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_1012a_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 16:17:23,720 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 16:17:23,723 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 16:17:23,740 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 16:17:23,740 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 16:17:23,741 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 16:17:23,742 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 16:17:23,744 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 16:17:23,746 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 16:17:23,748 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 16:17:23,749 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 16:17:23,749 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 16:17:23,750 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 16:17:23,751 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 16:17:23,753 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 16:17:23,753 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 16:17:23,754 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 16:17:23,756 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 16:17:23,758 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 16:17:23,760 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 16:17:23,762 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 16:17:23,763 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 16:17:23,765 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 16:17:23,766 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 16:17:23,766 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 16:17:23,767 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 16:17:23,768 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 16:17:23,769 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 16:17:23,770 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 16:17:23,771 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 16:17:23,771 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 16:17:23,772 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 16:17:23,773 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 16:17:23,773 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 16:17:23,774 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 16:17:23,775 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 16:17:23,775 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 16:17:23,791 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 16:17:23,792 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 16:17:23,793 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 16:17:23,793 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 16:17:23,794 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 16:17:23,794 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 16:17:23,794 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 16:17:23,794 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 16:17:23,795 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 16:17:23,795 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 16:17:23,795 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 16:17:23,795 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 16:17:23,795 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 16:17:23,796 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 16:17:23,796 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 16:17:23,796 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 16:17:23,796 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 16:17:23,796 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 16:17:23,796 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 16:17:23,797 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 16:17:23,797 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 16:17:23,797 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 16:17:23,797 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 16:17:23,798 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 16:17:23,798 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 16:17:23,798 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 16:17:23,798 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 16:17:23,798 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 16:17:23,799 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 16:17:23,799 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 16:17:23,799 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 16:17:23,799 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 16:17:23,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 16:17:23,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 16:17:23,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 16:17:23,899 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 16:17:23,899 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 16:17:23,900 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1012a_true-unreach-call.c [2018-09-19 16:17:24,260 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42099053f/65d1d793d646492fbc60cd34d27454e2/FLAGed4dfca75 [2018-09-19 16:17:24,453 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 16:17:24,455 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1012a_true-unreach-call.c [2018-09-19 16:17:24,464 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42099053f/65d1d793d646492fbc60cd34d27454e2/FLAGed4dfca75 [2018-09-19 16:17:24,492 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42099053f/65d1d793d646492fbc60cd34d27454e2 [2018-09-19 16:17:24,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 16:17:24,514 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 16:17:24,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 16:17:24,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 16:17:24,527 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 16:17:24,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:17:24" (1/1) ... [2018-09-19 16:17:24,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e1a0fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:17:24, skipping insertion in model container [2018-09-19 16:17:24,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:17:24" (1/1) ... [2018-09-19 16:17:24,547 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 16:17:24,844 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:17:24,871 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 16:17:24,900 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:17:24,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:17:24 WrapperNode [2018-09-19 16:17:24,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 16:17:24,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 16:17:24,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 16:17:24,952 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 16:17:24,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:17:24" (1/1) ... [2018-09-19 16:17:24,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:17:24" (1/1) ... [2018-09-19 16:17:25,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:17:24" (1/1) ... [2018-09-19 16:17:25,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:17:24" (1/1) ... [2018-09-19 16:17:25,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:17:24" (1/1) ... [2018-09-19 16:17:25,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:17:24" (1/1) ... [2018-09-19 16:17:25,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:17:24" (1/1) ... [2018-09-19 16:17:25,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 16:17:25,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 16:17:25,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 16:17:25,047 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 16:17:25,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:17:24" (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 16:17:25,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 16:17:25,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 16:17:25,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-19 16:17:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-09-19 16:17:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-19 16:17:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-19 16:17:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 16:17:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 16:17:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-19 16:17:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-09-19 16:17:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 16:17:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-19 16:17:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 16:17:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 16:17:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-19 16:17:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-19 16:17:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 16:17:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-19 16:17:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 16:17:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 16:17:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 16:17:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 16:17:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-19 16:17:25,494 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:17:25,546 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:17:25,608 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:17:25,739 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:17:25,788 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:17:25,920 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:17:25,936 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:17:25,975 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:17:26,027 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 16:17:26,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:17:26 BoogieIcfgContainer [2018-09-19 16:17:26,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 16:17:26,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 16:17:26,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 16:17:26,032 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 16:17:26,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 04:17:24" (1/3) ... [2018-09-19 16:17:26,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a365914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:17:26, skipping insertion in model container [2018-09-19 16:17:26,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:17:24" (2/3) ... [2018-09-19 16:17:26,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a365914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:17:26, skipping insertion in model container [2018-09-19 16:17:26,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:17:26" (3/3) ... [2018-09-19 16:17:26,037 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1012a_true-unreach-call.c [2018-09-19 16:17:26,048 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 16:17:26,057 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 16:17:26,119 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 16:17:26,120 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 16:17:26,120 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 16:17:26,121 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 16:17:26,121 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 16:17:26,121 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 16:17:26,121 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 16:17:26,121 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 16:17:26,122 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 16:17:26,151 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2018-09-19 16:17:26,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-19 16:17:26,165 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:17:26,166 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] [2018-09-19 16:17:26,171 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:17:26,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1843779315, now seen corresponding path program 1 times [2018-09-19 16:17:26,182 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:17:26,183 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 16:17:26,198 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 16:17:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:17:26,264 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:17:26,284 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 16:17:26,285 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:17:26,299 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:17:26,299 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 16:17:26,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 16:17:26,318 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 16:17:26,319 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:17:26,321 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2018-09-19 16:17:26,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:17:26,350 INFO L93 Difference]: Finished difference Result 112 states and 125 transitions. [2018-09-19 16:17:26,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 16:17:26,352 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-19 16:17:26,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:17:26,364 INFO L225 Difference]: With dead ends: 112 [2018-09-19 16:17:26,365 INFO L226 Difference]: Without dead ends: 56 [2018-09-19 16:17:26,369 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 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 16:17:26,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-09-19 16:17:26,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-09-19 16:17:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-09-19 16:17:26,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 55 transitions. [2018-09-19 16:17:26,413 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 55 transitions. Word has length 22 [2018-09-19 16:17:26,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:17:26,413 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 55 transitions. [2018-09-19 16:17:26,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 16:17:26,414 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 55 transitions. [2018-09-19 16:17:26,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-19 16:17:26,416 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:17:26,416 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] [2018-09-19 16:17:26,417 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:17:26,417 INFO L82 PathProgramCache]: Analyzing trace with hash -641435038, now seen corresponding path program 1 times [2018-09-19 16:17:26,418 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:17:26,419 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-19 16:17:26,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-19 16:17:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:17:26,667 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:17:26,881 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 16:17:26,888 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 16:17:26,889 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:17:26,972 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:17:27,101 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 16:17:27,102 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-09-19 16:17:27,291 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 16:17:27,303 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 16:17:27,304 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:17:27,430 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:17:27,512 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 16:17:27,513 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:17 [2018-09-19 16:17:27,709 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-19 16:17:27,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2018-09-19 16:17:27,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-09-19 16:17:27,878 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:17:27,887 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:17:27,913 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-19 16:17:27,914 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:31 [2018-09-19 16:17:28,018 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 25 treesize of output 20 [2018-09-19 16:17:28,061 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:17:28,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-09-19 16:17:28,088 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:17:28,146 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:17:28,200 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-19 16:17:28,201 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:43, output treesize:39 [2018-09-19 16:17:28,339 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 66 treesize of output 50 [2018-09-19 16:17:28,383 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:17:28,417 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2018-09-19 16:17:28,418 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:17:28,457 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:17:28,544 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-19 16:17:28,545 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:84, output treesize:46 [2018-09-19 16:17:29,480 INFO L682 Elim1Store]: detected equality via solver [2018-09-19 16:17:29,481 INFO L682 Elim1Store]: detected equality via solver [2018-09-19 16:17:29,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 27 treesize of output 35 [2018-09-19 16:17:29,495 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:17:29,511 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2018-09-19 16:17:29,512 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:17:29,531 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:17:29,550 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 16:17:29,551 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-19 16:17:30,048 INFO L682 Elim1Store]: detected equality via solver [2018-09-19 16:17:30,048 INFO L682 Elim1Store]: detected equality via solver [2018-09-19 16:17:30,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 54 treesize of output 56 [2018-09-19 16:17:30,101 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:17:30,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2018-09-19 16:17:30,141 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:17:30,176 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:17:30,216 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-19 16:17:30,216 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:55 [2018-09-19 16:17:30,433 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 35 treesize of output 27 [2018-09-19 16:17:30,444 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:17:30,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2018-09-19 16:17:30,451 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:17:30,466 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:17:30,482 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 16:17:30,483 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:18 [2018-09-19 16:17:31,534 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 16:17:31,535 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:17:31,550 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:17:31,550 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2018-09-19 16:17:31,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-09-19 16:17:31,552 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-09-19 16:17:31,554 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2018-09-19 16:17:31,554 INFO L87 Difference]: Start difference. First operand 56 states and 55 transitions. Second operand 22 states. [2018-09-19 16:17:32,564 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-19 16:17:34,119 WARN L178 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2018-09-19 16:17:34,609 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2018-09-19 16:17:35,885 WARN L178 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-09-19 16:17:38,212 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-19 16:17:39,252 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-19 16:17:39,693 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-09-19 16:17:40,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:17:40,615 INFO L93 Difference]: Finished difference Result 56 states and 55 transitions. [2018-09-19 16:17:40,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-09-19 16:17:40,615 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 55 [2018-09-19 16:17:40,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:17:40,617 INFO L225 Difference]: With dead ends: 56 [2018-09-19 16:17:40,617 INFO L226 Difference]: Without dead ends: 0 [2018-09-19 16:17:40,620 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=176, Invalid=1630, Unknown=0, NotChecked=0, Total=1806 [2018-09-19 16:17:40,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-19 16:17:40,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-19 16:17:40,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-19 16:17:40,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-19 16:17:40,621 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2018-09-19 16:17:40,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:17:40,621 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-19 16:17:40,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-09-19 16:17:40,621 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-19 16:17:40,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-19 16:17:40,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-19 16:17:40,811 INFO L426 ceAbstractionStarter]: For program point fabs_doubleEXIT(lines 44 58) no Hoare annotation was computed. [2018-09-19 16:17:40,811 INFO L426 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-09-19 16:17:40,811 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-19 16:17:40,811 INFO L426 ceAbstractionStarter]: For program point L52-1(line 52) no Hoare annotation was computed. [2018-09-19 16:17:40,811 INFO L426 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-09-19 16:17:40,811 INFO L426 ceAbstractionStarter]: For program point L52-3(line 52) no Hoare annotation was computed. [2018-09-19 16:17:40,811 INFO L426 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-09-19 16:17:40,811 INFO L426 ceAbstractionStarter]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2018-09-19 16:17:40,812 INFO L422 ceAbstractionStarter]: At program point L46-3(lines 46 50) the Hoare annotation is: (= |fabs_double_#in~x| fabs_double_~x) [2018-09-19 16:17:40,812 INFO L426 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-09-19 16:17:40,812 INFO L426 ceAbstractionStarter]: For program point L55-1(line 55) no Hoare annotation was computed. [2018-09-19 16:17:40,812 INFO L429 ceAbstractionStarter]: At program point fabs_doubleENTRY(lines 44 58) the Hoare annotation is: true [2018-09-19 16:17:40,812 INFO L426 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-09-19 16:17:40,812 INFO L426 ceAbstractionStarter]: For program point L55-2(line 55) no Hoare annotation was computed. [2018-09-19 16:17:40,812 INFO L426 ceAbstractionStarter]: For program point L55-3(line 55) no Hoare annotation was computed. [2018-09-19 16:17:40,813 INFO L426 ceAbstractionStarter]: For program point L51(lines 51 56) no Hoare annotation was computed. [2018-09-19 16:17:40,813 INFO L426 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-09-19 16:17:40,813 INFO L426 ceAbstractionStarter]: For program point L51-2(lines 44 58) no Hoare annotation was computed. [2018-09-19 16:17:40,813 INFO L426 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-09-19 16:17:40,813 INFO L426 ceAbstractionStarter]: For program point L51-3(lines 51 56) no Hoare annotation was computed. [2018-09-19 16:17:40,813 INFO L426 ceAbstractionStarter]: For program point L47(line 47) no Hoare annotation was computed. [2018-09-19 16:17:40,813 INFO L426 ceAbstractionStarter]: For program point L49-2(line 49) no Hoare annotation was computed. [2018-09-19 16:17:40,813 INFO L426 ceAbstractionStarter]: For program point L47-1(line 47) no Hoare annotation was computed. [2018-09-19 16:17:40,814 INFO L426 ceAbstractionStarter]: For program point L47-2(line 47) no Hoare annotation was computed. [2018-09-19 16:17:40,814 INFO L426 ceAbstractionStarter]: For program point L47-3(line 47) no Hoare annotation was computed. [2018-09-19 16:17:40,814 INFO L426 ceAbstractionStarter]: For program point fabs_doubleFINAL(lines 44 58) no Hoare annotation was computed. [2018-09-19 16:17:40,814 INFO L426 ceAbstractionStarter]: For program point isnan_doubleENTRY(line 15) no Hoare annotation was computed. [2018-09-19 16:17:40,814 INFO L426 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 15) no Hoare annotation was computed. [2018-09-19 16:17:40,814 INFO L426 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 15) no Hoare annotation was computed. [2018-09-19 16:17:40,814 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:17:40,815 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:17:40,815 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:17:40,815 INFO L426 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-09-19 16:17:40,815 INFO L426 ceAbstractionStarter]: For program point L35-2(line 35) no Hoare annotation was computed. [2018-09-19 16:17:40,815 INFO L426 ceAbstractionStarter]: For program point L33-1(line 33) no Hoare annotation was computed. [2018-09-19 16:17:40,815 INFO L426 ceAbstractionStarter]: For program point L33-2(line 33) no Hoare annotation was computed. [2018-09-19 16:17:40,816 INFO L426 ceAbstractionStarter]: For program point L33-3(line 33) no Hoare annotation was computed. [2018-09-19 16:17:40,816 INFO L426 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-09-19 16:17:40,816 INFO L426 ceAbstractionStarter]: For program point L36-1(line 36) no Hoare annotation was computed. [2018-09-19 16:17:40,816 INFO L426 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-09-19 16:17:40,816 INFO L426 ceAbstractionStarter]: For program point L36-2(line 36) no Hoare annotation was computed. [2018-09-19 16:17:40,816 INFO L426 ceAbstractionStarter]: For program point L36-3(line 36) no Hoare annotation was computed. [2018-09-19 16:17:40,816 INFO L426 ceAbstractionStarter]: For program point L32-1(lines 32 37) no Hoare annotation was computed. [2018-09-19 16:17:40,816 INFO L422 ceAbstractionStarter]: At program point L32-3(lines 32 37) the Hoare annotation is: (= isinf_double_~x |isinf_double_#in~x|) [2018-09-19 16:17:40,816 INFO L426 ceAbstractionStarter]: For program point L32-4(lines 32 37) no Hoare annotation was computed. [2018-09-19 16:17:40,817 INFO L426 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 30 42) no Hoare annotation was computed. [2018-09-19 16:17:40,817 INFO L426 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 30 42) no Hoare annotation was computed. [2018-09-19 16:17:40,817 INFO L429 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 30 42) the Hoare annotation is: true [2018-09-19 16:17:40,817 INFO L426 ceAbstractionStarter]: For program point L35(line 35) no Hoare annotation was computed. [2018-09-19 16:17:40,817 INFO L426 ceAbstractionStarter]: For program point L35-1(line 35) no Hoare annotation was computed. [2018-09-19 16:17:40,817 INFO L426 ceAbstractionStarter]: For program point __signbit_doubleFINAL(lines 17 27) no Hoare annotation was computed. [2018-09-19 16:17:40,817 INFO L426 ceAbstractionStarter]: For program point __signbit_doubleEXIT(lines 17 27) no Hoare annotation was computed. [2018-09-19 16:17:40,817 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-19 16:17:40,817 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-19 16:17:40,818 INFO L426 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-09-19 16:17:40,818 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-19 16:17:40,818 INFO L426 ceAbstractionStarter]: For program point L23-2(line 23) no Hoare annotation was computed. [2018-09-19 16:17:40,818 INFO L426 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2018-09-19 16:17:40,818 INFO L426 ceAbstractionStarter]: For program point L21-2(line 21) no Hoare annotation was computed. [2018-09-19 16:17:40,818 INFO L426 ceAbstractionStarter]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2018-09-19 16:17:40,818 INFO L426 ceAbstractionStarter]: For program point L21-3(line 21) no Hoare annotation was computed. [2018-09-19 16:17:40,818 INFO L426 ceAbstractionStarter]: For program point L20-3(lines 20 24) no Hoare annotation was computed. [2018-09-19 16:17:40,818 INFO L426 ceAbstractionStarter]: For program point L20-4(lines 20 24) no Hoare annotation was computed. [2018-09-19 16:17:40,818 INFO L426 ceAbstractionStarter]: For program point __signbit_doubleENTRY(lines 17 27) no Hoare annotation was computed. [2018-09-19 16:17:40,819 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:17:40,819 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-19 16:17:40,819 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:17:40,819 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:17:40,819 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 60 78) the Hoare annotation is: true [2018-09-19 16:17:40,819 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 60 78) no Hoare annotation was computed. [2018-09-19 16:17:40,819 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2018-09-19 16:17:40,819 INFO L426 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-09-19 16:17:40,819 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 60 78) no Hoare annotation was computed. [2018-09-19 16:17:40,820 INFO L422 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (and (= (fp.div RNE ((_ to_fp 11 53) RNE 1.0) (_ +zero 11 53)) main_~x~0) (exists ((|v_q#valueAsBitvector_10| (_ BitVec 64)) (|v_q#valueAsBitvector_9| (_ BitVec 64))) (let ((.cse1 (fp.div RNE ((_ to_fp 11 53) RNE 1.0) (_ +zero 11 53)))) (and (= (let ((.cse0 (concat (bvand ((_ extract 63 32) |v_q#valueAsBitvector_9|) (_ bv2147483647 32)) ((_ extract 31 0) |v_q#valueAsBitvector_10|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) main_~res~0) (= .cse1 (fp ((_ extract 63 63) |v_q#valueAsBitvector_10|) ((_ extract 62 52) |v_q#valueAsBitvector_10|) ((_ extract 51 0) |v_q#valueAsBitvector_10|))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|)) .cse1))))) [2018-09-19 16:17:40,820 INFO L426 ceAbstractionStarter]: For program point L72-1(lines 72 75) no Hoare annotation was computed. [2018-09-19 16:17:40,820 INFO L422 ceAbstractionStarter]: At program point L69(line 69) the Hoare annotation is: (= (fp.div RNE ((_ to_fp 11 53) RNE 1.0) (_ +zero 11 53)) main_~x~0) [2018-09-19 16:17:40,820 INFO L426 ceAbstractionStarter]: For program point L69-1(line 69) no Hoare annotation was computed. [2018-09-19 16:17:40,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 04:17:40 BoogieIcfgContainer [2018-09-19 16:17:40,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 16:17:40,834 INFO L168 Benchmark]: Toolchain (without parser) took 16326.95 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 697.8 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -373.7 MB). Peak memory consumption was 324.1 MB. Max. memory is 7.1 GB. [2018-09-19 16:17:40,835 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 16:17:40,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.44 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 16:17:40,837 INFO L168 Benchmark]: Boogie Preprocessor took 99.00 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 16:17:40,837 INFO L168 Benchmark]: RCFGBuilder took 981.15 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 697.8 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -731.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2018-09-19 16:17:40,838 INFO L168 Benchmark]: TraceAbstraction took 14803.98 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 347.4 MB). Peak memory consumption was 347.4 MB. Max. memory is 7.1 GB. [2018-09-19 16:17:40,842 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 427.44 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 99.00 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 981.15 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 697.8 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -731.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14803.98 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 347.4 MB). Peak memory consumption was 347.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 46]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 77 locations, 1 error locations. SAFE Result, 14.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 9.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 89 SDtfs, 41 SDslu, 461 SDs, 0 SdLazy, 421 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 86 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 75 ConstructedInterpolants, 39 QuantifiedInterpolants, 76851 SizeOfPredicates, 21 NumberOfNonLiveVariables, 159 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...