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_0661a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:22:16,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:22:16,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:22:16,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:22:16,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:22:16,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:22:16,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:22:16,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:22:16,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:22:16,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:22:16,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:22:16,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:22:16,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:22:16,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:22:16,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:22:16,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:22:16,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:22:16,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:22:16,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:22:16,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:22:16,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:22:16,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:22:16,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:22:16,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:22:16,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 01:22:16,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 01:22:16,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 01:22:16,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 01:22:16,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 01:22:16,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 01:22:16,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:22:16,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:22:16,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:22:16,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:22:16,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:22:16,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:22:16,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:22:16,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:22:16,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:22:16,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:22:16,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:22:16,183 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 01:22:16,213 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:22:16,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:22:16,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:22:16,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:22:16,215 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:22:16,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:22:16,217 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:22:16,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:22:16,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:22:16,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:22:16,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:22:16,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:22:16,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:22:16,219 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:22:16,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:22:16,219 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:22:16,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:22:16,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:22:16,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:22:16,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:22:16,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:22:16,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:22:16,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:22:16,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:22:16,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:22:16,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:22:16,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:22:16,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:22:16,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:22:16,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:22:16,269 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:22:16,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:22:16,274 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:22:16,274 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:22:16,275 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0661a.c [2019-09-08 01:22:16,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f61176c44/55d5dbfab61b46d7802b2831d0cc3f61/FLAG0b17933c4 [2019-09-08 01:22:16,783 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:22:16,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0661a.c [2019-09-08 01:22:16,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f61176c44/55d5dbfab61b46d7802b2831d0cc3f61/FLAG0b17933c4 [2019-09-08 01:22:17,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f61176c44/55d5dbfab61b46d7802b2831d0cc3f61 [2019-09-08 01:22:17,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:22:17,165 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:22:17,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:22:17,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:22:17,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:22:17,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:22:17" (1/1) ... [2019-09-08 01:22:17,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6c43f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:17, skipping insertion in model container [2019-09-08 01:22:17,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:22:17" (1/1) ... [2019-09-08 01:22:17,180 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:22:17,205 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:22:17,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:22:17,543 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:22:17,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:22:17,624 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:22:17,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:17 WrapperNode [2019-09-08 01:22:17,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:22:17,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:22:17,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:22:17,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:22:17,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:17" (1/1) ... [2019-09-08 01:22:17,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:17" (1/1) ... [2019-09-08 01:22:17,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:17" (1/1) ... [2019-09-08 01:22:17,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:17" (1/1) ... [2019-09-08 01:22:17,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:17" (1/1) ... [2019-09-08 01:22:17,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:17" (1/1) ... [2019-09-08 01:22:17,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:17" (1/1) ... [2019-09-08 01:22:17,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:22:17,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:22:17,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:22:17,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:22:17,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:17" (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 01:22:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:22:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:22:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2019-09-08 01:22:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2019-09-08 01:22:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2019-09-08 01:22:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:22:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:22:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-08 01:22:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2019-09-08 01:22:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 01:22:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-08 01:22:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 01:22:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 01:22:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 01:22:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-08 01:22:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2019-09-08 01:22:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2019-09-08 01:22:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:22:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:22:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-09-08 01:22:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:22:18,373 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:22:18,373 INFO L283 CfgBuilder]: Removed 14 assume(true) statements. [2019-09-08 01:22:18,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:22:18 BoogieIcfgContainer [2019-09-08 01:22:18,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:22:18,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:22:18,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:22:18,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:22:18,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:22:17" (1/3) ... [2019-09-08 01:22:18,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c49f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:22:18, skipping insertion in model container [2019-09-08 01:22:18,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:22:17" (2/3) ... [2019-09-08 01:22:18,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c49f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:22:18, skipping insertion in model container [2019-09-08 01:22:18,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:22:18" (3/3) ... [2019-09-08 01:22:18,382 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0661a.c [2019-09-08 01:22:18,391 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:22:18,399 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:22:18,416 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:22:18,444 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:22:18,445 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:22:18,445 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:22:18,445 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:22:18,446 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:22:18,446 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:22:18,446 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:22:18,446 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:22:18,446 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:22:18,465 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2019-09-08 01:22:18,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-09-08 01:22:18,472 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:22:18,473 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:22:18,475 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:22:18,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:22:18,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1526168591, now seen corresponding path program 1 times [2019-09-08 01:22:18,482 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:22:18,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:22:18,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:22:18,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:22:18,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:22:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:22:18,664 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 01:22:18,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:22:18,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 01:22:18,671 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 01:22:18,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 01:22:18,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 01:22:18,687 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 2 states. [2019-09-08 01:22:18,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:22:18,744 INFO L93 Difference]: Finished difference Result 193 states and 306 transitions. [2019-09-08 01:22:18,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 01:22:18,746 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-09-08 01:22:18,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:22:18,757 INFO L225 Difference]: With dead ends: 193 [2019-09-08 01:22:18,757 INFO L226 Difference]: Without dead ends: 96 [2019-09-08 01:22:18,762 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 01:22:18,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-09-08 01:22:18,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-09-08 01:22:18,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-09-08 01:22:18,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 135 transitions. [2019-09-08 01:22:18,825 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 135 transitions. Word has length 19 [2019-09-08 01:22:18,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:22:18,825 INFO L475 AbstractCegarLoop]: Abstraction has 96 states and 135 transitions. [2019-09-08 01:22:18,825 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 01:22:18,826 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2019-09-08 01:22:18,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-09-08 01:22:18,827 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:22:18,827 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] [2019-09-08 01:22:18,827 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:22:18,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:22:18,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1732400538, now seen corresponding path program 1 times [2019-09-08 01:22:18,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:22:18,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:22:18,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:22:18,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:22:18,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:22:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:22:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:22:19,088 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:22:19,134 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8589934604 could not be translated for associated CType ARRAY#_4_~FLOAT# [2019-09-08 01:22:19,135 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8589934602 could not be translated for associated CType ARRAY#_11_~FLOAT# [2019-09-08 01:22:19,135 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8589934596 could not be translated for associated CType ARRAY#_4_~FLOAT# [2019-09-08 01:22:19,136 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8589934611 could not be translated for associated CType ARRAY#_11_~FLOAT# [2019-09-08 01:22:19,136 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8589934599 could not be translated for associated CType ARRAY#_4_~FLOAT# [2019-09-08 01:22:19,136 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8589934605 could not be translated for associated CType ARRAY#_4_~FLOAT# [2019-09-08 01:22:19,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:22:19 BoogieIcfgContainer [2019-09-08 01:22:19,159 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:22:19,163 INFO L168 Benchmark]: Toolchain (without parser) took 1996.06 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 88.4 MB in the beginning and 91.2 MB in the end (delta: -2.8 MB). Peak memory consumption was 56.5 MB. Max. memory is 7.1 GB. [2019-09-08 01:22:19,165 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:22:19,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.93 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 88.2 MB in the beginning and 172.8 MB in the end (delta: -84.6 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:22:19,168 INFO L168 Benchmark]: Boogie Preprocessor took 64.61 ms. Allocated memory is still 200.3 MB. Free memory was 172.8 MB in the beginning and 169.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:22:19,169 INFO L168 Benchmark]: RCFGBuilder took 684.82 ms. Allocated memory is still 200.3 MB. Free memory was 169.9 MB in the beginning and 131.3 MB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. [2019-09-08 01:22:19,170 INFO L168 Benchmark]: TraceAbstraction took 783.90 ms. Allocated memory is still 200.3 MB. Free memory was 131.3 MB in the beginning and 91.2 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. [2019-09-08 01:22:19,182 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 458.93 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 88.2 MB in the beginning and 172.8 MB in the end (delta: -84.6 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.61 ms. Allocated memory is still 200.3 MB. Free memory was 172.8 MB in the beginning and 169.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 684.82 ms. Allocated memory is still 200.3 MB. Free memory was 169.9 MB in the beginning and 131.3 MB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 783.90 ms. Allocated memory is still 200.3 MB. Free memory was 131.3 MB in the beginning and 91.2 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 8589934604 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 8589934602 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 8589934611 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 8589934599 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 8589934605 could not be translated for associated CType ARRAY#_4_~FLOAT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 228]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 227, overapproximation of someUnaryDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 133, overapproximation of someUnaryFLOAToperation at line 217, 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)=8589934600, \old(one_atan)=8589934589, \old(pi)=8589934597, \old(pi_lo_atan2)=8589934609, \old(pi_o_2)=8589934590, \old(pi_o_4)=8589934594, \old(tiny_atan2)=8589934603, \old(zero_atan2)=8589934601, aT_atan={-5:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, 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] [L216] float x = __VERIFIER_nondet_float(); [L217] float y = -0.0f; VAL [aT_atan={-5:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=8589934595, zero_atan2=0] [L224] COND TRUE x > 0.0f VAL [aT_atan={-5:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=8589934595, zero_atan2=0] [L225] CALL, EXPR __ieee754_atan2f(y, x) VAL [\old(x)=8589934595, \old(y)=8589934606, aT_atan={-5:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, 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)=8589934595, \old(y)=8589934606, aT_atan={-5:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=8589934595, y=8589934606, 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)=8589934595, \old(y)=8589934606, aT_atan={-5:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, 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=8589934595, y=8589934606, 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)=8589934595, \old(y)=8589934606, aT_atan={-5:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, hx=-4, hy=-6, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=8589934595, y=8589934606, zero_atan2=0] [L134] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L135] return x + y; VAL [\old(x)=8589934595, \old(y)=8589934606, aT_atan={-5:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, hx=-4, hy=-6, 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=8589934595, y=8589934606, zero_atan2=0] [L225] RET, EXPR __ieee754_atan2f(y, x) VAL [__ieee754_atan2f(y, x)=8589934591, aT_atan={-5:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=8589934595, y=8589934606, zero_atan2=0] [L225] float res = __ieee754_atan2f(y, x); [L227] COND TRUE res != -0.0f VAL [aT_atan={-5:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=8589934591, tiny_atan2=1/1000000000000000000000000000000, x=8589934595, y=8589934606, zero_atan2=0] [L228] __VERIFIER_error() VAL [aT_atan={-5:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=8589934591, tiny_atan2=1/1000000000000000000000000000000, x=8589934595, y=8589934606, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 101 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 141 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=101occurred 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, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 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...