java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1051.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:21:02,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:21:02,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:21:02,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-08 01:21:02,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:21:02,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:21:02,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:21:02,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:21:02,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:21:02,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:21:02,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:21:02,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:21:02,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:21:02,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:21:02,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:21:02,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:21:02,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 01:21:02,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:21:02,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:21:02,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:21:02,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:21:02,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:21:02,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:21:02,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:21:02,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:21:02,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:21:02,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:21:02,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:21:02,435 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 01:21:02,457 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:21:02,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:21:02,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:21:02,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:21:02,460 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:21:02,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:21:02,461 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:21:02,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:21:02,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:21:02,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:21:02,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:21:02,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:21:02,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:21:02,464 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:21:02,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:21:02,464 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:21:02,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:21:02,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:21:02,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:21:02,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:21:02,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:21:02,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:21:02,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:21:02,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:21:02,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:21:02,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:21:02,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:21:02,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:21:02,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:21:02,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:21:02,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:21:02,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:21:02,524 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:21:02,525 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:21:02,526 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1051.c [2019-09-08 01:21:02,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0abafe5b3/c3a0da578ca642f9ae571d4637f7f5d7/FLAG9e74acebf [2019-09-08 01:21:03,048 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:21:03,049 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1051.c [2019-09-08 01:21:03,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0abafe5b3/c3a0da578ca642f9ae571d4637f7f5d7/FLAG9e74acebf [2019-09-08 01:21:03,398 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0abafe5b3/c3a0da578ca642f9ae571d4637f7f5d7 [2019-09-08 01:21:03,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:21:03,415 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:21:03,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:21:03,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:21:03,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:21:03,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:21:03" (1/1) ... [2019-09-08 01:21:03,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf8712b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:03, skipping insertion in model container [2019-09-08 01:21:03,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:21:03" (1/1) ... [2019-09-08 01:21:03,430 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:21:03,452 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:21:03,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:21:03,753 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:21:03,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:21:03,961 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:21:03,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:03 WrapperNode [2019-09-08 01:21:03,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:21:03,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:21:03,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:21:03,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:21:03,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:03" (1/1) ... [2019-09-08 01:21:03,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:03" (1/1) ... [2019-09-08 01:21:04,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:03" (1/1) ... [2019-09-08 01:21:04,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:03" (1/1) ... [2019-09-08 01:21:04,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:03" (1/1) ... [2019-09-08 01:21:04,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:03" (1/1) ... [2019-09-08 01:21:04,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:03" (1/1) ... [2019-09-08 01:21:04,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:21:04,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:21:04,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:21:04,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:21:04,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:03" (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 01:21:04,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:21:04,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:21:04,107 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2019-09-08 01:21:04,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2019-09-08 01:21:04,108 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:21:04,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:21:04,108 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2019-09-08 01:21:04,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 01:21:04,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-08 01:21:04,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 01:21:04,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 01:21:04,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 01:21:04,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-08 01:21:04,109 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2019-09-08 01:21:04,109 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:21:04,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:21:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:21:04,459 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:21:04,460 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-08 01:21:04,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:21:04 BoogieIcfgContainer [2019-09-08 01:21:04,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:21:04,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:21:04,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:21:04,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:21:04,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:21:03" (1/3) ... [2019-09-08 01:21:04,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a1886ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:21:04, skipping insertion in model container [2019-09-08 01:21:04,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:03" (2/3) ... [2019-09-08 01:21:04,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a1886ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:21:04, skipping insertion in model container [2019-09-08 01:21:04,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:21:04" (3/3) ... [2019-09-08 01:21:04,471 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1051.c [2019-09-08 01:21:04,482 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:21:04,491 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:21:04,509 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:21:04,542 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:21:04,543 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:21:04,543 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:21:04,543 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:21:04,544 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:21:04,544 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:21:04,544 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:21:04,544 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:21:04,545 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:21:04,566 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2019-09-08 01:21:04,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-09-08 01:21:04,573 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:21:04,574 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 01:21:04,576 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:21:04,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:21:04,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1635654302, now seen corresponding path program 1 times [2019-09-08 01:21:04,583 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:21:04,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:21:04,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:21:04,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:21:04,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:21:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:21:04,723 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 01:21:04,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:21:04,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 01:21:04,730 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 01:21:04,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 01:21:04,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 01:21:04,748 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2019-09-08 01:21:04,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:21:04,777 INFO L93 Difference]: Finished difference Result 86 states and 124 transitions. [2019-09-08 01:21:04,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 01:21:04,779 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2019-09-08 01:21:04,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:21:04,790 INFO L225 Difference]: With dead ends: 86 [2019-09-08 01:21:04,791 INFO L226 Difference]: Without dead ends: 43 [2019-09-08 01:21:04,794 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 01:21:04,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-09-08 01:21:04,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-09-08 01:21:04,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-09-08 01:21:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2019-09-08 01:21:04,838 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 57 transitions. Word has length 23 [2019-09-08 01:21:04,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:21:04,839 INFO L475 AbstractCegarLoop]: Abstraction has 43 states and 57 transitions. [2019-09-08 01:21:04,839 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 01:21:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2019-09-08 01:21:04,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-09-08 01:21:04,841 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:21:04,841 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] [2019-09-08 01:21:04,842 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:21:04,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:21:04,842 INFO L82 PathProgramCache]: Analyzing trace with hash 744784661, now seen corresponding path program 1 times [2019-09-08 01:21:04,842 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:21:04,843 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:21:04,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:21:04,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:21:04,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:21:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:21:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:21:04,962 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:21:04,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:21:04 BoogieIcfgContainer [2019-09-08 01:21:04,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:21:04,998 INFO L168 Benchmark]: Toolchain (without parser) took 1583.95 ms. Allocated memory was 131.1 MB in the beginning and 200.3 MB in the end (delta: 69.2 MB). Free memory was 85.8 MB in the beginning and 126.1 MB in the end (delta: -40.3 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:04,999 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 131.1 MB. Free memory is still 103.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-08 01:21:05,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.64 ms. Allocated memory was 131.1 MB in the beginning and 200.3 MB in the end (delta: 69.2 MB). Free memory was 85.4 MB in the beginning and 176.1 MB in the end (delta: -90.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:05,002 INFO L168 Benchmark]: Boogie Preprocessor took 80.79 ms. Allocated memory is still 200.3 MB. Free memory was 176.1 MB in the beginning and 173.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:05,003 INFO L168 Benchmark]: RCFGBuilder took 416.65 ms. Allocated memory is still 200.3 MB. Free memory was 173.0 MB in the beginning and 151.8 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:05,004 INFO L168 Benchmark]: TraceAbstraction took 532.61 ms. Allocated memory is still 200.3 MB. Free memory was 151.8 MB in the beginning and 126.1 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:05,008 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 131.1 MB. Free memory is still 103.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 546.64 ms. Allocated memory was 131.1 MB in the beginning and 200.3 MB in the end (delta: 69.2 MB). Free memory was 85.4 MB in the beginning and 176.1 MB in the end (delta: -90.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.79 ms. Allocated memory is still 200.3 MB. Free memory was 176.1 MB in the beginning and 173.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 416.65 ms. Allocated memory is still 200.3 MB. Free memory was 173.0 MB in the beginning and 151.8 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 532.61 ms. Allocated memory is still 200.3 MB. Free memory was 151.8 MB in the beginning and 126.1 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 93]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 37, overapproximation of bitwiseOr at line 38, overapproximation of someBinaryArithmeticDOUBLEoperation at line 88, overapproximation of bitwiseAnd at line 25, overapproximation of someBinaryDOUBLEComparisonOperation at line 80. Possible FailurePath: [L14] static const double huge_floor = 1.0e300; VAL [\old(huge_floor)=4294967298, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L88] double x = 0.0 / 0.0; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L89] CALL, EXPR floor_double(x) VAL [\old(x)=4294967302, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L17] __int32_t i0, i1, j0; [L18] __uint32_t i, j; VAL [\old(x)=4294967302, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967302] [L20] ieee_double_shape_type ew_u; [L21] ew_u.value = (x) [L22] EXPR ew_u.parts.msw [L22] (i0) = ew_u.parts.msw [L23] EXPR ew_u.parts.lsw [L23] (i1) = ew_u.parts.lsw [L25] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=4294967302, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=0, i1=-1, x=4294967302] [L26] COND TRUE j0 < 20 VAL [\old(x)=4294967302, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=0, i1=-1, j0=0, x=4294967302] [L27] COND FALSE !(j0 < 0) [L37] i = (0x000fffff) >> j0 VAL [\old(x)=4294967302, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=0, i1=-1, j0=0, x=4294967302] [L38] COND TRUE ((i0 & i) | i1) == 0 [L39] return x; VAL [\old(x)=4294967302, \result=4294967302, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=0, i1=-1, j0=0, x=4294967302] [L89] RET, EXPR floor_double(x) VAL [floor_double(x)=4294967302, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967302] [L89] double res = floor_double(x); [L92] CALL, EXPR isnan_double(res) VAL [\old(x)=4294967302, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L80] return x != x; VAL [\old(x)=4294967302, \result=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967302] [L92] RET, EXPR isnan_double(res) VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isnan_double(res)=0, res=4294967302, x=4294967302] [L92] COND TRUE !isnan_double(res) [L93] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=4294967302, x=4294967302] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 47 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 61 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 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...