java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0921_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 16:32:52,059 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 16:32:52,063 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 16:32:52,083 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 16:32:52,083 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 16:32:52,086 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 16:32:52,087 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 16:32:52,090 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 16:32:52,100 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 16:32:52,101 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 16:32:52,102 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 16:32:52,102 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 16:32:52,105 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 16:32:52,106 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 16:32:52,107 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 16:32:52,110 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 16:32:52,111 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 16:32:52,113 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 16:32:52,115 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 16:32:52,117 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 16:32:52,118 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 16:32:52,119 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 16:32:52,121 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 16:32:52,122 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 16:32:52,122 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 16:32:52,123 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 16:32:52,124 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 16:32:52,124 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 16:32:52,125 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 16:32:52,126 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 16:32:52,126 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 16:32:52,127 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 16:32:52,127 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 16:32:52,128 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 16:32:52,129 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 16:32:52,129 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 16:32:52,130 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-19 16:32:52,149 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 16:32:52,150 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 16:32:52,151 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 16:32:52,151 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 16:32:52,152 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 16:32:52,152 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 16:32:52,153 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 16:32:52,153 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 16:32:52,153 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 16:32:52,153 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 16:32:52,154 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 16:32:52,155 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 16:32:52,155 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 16:32:52,155 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 16:32:52,155 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 16:32:52,156 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 16:32:52,156 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 16:32:52,156 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 16:32:52,156 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 16:32:52,157 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 16:32:52,157 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 16:32:52,157 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 16:32:52,157 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 16:32:52,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 16:32:52,158 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 16:32:52,158 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 16:32:52,158 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 16:32:52,158 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 16:32:52,159 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 16:32:52,160 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 16:32:52,160 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 16:32:52,160 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 16:32:52,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 16:32:52,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 16:32:52,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 16:32:52,238 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 16:32:52,238 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 16:32:52,239 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0921_true-unreach-call.c [2018-09-19 16:32:52,603 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f5267d1c/4b288db5084f4b718b4b2f99b70a2b13/FLAG66849d054 [2018-09-19 16:32:52,774 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 16:32:52,775 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0921_true-unreach-call.c [2018-09-19 16:32:52,784 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f5267d1c/4b288db5084f4b718b4b2f99b70a2b13/FLAG66849d054 [2018-09-19 16:32:52,801 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f5267d1c/4b288db5084f4b718b4b2f99b70a2b13 [2018-09-19 16:32:52,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 16:32:52,816 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 16:32:52,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 16:32:52,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 16:32:52,825 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 16:32:52,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:32:52" (1/1) ... [2018-09-19 16:32:52,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560f8b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:32:52, skipping insertion in model container [2018-09-19 16:32:52,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:32:52" (1/1) ... [2018-09-19 16:32:52,842 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 16:32:53,167 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:32:53,191 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 16:32:53,228 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:32:53,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:32:53 WrapperNode [2018-09-19 16:32:53,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 16:32:53,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 16:32:53,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 16:32:53,287 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 16:32:53,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:32:53" (1/1) ... [2018-09-19 16:32:53,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:32:53" (1/1) ... [2018-09-19 16:32:53,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:32:53" (1/1) ... [2018-09-19 16:32:53,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:32:53" (1/1) ... [2018-09-19 16:32:53,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:32:53" (1/1) ... [2018-09-19 16:32:53,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:32:53" (1/1) ... [2018-09-19 16:32:53,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:32:53" (1/1) ... [2018-09-19 16:32:53,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 16:32:53,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 16:32:53,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 16:32:53,366 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 16:32:53,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:32:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 16:32:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 16:32:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 16:32:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-09-19 16:32:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-09-19 16:32:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-19 16:32:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 16:32:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 16:32:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-19 16:32:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-09-19 16:32:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 16:32:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-19 16:32:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 16:32:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 16:32:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-09-19 16:32:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 16:32:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-19 16:32:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-19 16:32:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 16:32:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 16:32:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 16:32:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-19 16:32:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 16:32:53,880 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:32:53,904 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:33:05,925 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:33:05,937 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:33:07,071 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:33:07,110 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:33:07,286 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 16:33:07,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:33:07 BoogieIcfgContainer [2018-09-19 16:33:07,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 16:33:07,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 16:33:07,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 16:33:07,292 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 16:33:07,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 04:32:52" (1/3) ... [2018-09-19 16:33:07,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3db151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:33:07, skipping insertion in model container [2018-09-19 16:33:07,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:32:53" (2/3) ... [2018-09-19 16:33:07,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3db151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:33:07, skipping insertion in model container [2018-09-19 16:33:07,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:33:07" (3/3) ... [2018-09-19 16:33:07,296 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0921_true-unreach-call.c [2018-09-19 16:33:07,307 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 16:33:07,316 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 16:33:07,367 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 16:33:07,368 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 16:33:07,368 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 16:33:07,368 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 16:33:07,368 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 16:33:07,368 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 16:33:07,369 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 16:33:07,369 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 16:33:07,369 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 16:33:07,389 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2018-09-19 16:33:07,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-19 16:33:07,397 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:33:07,398 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] [2018-09-19 16:33:07,401 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:33:07,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1277566486, now seen corresponding path program 1 times [2018-09-19 16:33:07,412 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:33:07,413 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-19 16:33:07,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-19 16:33:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:33:07,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:33:07,802 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 16:33:07,803 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:33:07,820 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:33:07,821 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 16:33:07,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 16:33:07,839 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 16:33:07,839 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:33:07,842 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2018-09-19 16:33:07,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:33:07,870 INFO L93 Difference]: Finished difference Result 124 states and 158 transitions. [2018-09-19 16:33:07,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 16:33:07,872 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-09-19 16:33:07,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:33:07,884 INFO L225 Difference]: With dead ends: 124 [2018-09-19 16:33:07,884 INFO L226 Difference]: Without dead ends: 62 [2018-09-19 16:33:07,889 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:33:07,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-09-19 16:33:07,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-09-19 16:33:07,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-09-19 16:33:07,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2018-09-19 16:33:07,930 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 72 transitions. Word has length 20 [2018-09-19 16:33:07,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:33:07,931 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 72 transitions. [2018-09-19 16:33:07,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 16:33:07,931 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2018-09-19 16:33:07,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-19 16:33:07,932 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:33:07,932 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 16:33:07,933 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:33:07,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1730013961, now seen corresponding path program 1 times [2018-09-19 16:33:07,934 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:33:07,934 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-19 16:33:07,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:33:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:33:08,220 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:33:08,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-19 16:33:08,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-19 16:33:08,353 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:33:08,359 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:33:08,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:33:08,374 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:33:08,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-19 16:33:08,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-19 16:33:08,424 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:33:08,450 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:33:08,475 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:33:08,476 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:33:08,749 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 16:33:08,749 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:33:08,762 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:33:08,762 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-19 16:33:08,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-19 16:33:08,764 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-19 16:33:08,765 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-19 16:33:08,765 INFO L87 Difference]: Start difference. First operand 62 states and 72 transitions. Second operand 8 states. [2018-09-19 16:33:13,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:33:13,687 INFO L93 Difference]: Finished difference Result 80 states and 89 transitions. [2018-09-19 16:33:13,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-19 16:33:13,688 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2018-09-19 16:33:13,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:33:13,693 INFO L225 Difference]: With dead ends: 80 [2018-09-19 16:33:13,693 INFO L226 Difference]: Without dead ends: 70 [2018-09-19 16:33:13,695 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-09-19 16:33:13,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-09-19 16:33:13,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 62. [2018-09-19 16:33:13,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-09-19 16:33:13,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 71 transitions. [2018-09-19 16:33:13,706 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 71 transitions. Word has length 29 [2018-09-19 16:33:13,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:33:13,706 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 71 transitions. [2018-09-19 16:33:13,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-19 16:33:13,707 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2018-09-19 16:33:13,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-19 16:33:13,708 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:33:13,708 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 16:33:13,709 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:33:13,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1482119536, now seen corresponding path program 1 times [2018-09-19 16:33:13,710 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:33:13,710 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 16:33:13,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:33:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:33:14,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:33:16,725 WARN L178 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 11 [2018-09-19 16:33:16,927 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 16:33:16,928 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:33:16,951 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:33:16,951 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 16:33:16,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 16:33:16,952 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 16:33:16,952 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-09-19 16:33:16,953 INFO L87 Difference]: Start difference. First operand 62 states and 71 transitions. Second operand 10 states. [2018-09-19 16:33:19,124 WARN L178 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 13 [2018-09-19 16:33:34,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:33:34,198 INFO L93 Difference]: Finished difference Result 79 states and 88 transitions. [2018-09-19 16:33:34,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-19 16:33:34,199 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2018-09-19 16:33:34,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:33:34,203 INFO L225 Difference]: With dead ends: 79 [2018-09-19 16:33:34,203 INFO L226 Difference]: Without dead ends: 72 [2018-09-19 16:33:34,204 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2018-09-19 16:33:34,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-09-19 16:33:34,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 62. [2018-09-19 16:33:34,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-09-19 16:33:34,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2018-09-19 16:33:34,221 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 30 [2018-09-19 16:33:34,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:33:34,222 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2018-09-19 16:33:34,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 16:33:34,222 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2018-09-19 16:33:34,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-19 16:33:34,223 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:33:34,223 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 16:33:34,224 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:33:34,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1234903141, now seen corresponding path program 1 times [2018-09-19 16:33:34,225 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:33:34,225 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 16:33:34,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:33:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:33:34,322 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:33:34,631 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-09-19 16:33:35,024 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 16:33:35,025 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:33:35,039 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:33:35,039 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:33:35,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:33:35,040 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:33:35,041 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:33:35,042 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand 9 states. [2018-09-19 16:33:35,806 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-19 16:33:47,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:33:47,986 INFO L93 Difference]: Finished difference Result 75 states and 83 transitions. [2018-09-19 16:33:47,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-19 16:33:47,987 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-09-19 16:33:47,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:33:47,989 INFO L225 Difference]: With dead ends: 75 [2018-09-19 16:33:47,989 INFO L226 Difference]: Without dead ends: 68 [2018-09-19 16:33:47,990 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-19 16:33:47,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-09-19 16:33:48,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 62. [2018-09-19 16:33:48,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-09-19 16:33:48,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2018-09-19 16:33:48,002 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 69 transitions. Word has length 31 [2018-09-19 16:33:48,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:33:48,002 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 69 transitions. [2018-09-19 16:33:48,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:33:48,003 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2018-09-19 16:33:48,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-19 16:33:48,004 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:33:48,005 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] [2018-09-19 16:33:48,005 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:33:48,005 INFO L82 PathProgramCache]: Analyzing trace with hash 172710343, now seen corresponding path program 1 times [2018-09-19 16:33:48,006 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:33:48,006 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) [2018-09-19 16:33:48,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-19 16:33:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:33:49,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:33:49,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-19 16:33:49,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-19 16:33:49,139 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:33:49,151 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:33:49,163 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:33:49,164 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:33:49,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-19 16:33:49,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-19 16:33:49,192 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:33:49,195 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:33:49,198 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:33:49,198 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:33:49,356 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 16:33:49,356 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:33:49,379 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:33:49,380 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:33:49,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:33:49,380 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:33:49,380 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:33:49,381 INFO L87 Difference]: Start difference. First operand 62 states and 69 transitions. Second operand 9 states. [2018-09-19 16:33:53,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:33:53,321 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2018-09-19 16:33:53,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 16:33:53,322 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2018-09-19 16:33:53,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:33:53,323 INFO L225 Difference]: With dead ends: 68 [2018-09-19 16:33:53,323 INFO L226 Difference]: Without dead ends: 0 [2018-09-19 16:33:53,324 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2018-09-19 16:33:53,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-19 16:33:53,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-19 16:33:53,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-19 16:33:53,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-19 16:33:53,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2018-09-19 16:33:53,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:33:53,326 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-19 16:33:53,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:33:53,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-19 16:33:53,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-19 16:33:53,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-19 16:33:53,678 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2018-09-19 16:33:53,838 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2018-09-19 16:33:53,957 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 111) no Hoare annotation was computed. [2018-09-19 16:33:53,957 INFO L429 ceAbstractionStarter]: At program point isnan_floatENTRY(line 111) the Hoare annotation is: true [2018-09-19 16:33:53,957 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 111) no Hoare annotation was computed. [2018-09-19 16:33:53,958 INFO L426 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-09-19 16:33:53,958 INFO L426 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-09-19 16:33:53,958 INFO L426 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-09-19 16:33:53,958 INFO L426 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-09-19 16:33:53,958 INFO L426 ceAbstractionStarter]: For program point L18-2(line 18) no Hoare annotation was computed. [2018-09-19 16:33:53,959 INFO L426 ceAbstractionStarter]: For program point isinf_floatENTRY(lines 13 22) no Hoare annotation was computed. [2018-09-19 16:33:53,959 INFO L426 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2018-09-19 16:33:53,959 INFO L426 ceAbstractionStarter]: For program point L16-2(line 16) no Hoare annotation was computed. [2018-09-19 16:33:53,959 INFO L426 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-09-19 16:33:53,959 INFO L426 ceAbstractionStarter]: For program point L16-3(line 16) no Hoare annotation was computed. [2018-09-19 16:33:53,959 INFO L426 ceAbstractionStarter]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2018-09-19 16:33:53,959 INFO L426 ceAbstractionStarter]: For program point L15-4(lines 15 19) no Hoare annotation was computed. [2018-09-19 16:33:53,960 INFO L426 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 13 22) no Hoare annotation was computed. [2018-09-19 16:33:53,960 INFO L426 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 13 22) no Hoare annotation was computed. [2018-09-19 16:33:53,960 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:33:53,960 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:33:53,960 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:33:53,960 INFO L426 ceAbstractionStarter]: For program point L52-1(lines 52 56) no Hoare annotation was computed. [2018-09-19 16:33:53,961 INFO L422 ceAbstractionStarter]: At program point L52-3(lines 52 56) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0)) (and (= (fp ((_ extract 31 31) __ieee754_logf_~ix~1) ((_ extract 30 23) __ieee754_logf_~ix~1) ((_ extract 22 0) __ieee754_logf_~ix~1)) |__ieee754_logf_#in~x|) (exists ((__ieee754_logf_~ix~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_logf_~ix~1) ((_ extract 30 23) __ieee754_logf_~ix~1) ((_ extract 22 0) __ieee754_logf_~ix~1)) |__ieee754_logf_#in~x|) (bvslt __ieee754_logf_~ix~1 (_ bv2139095040 32)) (not (bvslt __ieee754_logf_~ix~1 (_ bv0 32))))))) [2018-09-19 16:33:53,961 INFO L426 ceAbstractionStarter]: For program point L69(lines 69 76) no Hoare annotation was computed. [2018-09-19 16:33:53,961 INFO L426 ceAbstractionStarter]: For program point L36-1(lines 36 40) no Hoare annotation was computed. [2018-09-19 16:33:53,961 INFO L422 ceAbstractionStarter]: At program point L36-3(lines 36 40) the Hoare annotation is: (or (= __ieee754_logf_~x |__ieee754_logf_#in~x|) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0))) [2018-09-19 16:33:53,961 INFO L426 ceAbstractionStarter]: For program point L36-4(lines 36 40) no Hoare annotation was computed. [2018-09-19 16:33:53,962 INFO L426 ceAbstractionStarter]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2018-09-19 16:33:53,962 INFO L429 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 32 108) the Hoare annotation is: true [2018-09-19 16:33:53,962 INFO L422 ceAbstractionStarter]: At program point L61-3(lines 61 65) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0)) (exists ((__ieee754_logf_~ix~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_logf_~ix~1) ((_ extract 30 23) __ieee754_logf_~ix~1) ((_ extract 22 0) __ieee754_logf_~ix~1)) |__ieee754_logf_#in~x|) (bvslt __ieee754_logf_~ix~1 (_ bv2139095040 32)) (not (bvslt __ieee754_logf_~ix~1 (_ bv0 32)))))) [2018-09-19 16:33:53,962 INFO L426 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 32 108) no Hoare annotation was computed. [2018-09-19 16:33:53,962 INFO L426 ceAbstractionStarter]: For program point L61-4(lines 61 65) no Hoare annotation was computed. [2018-09-19 16:33:53,962 INFO L426 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-09-19 16:33:53,963 INFO L426 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-09-19 16:33:53,963 INFO L426 ceAbstractionStarter]: For program point L53-2(line 53) no Hoare annotation was computed. [2018-09-19 16:33:53,963 INFO L426 ceAbstractionStarter]: For program point L53-3(line 53) no Hoare annotation was computed. [2018-09-19 16:33:53,963 INFO L426 ceAbstractionStarter]: For program point L78(lines 78 83) no Hoare annotation was computed. [2018-09-19 16:33:53,963 INFO L426 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-09-19 16:33:53,963 INFO L426 ceAbstractionStarter]: For program point L103(lines 103 106) no Hoare annotation was computed. [2018-09-19 16:33:53,963 INFO L426 ceAbstractionStarter]: For program point L70(lines 70 75) no Hoare annotation was computed. [2018-09-19 16:33:53,964 INFO L426 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-09-19 16:33:53,964 INFO L426 ceAbstractionStarter]: For program point L37-1(line 37) no Hoare annotation was computed. [2018-09-19 16:33:53,964 INFO L426 ceAbstractionStarter]: For program point L37-2(line 37) no Hoare annotation was computed. [2018-09-19 16:33:53,964 INFO L426 ceAbstractionStarter]: For program point L37-3(line 37) no Hoare annotation was computed. [2018-09-19 16:33:53,964 INFO L426 ceAbstractionStarter]: For program point L95(lines 95 107) no Hoare annotation was computed. [2018-09-19 16:33:53,964 INFO L426 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2018-09-19 16:33:53,964 INFO L426 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-09-19 16:33:53,965 INFO L426 ceAbstractionStarter]: For program point L62-2(line 62) no Hoare annotation was computed. [2018-09-19 16:33:53,965 INFO L426 ceAbstractionStarter]: For program point L62-3(line 62) no Hoare annotation was computed. [2018-09-19 16:33:53,965 INFO L426 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-09-19 16:33:53,965 INFO L426 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2018-09-19 16:33:53,965 INFO L426 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-09-19 16:33:53,965 INFO L426 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-09-19 16:33:53,965 INFO L426 ceAbstractionStarter]: For program point L55-1(line 55) no Hoare annotation was computed. [2018-09-19 16:33:53,966 INFO L426 ceAbstractionStarter]: For program point L55-2(line 55) no Hoare annotation was computed. [2018-09-19 16:33:53,966 INFO L426 ceAbstractionStarter]: For program point L47(lines 47 48) no Hoare annotation was computed. [2018-09-19 16:33:53,966 INFO L426 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-09-19 16:33:53,966 INFO L426 ceAbstractionStarter]: For program point L39-1(line 39) no Hoare annotation was computed. [2018-09-19 16:33:53,966 INFO L426 ceAbstractionStarter]: For program point L39-2(line 39) no Hoare annotation was computed. [2018-09-19 16:33:53,966 INFO L426 ceAbstractionStarter]: For program point L97(lines 97 101) no Hoare annotation was computed. [2018-09-19 16:33:53,966 INFO L426 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-09-19 16:33:53,967 INFO L426 ceAbstractionStarter]: For program point L64-1(line 64) no Hoare annotation was computed. [2018-09-19 16:33:53,967 INFO L426 ceAbstractionStarter]: For program point L64-2(line 64) no Hoare annotation was computed. [2018-09-19 16:33:53,967 INFO L426 ceAbstractionStarter]: For program point L49(lines 49 57) no Hoare annotation was computed. [2018-09-19 16:33:53,967 INFO L426 ceAbstractionStarter]: For program point L49-1(lines 49 57) no Hoare annotation was computed. [2018-09-19 16:33:53,967 INFO L426 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 32 108) no Hoare annotation was computed. [2018-09-19 16:33:53,967 INFO L426 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-09-19 16:33:53,967 INFO L426 ceAbstractionStarter]: For program point L68(lines 68 84) no Hoare annotation was computed. [2018-09-19 16:33:53,968 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:33:53,968 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0) [2018-09-19 16:33:53,968 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:33:53,968 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:33:53,968 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2018-09-19 16:33:53,969 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 113 129) the Hoare annotation is: true [2018-09-19 16:33:53,969 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 113 129) no Hoare annotation was computed. [2018-09-19 16:33:53,969 INFO L426 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-09-19 16:33:53,969 INFO L422 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0)) (let ((.cse0 (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)))) (and (= main_~res~0 (fp.add RNE .cse0 .cse0)) (= .cse0 main_~x~0)))) [2018-09-19 16:33:53,969 INFO L426 ceAbstractionStarter]: For program point L123-1(lines 123 126) no Hoare annotation was computed. [2018-09-19 16:33:53,969 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 113 129) no Hoare annotation was computed. [2018-09-19 16:33:53,970 INFO L422 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0)) (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0)) [2018-09-19 16:33:53,970 INFO L426 ceAbstractionStarter]: For program point L120-1(line 120) no Hoare annotation was computed. [2018-09-19 16:33:53,977 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:33:53,978 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,978 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,979 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,979 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,979 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,984 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:33:53,984 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,985 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,985 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,985 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,986 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,987 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:33:53,987 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:33:53,988 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:33:53,988 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,988 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,989 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,989 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,989 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,990 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:33:53,990 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,991 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,991 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,991 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,991 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:53,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 04:33:53 BoogieIcfgContainer [2018-09-19 16:33:53,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 16:33:53,995 INFO L168 Benchmark]: Toolchain (without parser) took 61182.22 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.4 MB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -465.2 MB). Peak memory consumption was 287.1 MB. Max. memory is 7.1 GB. [2018-09-19 16:33:53,996 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 16:33:53,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.55 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 16:33:53,998 INFO L168 Benchmark]: Boogie Preprocessor took 78.63 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 16:33:53,998 INFO L168 Benchmark]: RCFGBuilder took 13921.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -771.9 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2018-09-19 16:33:53,999 INFO L168 Benchmark]: TraceAbstraction took 46705.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 296.1 MB). Peak memory consumption was 296.1 MB. Max. memory is 7.1 GB. [2018-09-19 16:33:54,004 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 469.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.63 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 13921.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -771.9 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 46705.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 296.1 MB). Peak memory consumption was 296.1 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - 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[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - 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[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 124]: 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: 61]: Loop Invariant [2018-09-19 16:33:54,014 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:33:54,014 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:54,014 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:54,014 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:54,015 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:54,015 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:54,015 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:33:54,016 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:54,016 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:54,016 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:54,016 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:54,016 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] Derived loop invariant: !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) || (\exists __ieee754_logf_~ix~1 : bv32 :: (~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && ~bvslt32(__ieee754_logf_~ix~1, 2139095040bv32)) && !~bvslt32(__ieee754_logf_~ix~1, 0bv32)) - InvariantResult [Line: 36]: Loop Invariant [2018-09-19 16:33:54,017 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:33:54,017 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: x == \old(x) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) - InvariantResult [Line: 52]: Loop Invariant [2018-09-19 16:33:54,018 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:33:54,018 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:54,019 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:54,019 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:54,019 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:54,019 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:54,020 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:33:54,020 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:54,020 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:54,021 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:54,021 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-19 16:33:54,021 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] Derived loop invariant: !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) || (~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == \old(x) && (\exists __ieee754_logf_~ix~1 : bv32 :: (~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && ~bvslt32(__ieee754_logf_~ix~1, 2139095040bv32)) && !~bvslt32(__ieee754_logf_~ix~1, 0bv32))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 80 locations, 1 error locations. SAFE Result, 46.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 39.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 310 SDtfs, 165 SDslu, 1365 SDs, 0 SdLazy, 324 SolverSat, 18 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 34.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 15 PreInvPairs, 21 NumberOfFragments, 119 HoareAnnotationTreeSize, 15 FomulaSimplifications, 86 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 90 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 152 ConstructedInterpolants, 20 QuantifiedInterpolants, 37643 SizeOfPredicates, 23 NumberOfNonLiveVariables, 492 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...