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_0620a_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 15:59:24,156 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 15:59:24,159 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 15:59:24,178 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 15:59:24,179 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 15:59:24,180 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 15:59:24,181 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 15:59:24,184 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 15:59:24,187 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 15:59:24,188 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 15:59:24,196 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 15:59:24,197 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 15:59:24,198 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 15:59:24,199 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 15:59:24,200 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 15:59:24,203 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 15:59:24,204 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 15:59:24,206 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 15:59:24,207 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 15:59:24,209 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 15:59:24,210 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 15:59:24,211 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 15:59:24,213 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 15:59:24,213 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 15:59:24,214 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 15:59:24,214 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 15:59:24,215 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 15:59:24,216 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 15:59:24,217 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 15:59:24,218 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 15:59:24,218 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 15:59:24,219 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 15:59:24,219 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 15:59:24,219 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 15:59:24,220 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 15:59:24,221 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 15:59:24,221 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 15:59:24,243 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 15:59:24,243 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 15:59:24,244 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 15:59:24,244 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 15:59:24,245 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 15:59:24,245 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 15:59:24,245 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 15:59:24,246 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 15:59:24,246 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 15:59:24,246 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 15:59:24,246 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 15:59:24,246 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 15:59:24,246 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 15:59:24,247 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 15:59:24,247 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 15:59:24,247 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 15:59:24,247 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 15:59:24,247 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 15:59:24,248 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 15:59:24,248 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 15:59:24,248 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 15:59:24,248 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 15:59:24,250 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 15:59:24,250 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 15:59:24,250 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 15:59:24,251 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 15:59:24,251 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 15:59:24,251 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 15:59:24,251 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 15:59:24,251 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 15:59:24,252 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 15:59:24,252 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 15:59:24,302 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 15:59:24,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 15:59:24,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 15:59:24,321 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 15:59:24,321 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 15:59:24,322 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0620a_true-unreach-call.c [2018-09-19 15:59:24,679 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f1ec2ee6/2a79dc737bcd4c03aa7443696e9a0db8/FLAG448587ddb [2018-09-19 15:59:24,841 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 15:59:24,841 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0620a_true-unreach-call.c [2018-09-19 15:59:24,851 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f1ec2ee6/2a79dc737bcd4c03aa7443696e9a0db8/FLAG448587ddb [2018-09-19 15:59:24,867 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f1ec2ee6/2a79dc737bcd4c03aa7443696e9a0db8 [2018-09-19 15:59:24,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 15:59:24,881 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 15:59:24,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 15:59:24,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 15:59:24,889 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 15:59:24,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:59:24" (1/1) ... [2018-09-19 15:59:24,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b13f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:24, skipping insertion in model container [2018-09-19 15:59:24,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:59:24" (1/1) ... [2018-09-19 15:59:24,906 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 15:59:25,249 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:59:25,279 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 15:59:25,324 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:59:25,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:25 WrapperNode [2018-09-19 15:59:25,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 15:59:25,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 15:59:25,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 15:59:25,394 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 15:59:25,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:25" (1/1) ... [2018-09-19 15:59:25,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:25" (1/1) ... [2018-09-19 15:59:25,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:25" (1/1) ... [2018-09-19 15:59:25,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:25" (1/1) ... [2018-09-19 15:59:25,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:25" (1/1) ... [2018-09-19 15:59:25,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:25" (1/1) ... [2018-09-19 15:59:25,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:25" (1/1) ... [2018-09-19 15:59:25,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 15:59:25,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 15:59:25,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 15:59:25,467 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 15:59:25,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:25" (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 15:59:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 15:59:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 15:59:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-19 15:59:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-09-19 15:59:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-09-19 15:59:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 15:59:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 15:59:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-19 15:59:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-19 15:59:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 15:59:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-19 15:59:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 15:59:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 15:59:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 15:59:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-19 15:59:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-09-19 15:59:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-09-19 15:59:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 15:59:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 15:59:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 15:59:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 15:59:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-19 15:59:25,830 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:59:25,883 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:59:26,094 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:59:26,168 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:59:26,187 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:59:46,839 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:59:46,892 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:59:47,045 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:59:47,084 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:59:47,095 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 15:59:47,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:59:47 BoogieIcfgContainer [2018-09-19 15:59:47,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 15:59:47,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 15:59:47,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 15:59:47,101 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 15:59:47,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 03:59:24" (1/3) ... [2018-09-19 15:59:47,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1173fc50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:59:47, skipping insertion in model container [2018-09-19 15:59:47,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:59:25" (2/3) ... [2018-09-19 15:59:47,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1173fc50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:59:47, skipping insertion in model container [2018-09-19 15:59:47,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:59:47" (3/3) ... [2018-09-19 15:59:47,105 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620a_true-unreach-call.c [2018-09-19 15:59:47,116 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 15:59:47,126 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 15:59:47,171 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 15:59:47,172 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 15:59:47,172 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 15:59:47,172 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 15:59:47,172 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 15:59:47,172 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 15:59:47,172 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 15:59:47,173 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 15:59:47,173 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 15:59:47,191 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2018-09-19 15:59:47,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-19 15:59:47,199 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:59:47,200 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 15:59:47,203 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:59:47,208 INFO L82 PathProgramCache]: Analyzing trace with hash 103023201, now seen corresponding path program 1 times [2018-09-19 15:59:47,212 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:59:47,213 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 15:59:47,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 15:59:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 15:59:47,365 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 15:59:47,383 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 15:59:47,384 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 15:59:47,399 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 15:59:47,399 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 15:59:47,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 15:59:47,419 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 15:59:47,419 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 15:59:47,422 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2018-09-19 15:59:47,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 15:59:47,460 INFO L93 Difference]: Finished difference Result 188 states and 234 transitions. [2018-09-19 15:59:47,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 15:59:47,462 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-09-19 15:59:47,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 15:59:47,475 INFO L225 Difference]: With dead ends: 188 [2018-09-19 15:59:47,475 INFO L226 Difference]: Without dead ends: 94 [2018-09-19 15:59:47,480 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 15:59:47,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-09-19 15:59:47,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-09-19 15:59:47,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-09-19 15:59:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 105 transitions. [2018-09-19 15:59:47,536 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 105 transitions. Word has length 19 [2018-09-19 15:59:47,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 15:59:47,537 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 105 transitions. [2018-09-19 15:59:47,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 15:59:47,537 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2018-09-19 15:59:47,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-19 15:59:47,539 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:59:47,539 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] [2018-09-19 15:59:47,540 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:59:47,540 INFO L82 PathProgramCache]: Analyzing trace with hash 803168314, now seen corresponding path program 1 times [2018-09-19 15:59:47,541 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:59:47,541 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-19 15:59:47,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-19 15:59:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 15:59:47,740 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 15:59:48,047 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 1 [2018-09-19 15:59:48,054 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 15:59:48,054 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 15:59:48,074 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 15:59:48,074 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-19 15:59:48,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-19 15:59:48,077 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-19 15:59:48,077 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-19 15:59:48,078 INFO L87 Difference]: Start difference. First operand 94 states and 105 transitions. Second operand 7 states. [2018-09-19 16:00:11,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:00:11,267 INFO L93 Difference]: Finished difference Result 104 states and 115 transitions. [2018-09-19 16:00:11,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-19 16:00:11,654 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-09-19 16:00:11,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:00:11,658 INFO L225 Difference]: With dead ends: 104 [2018-09-19 16:00:11,658 INFO L226 Difference]: Without dead ends: 101 [2018-09-19 16:00:11,659 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-19 16:00:11,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-09-19 16:00:11,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2018-09-19 16:00:11,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-09-19 16:00:11,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 109 transitions. [2018-09-19 16:00:11,675 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 109 transitions. Word has length 29 [2018-09-19 16:00:11,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:00:11,675 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 109 transitions. [2018-09-19 16:00:11,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-19 16:00:11,676 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 109 transitions. [2018-09-19 16:00:11,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-19 16:00:11,677 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:00:11,678 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] [2018-09-19 16:00:11,678 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:00:11,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1216668900, now seen corresponding path program 1 times [2018-09-19 16:00:11,679 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:00:11,679 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 16:00:11,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:00:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:00:16,093 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:00:16,167 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 16:00:16,190 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 16:00:16,191 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:00:16,197 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:00:16,218 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 16:00:16,219 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-19 16:00:16,292 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 16:00:16,312 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 16:00:16,313 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:00:16,342 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:00:16,418 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 16:00:16,419 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-19 16:00:17,059 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 16:00:17,059 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:00:17,161 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:00:17,161 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:00:17,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:00:17,162 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:00:17,162 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:00:17,163 INFO L87 Difference]: Start difference. First operand 98 states and 109 transitions. Second operand 9 states. [2018-09-19 16:00:43,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:00:43,122 INFO L93 Difference]: Finished difference Result 130 states and 143 transitions. [2018-09-19 16:00:43,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 16:00:43,521 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-09-19 16:00:43,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:00:43,523 INFO L225 Difference]: With dead ends: 130 [2018-09-19 16:00:43,523 INFO L226 Difference]: Without dead ends: 87 [2018-09-19 16:00:43,524 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 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 16:00:43,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-09-19 16:00:43,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 86. [2018-09-19 16:00:43,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-09-19 16:00:43,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 92 transitions. [2018-09-19 16:00:43,535 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 92 transitions. Word has length 31 [2018-09-19 16:00:43,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:00:43,535 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 92 transitions. [2018-09-19 16:00:43,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:00:43,536 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2018-09-19 16:00:43,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-19 16:00:43,537 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:00:43,537 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 16:00:43,537 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:00:43,538 INFO L82 PathProgramCache]: Analyzing trace with hash 414547809, now seen corresponding path program 1 times [2018-09-19 16:00:43,538 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:00:43,538 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 16:00:43,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:00:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:00:47,883 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:00:51,910 WARN L178 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 14 [2018-09-19 16:00:51,938 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 16:00:51,938 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:00:52,014 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:00:52,014 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 16:00:52,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 16:00:52,015 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 16:00:52,015 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-19 16:00:52,015 INFO L87 Difference]: Start difference. First operand 86 states and 92 transitions. Second operand 6 states. [2018-09-19 16:01:03,236 WARN L178 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 16 [2018-09-19 16:01:20,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:01:20,919 INFO L93 Difference]: Finished difference Result 113 states and 121 transitions. [2018-09-19 16:01:21,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-19 16:01:21,375 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-09-19 16:01:21,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:01:21,377 INFO L225 Difference]: With dead ends: 113 [2018-09-19 16:01:21,377 INFO L226 Difference]: Without dead ends: 85 [2018-09-19 16:01:21,378 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-09-19 16:01:21,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-09-19 16:01:21,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-09-19 16:01:21,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-09-19 16:01:21,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2018-09-19 16:01:21,388 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 32 [2018-09-19 16:01:21,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:01:21,388 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2018-09-19 16:01:21,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 16:01:21,388 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2018-09-19 16:01:21,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-19 16:01:21,390 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:01:21,390 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] [2018-09-19 16:01:21,390 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:01:21,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1880667473, now seen corresponding path program 1 times [2018-09-19 16:01:21,391 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:01:21,391 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 16:01:21,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:01:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:01:21,567 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:01:21,724 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 16:01:21,732 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 16:01:21,733 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:01:21,741 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:01:21,759 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 16:01:21,759 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-19 16:01:21,854 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 16:01:21,860 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 16:01:21,861 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:01:21,865 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:01:21,876 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 16:01:21,876 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-19 16:01:22,254 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 16:01:22,255 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:01:22,266 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:01:22,267 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 16:01:22,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 16:01:22,267 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 16:01:22,268 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-09-19 16:01:22,268 INFO L87 Difference]: Start difference. First operand 85 states and 90 transitions. Second operand 14 states. [2018-09-19 16:01:45,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:01:45,592 INFO L93 Difference]: Finished difference Result 90 states and 95 transitions. [2018-09-19 16:01:45,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 16:01:45,593 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 45 [2018-09-19 16:01:45,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:01:45,595 INFO L225 Difference]: With dead ends: 90 [2018-09-19 16:01:45,596 INFO L226 Difference]: Without dead ends: 79 [2018-09-19 16:01:45,597 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600 [2018-09-19 16:01:45,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-09-19 16:01:45,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-09-19 16:01:45,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-09-19 16:01:45,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2018-09-19 16:01:45,610 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 45 [2018-09-19 16:01:45,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:01:45,611 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2018-09-19 16:01:45,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 16:01:45,611 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2018-09-19 16:01:45,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-19 16:01:45,612 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:01:45,613 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, 1] [2018-09-19 16:01:45,613 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:01:45,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1533934026, now seen corresponding path program 1 times [2018-09-19 16:01:45,614 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:01:45,614 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 16:01:45,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:01:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:01:50,963 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:01:51,005 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 16:01:51,012 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 16:01:51,013 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:01:51,018 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:01:51,035 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 16:01:51,036 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-19 16:01:51,078 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 16:01:51,083 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 16:01:51,084 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:01:51,095 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:01:51,106 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 16:01:51,107 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-19 16:01:51,373 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 16:01:51,373 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:01:51,482 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:01:51,483 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:01:51,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:01:51,483 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:01:51,484 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:01:51,484 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand 9 states. [2018-09-19 16:02:14,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:02:14,038 INFO L93 Difference]: Finished difference Result 106 states and 112 transitions. [2018-09-19 16:02:14,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 16:02:14,040 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2018-09-19 16:02:14,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:02:14,042 INFO L225 Difference]: With dead ends: 106 [2018-09-19 16:02:14,042 INFO L226 Difference]: Without dead ends: 79 [2018-09-19 16:02:14,043 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 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 16:02:14,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-09-19 16:02:14,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-09-19 16:02:14,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-09-19 16:02:14,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 82 transitions. [2018-09-19 16:02:14,062 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 82 transitions. Word has length 59 [2018-09-19 16:02:14,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:02:14,062 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 82 transitions. [2018-09-19 16:02:14,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:02:14,063 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 82 transitions. [2018-09-19 16:02:14,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-19 16:02:14,065 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:02:14,066 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, 1] [2018-09-19 16:02:14,066 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:02:14,066 INFO L82 PathProgramCache]: Analyzing trace with hash -853875656, now seen corresponding path program 1 times [2018-09-19 16:02:14,067 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:02:14,067 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 16:02:14,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:02:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:02:19,259 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:02:19,332 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 16:02:19,346 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 16:02:19,347 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:02:19,365 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:02:19,414 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 16:02:19,415 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-19 16:02:19,460 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 16:02:19,471 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 16:02:19,472 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:02:19,475 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:02:19,487 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 16:02:19,487 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-19 16:02:19,753 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 16:02:19,754 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:02:19,845 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:02:19,845 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:02:19,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:02:19,846 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:02:19,846 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:02:19,847 INFO L87 Difference]: Start difference. First operand 79 states and 82 transitions. Second operand 9 states. [2018-09-19 16:02:20,649 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-19 16:02:42,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:02:42,416 INFO L93 Difference]: Finished difference Result 106 states and 111 transitions. [2018-09-19 16:02:42,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 16:02:42,418 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2018-09-19 16:02:42,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:02:42,419 INFO L225 Difference]: With dead ends: 106 [2018-09-19 16:02:42,419 INFO L226 Difference]: Without dead ends: 78 [2018-09-19 16:02:42,420 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-19 16:02:42,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-09-19 16:02:42,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-09-19 16:02:42,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-09-19 16:02:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2018-09-19 16:02:42,429 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 59 [2018-09-19 16:02:42,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:02:42,430 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2018-09-19 16:02:42,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:02:42,430 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2018-09-19 16:02:42,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-19 16:02:42,431 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:02:42,432 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, 1] [2018-09-19 16:02:42,432 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:02:42,432 INFO L82 PathProgramCache]: Analyzing trace with hash -385808586, now seen corresponding path program 1 times [2018-09-19 16:02:42,433 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:02:42,433 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 16:02:42,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:02:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:02:47,928 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:02:48,012 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 16:02:48,018 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 16:02:48,019 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:02:48,025 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:02:48,044 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 16:02:48,044 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-19 16:02:48,093 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 16:02:48,114 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 16:02:48,114 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:02:48,139 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:02:48,218 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 16:02:48,218 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-19 16:02:48,525 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 16:02:48,526 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:02:48,604 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:02:48,604 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:02:48,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:02:48,605 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:02:48,605 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:02:48,606 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand 9 states. [2018-09-19 16:03:01,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:03:01,824 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2018-09-19 16:03:01,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 16:03:01,827 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2018-09-19 16:03:01,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:03:01,827 INFO L225 Difference]: With dead ends: 78 [2018-09-19 16:03:01,828 INFO L226 Difference]: Without dead ends: 0 [2018-09-19 16:03:01,829 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-19 16:03:01,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-19 16:03:01,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-19 16:03:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-19 16:03:01,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-19 16:03:01,830 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2018-09-19 16:03:01,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:03:01,830 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-19 16:03:01,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:03:01,830 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-19 16:03:01,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-19 16:03:01,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-19 16:03:02,310 WARN L178 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-09-19 16:03:02,472 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-09-19 16:03:02,841 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 46 [2018-09-19 16:03:03,174 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 20 [2018-09-19 16:03:03,189 INFO L426 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-09-19 16:03:03,189 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-19 16:03:03,190 INFO L426 ceAbstractionStarter]: For program point fabs_doubleEXIT(lines 17 31) no Hoare annotation was computed. [2018-09-19 16:03:03,190 INFO L426 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-09-19 16:03:03,190 INFO L426 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-09-19 16:03:03,190 INFO L426 ceAbstractionStarter]: For program point L25-3(line 25) no Hoare annotation was computed. [2018-09-19 16:03:03,190 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-19 16:03:03,191 INFO L426 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-09-19 16:03:03,191 INFO L429 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-09-19 16:03:03,191 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-19 16:03:03,191 INFO L426 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-09-19 16:03:03,191 INFO L426 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-09-19 16:03:03,191 INFO L426 ceAbstractionStarter]: For program point L28-2(line 28) no Hoare annotation was computed. [2018-09-19 16:03:03,192 INFO L426 ceAbstractionStarter]: For program point L28-3(line 28) no Hoare annotation was computed. [2018-09-19 16:03:03,192 INFO L426 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-09-19 16:03:03,192 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-19 16:03:03,192 INFO L426 ceAbstractionStarter]: For program point L24-2(lines 17 31) no Hoare annotation was computed. [2018-09-19 16:03:03,192 INFO L429 ceAbstractionStarter]: At program point fabs_doubleENTRY(lines 17 31) the Hoare annotation is: true [2018-09-19 16:03:03,192 INFO L426 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-09-19 16:03:03,192 INFO L426 ceAbstractionStarter]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2018-09-19 16:03:03,192 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-19 16:03:03,192 INFO L426 ceAbstractionStarter]: For program point L22-2(line 22) no Hoare annotation was computed. [2018-09-19 16:03:03,192 INFO L426 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-09-19 16:03:03,193 INFO L426 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-09-19 16:03:03,193 INFO L426 ceAbstractionStarter]: For program point L20-3(line 20) no Hoare annotation was computed. [2018-09-19 16:03:03,193 INFO L426 ceAbstractionStarter]: For program point fabs_doubleFINAL(lines 17 31) no Hoare annotation was computed. [2018-09-19 16:03:03,193 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:03:03,193 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:03:03,193 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:03:03,193 INFO L422 ceAbstractionStarter]: At program point L68-3(lines 68 72) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0)) (not (= ~one_atan~0 ((_ to_fp 11 53) RNE 1.0))) (= atan_double_~x |atan_double_#in~x|)) [2018-09-19 16:03:03,193 INFO L426 ceAbstractionStarter]: For program point L97(lines 97 103) no Hoare annotation was computed. [2018-09-19 16:03:03,194 INFO L426 ceAbstractionStarter]: For program point L68-4(lines 68 72) no Hoare annotation was computed. [2018-09-19 16:03:03,194 INFO L426 ceAbstractionStarter]: For program point L130-2(line 130) no Hoare annotation was computed. [2018-09-19 16:03:03,194 INFO L426 ceAbstractionStarter]: For program point L126(lines 126 131) no Hoare annotation was computed. [2018-09-19 16:03:03,194 INFO L426 ceAbstractionStarter]: For program point L89(lines 89 92) no Hoare annotation was computed. [2018-09-19 16:03:03,194 INFO L426 ceAbstractionStarter]: For program point L89-2(lines 89 92) no Hoare annotation was computed. [2018-09-19 16:03:03,194 INFO L426 ceAbstractionStarter]: For program point L77(line 77) no Hoare annotation was computed. [2018-09-19 16:03:03,194 INFO L426 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-09-19 16:03:03,195 INFO L426 ceAbstractionStarter]: For program point L77-2(line 77) no Hoare annotation was computed. [2018-09-19 16:03:03,195 INFO L426 ceAbstractionStarter]: For program point L77-3(line 77) no Hoare annotation was computed. [2018-09-19 16:03:03,195 INFO L426 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-09-19 16:03:03,195 INFO L426 ceAbstractionStarter]: For program point L69-1(line 69) no Hoare annotation was computed. [2018-09-19 16:03:03,195 INFO L426 ceAbstractionStarter]: For program point L69-2(line 69) no Hoare annotation was computed. [2018-09-19 16:03:03,195 INFO L426 ceAbstractionStarter]: For program point L69-3(line 69) no Hoare annotation was computed. [2018-09-19 16:03:03,195 INFO L426 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-09-19 16:03:03,195 INFO L426 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-09-19 16:03:03,195 INFO L426 ceAbstractionStarter]: For program point L74(lines 74 87) no Hoare annotation was computed. [2018-09-19 16:03:03,196 INFO L426 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-09-19 16:03:03,196 INFO L422 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0)) (not (= ~one_atan~0 ((_ to_fp 11 53) RNE 1.0))) (and (= atan_double_~x |atan_double_#in~x|) (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|) (not (bvslt (bvand ((_ extract 63 32) |v_q#valueAsBitvector_13|) (_ bv2147483647 32)) (_ bv1071382528 32))))) (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_~hx~0 ((_ extract 63 32) |v_q#valueAsBitvector_13|)))) (exists ((|v_q#valueAsBitvector_10| (_ BitVec 64))) (and (= atan_double_~ix~0 (bvand ((_ extract 63 32) |v_q#valueAsBitvector_10|) (_ bv2147483647 32))) (= |atan_double_#in~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 16:03:03,196 INFO L426 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-09-19 16:03:03,196 INFO L426 ceAbstractionStarter]: For program point L83(lines 83 86) no Hoare annotation was computed. [2018-09-19 16:03:03,196 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-19 16:03:03,196 INFO L426 ceAbstractionStarter]: For program point L79-1(line 79) no Hoare annotation was computed. [2018-09-19 16:03:03,196 INFO L426 ceAbstractionStarter]: For program point L79-2(line 79) no Hoare annotation was computed. [2018-09-19 16:03:03,197 INFO L426 ceAbstractionStarter]: For program point L71(line 71) no Hoare annotation was computed. [2018-09-19 16:03:03,197 INFO L426 ceAbstractionStarter]: For program point L71-1(line 71) no Hoare annotation was computed. [2018-09-19 16:03:03,197 INFO L426 ceAbstractionStarter]: For program point atan_doubleEXIT(lines 64 132) no Hoare annotation was computed. [2018-09-19 16:03:03,197 INFO L426 ceAbstractionStarter]: For program point L71-2(line 71) no Hoare annotation was computed. [2018-09-19 16:03:03,197 INFO L426 ceAbstractionStarter]: For program point L96(lines 96 112) no Hoare annotation was computed. [2018-09-19 16:03:03,197 INFO L429 ceAbstractionStarter]: At program point atan_doubleENTRY(lines 64 132) the Hoare annotation is: true [2018-09-19 16:03:03,197 INFO L426 ceAbstractionStarter]: For program point L88(lines 88 113) no Hoare annotation was computed. [2018-09-19 16:03:03,197 INFO L426 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-09-19 16:03:03,197 INFO L426 ceAbstractionStarter]: For program point atan_doubleFINAL(lines 64 132) no Hoare annotation was computed. [2018-09-19 16:03:03,198 INFO L422 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0)) (not (= ~one_atan~0 ((_ to_fp 11 53) RNE 1.0))) (and (= atan_double_~x |atan_double_#in~x|) (exists ((|v_q#valueAsBitvector_10| (_ BitVec 64))) (and (= atan_double_~hx~0 ((_ extract 63 32) |v_q#valueAsBitvector_10|)) (= |atan_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_10|) ((_ extract 62 52) |v_q#valueAsBitvector_10|) ((_ extract 51 0) |v_q#valueAsBitvector_10|))))) (exists ((|v_q#valueAsBitvector_10| (_ BitVec 64))) (and (= |atan_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_10|) ((_ extract 62 52) |v_q#valueAsBitvector_10|) ((_ extract 51 0) |v_q#valueAsBitvector_10|))) (not (bvslt (bvand ((_ extract 63 32) |v_q#valueAsBitvector_10|) (_ bv2147483647 32)) (_ bv1042284544 32))))) (exists ((|v_q#valueAsBitvector_10| (_ BitVec 64))) (and (= atan_double_~ix~0 (bvand ((_ extract 63 32) |v_q#valueAsBitvector_10|) (_ bv2147483647 32))) (= |atan_double_#in~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 16:03:03,198 INFO L426 ceAbstractionStarter]: For program point L105(lines 105 111) no Hoare annotation was computed. [2018-09-19 16:03:03,198 INFO L426 ceAbstractionStarter]: For program point L76-4(lines 74 87) no Hoare annotation was computed. [2018-09-19 16:03:03,198 INFO L426 ceAbstractionStarter]: For program point L105-2(lines 88 113) no Hoare annotation was computed. [2018-09-19 16:03:03,198 INFO L426 ceAbstractionStarter]: For program point L68-1(lines 68 72) no Hoare annotation was computed. [2018-09-19 16:03:03,198 INFO L426 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-09-19 16:03:03,198 INFO L426 ceAbstractionStarter]: For program point __signbit_doubleFINAL(lines 134 144) no Hoare annotation was computed. [2018-09-19 16:03:03,199 INFO L426 ceAbstractionStarter]: For program point __signbit_doubleEXIT(lines 134 144) no Hoare annotation was computed. [2018-09-19 16:03:03,199 INFO L429 ceAbstractionStarter]: At program point __signbit_doubleENTRY(lines 134 144) the Hoare annotation is: true [2018-09-19 16:03:03,199 INFO L426 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-09-19 16:03:03,199 INFO L426 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-09-19 16:03:03,199 INFO L426 ceAbstractionStarter]: For program point L140-1(line 140) no Hoare annotation was computed. [2018-09-19 16:03:03,199 INFO L426 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-09-19 16:03:03,199 INFO L426 ceAbstractionStarter]: For program point L140-2(line 140) no Hoare annotation was computed. [2018-09-19 16:03:03,199 INFO L426 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-09-19 16:03:03,199 INFO L426 ceAbstractionStarter]: For program point L138-2(line 138) no Hoare annotation was computed. [2018-09-19 16:03:03,200 INFO L426 ceAbstractionStarter]: For program point L137-1(lines 137 141) no Hoare annotation was computed. [2018-09-19 16:03:03,200 INFO L426 ceAbstractionStarter]: For program point L138-3(line 138) no Hoare annotation was computed. [2018-09-19 16:03:03,200 INFO L422 ceAbstractionStarter]: At program point L137-3(lines 137 141) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0)) (not (= ~one_atan~0 ((_ to_fp 11 53) RNE 1.0))) (= |__signbit_double_#in~x| __signbit_double_~x)) [2018-09-19 16:03:03,200 INFO L426 ceAbstractionStarter]: For program point L137-4(lines 137 141) no Hoare annotation was computed. [2018-09-19 16:03:03,200 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:03:03,200 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 11 53) RNE 1.0))) [2018-09-19 16:03:03,200 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:03:03,200 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:03:03,201 INFO L426 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-09-19 16:03:03,201 INFO L426 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-09-19 16:03:03,201 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 146 164) the Hoare annotation is: true [2018-09-19 16:03:03,201 INFO L422 ceAbstractionStarter]: At program point L158-1(line 158) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0)) (not (= ~one_atan~0 ((_ to_fp 11 53) RNE 1.0))) (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= main_~res~0 .cse0) |main_#t~short14| (= main_~x~0 .cse0)))) [2018-09-19 16:03:03,201 INFO L426 ceAbstractionStarter]: For program point L158-2(line 158) no Hoare annotation was computed. [2018-09-19 16:03:03,201 INFO L422 ceAbstractionStarter]: At program point L155(line 155) the Hoare annotation is: (or (= main_~x~0 (fp.neg (_ +zero 11 53))) (not (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0)) (not (= ~one_atan~0 ((_ to_fp 11 53) RNE 1.0)))) [2018-09-19 16:03:03,201 INFO L426 ceAbstractionStarter]: For program point L155-1(line 155) no Hoare annotation was computed. [2018-09-19 16:03:03,201 INFO L426 ceAbstractionStarter]: For program point L158-4(lines 158 161) no Hoare annotation was computed. [2018-09-19 16:03:03,202 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 146 164) no Hoare annotation was computed. [2018-09-19 16:03:03,202 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 159) no Hoare annotation was computed. [2018-09-19 16:03:03,202 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 146 164) no Hoare annotation was computed. [2018-09-19 16:03:03,211 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,212 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,214 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,215 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,217 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,217 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,217 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,218 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,219 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,219 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,219 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,219 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,220 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,220 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,220 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,220 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,221 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,221 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,223 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,223 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,224 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,224 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,224 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,224 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,225 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,225 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,225 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,226 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,226 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,226 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,226 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,227 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,228 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,228 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,229 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,229 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 04:03:03 BoogieIcfgContainer [2018-09-19 16:03:03,232 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 16:03:03,233 INFO L168 Benchmark]: Toolchain (without parser) took 218355.06 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.0 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -120.6 MB). Peak memory consumption was 592.4 MB. Max. memory is 7.1 GB. [2018-09-19 16:03:03,234 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 16:03:03,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 511.06 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 16:03:03,235 INFO L168 Benchmark]: Boogie Preprocessor took 72.82 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 16:03:03,236 INFO L168 Benchmark]: RCFGBuilder took 21629.04 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.0 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -716.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2018-09-19 16:03:03,237 INFO L168 Benchmark]: TraceAbstraction took 196135.00 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.5 GB in the end (delta: 585.4 MB). Peak memory consumption was 585.4 MB. Max. memory is 7.1 GB. [2018-09-19 16:03:03,241 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 511.06 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 72.82 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 21629.04 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.0 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -716.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 196135.00 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.5 GB in the end (delta: 585.4 MB). Peak memory consumption was 585.4 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 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 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 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 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 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 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 159]: 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: 137]: Loop Invariant [2018-09-19 16:03:03,257 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,258 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,259 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,259 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (!(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E300) == huge_atan) || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) || \old(x) == x - InvariantResult [Line: 76]: Loop Invariant [2018-09-19 16:03:03,260 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,260 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,260 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,264 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,265 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,265 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,265 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,265 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,266 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,266 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,266 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,266 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,266 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,267 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,268 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,268 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,269 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,269 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,269 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,269 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,273 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,274 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,274 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,274 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,274 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,275 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,275 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-19 16:03:03,275 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, 1.0E300) == huge_atan) || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) || (((x == \old(x) && (\exists v_q#valueAsBitvector_10 : bv64 :: hx == v_q#valueAsBitvector_10[63:32] && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0]))) && (\exists v_q#valueAsBitvector_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0]) && !~bvslt32(~bvand32(v_q#valueAsBitvector_10[63:32], 2147483647bv32), 1042284544bv32))) && (\exists v_q#valueAsBitvector_10 : bv64 :: ix == ~bvand32(v_q#valueAsBitvector_10[63:32], 2147483647bv32) && \old(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 16:03:03,276 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,276 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,277 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:03:03,277 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (!(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E300) == huge_atan) || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) || x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 98 locations, 1 error locations. SAFE Result, 196.0s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 161.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 625 SDtfs, 363 SDslu, 3020 SDs, 0 SdLazy, 629 SolverSat, 47 SolverUnsat, 47 SolverUnknown, 0 SolverNotchecked, 138.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 372 GetRequests, 275 SyntacticMatches, 1 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 13.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred 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, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 28 PreInvPairs, 34 NumberOfFragments, 224 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 14 FomulaSimplificationsInter, 318 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 22.2s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 333 NumberOfCodeBlocks, 333 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 325 ConstructedInterpolants, 80 QuantifiedInterpolants, 97439 SizeOfPredicates, 49 NumberOfNonLiveVariables, 868 ConjunctsInSsa, 67 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...