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_0470_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 16:22:35,288 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 16:22:35,290 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 16:22:35,303 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 16:22:35,304 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 16:22:35,305 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 16:22:35,306 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 16:22:35,308 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 16:22:35,309 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 16:22:35,310 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 16:22:35,311 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 16:22:35,311 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 16:22:35,312 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 16:22:35,314 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 16:22:35,315 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 16:22:35,316 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 16:22:35,321 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 16:22:35,324 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 16:22:35,326 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 16:22:35,327 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 16:22:35,329 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 16:22:35,330 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 16:22:35,337 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 16:22:35,337 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 16:22:35,337 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 16:22:35,338 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 16:22:35,339 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 16:22:35,340 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 16:22:35,340 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 16:22:35,341 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 16:22:35,341 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 16:22:35,342 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 16:22:35,342 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 16:22:35,343 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 16:22:35,347 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 16:22:35,348 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 16:22:35,349 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 16:22:35,371 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 16:22:35,371 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 16:22:35,372 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 16:22:35,372 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 16:22:35,373 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 16:22:35,373 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 16:22:35,373 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 16:22:35,374 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 16:22:35,374 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 16:22:35,374 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 16:22:35,374 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 16:22:35,374 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 16:22:35,375 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 16:22:35,375 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 16:22:35,375 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 16:22:35,376 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 16:22:35,376 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 16:22:35,376 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 16:22:35,376 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 16:22:35,376 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 16:22:35,376 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 16:22:35,377 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 16:22:35,377 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 16:22:35,377 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 16:22:35,377 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 16:22:35,379 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 16:22:35,379 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 16:22:35,379 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 16:22:35,379 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 16:22:35,379 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 16:22:35,380 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 16:22:35,380 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 16:22:35,455 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 16:22:35,472 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 16:22:35,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 16:22:35,477 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 16:22:35,478 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 16:22:35,479 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0470_true-unreach-call.c [2018-09-19 16:22:35,812 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22fdc4ca1/6903b201301d44aa81df4fc6331eece1/FLAGbcda03576 [2018-09-19 16:22:36,011 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 16:22:36,012 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0470_true-unreach-call.c [2018-09-19 16:22:36,020 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22fdc4ca1/6903b201301d44aa81df4fc6331eece1/FLAGbcda03576 [2018-09-19 16:22:36,036 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22fdc4ca1/6903b201301d44aa81df4fc6331eece1 [2018-09-19 16:22:36,046 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 16:22:36,050 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 16:22:36,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 16:22:36,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 16:22:36,058 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 16:22:36,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:22:36" (1/1) ... [2018-09-19 16:22:36,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29826fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:36, skipping insertion in model container [2018-09-19 16:22:36,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:22:36" (1/1) ... [2018-09-19 16:22:36,075 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 16:22:36,377 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:22:36,408 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 16:22:36,450 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:22:36,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:36 WrapperNode [2018-09-19 16:22:36,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 16:22:36,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 16:22:36,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 16:22:36,508 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 16:22:36,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:36" (1/1) ... [2018-09-19 16:22:36,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:36" (1/1) ... [2018-09-19 16:22:36,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:36" (1/1) ... [2018-09-19 16:22:36,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:36" (1/1) ... [2018-09-19 16:22:36,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:36" (1/1) ... [2018-09-19 16:22:36,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:36" (1/1) ... [2018-09-19 16:22:36,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:36" (1/1) ... [2018-09-19 16:22:36,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 16:22:36,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 16:22:36,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 16:22:36,590 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 16:22:36,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:36" (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 16:22:36,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 16:22:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 16:22:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-19 16:22:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-19 16:22:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acosf [2018-09-19 16:22:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 16:22:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 16:22:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-19 16:22:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-19 16:22:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-19 16:22:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 16:22:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-19 16:22:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 16:22:36,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 16:22:36,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 16:22:36,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-19 16:22:36,744 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acosf [2018-09-19 16:22:36,744 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 16:22:36,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 16:22:36,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 16:22:36,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 16:22:36,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-19 16:22:37,024 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:37,071 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:44,147 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:44,157 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:47,730 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:47,741 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:47,750 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 16:22:47,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:22:47 BoogieIcfgContainer [2018-09-19 16:22:47,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 16:22:47,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 16:22:47,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 16:22:47,755 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 16:22:47,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 04:22:36" (1/3) ... [2018-09-19 16:22:47,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256b0690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:22:47, skipping insertion in model container [2018-09-19 16:22:47,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:36" (2/3) ... [2018-09-19 16:22:47,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256b0690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:22:47, skipping insertion in model container [2018-09-19 16:22:47,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:22:47" (3/3) ... [2018-09-19 16:22:47,760 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0470_true-unreach-call.c [2018-09-19 16:22:47,771 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 16:22:47,781 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 16:22:47,826 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 16:22:47,827 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 16:22:47,827 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 16:22:47,827 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 16:22:47,827 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 16:22:47,827 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 16:22:47,827 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 16:22:47,828 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 16:22:47,828 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 16:22:47,847 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2018-09-19 16:22:47,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-19 16:22:47,855 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:22:47,856 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 16:22:47,859 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:22:47,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1249525969, now seen corresponding path program 1 times [2018-09-19 16:22:47,870 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:22:47,870 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) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-19 16:22:47,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:22:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:22:47,984 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:22:48,004 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 16:22:48,004 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:22:48,018 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:22:48,018 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 16:22:48,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 16:22:48,036 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 16:22:48,037 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:22:48,039 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2018-09-19 16:22:48,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:22:48,076 INFO L93 Difference]: Finished difference Result 208 states and 270 transitions. [2018-09-19 16:22:48,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 16:22:48,078 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-09-19 16:22:48,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:22:48,093 INFO L225 Difference]: With dead ends: 208 [2018-09-19 16:22:48,093 INFO L226 Difference]: Without dead ends: 104 [2018-09-19 16:22:48,099 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 16:22:48,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-09-19 16:22:48,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-09-19 16:22:48,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-09-19 16:22:48,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2018-09-19 16:22:48,159 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 21 [2018-09-19 16:22:48,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:22:48,160 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2018-09-19 16:22:48,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 16:22:48,160 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2018-09-19 16:22:48,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-19 16:22:48,162 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:22:48,162 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 16:22:48,162 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:22:48,163 INFO L82 PathProgramCache]: Analyzing trace with hash -569388593, now seen corresponding path program 1 times [2018-09-19 16:22:48,164 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:22:48,164 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 16:22:48,175 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 16:22:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:22:48,305 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:22:48,421 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 16:22:48,428 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 16:22:48,429 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:22:48,434 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:22:48,479 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 16:22:48,480 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:22:48,519 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 16:22:48,526 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 16:22:48,527 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:22:48,547 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:22:48,550 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 16:22:48,551 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:22:48,788 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 16:22:48,789 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:22:48,799 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:22:48,800 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:22:48,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:22:48,802 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:22:48,803 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:22:48,803 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 9 states. [2018-09-19 16:22:49,512 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-19 16:22:56,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:22:56,886 INFO L93 Difference]: Finished difference Result 116 states and 132 transitions. [2018-09-19 16:22:56,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-19 16:22:56,888 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-09-19 16:22:56,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:22:56,892 INFO L225 Difference]: With dead ends: 116 [2018-09-19 16:22:56,892 INFO L226 Difference]: Without dead ends: 105 [2018-09-19 16:22:56,894 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-19 16:22:56,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-09-19 16:22:56,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2018-09-19 16:22:56,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-09-19 16:22:56,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2018-09-19 16:22:56,909 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 30 [2018-09-19 16:22:56,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:22:56,909 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2018-09-19 16:22:56,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:22:56,910 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2018-09-19 16:22:56,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-19 16:22:56,911 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:22:56,911 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 16:22:56,911 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:22:56,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1946778321, now seen corresponding path program 1 times [2018-09-19 16:22:56,913 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:22:56,913 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 16:22:56,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:22:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:22:57,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:23:00,499 WARN L178 SmtUtils]: Spent 881.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-09-19 16:23:03,616 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 16:23:03,616 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:23:03,632 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:23:03,633 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:23:03,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:23:03,634 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:23:03,634 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:23:03,634 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 9 states. [2018-09-19 16:23:09,125 WARN L178 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 9 [2018-09-19 16:23:24,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:23:24,878 INFO L93 Difference]: Finished difference Result 112 states and 127 transitions. [2018-09-19 16:23:24,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-19 16:23:24,879 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-09-19 16:23:24,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:23:24,882 INFO L225 Difference]: With dead ends: 112 [2018-09-19 16:23:24,883 INFO L226 Difference]: Without dead ends: 105 [2018-09-19 16:23:24,883 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-19 16:23:24,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-09-19 16:23:24,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2018-09-19 16:23:24,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-09-19 16:23:24,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 117 transitions. [2018-09-19 16:23:24,899 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 117 transitions. Word has length 30 [2018-09-19 16:23:24,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:23:24,899 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 117 transitions. [2018-09-19 16:23:24,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:23:24,899 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2018-09-19 16:23:24,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-19 16:23:24,901 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:23:24,901 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] [2018-09-19 16:23:24,901 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:23:24,901 INFO L82 PathProgramCache]: Analyzing trace with hash 182324299, now seen corresponding path program 1 times [2018-09-19 16:23:24,902 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:23:24,902 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 16:23:24,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:23:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:23:25,008 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:23:25,043 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 16:23:25,048 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 16:23:25,049 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:25,054 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:25,069 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 16:23:25,070 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:23:25,119 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 16:23:25,123 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 16:23:25,123 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:25,143 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:25,146 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 16:23:25,147 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:23:25,305 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 16:23:25,305 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:23:25,316 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:23:25,317 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:23:25,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:23:25,317 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:23:25,318 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:23:25,318 INFO L87 Difference]: Start difference. First operand 103 states and 117 transitions. Second operand 9 states. [2018-09-19 16:23:31,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:23:31,954 INFO L93 Difference]: Finished difference Result 113 states and 126 transitions. [2018-09-19 16:23:31,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-19 16:23:31,955 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-09-19 16:23:31,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:23:31,957 INFO L225 Difference]: With dead ends: 113 [2018-09-19 16:23:31,957 INFO L226 Difference]: Without dead ends: 80 [2018-09-19 16:23:31,958 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-19 16:23:31,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-09-19 16:23:31,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-09-19 16:23:31,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-09-19 16:23:31,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 91 transitions. [2018-09-19 16:23:31,968 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 91 transitions. Word has length 32 [2018-09-19 16:23:31,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:23:31,968 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 91 transitions. [2018-09-19 16:23:31,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:23:31,969 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2018-09-19 16:23:31,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-19 16:23:31,970 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:23:31,970 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] [2018-09-19 16:23:31,970 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:23:31,971 INFO L82 PathProgramCache]: Analyzing trace with hash -14189206, now seen corresponding path program 1 times [2018-09-19 16:23:31,971 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:23:31,971 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-19 16:23:31,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:23:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:23:33,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:23:33,243 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 16:23:33,248 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 16:23:33,249 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:33,253 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:33,265 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 16:23:33,266 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:23:33,286 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 16:23:33,290 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 16:23:33,291 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:33,294 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:33,298 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 16:23:33,299 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:23:33,439 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 16:23:33,439 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:23:33,467 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:23:33,468 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:23:33,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:23:33,469 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:23:33,469 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:23:33,469 INFO L87 Difference]: Start difference. First operand 80 states and 91 transitions. Second operand 9 states. [2018-09-19 16:23:39,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:23:39,240 INFO L93 Difference]: Finished difference Result 90 states and 100 transitions. [2018-09-19 16:23:39,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-19 16:23:39,241 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-09-19 16:23:39,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:23:39,243 INFO L225 Difference]: With dead ends: 90 [2018-09-19 16:23:39,243 INFO L226 Difference]: Without dead ends: 79 [2018-09-19 16:23:39,244 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-19 16:23:39,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-09-19 16:23:39,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-09-19 16:23:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-09-19 16:23:39,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 89 transitions. [2018-09-19 16:23:39,250 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 89 transitions. Word has length 32 [2018-09-19 16:23:39,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:23:39,251 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 89 transitions. [2018-09-19 16:23:39,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:23:39,251 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2018-09-19 16:23:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-19 16:23:39,253 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:23:39,253 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, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 16:23:39,253 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:23:39,254 INFO L82 PathProgramCache]: Analyzing trace with hash -231609589, now seen corresponding path program 1 times [2018-09-19 16:23:39,254 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:23:39,254 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-19 16:23:39,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:23:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:23:40,658 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:23:40,728 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 16:23:40,733 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 16:23:40,733 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:40,738 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:40,750 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 16:23:40,750 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:23:40,787 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 16:23:40,791 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 16:23:40,792 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:40,796 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:40,799 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 16:23:40,800 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:23:40,966 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 16:23:40,966 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:23:41,005 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:23:41,005 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:23:41,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:23:41,006 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:23:41,006 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:23:41,007 INFO L87 Difference]: Start difference. First operand 79 states and 89 transitions. Second operand 9 states. [2018-09-19 16:23:44,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:23:44,226 INFO L93 Difference]: Finished difference Result 79 states and 89 transitions. [2018-09-19 16:23:44,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-19 16:23:44,227 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2018-09-19 16:23:44,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:23:44,228 INFO L225 Difference]: With dead ends: 79 [2018-09-19 16:23:44,228 INFO L226 Difference]: Without dead ends: 0 [2018-09-19 16:23:44,230 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-19 16:23:44,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-19 16:23:44,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-19 16:23:44,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-19 16:23:44,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-19 16:23:44,231 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-09-19 16:23:44,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:23:44,231 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-19 16:23:44,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:23:44,232 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-19 16:23:44,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-19 16:23:44,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-19 16:23:44,535 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-09-19 16:23:44,535 INFO L429 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-09-19 16:23:44,535 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-09-19 16:23:44,536 INFO L426 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-09-19 16:23:44,536 INFO L426 ceAbstractionStarter]: For program point L130-1(line 130) no Hoare annotation was computed. [2018-09-19 16:23:44,536 INFO L426 ceAbstractionStarter]: For program point L97-1(line 97) no Hoare annotation was computed. [2018-09-19 16:23:44,536 INFO L426 ceAbstractionStarter]: For program point L97-2(line 97) no Hoare annotation was computed. [2018-09-19 16:23:44,536 INFO L426 ceAbstractionStarter]: For program point L97-3(line 97) no Hoare annotation was computed. [2018-09-19 16:23:44,536 INFO L426 ceAbstractionStarter]: For program point L122(lines 122 159) no Hoare annotation was computed. [2018-09-19 16:23:44,537 INFO L426 ceAbstractionStarter]: For program point __ieee754_acosfFINAL(lines 93 160) no Hoare annotation was computed. [2018-09-19 16:23:44,537 INFO L426 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-09-19 16:23:44,537 INFO L426 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-09-19 16:23:44,537 INFO L426 ceAbstractionStarter]: For program point L147-2(line 147) no Hoare annotation was computed. [2018-09-19 16:23:44,537 INFO L426 ceAbstractionStarter]: For program point L110(lines 110 159) no Hoare annotation was computed. [2018-09-19 16:23:44,537 INFO L426 ceAbstractionStarter]: For program point L139-1(lines 139 143) no Hoare annotation was computed. [2018-09-19 16:23:44,538 INFO L422 ceAbstractionStarter]: At program point L139-3(lines 139 143) the Hoare annotation is: (and (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) __ieee754_acosf_~ix~1) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (not (bvsgt (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32)))))) [2018-09-19 16:23:44,538 INFO L426 ceAbstractionStarter]: For program point L102(lines 102 109) no Hoare annotation was computed. [2018-09-19 16:23:44,538 INFO L429 ceAbstractionStarter]: At program point __ieee754_acosfENTRY(lines 93 160) the Hoare annotation is: true [2018-09-19 16:23:44,538 INFO L426 ceAbstractionStarter]: For program point L98(line 98) no Hoare annotation was computed. [2018-09-19 16:23:44,538 INFO L426 ceAbstractionStarter]: For program point L144(lines 144 148) no Hoare annotation was computed. [2018-09-19 16:23:44,539 INFO L426 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2018-09-19 16:23:44,539 INFO L426 ceAbstractionStarter]: For program point L144-2(lines 134 159) no Hoare annotation was computed. [2018-09-19 16:23:44,539 INFO L426 ceAbstractionStarter]: For program point L144-3(lines 144 148) no Hoare annotation was computed. [2018-09-19 16:23:44,539 INFO L426 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-09-19 16:23:44,539 INFO L426 ceAbstractionStarter]: For program point L107(lines 107 109) no Hoare annotation was computed. [2018-09-19 16:23:44,539 INFO L426 ceAbstractionStarter]: For program point L140-1(line 140) no Hoare annotation was computed. [2018-09-19 16:23:44,540 INFO L426 ceAbstractionStarter]: For program point L140-2(line 140) no Hoare annotation was computed. [2018-09-19 16:23:44,540 INFO L426 ceAbstractionStarter]: For program point L140-3(line 140) no Hoare annotation was computed. [2018-09-19 16:23:44,540 INFO L426 ceAbstractionStarter]: For program point L103(lines 103 106) no Hoare annotation was computed. [2018-09-19 16:23:44,540 INFO L426 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-09-19 16:23:44,540 INFO L426 ceAbstractionStarter]: For program point L99-1(line 99) no Hoare annotation was computed. [2018-09-19 16:23:44,540 INFO L426 ceAbstractionStarter]: For program point L99-2(line 99) no Hoare annotation was computed. [2018-09-19 16:23:44,540 INFO L426 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-09-19 16:23:44,541 INFO L426 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2018-09-19 16:23:44,541 INFO L426 ceAbstractionStarter]: For program point __ieee754_acosfEXIT(lines 93 160) no Hoare annotation was computed. [2018-09-19 16:23:44,541 INFO L426 ceAbstractionStarter]: For program point L145-2(line 145) no Hoare annotation was computed. [2018-09-19 16:23:44,541 INFO L426 ceAbstractionStarter]: For program point L145-3(line 145) no Hoare annotation was computed. [2018-09-19 16:23:44,541 INFO L426 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-09-19 16:23:44,542 INFO L422 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (and (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) __ieee754_acosf_~ix~1) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (not (bvsgt (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32)))))) [2018-09-19 16:23:44,542 INFO L426 ceAbstractionStarter]: For program point L137-1(line 137) no Hoare annotation was computed. [2018-09-19 16:23:44,542 INFO L426 ceAbstractionStarter]: For program point L96-1(lines 96 100) no Hoare annotation was computed. [2018-09-19 16:23:44,542 INFO L422 ceAbstractionStarter]: At program point L96-3(lines 96 100) the Hoare annotation is: (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) [2018-09-19 16:23:44,542 INFO L426 ceAbstractionStarter]: For program point L96-4(lines 96 100) no Hoare annotation was computed. [2018-09-19 16:23:44,542 INFO L426 ceAbstractionStarter]: For program point L146(line 146) no Hoare annotation was computed. [2018-09-19 16:23:44,543 INFO L426 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-09-19 16:23:44,543 INFO L426 ceAbstractionStarter]: For program point L142-1(line 142) no Hoare annotation was computed. [2018-09-19 16:23:44,543 INFO L426 ceAbstractionStarter]: For program point L142-2(line 142) no Hoare annotation was computed. [2018-09-19 16:23:44,543 INFO L422 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (not (bvsgt (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32))))) [2018-09-19 16:23:44,543 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:23:44,543 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:23:44,543 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:23:44,544 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:23:44,544 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-19 16:23:44,544 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:23:44,544 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:23:44,544 INFO L426 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-09-19 16:23:44,544 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 162 179) the Hoare annotation is: true [2018-09-19 16:23:44,544 INFO L422 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse1 (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)))) (and (= (let ((.cse0 (fp.sub RNE .cse1 .cse1))) (fp.div RNE .cse0 .cse0)) main_~res~0) (= .cse1 main_~x~0))) [2018-09-19 16:23:44,545 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 162 179) no Hoare annotation was computed. [2018-09-19 16:23:44,545 INFO L426 ceAbstractionStarter]: For program point L173-1(lines 173 176) no Hoare annotation was computed. [2018-09-19 16:23:44,545 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2018-09-19 16:23:44,545 INFO L422 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) [2018-09-19 16:23:44,545 INFO L426 ceAbstractionStarter]: For program point L170-1(line 170) no Hoare annotation was computed. [2018-09-19 16:23:44,545 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 162 179) no Hoare annotation was computed. [2018-09-19 16:23:44,545 INFO L426 ceAbstractionStarter]: For program point L77(line 77) no Hoare annotation was computed. [2018-09-19 16:23:44,545 INFO L426 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-09-19 16:23:44,546 INFO L426 ceAbstractionStarter]: For program point L77-2(line 77) no Hoare annotation was computed. [2018-09-19 16:23:44,546 INFO L426 ceAbstractionStarter]: For program point L77-3(line 77) no Hoare annotation was computed. [2018-09-19 16:23:44,546 INFO L426 ceAbstractionStarter]: For program point L53-1(lines 53 62) no Hoare annotation was computed. [2018-09-19 16:23:44,546 INFO L429 ceAbstractionStarter]: At program point L53-3(lines 53 62) the Hoare annotation is: true [2018-09-19 16:23:44,546 INFO L426 ceAbstractionStarter]: For program point L53-4(lines 17 82) no Hoare annotation was computed. [2018-09-19 16:23:44,547 INFO L429 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-09-19 16:23:44,547 INFO L426 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-09-19 16:23:44,547 INFO L426 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-09-19 16:23:44,547 INFO L426 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-09-19 16:23:44,547 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-09-19 16:23:44,547 INFO L426 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-09-19 16:23:44,547 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-09-19 16:23:44,548 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-19 16:23:44,548 INFO L426 ceAbstractionStarter]: For program point L79-1(line 79) no Hoare annotation was computed. [2018-09-19 16:23:44,548 INFO L426 ceAbstractionStarter]: For program point L79-2(line 79) no Hoare annotation was computed. [2018-09-19 16:23:44,548 INFO L426 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-09-19 16:23:44,548 INFO L426 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-09-19 16:23:44,548 INFO L426 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-09-19 16:23:44,549 INFO L426 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-09-19 16:23:44,549 INFO L426 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-09-19 16:23:44,549 INFO L429 ceAbstractionStarter]: At program point L22-3(lines 22 26) the Hoare annotation is: true [2018-09-19 16:23:44,549 INFO L426 ceAbstractionStarter]: For program point L22-4(lines 22 26) no Hoare annotation was computed. [2018-09-19 16:23:44,549 INFO L426 ceAbstractionStarter]: For program point L39-1(lines 39 40) no Hoare annotation was computed. [2018-09-19 16:23:44,550 INFO L426 ceAbstractionStarter]: For program point L39-3(lines 39 40) no Hoare annotation was computed. [2018-09-19 16:23:44,550 INFO L429 ceAbstractionStarter]: At program point L39-4(lines 39 40) the Hoare annotation is: true [2018-09-19 16:23:44,550 INFO L426 ceAbstractionStarter]: For program point L39-5(lines 39 40) no Hoare annotation was computed. [2018-09-19 16:23:44,550 INFO L426 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-09-19 16:23:44,550 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-19 16:23:44,550 INFO L426 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-09-19 16:23:44,550 INFO L426 ceAbstractionStarter]: For program point L23-2(line 23) no Hoare annotation was computed. [2018-09-19 16:23:44,551 INFO L426 ceAbstractionStarter]: For program point L23-3(line 23) no Hoare annotation was computed. [2018-09-19 16:23:44,551 INFO L426 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-09-19 16:23:44,551 INFO L426 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-09-19 16:23:44,551 INFO L426 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-09-19 16:23:44,551 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-19 16:23:44,551 INFO L426 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-09-19 16:23:44,552 INFO L426 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-09-19 16:23:44,552 INFO L426 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-09-19 16:23:44,552 INFO L426 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-09-19 16:23:44,552 INFO L429 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: true [2018-09-19 16:23:44,552 INFO L426 ceAbstractionStarter]: For program point L76-4(lines 76 80) no Hoare annotation was computed. [2018-09-19 16:23:44,552 INFO L426 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-09-19 16:23:44,560 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,561 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,561 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,561 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,561 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,562 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,562 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,562 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,567 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,568 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,568 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,568 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,569 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,569 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,569 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,569 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 04:23:44 BoogieIcfgContainer [2018-09-19 16:23:44,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 16:23:44,574 INFO L168 Benchmark]: Toolchain (without parser) took 68527.21 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 732.4 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -382.4 MB). Peak memory consumption was 350.0 MB. Max. memory is 7.1 GB. [2018-09-19 16:23:44,576 INFO L168 Benchmark]: CDTParser took 0.21 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 16:23:44,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.89 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 16:23:44,577 INFO L168 Benchmark]: Boogie Preprocessor took 78.72 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 16:23:44,578 INFO L168 Benchmark]: RCFGBuilder took 11161.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 732.4 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -747.0 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2018-09-19 16:23:44,579 INFO L168 Benchmark]: TraceAbstraction took 56821.16 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 343.5 MB). Peak memory consumption was 343.5 MB. Max. memory is 7.1 GB. [2018-09-19 16:23:44,583 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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. * CACSL2BoogieTranslator took 454.89 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 78.72 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. * RCFGBuilder took 11161.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 732.4 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -747.0 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 56821.16 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 343.5 MB). Peak memory consumption was 343.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 174]: 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: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant [2018-09-19 16:23:44,592 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,592 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,592 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,592 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,593 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,593 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,593 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,593 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,594 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,595 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,595 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,595 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,595 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,595 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,596 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:44,596 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\exists __ieee754_acosf_~hx~1 : bv32 :: ~bvand32(__ieee754_acosf_~hx~1, 2147483647bv32) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0]))) && (\exists __ieee754_acosf_~hx~1 : bv32 :: \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0]) && !~bvsgt32(~bvand32(__ieee754_acosf_~hx~1, 2147483647bv32), 1065353216bv32)) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 108 locations, 1 error locations. SAFE Result, 56.7s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 45.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 594 SDtfs, 323 SDslu, 2898 SDs, 0 SdLazy, 368 SolverSat, 18 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 34.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 220 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 14.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred 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, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 37 PreInvPairs, 50 NumberOfFragments, 160 HoareAnnotationTreeSize, 37 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 188 ConstructedInterpolants, 24 QuantifiedInterpolants, 36164 SizeOfPredicates, 36 NumberOfNonLiveVariables, 690 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...