java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0621a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:19:53,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:19:53,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:19:53,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:19:53,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:19:53,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:19:53,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:19:53,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:19:53,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:19:53,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:19:53,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:19:53,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:19:53,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:19:53,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:19:53,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:19:53,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:19:53,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:19:53,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:19:53,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:19:53,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:19:53,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:19:53,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:19:53,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:19:53,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:19:53,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 01:19:53,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:19:53,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:19:53,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:19:53,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:19:53,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:19:53,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:19:53,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:19:53,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:19:53,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:19:53,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:19:53,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:19:53,862 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 01:19:53,887 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:19:53,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:19:53,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:19:53,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:19:53,890 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:19:53,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:19:53,890 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:19:53,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:19:53,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:19:53,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:19:53,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:19:53,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:19:53,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:19:53,893 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:19:53,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:19:53,893 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:19:53,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:19:53,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:19:53,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:19:53,894 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:19:53,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:19:53,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:19:53,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:19:53,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:19:53,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:19:53,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:19:53,896 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:19:53,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:19:53,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:19:53,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:19:53,943 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:19:53,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:19:53,948 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:19:53,948 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:19:53,949 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0621a.c [2019-09-08 01:19:54,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/064aed602/1f45b5bfc6294038b8a657bbb662772a/FLAGd0f068b80 [2019-09-08 01:19:54,548 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:19:54,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0621a.c [2019-09-08 01:19:54,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/064aed602/1f45b5bfc6294038b8a657bbb662772a/FLAGd0f068b80 [2019-09-08 01:19:54,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/064aed602/1f45b5bfc6294038b8a657bbb662772a [2019-09-08 01:19:54,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:19:54,870 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:19:54,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:19:54,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:19:54,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:19:54,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:19:54" (1/1) ... [2019-09-08 01:19:54,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52db89b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:19:54, skipping insertion in model container [2019-09-08 01:19:54,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:19:54" (1/1) ... [2019-09-08 01:19:54,888 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:19:54,921 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:19:55,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:19:55,399 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:19:55,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:19:55,534 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:19:55,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:19:55 WrapperNode [2019-09-08 01:19:55,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:19:55,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:19:55,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:19:55,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:19:55,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:19:55" (1/1) ... [2019-09-08 01:19:55,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:19:55" (1/1) ... [2019-09-08 01:19:55,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:19:55" (1/1) ... [2019-09-08 01:19:55,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:19:55" (1/1) ... [2019-09-08 01:19:55,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:19:55" (1/1) ... [2019-09-08 01:19:55,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:19:55" (1/1) ... [2019-09-08 01:19:55,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:19:55" (1/1) ... [2019-09-08 01:19:55,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:19:55,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:19:55,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:19:55,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:19:55,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:19:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:19:55,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:19:55,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:19:55,650 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2019-09-08 01:19:55,650 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2019-09-08 01:19:55,651 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:19:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:19:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-08 01:19:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2019-09-08 01:19:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 01:19:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-08 01:19:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 01:19:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 01:19:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 01:19:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-08 01:19:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2019-09-08 01:19:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:19:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:19:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-09-08 01:19:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:19:56,134 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:19:56,135 INFO L283 CfgBuilder]: Removed 8 assume(true) statements. [2019-09-08 01:19:56,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:19:56 BoogieIcfgContainer [2019-09-08 01:19:56,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:19:56,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:19:56,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:19:56,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:19:56,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:19:54" (1/3) ... [2019-09-08 01:19:56,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520194a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:19:56, skipping insertion in model container [2019-09-08 01:19:56,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:19:55" (2/3) ... [2019-09-08 01:19:56,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520194a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:19:56, skipping insertion in model container [2019-09-08 01:19:56,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:19:56" (3/3) ... [2019-09-08 01:19:56,144 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0621a.c [2019-09-08 01:19:56,154 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:19:56,162 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:19:56,181 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:19:56,215 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:19:56,215 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:19:56,216 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:19:56,216 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:19:56,216 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:19:56,217 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:19:56,217 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:19:56,217 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:19:56,217 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:19:56,238 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2019-09-08 01:19:56,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-08 01:19:56,244 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:19:56,245 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:19:56,246 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:19:56,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:19:56,251 INFO L82 PathProgramCache]: Analyzing trace with hash 253536521, now seen corresponding path program 1 times [2019-09-08 01:19:56,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:19:56,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:19:56,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:19:56,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:19:56,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:19:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:19:56,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 01:19:56,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:19:56,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 01:19:56,444 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 01:19:56,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 01:19:56,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 01:19:56,462 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2019-09-08 01:19:56,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:19:56,491 INFO L93 Difference]: Finished difference Result 86 states and 125 transitions. [2019-09-08 01:19:56,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 01:19:56,492 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-09-08 01:19:56,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:19:56,502 INFO L225 Difference]: With dead ends: 86 [2019-09-08 01:19:56,503 INFO L226 Difference]: Without dead ends: 43 [2019-09-08 01:19:56,506 INFO L628 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 [2019-09-08 01:19:56,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-09-08 01:19:56,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-09-08 01:19:56,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-09-08 01:19:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2019-09-08 01:19:56,550 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 53 transitions. Word has length 18 [2019-09-08 01:19:56,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:19:56,551 INFO L475 AbstractCegarLoop]: Abstraction has 43 states and 53 transitions. [2019-09-08 01:19:56,551 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 01:19:56,552 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2019-09-08 01:19:56,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-09-08 01:19:56,553 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:19:56,553 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:19:56,554 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:19:56,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:19:56,554 INFO L82 PathProgramCache]: Analyzing trace with hash -249533049, now seen corresponding path program 1 times [2019-09-08 01:19:56,554 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:19:56,555 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:19:56,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:19:56,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:19:56,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:19:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:19:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:19:56,818 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:19:56,867 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967317 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2019-09-08 01:19:56,868 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967313 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2019-09-08 01:19:56,869 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967308 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2019-09-08 01:19:56,870 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967315 could not be translated for associated CType ARRAY#_11_~DOUBLE# [2019-09-08 01:19:56,870 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967319 could not be translated for associated CType ARRAY#_11_~DOUBLE# [2019-09-08 01:19:56,871 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967318 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2019-09-08 01:19:56,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:19:56 BoogieIcfgContainer [2019-09-08 01:19:56,907 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:19:56,911 INFO L168 Benchmark]: Toolchain (without parser) took 2038.80 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 87.3 MB in the beginning and 111.1 MB in the end (delta: -23.9 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2019-09-08 01:19:56,913 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-08 01:19:56,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.16 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 87.1 MB in the beginning and 176.3 MB in the end (delta: -89.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:19:56,917 INFO L168 Benchmark]: Boogie Preprocessor took 60.08 ms. Allocated memory is still 200.8 MB. Free memory was 175.7 MB in the beginning and 173.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-08 01:19:56,917 INFO L168 Benchmark]: RCFGBuilder took 540.97 ms. Allocated memory is still 200.8 MB. Free memory was 173.1 MB in the beginning and 149.0 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-09-08 01:19:56,918 INFO L168 Benchmark]: TraceAbstraction took 769.94 ms. Allocated memory is still 200.8 MB. Free memory was 148.4 MB in the beginning and 111.1 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2019-09-08 01:19:56,930 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 663.16 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 87.1 MB in the beginning and 176.3 MB in the end (delta: -89.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.08 ms. Allocated memory is still 200.8 MB. Free memory was 175.7 MB in the beginning and 173.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 540.97 ms. Allocated memory is still 200.8 MB. Free memory was 173.1 MB in the beginning and 149.0 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 769.94 ms. Allocated memory is still 200.8 MB. Free memory was 148.4 MB in the beginning and 111.1 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967317 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967313 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967308 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967315 could not be translated for associated CType ARRAY#_11_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967319 could not be translated for associated CType ARRAY#_11_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967318 could not be translated for associated CType ARRAY#_4_~DOUBLE# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 145]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 82, overapproximation of bitwiseAnd at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 144. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] 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, }; [L60-L62] 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; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=4294967314, \old(one_atan)=4294967300, \old(pi)=4294967310, \old(pi_o_2)=4294967301, \old(pi_o_4)=4294967305, aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-4:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L141] double x = 1.0 / 0.0; VAL [aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-4:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L142] CALL, EXPR atan_double(x) VAL [\old(x)=4294967303, aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-4:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L65] double w, s1, s2, z; [L66] __int32_t ix, hx, id; VAL [\old(x)=4294967303, aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-4:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=4294967303] [L69] ieee_double_shape_type gh_u; [L70] gh_u.value = (x) [L71] EXPR gh_u.parts.msw [L71] (hx) = gh_u.parts.msw [L73] ix = hx & 0x7fffffff VAL [\old(x)=4294967303, aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-4:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=4294967303] [L74] COND TRUE ix >= 0x44100000 [L75] __uint32_t low; VAL [\old(x)=4294967303, aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-4:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, ix=2146435072, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=4294967303] [L77] ieee_double_shape_type gl_u; [L78] gl_u.value = (x) [L79] EXPR gl_u.parts.lsw [L79] (low) = gl_u.parts.lsw [L81] COND TRUE ix > 0x7ff00000 || (ix == 0x7ff00000 && (low != 0)) [L82] return x + x; VAL [\old(x)=4294967303, aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-4:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, ix=2146435072, low=1, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=4294967303] [L142] RET, EXPR atan_double(x) VAL [aT_atan={-1:0}, atan_double(x)=4294967316, atanhi_atan={-2:0}, atanlo_atan={-4:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=4294967303] [L142] double res = atan_double(x); [L144] COND TRUE res != pi_o_2 VAL [aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-4:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=4294967316, x=4294967303] [L145] __VERIFIER_error() VAL [aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-4:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=4294967316, x=4294967303] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 47 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 57 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=47occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...