java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1051_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 16:34:33,521 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 16:34:33,523 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 16:34:33,535 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 16:34:33,535 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 16:34:33,536 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 16:34:33,538 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 16:34:33,539 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 16:34:33,541 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 16:34:33,542 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 16:34:33,543 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 16:34:33,543 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 16:34:33,544 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 16:34:33,545 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 16:34:33,546 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 16:34:33,547 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 16:34:33,548 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 16:34:33,550 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 16:34:33,552 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 16:34:33,554 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 16:34:33,555 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 16:34:33,556 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 16:34:33,559 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 16:34:33,559 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 16:34:33,559 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 16:34:33,560 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 16:34:33,561 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 16:34:33,562 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 16:34:33,563 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 16:34:33,564 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 16:34:33,565 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 16:34:33,566 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 16:34:33,566 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 16:34:33,566 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 16:34:33,567 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 16:34:33,568 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 16:34:33,568 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-19 16:34:33,589 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 16:34:33,589 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 16:34:33,592 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 16:34:33,593 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 16:34:33,594 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 16:34:33,594 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 16:34:33,594 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 16:34:33,594 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 16:34:33,595 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 16:34:33,595 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 16:34:33,595 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 16:34:33,595 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 16:34:33,595 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 16:34:33,596 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 16:34:33,596 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 16:34:33,596 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 16:34:33,596 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 16:34:33,597 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 16:34:33,598 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 16:34:33,598 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 16:34:33,598 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 16:34:33,598 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 16:34:33,599 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 16:34:33,599 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 16:34:33,599 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 16:34:33,599 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 16:34:33,600 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 16:34:33,600 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 16:34:33,600 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 16:34:33,600 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 16:34:33,600 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 16:34:33,601 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 16:34:33,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 16:34:33,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 16:34:33,696 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 16:34:33,698 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 16:34:33,699 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 16:34:33,699 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1051_true-unreach-call.c [2018-09-19 16:34:34,073 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c1aaa953/74b9ce0346d34f4584de89d779a86bde/FLAGf86c4f8ec [2018-09-19 16:34:34,255 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 16:34:34,256 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1051_true-unreach-call.c [2018-09-19 16:34:34,263 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c1aaa953/74b9ce0346d34f4584de89d779a86bde/FLAGf86c4f8ec [2018-09-19 16:34:34,280 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c1aaa953/74b9ce0346d34f4584de89d779a86bde [2018-09-19 16:34:34,291 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 16:34:34,295 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 16:34:34,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 16:34:34,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 16:34:34,307 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 16:34:34,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:34:34" (1/1) ... [2018-09-19 16:34:34,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69bb34dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:34:34, skipping insertion in model container [2018-09-19 16:34:34,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:34:34" (1/1) ... [2018-09-19 16:34:34,324 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 16:34:34,599 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:34:34,624 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 16:34:34,659 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:34:34,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:34:34 WrapperNode [2018-09-19 16:34:34,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 16:34:34,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 16:34:34,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 16:34:34,718 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 16:34:34,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:34:34" (1/1) ... [2018-09-19 16:34:34,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:34:34" (1/1) ... [2018-09-19 16:34:34,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:34:34" (1/1) ... [2018-09-19 16:34:34,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:34:34" (1/1) ... [2018-09-19 16:34:34,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:34:34" (1/1) ... [2018-09-19 16:34:34,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:34:34" (1/1) ... [2018-09-19 16:34:34,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:34:34" (1/1) ... [2018-09-19 16:34:34,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 16:34:34,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 16:34:34,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 16:34:34,803 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 16:34:34,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:34:34" (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 [2018-09-19 16:34:34,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 16:34:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 16:34:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-09-19 16:34:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-19 16:34:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 16:34:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 16:34:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-19 16:34:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-09-19 16:34:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 16:34:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-19 16:34:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 16:34:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 16:34:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 16:34:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-19 16:34:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-19 16:34:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 16:34:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 16:34:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 16:34:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-19 16:34:34,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 16:34:35,560 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:34:35,599 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:34:36,080 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 16:34:36,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:34:36 BoogieIcfgContainer [2018-09-19 16:34:36,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 16:34:36,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 16:34:36,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 16:34:36,086 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 16:34:36,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 04:34:34" (1/3) ... [2018-09-19 16:34:36,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492b2995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:34:36, skipping insertion in model container [2018-09-19 16:34:36,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:34:34" (2/3) ... [2018-09-19 16:34:36,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492b2995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:34:36, skipping insertion in model container [2018-09-19 16:34:36,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:34:36" (3/3) ... [2018-09-19 16:34:36,090 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1051_true-unreach-call.c [2018-09-19 16:34:36,101 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 16:34:36,110 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 16:34:36,163 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 16:34:36,164 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 16:34:36,164 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 16:34:36,164 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 16:34:36,164 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 16:34:36,165 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 16:34:36,165 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 16:34:36,165 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 16:34:36,165 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 16:34:36,185 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-09-19 16:34:36,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-19 16:34:36,193 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:34:36,194 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 16:34:36,197 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:34:36,203 INFO L82 PathProgramCache]: Analyzing trace with hash -418331411, now seen corresponding path program 1 times [2018-09-19 16:34:36,208 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:34:36,209 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-19 16:34:36,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-19 16:34:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:34:36,307 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:34:36,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 16:34:36,331 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:34:36,347 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:34:36,348 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 16:34:36,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 16:34:36,367 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 16:34:36,368 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:34:36,370 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-09-19 16:34:36,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:34:36,394 INFO L93 Difference]: Finished difference Result 100 states and 126 transitions. [2018-09-19 16:34:36,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 16:34:36,396 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-09-19 16:34:36,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:34:36,406 INFO L225 Difference]: With dead ends: 100 [2018-09-19 16:34:36,407 INFO L226 Difference]: Without dead ends: 50 [2018-09-19 16:34:36,411 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:34:36,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-09-19 16:34:36,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-09-19 16:34:36,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-09-19 16:34:36,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2018-09-19 16:34:36,458 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 21 [2018-09-19 16:34:36,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:34:36,458 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2018-09-19 16:34:36,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 16:34:36,459 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2018-09-19 16:34:36,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-19 16:34:36,460 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:34:36,460 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 16:34:36,461 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:34:36,461 INFO L82 PathProgramCache]: Analyzing trace with hash -960897078, now seen corresponding path program 1 times [2018-09-19 16:34:36,462 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:34:36,462 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-19 16:34:36,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-19 16:34:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:34:36,566 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:34:37,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 16:34:37,434 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:34:37,447 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:34:37,448 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:34:37,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:34:37,450 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:34:37,450 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:34:37,451 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand 9 states. [2018-09-19 16:34:38,096 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-19 16:34:39,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:34:39,819 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2018-09-19 16:34:39,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-19 16:34:39,820 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-09-19 16:34:39,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:34:39,824 INFO L225 Difference]: With dead ends: 59 [2018-09-19 16:34:39,824 INFO L226 Difference]: Without dead ends: 52 [2018-09-19 16:34:39,825 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-19 16:34:39,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-09-19 16:34:39,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2018-09-19 16:34:39,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-09-19 16:34:39,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2018-09-19 16:34:39,840 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 30 [2018-09-19 16:34:39,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:34:39,842 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2018-09-19 16:34:39,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:34:39,843 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2018-09-19 16:34:39,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-19 16:34:39,844 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:34:39,844 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 16:34:39,845 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:34:39,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1157410583, now seen corresponding path program 1 times [2018-09-19 16:34:39,848 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:34:39,848 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-19 16:34:39,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:34:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:34:39,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:34:40,225 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-19 16:34:40,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 16:34:40,436 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:34:40,449 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:34:40,449 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:34:40,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:34:40,450 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:34:40,451 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:34:40,451 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand 9 states. [2018-09-19 16:34:41,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:34:41,447 INFO L93 Difference]: Finished difference Result 57 states and 64 transitions. [2018-09-19 16:34:41,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-19 16:34:41,448 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-09-19 16:34:41,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:34:41,450 INFO L225 Difference]: With dead ends: 57 [2018-09-19 16:34:41,450 INFO L226 Difference]: Without dead ends: 49 [2018-09-19 16:34:41,451 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-19 16:34:41,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-09-19 16:34:41,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-09-19 16:34:41,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-09-19 16:34:41,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2018-09-19 16:34:41,459 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 30 [2018-09-19 16:34:41,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:34:41,460 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2018-09-19 16:34:41,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:34:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-09-19 16:34:41,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-19 16:34:41,461 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:34:41,462 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 16:34:41,462 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:34:41,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1200312195, now seen corresponding path program 1 times [2018-09-19 16:34:41,463 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:34:41,463 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-19 16:34:41,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:34:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:34:41,546 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:34:41,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-19 16:34:41,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-19 16:34:41,613 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:34:41,619 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:34:41,632 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:34:41,632 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:34:41,663 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-19 16:34:41,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-19 16:34:41,668 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:34:41,672 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:34:41,679 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:34:41,679 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:34:41,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 16:34:41,897 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:34:41,912 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:34:41,912 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:34:41,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:34:41,913 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:34:41,913 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:34:41,914 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand 9 states. [2018-09-19 16:34:43,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:34:43,641 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2018-09-19 16:34:43,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 16:34:43,642 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2018-09-19 16:34:43,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:34:43,643 INFO L225 Difference]: With dead ends: 63 [2018-09-19 16:34:43,643 INFO L226 Difference]: Without dead ends: 0 [2018-09-19 16:34:43,644 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2018-09-19 16:34:43,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-19 16:34:43,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-19 16:34:43,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-19 16:34:43,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-19 16:34:43,645 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2018-09-19 16:34:43,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:34:43,645 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-19 16:34:43,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:34:43,646 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-19 16:34:43,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-19 16:34:43,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-19 16:34:43,818 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2018-09-19 16:34:43,832 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 58) no Hoare annotation was computed. [2018-09-19 16:34:43,832 INFO L429 ceAbstractionStarter]: At program point isnan_floatENTRY(line 58) the Hoare annotation is: true [2018-09-19 16:34:43,832 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 58) no Hoare annotation was computed. [2018-09-19 16:34:43,832 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:34:43,832 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:34:43,833 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:34:43,833 INFO L426 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2018-09-19 16:34:43,833 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-19 16:34:43,833 INFO L426 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-09-19 16:34:43,833 INFO L426 ceAbstractionStarter]: For program point L52-1(line 52) no Hoare annotation was computed. [2018-09-19 16:34:43,833 INFO L426 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-09-19 16:34:43,833 INFO L426 ceAbstractionStarter]: For program point L44(lines 44 47) no Hoare annotation was computed. [2018-09-19 16:34:43,834 INFO L426 ceAbstractionStarter]: For program point L24(lines 24 48) no Hoare annotation was computed. [2018-09-19 16:34:43,834 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-19 16:34:43,834 INFO L426 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-09-19 16:34:43,834 INFO L426 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-09-19 16:34:43,834 INFO L426 ceAbstractionStarter]: For program point L49(lines 49 53) no Hoare annotation was computed. [2018-09-19 16:34:43,834 INFO L426 ceAbstractionStarter]: For program point L49-2(lines 14 55) no Hoare annotation was computed. [2018-09-19 16:34:43,835 INFO L426 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-09-19 16:34:43,835 INFO L426 ceAbstractionStarter]: For program point L37(lines 37 41) no Hoare annotation was computed. [2018-09-19 16:34:43,835 INFO L426 ceAbstractionStarter]: For program point L29(lines 29 31) no Hoare annotation was computed. [2018-09-19 16:34:43,835 INFO L426 ceAbstractionStarter]: For program point floor_floatEXIT(lines 14 55) no Hoare annotation was computed. [2018-09-19 16:34:43,835 INFO L426 ceAbstractionStarter]: For program point L25(lines 25 42) no Hoare annotation was computed. [2018-09-19 16:34:43,835 INFO L426 ceAbstractionStarter]: For program point L50(line 50) no Hoare annotation was computed. [2018-09-19 16:34:43,835 INFO L426 ceAbstractionStarter]: For program point L50-1(line 50) no Hoare annotation was computed. [2018-09-19 16:34:43,835 INFO L426 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-09-19 16:34:43,836 INFO L426 ceAbstractionStarter]: For program point L50-2(line 50) no Hoare annotation was computed. [2018-09-19 16:34:43,836 INFO L426 ceAbstractionStarter]: For program point L50-3(line 50) no Hoare annotation was computed. [2018-09-19 16:34:43,836 INFO L422 ceAbstractionStarter]: At program point L17-3(lines 17 21) the Hoare annotation is: (= |floor_float_#in~x| floor_float_~x) [2018-09-19 16:34:43,836 INFO L426 ceAbstractionStarter]: For program point L17-4(lines 17 21) no Hoare annotation was computed. [2018-09-19 16:34:43,836 INFO L426 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-09-19 16:34:43,836 INFO L426 ceAbstractionStarter]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2018-09-19 16:34:43,836 INFO L426 ceAbstractionStarter]: For program point floor_floatFINAL(lines 14 55) no Hoare annotation was computed. [2018-09-19 16:34:43,836 INFO L426 ceAbstractionStarter]: For program point L26(lines 26 32) no Hoare annotation was computed. [2018-09-19 16:34:43,836 INFO L429 ceAbstractionStarter]: At program point floor_floatENTRY(lines 14 55) the Hoare annotation is: true [2018-09-19 16:34:43,837 INFO L426 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-09-19 16:34:43,837 INFO L426 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-09-19 16:34:43,837 INFO L426 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-09-19 16:34:43,837 INFO L426 ceAbstractionStarter]: For program point L18-2(line 18) no Hoare annotation was computed. [2018-09-19 16:34:43,837 INFO L426 ceAbstractionStarter]: For program point L18-3(line 18) no Hoare annotation was computed. [2018-09-19 16:34:43,837 INFO L426 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-09-19 16:34:43,838 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:34:43,838 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-19 16:34:43,838 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:34:43,838 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:34:43,838 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 71) no Hoare annotation was computed. [2018-09-19 16:34:43,838 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 60 76) the Hoare annotation is: true [2018-09-19 16:34:43,838 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 60 76) no Hoare annotation was computed. [2018-09-19 16:34:43,839 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 60 76) no Hoare annotation was computed. [2018-09-19 16:34:43,839 INFO L426 ceAbstractionStarter]: For program point L71(line 71) no Hoare annotation was computed. [2018-09-19 16:34:43,839 INFO L422 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse0 (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)))) (and (= main_~res~0 (fp.add RNE .cse0 .cse0)) (= .cse0 main_~x~0))) [2018-09-19 16:34:43,839 INFO L426 ceAbstractionStarter]: For program point L70-1(lines 70 73) no Hoare annotation was computed. [2018-09-19 16:34:43,839 INFO L422 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) [2018-09-19 16:34:43,839 INFO L426 ceAbstractionStarter]: For program point L67-1(line 67) no Hoare annotation was computed. [2018-09-19 16:34:43,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 04:34:43 BoogieIcfgContainer [2018-09-19 16:34:43,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 16:34:43,853 INFO L168 Benchmark]: Toolchain (without parser) took 9561.22 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 728.2 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -568.9 MB). Peak memory consumption was 159.4 MB. Max. memory is 7.1 GB. [2018-09-19 16:34:43,855 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 16:34:43,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 16:34:43,856 INFO L168 Benchmark]: Boogie Preprocessor took 85.88 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 16:34:43,857 INFO L168 Benchmark]: RCFGBuilder took 1278.49 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 728.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -761.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2018-09-19 16:34:43,858 INFO L168 Benchmark]: TraceAbstraction took 7769.83 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 181.6 MB). Peak memory consumption was 181.6 MB. Max. memory is 7.1 GB. [2018-09-19 16:34:43,862 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 416.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.88 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1278.49 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 728.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -761.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7769.83 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 181.6 MB). Peak memory consumption was 181.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 71]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 54 locations, 1 error locations. SAFE Result, 7.6s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 5.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 184 SDtfs, 155 SDslu, 707 SDs, 0 SdLazy, 275 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 34 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 119 ConstructedInterpolants, 16 QuantifiedInterpolants, 25014 SizeOfPredicates, 17 NumberOfNonLiveVariables, 264 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...