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/double_req_bl_0621b_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 15:59:37,418 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 15:59:37,420 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 15:59:37,438 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 15:59:37,438 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 15:59:37,439 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 15:59:37,441 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 15:59:37,442 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 15:59:37,444 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 15:59:37,445 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 15:59:37,446 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 15:59:37,446 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 15:59:37,447 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 15:59:37,448 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 15:59:37,449 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 15:59:37,450 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 15:59:37,451 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 15:59:37,453 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 15:59:37,455 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 15:59:37,456 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 15:59:37,458 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 15:59:37,459 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 15:59:37,461 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 15:59:37,461 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 15:59:37,462 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 15:59:37,463 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 15:59:37,464 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 15:59:37,464 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 15:59:37,465 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 15:59:37,466 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 15:59:37,467 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 15:59:37,467 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 15:59:37,467 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 15:59:37,468 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 15:59:37,469 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 15:59:37,469 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 15:59:37,470 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 15:59:37,491 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 15:59:37,491 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 15:59:37,492 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 15:59:37,492 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 15:59:37,493 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 15:59:37,493 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 15:59:37,493 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 15:59:37,494 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 15:59:37,494 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 15:59:37,494 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 15:59:37,495 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 15:59:37,495 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 15:59:37,495 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 15:59:37,496 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 15:59:37,496 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 15:59:37,496 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 15:59:37,496 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 15:59:37,497 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 15:59:37,497 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 15:59:37,497 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 15:59:37,497 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 15:59:37,498 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 15:59:37,499 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 15:59:37,499 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 15:59:37,499 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 15:59:37,499 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 15:59:37,499 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 15:59:37,500 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 15:59:37,500 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 15:59:37,500 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 15:59:37,500 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 15:59:37,500 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 15:59:37,548 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 15:59:37,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 15:59:37,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 15:59:37,577 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 15:59:37,578 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 15:59:37,579 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0621b_true-unreach-call.c [2018-09-19 15:59:37,960 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e42e2eaa4/c92777d2cef64063b2f2b40af81c4034/FLAG64b563b90 [2018-09-19 15:59:38,155 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 15:59:38,156 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0621b_true-unreach-call.c [2018-09-19 15:59:38,164 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e42e2eaa4/c92777d2cef64063b2f2b40af81c4034/FLAG64b563b90 [2018-09-19 15:59:38,180 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e42e2eaa4/c92777d2cef64063b2f2b40af81c4034 [2018-09-19 15:59:38,191 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 15:59:38,194 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 15:59:38,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 15:59:38,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 15:59:38,202 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 15:59:38,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:59:38" (1/1) ... [2018-09-19 15:59:38,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a488819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:38, skipping insertion in model container [2018-09-19 15:59:38,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:59:38" (1/1) ... [2018-09-19 15:59:38,220 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 15:59:38,559 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:59:38,589 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 15:59:38,656 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:59:38,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:38 WrapperNode [2018-09-19 15:59:38,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 15:59:38,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 15:59:38,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 15:59:38,702 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 15:59:38,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:38" (1/1) ... [2018-09-19 15:59:38,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:38" (1/1) ... [2018-09-19 15:59:38,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:38" (1/1) ... [2018-09-19 15:59:38,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:38" (1/1) ... [2018-09-19 15:59:38,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:38" (1/1) ... [2018-09-19 15:59:38,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:38" (1/1) ... [2018-09-19 15:59:38,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:38" (1/1) ... [2018-09-19 15:59:38,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 15:59:38,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 15:59:38,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 15:59:38,764 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 15:59:38,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:38" (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 15:59:38,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 15:59:38,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 15:59:38,925 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-19 15:59:38,925 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-09-19 15:59:38,926 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 15:59:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 15:59:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-19 15:59:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-19 15:59:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 15:59:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-19 15:59:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 15:59:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 15:59:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 15:59:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-19 15:59:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-09-19 15:59:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 15:59:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 15:59:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 15:59:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-19 15:59:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 15:59:39,261 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:59:39,290 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:59:39,335 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:59:57,994 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:59:58,005 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:59:58,037 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:59:58,058 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:59:58,962 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 15:59:58,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:59:58 BoogieIcfgContainer [2018-09-19 15:59:58,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 15:59:58,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 15:59:58,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 15:59:58,967 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 15:59:58,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 03:59:38" (1/3) ... [2018-09-19 15:59:58,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef2f451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:59:58, skipping insertion in model container [2018-09-19 15:59:58,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:38" (2/3) ... [2018-09-19 15:59:58,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef2f451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:59:58, skipping insertion in model container [2018-09-19 15:59:58,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:59:58" (3/3) ... [2018-09-19 15:59:58,971 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0621b_true-unreach-call.c [2018-09-19 15:59:58,982 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 15:59:58,992 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 15:59:59,040 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 15:59:59,041 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 15:59:59,043 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 15:59:59,043 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 15:59:59,043 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 15:59:59,043 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 15:59:59,043 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 15:59:59,044 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 15:59:59,044 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 15:59:59,063 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2018-09-19 15:59:59,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-19 15:59:59,072 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:59:59,073 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 15:59:59,075 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:59:59,081 INFO L82 PathProgramCache]: Analyzing trace with hash 652954868, now seen corresponding path program 1 times [2018-09-19 15:59:59,087 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:59:59,087 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 15:59:59,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 15:59:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 15:59:59,256 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 15:59:59,274 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 15:59:59,274 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 15:59:59,292 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 15:59:59,293 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 15:59:59,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 15:59:59,311 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 15:59:59,312 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 15:59:59,314 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2018-09-19 15:59:59,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 15:59:59,348 INFO L93 Difference]: Finished difference Result 154 states and 193 transitions. [2018-09-19 15:59:59,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 15:59:59,349 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-09-19 15:59:59,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 15:59:59,362 INFO L225 Difference]: With dead ends: 154 [2018-09-19 15:59:59,362 INFO L226 Difference]: Without dead ends: 77 [2018-09-19 15:59:59,366 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 15:59:59,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-09-19 15:59:59,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-09-19 15:59:59,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-09-19 15:59:59,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2018-09-19 15:59:59,411 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 18 [2018-09-19 15:59:59,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 15:59:59,412 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2018-09-19 15:59:59,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 15:59:59,412 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2018-09-19 15:59:59,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-19 15:59:59,413 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:59:59,414 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] [2018-09-19 15:59:59,414 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:59:59,414 INFO L82 PathProgramCache]: Analyzing trace with hash 2090612603, now seen corresponding path program 1 times [2018-09-19 15:59:59,415 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:59:59,415 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) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-19 15:59:59,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 15:59:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 15:59:59,598 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 15:59:59,819 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 14 treesize of output 11 [2018-09-19 15:59:59,835 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 11 treesize of output 10 [2018-09-19 15:59:59,836 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 15:59:59,858 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:59:59,885 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 15:59:59,886 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-19 15:59:59,963 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 20 treesize of output 16 [2018-09-19 15:59:59,982 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 16 treesize of output 4 [2018-09-19 15:59:59,983 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:00:00,006 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:00:00,087 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:00:00,088 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-19 16:00:00,652 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 16:00:00,652 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:00:00,668 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:00:00,669 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:00:00,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:00:00,671 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:00:00,672 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:00:00,672 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 9 states. [2018-09-19 16:00:01,300 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-19 16:00:02,158 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-09-19 16:00:24,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:00:24,898 INFO L93 Difference]: Finished difference Result 87 states and 96 transitions. [2018-09-19 16:00:25,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-19 16:00:25,295 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-09-19 16:00:25,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:00:25,301 INFO L225 Difference]: With dead ends: 87 [2018-09-19 16:00:25,301 INFO L226 Difference]: Without dead ends: 81 [2018-09-19 16:00:25,303 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-19 16:00:25,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-09-19 16:00:25,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 77. [2018-09-19 16:00:25,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-09-19 16:00:25,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 86 transitions. [2018-09-19 16:00:25,315 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 86 transitions. Word has length 28 [2018-09-19 16:00:25,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:00:25,316 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 86 transitions. [2018-09-19 16:00:25,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:00:25,316 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2018-09-19 16:00:25,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-19 16:00:25,318 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:00:25,318 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 16:00:25,318 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:00:25,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1110976039, now seen corresponding path program 1 times [2018-09-19 16:00:25,319 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:00:25,319 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 16:00:25,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:00:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:00:29,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:00:29,669 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 14 treesize of output 11 [2018-09-19 16:00:29,683 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 11 treesize of output 10 [2018-09-19 16:00:29,684 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:00:29,689 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:00:29,708 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:00:29,709 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-19 16:00:29,753 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 20 treesize of output 16 [2018-09-19 16:00:29,772 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 16 treesize of output 4 [2018-09-19 16:00:29,772 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:00:29,790 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:00:29,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:00:29,804 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-19 16:00:30,088 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 16:00:30,088 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:00:30,156 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:00:30,157 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:00:30,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:00:30,158 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:00:30,158 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:00:30,158 INFO L87 Difference]: Start difference. First operand 77 states and 86 transitions. Second operand 9 states. [2018-09-19 16:00:56,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:00:56,732 INFO L93 Difference]: Finished difference Result 90 states and 100 transitions. [2018-09-19 16:00:56,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 16:00:56,824 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-09-19 16:00:56,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:00:56,826 INFO L225 Difference]: With dead ends: 90 [2018-09-19 16:00:56,826 INFO L226 Difference]: Without dead ends: 76 [2018-09-19 16:00:56,827 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-19 16:00:56,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-09-19 16:00:56,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2018-09-19 16:00:56,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-09-19 16:00:56,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 79 transitions. [2018-09-19 16:00:56,837 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 79 transitions. Word has length 30 [2018-09-19 16:00:56,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:00:56,837 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 79 transitions. [2018-09-19 16:00:56,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:00:56,838 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 79 transitions. [2018-09-19 16:00:56,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-19 16:00:56,839 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:00:56,839 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] [2018-09-19 16:00:56,839 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:00:56,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1277129167, now seen corresponding path program 1 times [2018-09-19 16:00:56,840 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:00:56,840 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 16:00:56,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:00:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:00:56,990 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:00:57,035 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 14 treesize of output 11 [2018-09-19 16:00:57,042 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 11 treesize of output 10 [2018-09-19 16:00:57,042 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:00:57,051 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:00:57,171 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:00:57,172 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-09-19 16:00:57,245 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 20 treesize of output 16 [2018-09-19 16:00:57,256 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 16 treesize of output 4 [2018-09-19 16:00:57,256 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:00:57,293 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:00:57,337 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:00:57,337 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:17 [2018-09-19 16:00:57,665 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 12 treesize of output 9 [2018-09-19 16:00:57,671 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 9 treesize of output 8 [2018-09-19 16:00:57,671 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:00:57,678 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:00:57,711 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-19 16:00:57,712 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:33 [2018-09-19 16:00:57,793 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 16 treesize of output 12 [2018-09-19 16:00:57,798 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 12 treesize of output 4 [2018-09-19 16:00:57,799 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:00:57,804 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:00:57,839 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-19 16:00:57,839 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:40, output treesize:29 [2018-09-19 16:00:58,241 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 16:00:58,242 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:00:58,265 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:00:58,265 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 16:00:58,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 16:00:58,266 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 16:00:58,266 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-09-19 16:00:58,267 INFO L87 Difference]: Start difference. First operand 74 states and 79 transitions. Second operand 12 states. [2018-09-19 16:00:58,992 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-19 16:00:59,214 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-19 16:00:59,499 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-19 16:01:00,659 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-09-19 16:01:03,345 WARN L178 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-09-19 16:01:03,712 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2018-09-19 16:01:04,636 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-09-19 16:01:05,193 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-09-19 16:01:25,723 WARN L178 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2018-09-19 16:02:03,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:02:03,634 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2018-09-19 16:02:03,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 16:02:03,735 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2018-09-19 16:02:03,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:02:03,737 INFO L225 Difference]: With dead ends: 82 [2018-09-19 16:02:03,737 INFO L226 Difference]: Without dead ends: 76 [2018-09-19 16:02:03,738 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 21.5s TimeCoverageRelationStatistics Valid=103, Invalid=353, Unknown=6, NotChecked=0, Total=462 [2018-09-19 16:02:03,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-09-19 16:02:03,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2018-09-19 16:02:03,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-09-19 16:02:03,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 78 transitions. [2018-09-19 16:02:03,748 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 78 transitions. Word has length 36 [2018-09-19 16:02:03,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:02:03,748 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 78 transitions. [2018-09-19 16:02:03,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 16:02:03,749 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2018-09-19 16:02:03,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-19 16:02:03,750 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:02:03,750 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] [2018-09-19 16:02:03,751 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:02:03,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1451358020, now seen corresponding path program 1 times [2018-09-19 16:02:03,751 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:02:03,752 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 16:02:03,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:02:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:02:03,938 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:02:05,974 INFO L303 Elim1Store]: Index analysis took 2033 ms [2018-09-19 16:02:05,975 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 26 [2018-09-19 16:02:10,058 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 11 53) RNE (/ 306161699786838301793.0 10000000000000000000000000000000000000.0)) (select v_arrayElimArr_1 (_ bv0 32))) [2018-09-19 16:02:10,059 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:10,063 INFO L303 Elim1Store]: Index analysis took 4086 ms [2018-09-19 16:02:10,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 36 [2018-09-19 16:02:13,351 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_2 (_ bv1 32)) (select v_arrayElimArr_2 (_ bv0 32))) [2018-09-19 16:02:13,352 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:15,360 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_2 (_ bv1 32)) ((_ to_fp 11 53) RNE (/ 34758277578077496129.0 2500000000000000000000000000000000000.0))) [2018-09-19 16:02:15,361 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:17,370 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 11 53) RNE (/ 34758277578077496129.0 2500000000000000000000000000000000000.0)) (select v_arrayElimArr_2 (_ bv0 32))) [2018-09-19 16:02:17,371 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:17,375 INFO L303 Elim1Store]: Index analysis took 7309 ms [2018-09-19 16:02:17,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 62 [2018-09-19 16:02:19,792 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:20,094 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:22,118 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 11 53) RNE (/ 612323399573676603587.0 10000000000000000000000000000000000000.0)) (select v_arrayElimArr_3 (_ bv1 32))) [2018-09-19 16:02:22,119 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:22,417 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:24,432 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 11 53) RNE (/ 612323399573676603587.0 10000000000000000000000000000000000000.0)) (select v_arrayElimArr_3 (_ bv0 32))) [2018-09-19 16:02:24,433 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:26,021 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:26,025 INFO L303 Elim1Store]: Index analysis took 8645 ms [2018-09-19 16:02:26,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 101 [2018-09-19 16:02:26,028 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-09-19 16:02:33,305 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:02:36,744 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:02:42,600 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:02:51,885 INFO L303 Elim1Store]: Index analysis took 128 ms [2018-09-19 16:02:51,887 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 26 [2018-09-19 16:02:53,031 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:53,035 INFO L303 Elim1Store]: Index analysis took 1147 ms [2018-09-19 16:02:53,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 36 [2018-09-19 16:02:53,165 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:53,222 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:53,287 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:53,290 INFO L303 Elim1Store]: Index analysis took 252 ms [2018-09-19 16:02:53,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 62 [2018-09-19 16:02:53,356 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:53,383 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:53,408 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:53,435 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:53,461 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:53,481 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:53,484 INFO L303 Elim1Store]: Index analysis took 189 ms [2018-09-19 16:02:53,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 101 [2018-09-19 16:02:53,487 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-09-19 16:02:53,705 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:02:53,822 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:02:53,944 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:02:54,196 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:02:54,197 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:52, output treesize:62 [2018-09-19 16:02:54,480 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-09-19 16:02:56,326 WARN L178 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 46 [2018-09-19 16:02:56,359 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:56,367 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:56,375 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:56,383 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:56,393 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:56,402 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:56,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 54 [2018-09-19 16:02:56,409 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-09-19 16:02:56,711 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:56,713 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:56,715 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:56,716 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:56,719 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:56,721 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:02:56,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 54 [2018-09-19 16:02:56,727 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:02:56,753 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:02:56,754 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:73, output treesize:17 [2018-09-19 16:02:56,937 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 16:02:56,937 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:02:56,949 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:02:56,949 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 16:02:56,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 16:02:56,950 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 16:02:56,950 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-09-19 16:02:56,950 INFO L87 Difference]: Start difference. First operand 74 states and 78 transitions. Second operand 6 states. [2018-09-19 16:03:04,534 WARN L178 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-09-19 16:03:05,031 WARN L178 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-09-19 16:03:09,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:03:09,676 INFO L93 Difference]: Finished difference Result 82 states and 85 transitions. [2018-09-19 16:03:09,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 16:03:09,677 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-09-19 16:03:09,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:03:09,678 INFO L225 Difference]: With dead ends: 82 [2018-09-19 16:03:09,678 INFO L226 Difference]: Without dead ends: 76 [2018-09-19 16:03:09,679 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-09-19 16:03:09,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-09-19 16:03:09,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2018-09-19 16:03:09,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-09-19 16:03:09,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 77 transitions. [2018-09-19 16:03:09,697 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 77 transitions. Word has length 37 [2018-09-19 16:03:09,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:03:09,697 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 77 transitions. [2018-09-19 16:03:09,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 16:03:09,698 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2018-09-19 16:03:09,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-19 16:03:09,699 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:03:09,699 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] [2018-09-19 16:03:09,699 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:03:09,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1479987171, now seen corresponding path program 1 times [2018-09-19 16:03:09,700 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:03:09,700 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 16:03:09,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:03:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:03:09,876 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:03:09,934 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 14 treesize of output 11 [2018-09-19 16:03:09,947 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 11 treesize of output 10 [2018-09-19 16:03:09,947 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:03:09,973 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:03:10,019 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:03:10,020 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-19 16:03:10,064 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 20 treesize of output 16 [2018-09-19 16:03:10,069 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 16 treesize of output 4 [2018-09-19 16:03:10,069 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:03:10,076 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:03:10,091 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:03:10,092 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-19 16:03:10,291 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 16:03:10,291 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:03:10,310 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:03:10,310 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-19 16:03:10,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-19 16:03:10,311 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-19 16:03:10,311 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-19 16:03:10,312 INFO L87 Difference]: Start difference. First operand 74 states and 77 transitions. Second operand 8 states. [2018-09-19 16:03:10,700 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-19 16:03:26,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:03:26,863 INFO L93 Difference]: Finished difference Result 80 states and 82 transitions. [2018-09-19 16:03:26,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-19 16:03:26,865 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-09-19 16:03:26,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:03:26,867 INFO L225 Difference]: With dead ends: 80 [2018-09-19 16:03:26,867 INFO L226 Difference]: Without dead ends: 62 [2018-09-19 16:03:26,868 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-09-19 16:03:26,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-09-19 16:03:26,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-09-19 16:03:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-09-19 16:03:26,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2018-09-19 16:03:26,880 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 37 [2018-09-19 16:03:26,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:03:26,880 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2018-09-19 16:03:26,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-19 16:03:26,881 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2018-09-19 16:03:26,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-19 16:03:26,882 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:03:26,883 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 16:03:26,883 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:03:26,883 INFO L82 PathProgramCache]: Analyzing trace with hash -339391493, now seen corresponding path program 1 times [2018-09-19 16:03:26,884 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:03:26,884 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-09-19 16:03:26,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:03:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:03:32,142 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:03:32,188 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 14 treesize of output 11 [2018-09-19 16:03:32,196 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 11 treesize of output 10 [2018-09-19 16:03:32,196 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:03:32,203 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:03:32,222 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:03:32,222 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-19 16:03:32,280 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 20 treesize of output 16 [2018-09-19 16:03:32,298 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 16 treesize of output 4 [2018-09-19 16:03:32,298 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:03:32,310 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:03:32,321 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:03:32,322 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-19 16:03:32,550 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 16:03:32,551 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:03:32,648 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:03:32,649 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:03:32,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:03:32,649 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:03:32,649 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:03:32,650 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand 9 states. [2018-09-19 16:03:33,231 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-19 16:03:55,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:03:55,522 INFO L93 Difference]: Finished difference Result 72 states and 75 transitions. [2018-09-19 16:03:55,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 16:03:55,524 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2018-09-19 16:03:55,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:03:55,525 INFO L225 Difference]: With dead ends: 72 [2018-09-19 16:03:55,525 INFO L226 Difference]: Without dead ends: 61 [2018-09-19 16:03:55,526 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-19 16:03:55,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-09-19 16:03:55,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-09-19 16:03:55,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-09-19 16:03:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 62 transitions. [2018-09-19 16:03:55,539 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 62 transitions. Word has length 58 [2018-09-19 16:03:55,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:03:55,539 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 62 transitions. [2018-09-19 16:03:55,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:03:55,539 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2018-09-19 16:03:55,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-19 16:03:55,541 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:03:55,541 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 16:03:55,542 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:03:55,542 INFO L82 PathProgramCache]: Analyzing trace with hash -856544517, now seen corresponding path program 1 times [2018-09-19 16:03:55,542 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:03:55,542 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-09-19 16:03:55,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:04:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:04:00,906 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:04:00,946 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 14 treesize of output 11 [2018-09-19 16:04:00,953 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 11 treesize of output 10 [2018-09-19 16:04:00,954 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:04:00,960 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:04:00,977 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:04:00,978 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-19 16:04:01,024 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 20 treesize of output 16 [2018-09-19 16:04:01,029 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 16 treesize of output 4 [2018-09-19 16:04:01,030 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:04:01,033 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:04:01,044 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:04:01,044 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-19 16:04:01,302 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 16:04:01,302 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:04:01,403 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:04:01,404 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:04:01,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:04:01,405 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:04:01,405 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:04:01,405 INFO L87 Difference]: Start difference. First operand 61 states and 62 transitions. Second operand 9 states. [2018-09-19 16:04:02,559 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-19 16:04:14,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:04:14,567 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2018-09-19 16:04:14,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 16:04:14,569 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2018-09-19 16:04:14,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:04:14,569 INFO L225 Difference]: With dead ends: 61 [2018-09-19 16:04:14,569 INFO L226 Difference]: Without dead ends: 0 [2018-09-19 16:04:14,570 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-19 16:04:14,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-19 16:04:14,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-19 16:04:14,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-19 16:04:14,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-19 16:04:14,571 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-09-19 16:04:14,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:04:14,571 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-19 16:04:14,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:04:14,572 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-19 16:04:14,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-19 16:04:14,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-19 16:04:15,070 WARN L178 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-09-19 16:04:15,260 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 1 [2018-09-19 16:04:15,459 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 1 [2018-09-19 16:04:15,636 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 1 [2018-09-19 16:04:16,792 WARN L178 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 111 DAG size of output: 79 [2018-09-19 16:04:17,604 WARN L178 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2018-09-19 16:04:18,955 WARN L178 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 156 DAG size of output: 84 [2018-09-19 16:04:19,747 WARN L178 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2018-09-19 16:04:19,901 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 1 [2018-09-19 16:04:19,903 INFO L426 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-09-19 16:04:19,903 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-19 16:04:19,903 INFO L426 ceAbstractionStarter]: For program point fabs_doubleEXIT(lines 17 31) no Hoare annotation was computed. [2018-09-19 16:04:19,903 INFO L426 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-09-19 16:04:19,903 INFO L426 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-09-19 16:04:19,903 INFO L426 ceAbstractionStarter]: For program point L25-3(line 25) no Hoare annotation was computed. [2018-09-19 16:04:19,903 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-19 16:04:19,903 INFO L426 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-09-19 16:04:19,904 INFO L429 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-09-19 16:04:19,904 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-19 16:04:19,904 INFO L426 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-09-19 16:04:19,904 INFO L426 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-09-19 16:04:19,904 INFO L426 ceAbstractionStarter]: For program point L28-2(line 28) no Hoare annotation was computed. [2018-09-19 16:04:19,904 INFO L426 ceAbstractionStarter]: For program point L28-3(line 28) no Hoare annotation was computed. [2018-09-19 16:04:19,904 INFO L426 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-09-19 16:04:19,905 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-19 16:04:19,905 INFO L426 ceAbstractionStarter]: For program point L24-2(lines 17 31) no Hoare annotation was computed. [2018-09-19 16:04:19,905 INFO L429 ceAbstractionStarter]: At program point fabs_doubleENTRY(lines 17 31) the Hoare annotation is: true [2018-09-19 16:04:19,905 INFO L426 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-09-19 16:04:19,905 INFO L426 ceAbstractionStarter]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2018-09-19 16:04:19,905 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-19 16:04:19,906 INFO L426 ceAbstractionStarter]: For program point L22-2(line 22) no Hoare annotation was computed. [2018-09-19 16:04:19,906 INFO L426 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-09-19 16:04:19,906 INFO L426 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-09-19 16:04:19,906 INFO L426 ceAbstractionStarter]: For program point L20-3(line 20) no Hoare annotation was computed. [2018-09-19 16:04:19,906 INFO L426 ceAbstractionStarter]: For program point fabs_doubleFINAL(lines 17 31) no Hoare annotation was computed. [2018-09-19 16:04:19,906 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:04:19,907 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:04:19,907 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:04:19,907 INFO L422 ceAbstractionStarter]: At program point L68-3(lines 68 72) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) RNE (/ 785398163397448279.0 500000000000000000.0)))) (or (not (= ((_ to_fp 11 53) RNE (/ 491396861623664527041.0 500000000000000000000.0)) (select ~atanhi_atan~0 (_ bv2 32)))) (not (= .cse0 (select ~atanhi_atan~0 (_ bv3 32)))) (not (= .cse0 ~pi_o_2~0)) (not (= ((_ to_fp 11 53) RNE (/ 34758277578077496129.0 2500000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv2 32)))) (not (= (select ~atanlo_atan~0 (_ bv1 32)) ((_ to_fp 11 53) RNE (/ 306161699786838301793.0 10000000000000000000000000000000000000.0)))) (= atan_double_~x |atan_double_#in~x|) (not (= (select ~atanlo_atan~0 (_ bv0 32)) ((_ to_fp 11 53) RNE (/ 56746943632404217731.0 2500000000000000000000000000000000000.0)))) (not (= ((_ to_fp 11 53) RNE (/ 612323399573676603587.0 10000000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv3 32)))) (not (= ((_ to_fp 11 53) RNE (/ 785398163397448278999.0 1000000000000000000000.0)) (select ~atanhi_atan~0 (_ bv1 32)))) (not (= ((_ to_fp 11 53) RNE (/ 92729521800161218703.0 200000000000000000000.0)) (select ~atanhi_atan~0 (_ bv0 32)))))) [2018-09-19 16:04:19,907 INFO L426 ceAbstractionStarter]: For program point L97(lines 97 103) no Hoare annotation was computed. [2018-09-19 16:04:19,907 INFO L426 ceAbstractionStarter]: For program point L68-4(lines 68 72) no Hoare annotation was computed. [2018-09-19 16:04:19,907 INFO L426 ceAbstractionStarter]: For program point L130-2(line 130) no Hoare annotation was computed. [2018-09-19 16:04:19,907 INFO L426 ceAbstractionStarter]: For program point L126(lines 126 131) no Hoare annotation was computed. [2018-09-19 16:04:19,907 INFO L426 ceAbstractionStarter]: For program point L89(lines 89 92) no Hoare annotation was computed. [2018-09-19 16:04:19,907 INFO L426 ceAbstractionStarter]: For program point L89-2(lines 89 92) no Hoare annotation was computed. [2018-09-19 16:04:19,907 INFO L426 ceAbstractionStarter]: For program point L77(line 77) no Hoare annotation was computed. [2018-09-19 16:04:19,908 INFO L426 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-09-19 16:04:19,908 INFO L426 ceAbstractionStarter]: For program point L77-2(line 77) no Hoare annotation was computed. [2018-09-19 16:04:19,908 INFO L426 ceAbstractionStarter]: For program point L77-3(line 77) no Hoare annotation was computed. [2018-09-19 16:04:19,908 INFO L426 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-09-19 16:04:19,908 INFO L426 ceAbstractionStarter]: For program point L69-1(line 69) no Hoare annotation was computed. [2018-09-19 16:04:19,908 INFO L426 ceAbstractionStarter]: For program point L69-2(line 69) no Hoare annotation was computed. [2018-09-19 16:04:19,908 INFO L426 ceAbstractionStarter]: For program point L69-3(line 69) no Hoare annotation was computed. [2018-09-19 16:04:19,908 INFO L426 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-09-19 16:04:19,908 INFO L426 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-09-19 16:04:19,908 INFO L426 ceAbstractionStarter]: For program point L74(lines 74 87) no Hoare annotation was computed. [2018-09-19 16:04:19,908 INFO L426 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-09-19 16:04:19,909 INFO L422 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) RNE (/ 785398163397448279.0 500000000000000000.0)))) (or (not (= ((_ to_fp 11 53) RNE (/ 491396861623664527041.0 500000000000000000000.0)) (select ~atanhi_atan~0 (_ bv2 32)))) (not (= .cse0 (select ~atanhi_atan~0 (_ bv3 32)))) (not (= .cse0 ~pi_o_2~0)) (not (= ((_ to_fp 11 53) RNE (/ 34758277578077496129.0 2500000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv2 32)))) (not (= (select ~atanlo_atan~0 (_ bv1 32)) ((_ to_fp 11 53) RNE (/ 306161699786838301793.0 10000000000000000000000000000000000000.0)))) (and (= atan_double_~x |atan_double_#in~x|) (exists ((|v_q#valueAsBitvector_8| (_ BitVec 64))) (and (= atan_double_~hx~0 ((_ extract 63 32) |v_q#valueAsBitvector_8|)) (= |atan_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_8|) ((_ extract 62 52) |v_q#valueAsBitvector_8|) ((_ extract 51 0) |v_q#valueAsBitvector_8|))))) (exists ((|v_q#valueAsBitvector_13| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_13|) ((_ extract 62 52) |v_q#valueAsBitvector_13|) ((_ extract 51 0) |v_q#valueAsBitvector_13|)) |atan_double_#in~x|) (= atan_double_~ix~0 (bvand ((_ extract 63 32) |v_q#valueAsBitvector_13|) (_ bv2147483647 32))))) (exists ((|v_q#valueAsBitvector_13| (_ BitVec 64))) (and (not (bvsge (bvand ((_ extract 63 32) |v_q#valueAsBitvector_13|) (_ bv2147483647 32)) (_ bv1141899264 32))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_13|) ((_ extract 62 52) |v_q#valueAsBitvector_13|) ((_ extract 51 0) |v_q#valueAsBitvector_13|)) |atan_double_#in~x|)))) (not (= (select ~atanlo_atan~0 (_ bv0 32)) ((_ to_fp 11 53) RNE (/ 56746943632404217731.0 2500000000000000000000000000000000000.0)))) (not (= ((_ to_fp 11 53) RNE (/ 612323399573676603587.0 10000000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv3 32)))) (not (= ((_ to_fp 11 53) RNE (/ 785398163397448278999.0 1000000000000000000000.0)) (select ~atanhi_atan~0 (_ bv1 32)))) (not (= ((_ to_fp 11 53) RNE (/ 92729521800161218703.0 200000000000000000000.0)) (select ~atanhi_atan~0 (_ bv0 32)))))) [2018-09-19 16:04:19,909 INFO L426 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-09-19 16:04:19,909 INFO L426 ceAbstractionStarter]: For program point L83(lines 83 86) no Hoare annotation was computed. [2018-09-19 16:04:19,909 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-19 16:04:19,909 INFO L426 ceAbstractionStarter]: For program point L79-1(line 79) no Hoare annotation was computed. [2018-09-19 16:04:19,909 INFO L426 ceAbstractionStarter]: For program point L79-2(line 79) no Hoare annotation was computed. [2018-09-19 16:04:19,909 INFO L426 ceAbstractionStarter]: For program point L71(line 71) no Hoare annotation was computed. [2018-09-19 16:04:19,909 INFO L426 ceAbstractionStarter]: For program point L71-1(line 71) no Hoare annotation was computed. [2018-09-19 16:04:19,910 INFO L426 ceAbstractionStarter]: For program point atan_doubleEXIT(lines 64 132) no Hoare annotation was computed. [2018-09-19 16:04:19,910 INFO L426 ceAbstractionStarter]: For program point L71-2(line 71) no Hoare annotation was computed. [2018-09-19 16:04:19,910 INFO L426 ceAbstractionStarter]: For program point L96(lines 96 112) no Hoare annotation was computed. [2018-09-19 16:04:19,910 INFO L429 ceAbstractionStarter]: At program point atan_doubleENTRY(lines 64 132) the Hoare annotation is: true [2018-09-19 16:04:19,910 INFO L426 ceAbstractionStarter]: For program point L88(lines 88 113) no Hoare annotation was computed. [2018-09-19 16:04:19,910 INFO L426 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-09-19 16:04:19,910 INFO L426 ceAbstractionStarter]: For program point atan_doubleFINAL(lines 64 132) no Hoare annotation was computed. [2018-09-19 16:04:19,911 INFO L422 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) RNE (/ 785398163397448279.0 500000000000000000.0)))) (or (not (= ((_ to_fp 11 53) RNE (/ 491396861623664527041.0 500000000000000000000.0)) (select ~atanhi_atan~0 (_ bv2 32)))) (not (= .cse0 (select ~atanhi_atan~0 (_ bv3 32)))) (not (= .cse0 ~pi_o_2~0)) (not (= ((_ to_fp 11 53) RNE (/ 34758277578077496129.0 2500000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv2 32)))) (not (= (select ~atanlo_atan~0 (_ bv1 32)) ((_ to_fp 11 53) RNE (/ 306161699786838301793.0 10000000000000000000000000000000000000.0)))) (not (= (select ~atanlo_atan~0 (_ bv0 32)) ((_ to_fp 11 53) RNE (/ 56746943632404217731.0 2500000000000000000000000000000000000.0)))) (not (= ((_ to_fp 11 53) RNE (/ 612323399573676603587.0 10000000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv3 32)))) (not (= ((_ to_fp 11 53) RNE (/ 785398163397448278999.0 1000000000000000000000.0)) (select ~atanhi_atan~0 (_ bv1 32)))) (not (= ((_ to_fp 11 53) RNE (/ 92729521800161218703.0 200000000000000000000.0)) (select ~atanhi_atan~0 (_ bv0 32)))) (and (= atan_double_~x |atan_double_#in~x|) (exists ((|v_q#valueAsBitvector_8| (_ BitVec 64))) (and (= |atan_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_8|) ((_ extract 62 52) |v_q#valueAsBitvector_8|) ((_ extract 51 0) |v_q#valueAsBitvector_8|))) (= atan_double_~ix~0 (bvand ((_ extract 63 32) |v_q#valueAsBitvector_8|) (_ bv2147483647 32))))) (exists ((|v_q#valueAsBitvector_10| (_ BitVec 64))) (and (= atan_double_~hx~0 ((_ extract 63 32) |v_q#valueAsBitvector_10|)) (= atan_double_~x (fp ((_ extract 63 63) |v_q#valueAsBitvector_10|) ((_ extract 62 52) |v_q#valueAsBitvector_10|) ((_ extract 51 0) |v_q#valueAsBitvector_10|)))))))) [2018-09-19 16:04:19,911 INFO L426 ceAbstractionStarter]: For program point L105(lines 105 111) no Hoare annotation was computed. [2018-09-19 16:04:19,911 INFO L426 ceAbstractionStarter]: For program point L76-4(lines 74 87) no Hoare annotation was computed. [2018-09-19 16:04:19,911 INFO L426 ceAbstractionStarter]: For program point L105-2(lines 88 113) no Hoare annotation was computed. [2018-09-19 16:04:19,911 INFO L426 ceAbstractionStarter]: For program point L68-1(lines 68 72) no Hoare annotation was computed. [2018-09-19 16:04:19,911 INFO L426 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-09-19 16:04:19,911 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:04:19,911 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) RNE (/ 785398163397448279.0 500000000000000000.0)))) (and (= ((_ to_fp 11 53) RNE (/ 34758277578077496129.0 2500000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv2 32))) (= ((_ to_fp 11 53) RNE (/ 491396861623664527041.0 500000000000000000000.0)) (select ~atanhi_atan~0 (_ bv2 32))) (= ((_ to_fp 11 53) RNE (/ 785398163397448278999.0 1000000000000000000000.0)) (select ~atanhi_atan~0 (_ bv1 32))) (= (select ~atanlo_atan~0 (_ bv0 32)) ((_ to_fp 11 53) RNE (/ 56746943632404217731.0 2500000000000000000000000000000000000.0))) (= ((_ to_fp 11 53) RNE (/ 306161699786838301793.0 10000000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv1 32))) (= .cse0 (select ~atanhi_atan~0 (_ bv3 32))) (= .cse0 ~pi_o_2~0) (= ((_ to_fp 11 53) RNE (/ 612323399573676603587.0 10000000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv3 32))) (= ((_ to_fp 11 53) RNE (/ 92729521800161218703.0 200000000000000000000.0)) (select ~atanhi_atan~0 (_ bv0 32))))) [2018-09-19 16:04:19,912 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:04:19,912 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:04:19,912 INFO L426 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-09-19 16:04:19,912 INFO L426 ceAbstractionStarter]: For program point L144(lines 144 147) no Hoare annotation was computed. [2018-09-19 16:04:19,912 INFO L422 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) RNE (/ 785398163397448279.0 500000000000000000.0)))) (or (not (= ((_ to_fp 11 53) RNE (/ 491396861623664527041.0 500000000000000000000.0)) (select ~atanhi_atan~0 (_ bv2 32)))) (not (= .cse0 (select ~atanhi_atan~0 (_ bv3 32)))) (= (fp.div RNE (fp.neg ((_ to_fp 11 53) RNE 1.0)) (_ +zero 11 53)) main_~x~0) (not (= .cse0 ~pi_o_2~0)) (not (= ((_ to_fp 11 53) RNE (/ 34758277578077496129.0 2500000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv2 32)))) (not (= (select ~atanlo_atan~0 (_ bv1 32)) ((_ to_fp 11 53) RNE (/ 306161699786838301793.0 10000000000000000000000000000000000000.0)))) (not (= (select ~atanlo_atan~0 (_ bv0 32)) ((_ to_fp 11 53) RNE (/ 56746943632404217731.0 2500000000000000000000000000000000000.0)))) (not (= ((_ to_fp 11 53) RNE (/ 612323399573676603587.0 10000000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv3 32)))) (not (= ((_ to_fp 11 53) RNE (/ 785398163397448278999.0 1000000000000000000000.0)) (select ~atanhi_atan~0 (_ bv1 32)))) (not (= ((_ to_fp 11 53) RNE (/ 92729521800161218703.0 200000000000000000000.0)) (select ~atanhi_atan~0 (_ bv0 32)))))) [2018-09-19 16:04:19,913 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 134 149) the Hoare annotation is: true [2018-09-19 16:04:19,913 INFO L426 ceAbstractionStarter]: For program point L142-1(line 142) no Hoare annotation was computed. [2018-09-19 16:04:19,913 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 134 149) no Hoare annotation was computed. [2018-09-19 16:04:19,913 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 134 149) no Hoare annotation was computed. [2018-09-19 16:04:19,913 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-09-19 16:04:19,924 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,926 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,926 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,927 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,927 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,927 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,927 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,928 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,928 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,928 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-19 16:04:19,929 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-19 16:04:19,929 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-19 16:04:19,929 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-19 16:04:19,929 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:04:19,930 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:04:19,930 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:04:19,930 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:04:19,936 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,936 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,937 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,937 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,937 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,938 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,938 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,938 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,938 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,939 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-19 16:04:19,939 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-19 16:04:19,939 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-19 16:04:19,940 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-19 16:04:19,940 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:04:19,940 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:04:19,940 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:04:19,940 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:04:19,943 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,943 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,943 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,944 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,944 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,944 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,945 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,945 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,945 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,946 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,946 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,947 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,947 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,947 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,948 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,948 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,948 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,948 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 04:04:19 BoogieIcfgContainer [2018-09-19 16:04:19,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 16:04:19,952 INFO L168 Benchmark]: Toolchain (without parser) took 281760.90 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 864.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -736.4 MB). Peak memory consumption was 127.6 MB. Max. memory is 7.1 GB. [2018-09-19 16:04:19,953 INFO L168 Benchmark]: CDTParser took 0.24 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 16:04:19,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.08 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 16:04:19,955 INFO L168 Benchmark]: Boogie Preprocessor took 61.95 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 16:04:19,955 INFO L168 Benchmark]: RCFGBuilder took 20198.86 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -774.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2018-09-19 16:04:19,956 INFO L168 Benchmark]: TraceAbstraction took 260987.49 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 119.0 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 17.3 MB). Peak memory consumption was 136.3 MB. Max. memory is 7.1 GB. [2018-09-19 16:04:19,960 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 506.08 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 61.95 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 20198.86 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -774.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 260987.49 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 119.0 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 17.3 MB). Peak memory consumption was 136.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant [2018-09-19 16:04:19,971 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,972 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,972 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,972 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,972 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,973 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,973 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,973 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,973 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,973 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-19 16:04:19,974 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-19 16:04:19,974 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-19 16:04:19,974 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-19 16:04:19,974 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:04:19,974 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:04:19,974 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:04:19,975 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:04:19,977 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,977 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,978 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,978 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,978 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,978 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,978 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,979 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,979 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,979 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-19 16:04:19,979 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-19 16:04:19,979 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-19 16:04:19,979 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-19 16:04:19,979 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:04:19,980 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:04:19,980 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:04:19,980 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] Derived loop invariant: ((((((((!(~to_fp~LONGDOUBLE(RoundingMode_RNE, 491396861623664527041/500000000000000000000) == atanhi_atan[2bv32]) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 785398163397448279/500000000000000000) == atanhi_atan[3bv32])) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 785398163397448279/500000000000000000) == pi_o_2)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 34758277578077496129/2500000000000000000000000000000000000) == atanlo_atan[2bv32])) || !(atanlo_atan[1bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 306161699786838301793/10000000000000000000000000000000000000))) || !(atanlo_atan[0bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 56746943632404217731/2500000000000000000000000000000000000))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 612323399573676603587/10000000000000000000000000000000000000) == atanlo_atan[3bv32])) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 785398163397448278999/1000000000000000000000) == atanhi_atan[1bv32])) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 92729521800161218703/200000000000000000000) == atanhi_atan[0bv32])) || ((x == \old(x) && (\exists v_q#valueAsBitvector_8 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0]) && ix == ~bvand32(v_q#valueAsBitvector_8[63:32], 2147483647bv32))) && (\exists v_q#valueAsBitvector_10 : bv64 :: hx == v_q#valueAsBitvector_10[63:32] && x == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0]))) - InvariantResult [Line: 68]: Loop Invariant [2018-09-19 16:04:19,981 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,982 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,982 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,982 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,982 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,982 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,982 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,983 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,983 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,984 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,984 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,984 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,984 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,984 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,985 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,985 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,985 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:04:19,985 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: ((((((((!(~to_fp~LONGDOUBLE(RoundingMode_RNE, 491396861623664527041/500000000000000000000) == atanhi_atan[2bv32]) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 785398163397448279/500000000000000000) == atanhi_atan[3bv32])) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 785398163397448279/500000000000000000) == pi_o_2)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 34758277578077496129/2500000000000000000000000000000000000) == atanlo_atan[2bv32])) || !(atanlo_atan[1bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 306161699786838301793/10000000000000000000000000000000000000))) || x == \old(x)) || !(atanlo_atan[0bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 56746943632404217731/2500000000000000000000000000000000000))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 612323399573676603587/10000000000000000000000000000000000000) == atanlo_atan[3bv32])) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 785398163397448278999/1000000000000000000000) == atanhi_atan[1bv32])) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 92729521800161218703/200000000000000000000) == atanhi_atan[0bv32]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 81 locations, 1 error locations. SAFE Result, 260.8s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 182.1s AutomataDifference, 0.0s DeadEndRemovalTime, 5.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 512 SDtfs, 448 SDslu, 2154 SDs, 0 SdLazy, 710 SolverSat, 42 SolverUnsat, 50 SolverUnknown, 0 SolverNotchecked, 143.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 344 GetRequests, 245 SyntacticMatches, 1 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 30.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 10 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 13 PreInvPairs, 17 NumberOfFragments, 454 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 11 FomulaSimplificationsInter, 1050 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 13.8s SatisfiabilityAnalysisTime, 58.7s InterpolantComputationTime, 302 NumberOfCodeBlocks, 302 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 294 ConstructedInterpolants, 111 QuantifiedInterpolants, 163810 SizeOfPredicates, 56 NumberOfNonLiveVariables, 813 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...