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/float_req_bl_0684b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:22:33,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:22:33,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:22:33,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-08 01:22:33,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:22:33,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:22:33,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:22:33,876 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 01:22:33,913 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:22:33,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:22:33,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:22:33,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:22:33,915 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:22:33,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:22:33,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:22:33,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:22:33,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:22:33,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:22:33,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:22:33,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:22:33,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:22:33,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:22:33,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:22:33,917 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:22:33,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:22:33,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:22:33,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:22:33,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:22:33,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:22:33,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:22:33,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:22:33,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:22:33,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:22:33,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:22:33,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:22:33,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:22:33,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:22:33,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:22:33,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:22:33,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:22:33,973 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:22:33,973 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:22:33,974 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0684b.c [2019-09-08 01:22:34,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8c806115/a10d47fd02314b98a43e2ae979012edc/FLAG5802eaf5f [2019-09-08 01:22:34,533 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:22:34,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0684b.c [2019-09-08 01:22:34,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8c806115/a10d47fd02314b98a43e2ae979012edc/FLAG5802eaf5f [2019-09-08 01:22:34,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8c806115/a10d47fd02314b98a43e2ae979012edc [2019-09-08 01:22:34,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:22:34,881 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:22:34,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:22:34,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:22:34,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:22:34,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:22:34" (1/1) ... [2019-09-08 01:22:34,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c9c9b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:34, skipping insertion in model container [2019-09-08 01:22:34,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:22:34" (1/1) ... [2019-09-08 01:22:34,900 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:22:34,931 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:22:35,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:22:35,273 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:22:35,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:22:35,358 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:22:35,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:35 WrapperNode [2019-09-08 01:22:35,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:22:35,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:22:35,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:22:35,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:22:35,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:35" (1/1) ... [2019-09-08 01:22:35,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:35" (1/1) ... [2019-09-08 01:22:35,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:35" (1/1) ... [2019-09-08 01:22:35,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:35" (1/1) ... [2019-09-08 01:22:35,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:35" (1/1) ... [2019-09-08 01:22:35,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:35" (1/1) ... [2019-09-08 01:22:35,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:35" (1/1) ... [2019-09-08 01:22:35,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:22:35,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:22:35,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:22:35,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:22:35,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:35" (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 01:22:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:22:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:22:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2019-09-08 01:22:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2019-09-08 01:22:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2019-09-08 01:22:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2019-09-08 01:22:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:22:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:22:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-08 01:22:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2019-09-08 01:22:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 01:22:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-08 01:22:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 01:22:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 01:22:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 01:22:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-08 01:22:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2019-09-08 01:22:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2019-09-08 01:22:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2019-09-08 01:22:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:22:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:22:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-09-08 01:22:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:22:36,161 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:22:36,163 INFO L283 CfgBuilder]: Removed 16 assume(true) statements. [2019-09-08 01:22:36,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:22:36 BoogieIcfgContainer [2019-09-08 01:22:36,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:22:36,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:22:36,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:22:36,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:22:36,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:22:34" (1/3) ... [2019-09-08 01:22:36,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26324fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:22:36, skipping insertion in model container [2019-09-08 01:22:36,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:35" (2/3) ... [2019-09-08 01:22:36,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26324fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:22:36, skipping insertion in model container [2019-09-08 01:22:36,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:22:36" (3/3) ... [2019-09-08 01:22:36,175 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0684b.c [2019-09-08 01:22:36,187 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:22:36,198 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:22:36,215 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:22:36,256 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:22:36,257 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:22:36,257 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:22:36,257 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:22:36,258 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:22:36,258 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:22:36,258 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:22:36,258 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:22:36,258 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:22:36,276 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2019-09-08 01:22:36,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-09-08 01:22:36,283 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:22:36,284 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:22:36,286 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:22:36,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:22:36,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1474576761, now seen corresponding path program 1 times [2019-09-08 01:22:36,292 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:22:36,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:22:36,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:22:36,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:22:36,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:22:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:22:36,494 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 01:22:36,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:22:36,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 01:22:36,504 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 01:22:36,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 01:22:36,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 01:22:36,523 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2019-09-08 01:22:36,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:22:36,572 INFO L93 Difference]: Finished difference Result 210 states and 329 transitions. [2019-09-08 01:22:36,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 01:22:36,574 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 26 [2019-09-08 01:22:36,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:22:36,595 INFO L225 Difference]: With dead ends: 210 [2019-09-08 01:22:36,596 INFO L226 Difference]: Without dead ends: 104 [2019-09-08 01:22:36,606 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 01:22:36,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-09-08 01:22:36,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-09-08 01:22:36,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-09-08 01:22:36,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 143 transitions. [2019-09-08 01:22:36,707 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 143 transitions. Word has length 26 [2019-09-08 01:22:36,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:22:36,708 INFO L475 AbstractCegarLoop]: Abstraction has 104 states and 143 transitions. [2019-09-08 01:22:36,708 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 01:22:36,708 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 143 transitions. [2019-09-08 01:22:36,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-09-08 01:22:36,711 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:22:36,711 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:22:36,711 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:22:36,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:22:36,712 INFO L82 PathProgramCache]: Analyzing trace with hash 708157831, now seen corresponding path program 1 times [2019-09-08 01:22:36,712 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:22:36,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:22:36,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:22:36,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:22:36,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:22:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:22:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:22:37,096 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:22:37,149 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8589934606 could not be translated for associated CType ARRAY#_4_~FLOAT# [2019-09-08 01:22:37,150 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8589934595 could not be translated for associated CType ARRAY#_11_~FLOAT# [2019-09-08 01:22:37,151 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8589934590 could not be translated for associated CType ARRAY#_4_~FLOAT# [2019-09-08 01:22:37,151 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8589934599 could not be translated for associated CType ARRAY#_11_~FLOAT# [2019-09-08 01:22:37,152 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8589934596 could not be translated for associated CType ARRAY#_4_~FLOAT# [2019-09-08 01:22:37,153 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8589934613 could not be translated for associated CType ARRAY#_4_~FLOAT# [2019-09-08 01:22:37,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:22:37 BoogieIcfgContainer [2019-09-08 01:22:37,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:22:37,201 INFO L168 Benchmark]: Toolchain (without parser) took 2317.13 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.5 MB in the beginning and 76.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:22:37,203 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:22:37,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.21 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.2 MB in the beginning and 170.2 MB in the end (delta: -83.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-09-08 01:22:37,207 INFO L168 Benchmark]: Boogie Preprocessor took 81.77 ms. Allocated memory is still 199.2 MB. Free memory was 170.2 MB in the beginning and 167.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-09-08 01:22:37,208 INFO L168 Benchmark]: RCFGBuilder took 724.79 ms. Allocated memory is still 199.2 MB. Free memory was 167.1 MB in the beginning and 126.6 MB in the end (delta: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. [2019-09-08 01:22:37,209 INFO L168 Benchmark]: TraceAbstraction took 1029.09 ms. Allocated memory is still 199.2 MB. Free memory was 126.6 MB in the beginning and 76.7 MB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:22:37,219 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 474.21 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.2 MB in the beginning and 170.2 MB in the end (delta: -83.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.77 ms. Allocated memory is still 199.2 MB. Free memory was 170.2 MB in the beginning and 167.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 724.79 ms. Allocated memory is still 199.2 MB. Free memory was 167.1 MB in the beginning and 126.6 MB in the end (delta: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1029.09 ms. Allocated memory is still 199.2 MB. Free memory was 126.6 MB in the beginning and 76.7 MB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 8589934606 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 8589934595 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 8589934590 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 8589934599 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 8589934596 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 8589934613 could not be translated for associated CType ARRAY#_4_~FLOAT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 243]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 242, overapproximation of someUnaryDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 133, overapproximation of someBinaryArithmeticFLOAToperation at line 135. Possible FailurePath: [L27-L32] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L47-L49] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L115-L116] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; 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)=8589934610, \old(one_atan)=8589934600, \old(pi)=8589934608, \old(pi_lo_atan2)=8589934598, \old(pi_o_2)=8589934589, \old(pi_o_4)=8589934604, \old(tiny_atan2)=8589934612, \old(zero_atan2)=8589934593, aT_atan={1:0}, atanhi_atan={-3:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L234] float x = __VERIFIER_nondet_float(); [L235] float y = -1.0f / 0.0f; VAL [aT_atan={1:0}, atanhi_atan={-3:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=8589934605, zero_atan2=0] [L237] CALL isfinite_float(x) VAL [\old(x)=8589934605, aT_atan={1:0}, atanhi_atan={-3:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L217] __int32_t ix; VAL [\old(x)=8589934605, aT_atan={1:0}, atanhi_atan={-3:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=8589934605, zero_atan2=0] [L219] ieee_float_shape_type gf_u; [L220] gf_u.value = (x) [L221] EXPR gf_u.word [L221] (ix) = gf_u.word [L223] ix &= 0x7fffffff [L224] return (((ix) < 0x7f800000L)); VAL [\old(x)=8589934605, \result=1, aT_atan={1:0}, atanhi_atan={-3:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, ix=2139095039, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=8589934605, zero_atan2=0] [L237] RET isfinite_float(x) VAL [aT_atan={1:0}, atanhi_atan={-3:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, isfinite_float(x)=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=8589934605, zero_atan2=0] [L237] COND TRUE isfinite_float(x) [L239] CALL, EXPR __ieee754_atan2f(y, x) VAL [\old(x)=8589934605, \old(y)=8589934603, aT_atan={1:0}, atanhi_atan={-3:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L119] float z; [L120] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=8589934605, \old(y)=8589934603, aT_atan={1:0}, atanhi_atan={-3:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=8589934605, y=8589934603, zero_atan2=0] [L123] ieee_float_shape_type gf_u; [L124] gf_u.value = (x) [L125] EXPR gf_u.word [L125] (hx) = gf_u.word [L127] ix = hx & 0x7fffffff VAL [\old(x)=8589934605, \old(y)=8589934603, aT_atan={1:0}, atanhi_atan={-3:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, hx=-4, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=8589934605, y=8589934603, zero_atan2=0] [L129] ieee_float_shape_type gf_u; [L130] gf_u.value = (y) [L131] EXPR gf_u.word [L131] (hy) = gf_u.word [L133] iy = hy & 0x7fffffff VAL [\old(x)=8589934605, \old(y)=8589934603, aT_atan={1:0}, atanhi_atan={-3:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, hx=-4, hy=-5, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=8589934605, y=8589934603, zero_atan2=0] [L134] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L135] return x + y; VAL [\old(x)=8589934605, \old(y)=8589934603, aT_atan={1:0}, atanhi_atan={-3:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, hx=-4, hy=-5, ix=2139095041, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=8589934605, y=8589934603, zero_atan2=0] [L239] RET, EXPR __ieee754_atan2f(y, x) VAL [__ieee754_atan2f(y, x)=8589934607, aT_atan={1:0}, atanhi_atan={-3:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=8589934605, y=8589934603, zero_atan2=0] [L239] float res = __ieee754_atan2f(y, x); [L242] COND TRUE res != -pi_o_2 VAL [aT_atan={1:0}, atanhi_atan={-3:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=8589934607, tiny_atan2=1/1000000000000000000000000000000, x=8589934605, y=8589934603, zero_atan2=0] [L243] __VERIFIER_error() VAL [aT_atan={1:0}, atanhi_atan={-3:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=8589934607, tiny_atan2=1/1000000000000000000000000000000, x=8589934605, y=8589934603, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 109 locations, 1 error locations. UNSAFE Result, 0.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 149 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=109occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 625 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...