) && isfinite_double(y) [L262] __int32_t hx; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L294] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L294] COND TRUE isinf_double(x) && isfinite_double(y) && y > 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L296] double res = __ieee754_atan2(y, x); [L299] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L299] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L300] reach_error() VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 355 SDtfs, 0 SDslu, 169 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 567 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...