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_0281.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:21:47,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:21:47,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:21:47,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-08 01:21:47,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:21:47,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:21:47,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:21:47,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:21:47,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:21:47,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:21:47,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:21:47,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:21:47,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:21:47,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:21:47,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:21:47,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:21:47,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 01:21:47,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:21:47,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:21:47,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:21:47,288 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 01:21:47,314 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:21:47,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:21:47,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:21:47,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:21:47,317 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:21:47,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:21:47,318 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:21:47,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:21:47,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:21:47,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:21:47,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:21:47,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:21:47,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:21:47,320 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:21:47,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:21:47,321 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:21:47,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:21:47,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:21:47,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:21:47,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:21:47,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:21:47,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:21:47,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:21:47,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:21:47,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:21:47,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:21:47,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:21:47,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:21:47,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:21:47,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:21:47,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:21:47,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:21:47,392 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:21:47,392 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:21:47,393 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0281.c [2019-09-08 01:21:47,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d61ae8dc3/b74a31f8a25d493dbceb55a2cc587979/FLAG2d81fd02e [2019-09-08 01:21:47,879 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:21:47,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0281.c [2019-09-08 01:21:47,888 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d61ae8dc3/b74a31f8a25d493dbceb55a2cc587979/FLAG2d81fd02e [2019-09-08 01:21:48,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d61ae8dc3/b74a31f8a25d493dbceb55a2cc587979 [2019-09-08 01:21:48,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:21:48,283 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:21:48,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:21:48,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:21:48,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:21:48,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:21:48" (1/1) ... [2019-09-08 01:21:48,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6ede1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:48, skipping insertion in model container [2019-09-08 01:21:48,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:21:48" (1/1) ... [2019-09-08 01:21:48,299 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:21:48,337 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:21:48,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:21:48,697 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:21:48,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:21:48,776 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:21:48,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:48 WrapperNode [2019-09-08 01:21:48,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:21:48,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:21:48,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:21:48,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:21:48,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:48" (1/1) ... [2019-09-08 01:21:48,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:48" (1/1) ... [2019-09-08 01:21:48,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:48" (1/1) ... [2019-09-08 01:21:48,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:48" (1/1) ... [2019-09-08 01:21:48,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:48" (1/1) ... [2019-09-08 01:21:48,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:48" (1/1) ... [2019-09-08 01:21:48,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:48" (1/1) ... [2019-09-08 01:21:48,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:21:48,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:21:48,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:21:48,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:21:48,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:48" (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 01:21:48,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:21:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:21:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-09-08 01:21:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2019-09-08 01:21:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2019-09-08 01:21:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2019-09-08 01:21:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:21:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:21:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-08 01:21:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-09-08 01:21:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2019-09-08 01:21:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 01:21:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-08 01:21:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 01:21:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 01:21:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 01:21:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-08 01:21:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2019-09-08 01:21:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2019-09-08 01:21:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:21:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:21:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:21:49,508 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:21:49,509 INFO L283 CfgBuilder]: Removed 16 assume(true) statements. [2019-09-08 01:21:49,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:21:49 BoogieIcfgContainer [2019-09-08 01:21:49,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:21:49,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:21:49,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:21:49,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:21:49,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:21:48" (1/3) ... [2019-09-08 01:21:49,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@869f963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:21:49, skipping insertion in model container [2019-09-08 01:21:49,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:48" (2/3) ... [2019-09-08 01:21:49,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@869f963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:21:49, skipping insertion in model container [2019-09-08 01:21:49,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:21:49" (3/3) ... [2019-09-08 01:21:49,522 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281.c [2019-09-08 01:21:49,534 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:21:49,546 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:21:49,563 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:21:49,591 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:21:49,591 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:21:49,592 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:21:49,592 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:21:49,592 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:21:49,592 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:21:49,592 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:21:49,593 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:21:49,593 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:21:49,610 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2019-09-08 01:21:49,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-09-08 01:21:49,617 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:21:49,617 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] [2019-09-08 01:21:49,620 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:21:49,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:21:49,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1961299150, now seen corresponding path program 1 times [2019-09-08 01:21:49,627 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:21:49,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:21:49,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:21:49,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:21:49,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:21:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:21:49,782 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 01:21:49,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:21:49,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 01:21:49,790 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 01:21:49,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 01:21:49,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 01:21:49,807 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2019-09-08 01:21:49,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:21:49,837 INFO L93 Difference]: Finished difference Result 147 states and 218 transitions. [2019-09-08 01:21:49,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 01:21:49,839 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2019-09-08 01:21:49,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:21:49,850 INFO L225 Difference]: With dead ends: 147 [2019-09-08 01:21:49,850 INFO L226 Difference]: Without dead ends: 73 [2019-09-08 01:21:49,854 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 01:21:49,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-09-08 01:21:49,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-09-08 01:21:49,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-09-08 01:21:49,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 90 transitions. [2019-09-08 01:21:49,901 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 90 transitions. Word has length 22 [2019-09-08 01:21:49,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:21:49,902 INFO L475 AbstractCegarLoop]: Abstraction has 73 states and 90 transitions. [2019-09-08 01:21:49,902 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 01:21:49,902 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2019-09-08 01:21:49,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-09-08 01:21:49,903 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:21:49,904 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] [2019-09-08 01:21:49,904 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:21:49,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:21:49,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1590430122, now seen corresponding path program 1 times [2019-09-08 01:21:49,905 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:21:49,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:21:49,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:21:49,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:21:49,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:21:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:21:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:21:50,050 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:21:50,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:21:50 BoogieIcfgContainer [2019-09-08 01:21:50,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:21:50,095 INFO L168 Benchmark]: Toolchain (without parser) took 1811.09 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 90.0 MB in the beginning and 109.8 MB in the end (delta: -19.8 MB). Peak memory consumption was 46.3 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:50,096 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:21:50,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.91 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 89.8 MB in the beginning and 173.3 MB in the end (delta: -83.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:50,098 INFO L168 Benchmark]: Boogie Preprocessor took 60.13 ms. Allocated memory is still 200.3 MB. Free memory was 173.3 MB in the beginning and 170.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:50,099 INFO L168 Benchmark]: RCFGBuilder took 672.79 ms. Allocated memory is still 200.3 MB. Free memory was 170.9 MB in the beginning and 139.1 MB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:50,100 INFO L168 Benchmark]: TraceAbstraction took 580.54 ms. Allocated memory is still 200.3 MB. Free memory was 139.1 MB in the beginning and 109.8 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:50,105 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 492.91 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 89.8 MB in the beginning and 173.3 MB in the end (delta: -83.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.13 ms. Allocated memory is still 200.3 MB. Free memory was 173.3 MB in the beginning and 170.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 672.79 ms. Allocated memory is still 200.3 MB. Free memory was 170.9 MB in the beginning and 139.1 MB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 580.54 ms. Allocated memory is still 200.3 MB. Free memory was 139.1 MB in the beginning and 109.8 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 192]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=4294967317, \old(one_asin)=4294967303, \old(one_sqrt)=4294967301, \old(pio2_hi_asin)=4294967302, \old(pio2_lo_asin)=4294967312, \old(pio4_hi_asin)=4294967304, \old(pS0_asin)=4294967311, \old(pS1_asin)=4294967305, \old(pS2_asin)=4294967298, \old(pS3_asin)=4294967310, \old(pS4_asin)=4294967315, \old(pS5_asin)=4294967306, \old(qS1_asin)=4294967318, \old(qS2_asin)=4294967316, \old(qS3_asin)=4294967296, \old(qS4_asin)=4294967313, \old(tiny_sqrt)=4294967314, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L184] float x = __VERIFIER_nondet_float(); [L186] COND TRUE x < -1.0f || x > 1.0f VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967300] [L188] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=4294967300, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [\old(x)=4294967300, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967300] [L112] ieee_float_shape_type gf_u; [L113] gf_u.value = (x) [L114] EXPR gf_u.word [L114] (hx) = gf_u.word [L116] ix = hx & 0x7fffffff VAL [\old(x)=4294967300, huge_asin=1000000000000000000000000000000, hx=-1, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967300] [L117] COND TRUE ix == 0x3f800000 [L119] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=4294967300, huge_asin=1000000000000000000000000000000, hx=-1, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967300] [L188] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=4294967299, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967300] [L188] float res = __ieee754_asinf(x); [L191] CALL, EXPR isnan_float(res) VAL [\old(x)=4294967299, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L13] return x != x; VAL [\old(x)=4294967299, \result=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967299] [L191] RET, EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, isnan_float(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=4294967299, tiny_sqrt=1/1000000000000000000000000000000, x=4294967300] [L191] COND TRUE !isnan_float(res) [L192] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=4294967299, tiny_sqrt=1/1000000000000000000000000000000, x=4294967300] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 78 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 96 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=78occurred 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, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 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...