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_1092d_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 16:18:18,746 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 16:18:18,748 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 16:18:18,766 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 16:18:18,767 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 16:18:18,768 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 16:18:18,770 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 16:18:18,771 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 16:18:18,773 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 16:18:18,774 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 16:18:18,775 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 16:18:18,775 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 16:18:18,776 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 16:18:18,777 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 16:18:18,778 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 16:18:18,779 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 16:18:18,780 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 16:18:18,782 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 16:18:18,784 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 16:18:18,785 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 16:18:18,786 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 16:18:18,787 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 16:18:18,790 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 16:18:18,790 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 16:18:18,790 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 16:18:18,791 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 16:18:18,792 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 16:18:18,793 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 16:18:18,794 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 16:18:18,795 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 16:18:18,795 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 16:18:18,796 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 16:18:18,796 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 16:18:18,796 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 16:18:18,797 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 16:18:18,798 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 16:18:18,799 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 16:18:18,816 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 16:18:18,817 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 16:18:18,818 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 16:18:18,818 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 16:18:18,819 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 16:18:18,819 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 16:18:18,819 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 16:18:18,819 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 16:18:18,819 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 16:18:18,820 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 16:18:18,820 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 16:18:18,820 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 16:18:18,820 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 16:18:18,820 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 16:18:18,821 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 16:18:18,821 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 16:18:18,821 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 16:18:18,821 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 16:18:18,821 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 16:18:18,822 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 16:18:18,822 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 16:18:18,822 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 16:18:18,822 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 16:18:18,822 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 16:18:18,823 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 16:18:18,823 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 16:18:18,823 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 16:18:18,823 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 16:18:18,823 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 16:18:18,824 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 16:18:18,824 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 16:18:18,824 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 16:18:18,884 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 16:18:18,898 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 16:18:18,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 16:18:18,903 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 16:18:18,904 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 16:18:18,905 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1092d_true-unreach-call.c [2018-09-19 16:18:19,240 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/811fb2b01/c72a2216c7dc481a968cccb1840f9017/FLAG283ad3fc6 [2018-09-19 16:18:19,460 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 16:18:19,468 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1092d_true-unreach-call.c [2018-09-19 16:18:19,478 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/811fb2b01/c72a2216c7dc481a968cccb1840f9017/FLAG283ad3fc6 [2018-09-19 16:18:19,500 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/811fb2b01/c72a2216c7dc481a968cccb1840f9017 [2018-09-19 16:18:19,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 16:18:19,517 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 16:18:19,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 16:18:19,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 16:18:19,528 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 16:18:19,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:18:19" (1/1) ... [2018-09-19 16:18:19,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@159c67a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:19, skipping insertion in model container [2018-09-19 16:18:19,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:18:19" (1/1) ... [2018-09-19 16:18:19,545 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 16:18:19,787 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:18:19,818 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 16:18:19,872 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:18:19,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:19 WrapperNode [2018-09-19 16:18:19,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 16:18:19,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 16:18:19,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 16:18:19,919 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 16:18:19,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:19" (1/1) ... [2018-09-19 16:18:19,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:19" (1/1) ... [2018-09-19 16:18:19,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:19" (1/1) ... [2018-09-19 16:18:19,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:19" (1/1) ... [2018-09-19 16:18:19,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:19" (1/1) ... [2018-09-19 16:18:19,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:19" (1/1) ... [2018-09-19 16:18:19,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:19" (1/1) ... [2018-09-19 16:18:20,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 16:18:20,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 16:18:20,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 16:18:20,009 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 16:18:20,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:19" (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 16:18:20,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 16:18:20,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 16:18:20,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2018-09-19 16:18:20,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-19 16:18:20,160 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 16:18:20,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 16:18:20,160 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2018-09-19 16:18:20,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 16:18:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-19 16:18:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 16:18:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 16:18:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 16:18:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-19 16:18:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-19 16:18:20,162 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 16:18:20,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 16:18:20,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 16:18:20,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-19 16:18:20,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 16:18:20,388 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:18:20,445 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:18:20,505 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:18:21,073 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:18:21,092 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:18:21,105 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:18:22,153 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 16:18:22,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:18:22 BoogieIcfgContainer [2018-09-19 16:18:22,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 16:18:22,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 16:18:22,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 16:18:22,158 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 16:18:22,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 04:18:19" (1/3) ... [2018-09-19 16:18:22,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14ed6208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:18:22, skipping insertion in model container [2018-09-19 16:18:22,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:19" (2/3) ... [2018-09-19 16:18:22,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14ed6208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:18:22, skipping insertion in model container [2018-09-19 16:18:22,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:18:22" (3/3) ... [2018-09-19 16:18:22,162 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092d_true-unreach-call.c [2018-09-19 16:18:22,172 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 16:18:22,184 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 16:18:22,232 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 16:18:22,233 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 16:18:22,233 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 16:18:22,234 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 16:18:22,234 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 16:18:22,234 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 16:18:22,234 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 16:18:22,234 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 16:18:22,235 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 16:18:22,255 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2018-09-19 16:18:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-19 16:18:22,264 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:18:22,265 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] [2018-09-19 16:18:22,268 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:18:22,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1524052211, now seen corresponding path program 1 times [2018-09-19 16:18:22,278 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:18:22,279 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-19 16:18:22,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:18:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:18:22,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:18:22,424 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 16:18:22,425 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:18:22,442 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:18:22,442 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 16:18:22,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 16:18:22,460 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 16:18:22,460 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:18:22,463 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 2 states. [2018-09-19 16:18:22,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:18:22,493 INFO L93 Difference]: Finished difference Result 158 states and 201 transitions. [2018-09-19 16:18:22,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 16:18:22,494 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-09-19 16:18:22,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:18:22,506 INFO L225 Difference]: With dead ends: 158 [2018-09-19 16:18:22,506 INFO L226 Difference]: Without dead ends: 79 [2018-09-19 16:18:22,511 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 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 16:18:22,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-09-19 16:18:22,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-09-19 16:18:22,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-09-19 16:18:22,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 93 transitions. [2018-09-19 16:18:22,569 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 93 transitions. Word has length 24 [2018-09-19 16:18:22,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:18:22,570 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 93 transitions. [2018-09-19 16:18:22,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 16:18:22,570 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2018-09-19 16:18:22,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-19 16:18:22,573 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:18:22,573 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] [2018-09-19 16:18:22,573 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:18:22,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1259911131, now seen corresponding path program 1 times [2018-09-19 16:18:22,575 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:18:22,575 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 16:18:22,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:18:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:18:22,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:18:23,546 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-09-19 16:18:24,051 INFO L682 Elim1Store]: detected equality via solver [2018-09-19 16:18:24,061 INFO L682 Elim1Store]: detected equality via solver [2018-09-19 16:18:24,067 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 16:18:24,092 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:18:24,195 INFO L303 Elim1Store]: Index analysis took 124 ms [2018-09-19 16:18:24,197 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 16:18:24,198 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:24,303 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:24,352 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 16:18:24,353 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-19 16:18:25,253 INFO L682 Elim1Store]: detected equality via solver [2018-09-19 16:18:25,253 INFO L682 Elim1Store]: detected equality via solver [2018-09-19 16:18:25,255 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 16:18:25,299 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:18:25,317 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 16:18:25,319 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:25,374 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:25,464 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 16:18:25,464 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:55 [2018-09-19 16:18:25,839 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 16:18:25,846 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:18:25,852 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 16:18:25,854 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:25,867 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:25,976 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 16:18:25,976 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:18 [2018-09-19 16:18:27,331 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 16:18:27,331 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:18:27,351 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:18:27,351 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-19 16:18:27,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-19 16:18:27,354 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-19 16:18:27,354 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2018-09-19 16:18:27,355 INFO L87 Difference]: Start difference. First operand 79 states and 93 transitions. Second operand 15 states. [2018-09-19 16:18:29,459 WARN L178 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-19 16:18:41,291 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-09-19 16:18:44,617 WARN L178 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 31 [2018-09-19 16:18:45,542 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-19 16:18:47,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:18:47,758 INFO L93 Difference]: Finished difference Result 88 states and 102 transitions. [2018-09-19 16:18:47,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-19 16:18:47,759 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 50 [2018-09-19 16:18:47,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:18:47,764 INFO L225 Difference]: With dead ends: 88 [2018-09-19 16:18:47,764 INFO L226 Difference]: Without dead ends: 81 [2018-09-19 16:18:47,766 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=109, Invalid=647, Unknown=0, NotChecked=0, Total=756 [2018-09-19 16:18:47,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-09-19 16:18:47,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2018-09-19 16:18:47,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-09-19 16:18:47,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 92 transitions. [2018-09-19 16:18:47,783 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 92 transitions. Word has length 50 [2018-09-19 16:18:47,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:18:47,783 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 92 transitions. [2018-09-19 16:18:47,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-19 16:18:47,783 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2018-09-19 16:18:47,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-19 16:18:47,785 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:18:47,786 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] [2018-09-19 16:18:47,786 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:18:47,786 INFO L82 PathProgramCache]: Analyzing trace with hash -817298212, now seen corresponding path program 1 times [2018-09-19 16:18:47,787 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:18:47,787 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 16:18:47,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:18:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:18:47,878 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:18:47,913 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 16:18:47,921 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 16:18:47,921 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:47,926 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:47,942 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 16:18:47,943 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-19 16:18:47,984 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 16:18:47,991 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 16:18:47,991 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:47,995 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:48,005 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 16:18:48,006 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-19 16:18:48,258 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 16:18:48,259 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:18:48,270 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:18:48,270 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:18:48,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:18:48,271 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:18:48,271 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:18:48,271 INFO L87 Difference]: Start difference. First operand 79 states and 92 transitions. Second operand 9 states. [2018-09-19 16:18:53,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:18:53,619 INFO L93 Difference]: Finished difference Result 99 states and 112 transitions. [2018-09-19 16:18:53,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 16:18:53,625 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2018-09-19 16:18:53,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:18:53,625 INFO L225 Difference]: With dead ends: 99 [2018-09-19 16:18:53,626 INFO L226 Difference]: Without dead ends: 0 [2018-09-19 16:18:53,627 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-09-19 16:18:53,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-19 16:18:53,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-19 16:18:53,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-19 16:18:53,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-19 16:18:53,628 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2018-09-19 16:18:53,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:18:53,628 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-19 16:18:53,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:18:53,628 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-19 16:18:53,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-19 16:18:53,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-19 16:18:53,910 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:18:53,910 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:18:53,910 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:18:53,911 INFO L426 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-09-19 16:18:53,911 INFO L426 ceAbstractionStarter]: For program point L87-1(line 87) no Hoare annotation was computed. [2018-09-19 16:18:53,911 INFO L426 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-09-19 16:18:53,911 INFO L426 ceAbstractionStarter]: For program point L87-2(line 87) no Hoare annotation was computed. [2018-09-19 16:18:53,911 INFO L426 ceAbstractionStarter]: For program point L87-3(line 87) no Hoare annotation was computed. [2018-09-19 16:18:53,911 INFO L426 ceAbstractionStarter]: For program point L83-1(lines 83 88) no Hoare annotation was computed. [2018-09-19 16:18:53,911 INFO L422 ceAbstractionStarter]: At program point L83-3(lines 83 88) the Hoare annotation is: (= isinf_double_~x |isinf_double_#in~x|) [2018-09-19 16:18:53,912 INFO L426 ceAbstractionStarter]: For program point L83-4(lines 83 88) no Hoare annotation was computed. [2018-09-19 16:18:53,912 INFO L426 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-09-19 16:18:53,912 INFO L426 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-09-19 16:18:53,912 INFO L426 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-09-19 16:18:53,912 INFO L426 ceAbstractionStarter]: For program point L86-2(line 86) no Hoare annotation was computed. [2018-09-19 16:18:53,913 INFO L426 ceAbstractionStarter]: For program point L84-1(line 84) no Hoare annotation was computed. [2018-09-19 16:18:53,914 INFO L426 ceAbstractionStarter]: For program point L84-2(line 84) no Hoare annotation was computed. [2018-09-19 16:18:53,914 INFO L426 ceAbstractionStarter]: For program point L84-3(line 84) no Hoare annotation was computed. [2018-09-19 16:18:53,914 INFO L426 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 81 93) no Hoare annotation was computed. [2018-09-19 16:18:53,914 INFO L426 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 81 93) no Hoare annotation was computed. [2018-09-19 16:18:53,916 INFO L429 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 81 93) the Hoare annotation is: true [2018-09-19 16:18:53,916 INFO L426 ceAbstractionStarter]: For program point L27(lines 27 47) no Hoare annotation was computed. [2018-09-19 16:18:53,916 INFO L426 ceAbstractionStarter]: For program point L19-1(lines 19 24) no Hoare annotation was computed. [2018-09-19 16:18:53,917 INFO L422 ceAbstractionStarter]: At program point L19-3(lines 19 24) the Hoare annotation is: (= |ceil_double_#in~x| ceil_double_~x) [2018-09-19 16:18:53,917 INFO L426 ceAbstractionStarter]: For program point L19-4(lines 19 24) no Hoare annotation was computed. [2018-09-19 16:18:53,917 INFO L426 ceAbstractionStarter]: For program point L28(lines 28 36) no Hoare annotation was computed. [2018-09-19 16:18:53,917 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-19 16:18:53,917 INFO L426 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-09-19 16:18:53,917 INFO L426 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-09-19 16:18:53,917 INFO L426 ceAbstractionStarter]: For program point L20-3(line 20) no Hoare annotation was computed. [2018-09-19 16:18:53,918 INFO L426 ceAbstractionStarter]: For program point L29(lines 29 35) no Hoare annotation was computed. [2018-09-19 16:18:53,918 INFO L429 ceAbstractionStarter]: At program point ceil_doubleENTRY(lines 16 78) the Hoare annotation is: true [2018-09-19 16:18:53,918 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-19 16:18:53,918 INFO L426 ceAbstractionStarter]: For program point L71(lines 71 76) no Hoare annotation was computed. [2018-09-19 16:18:53,918 INFO L426 ceAbstractionStarter]: For program point L71-2(lines 16 78) no Hoare annotation was computed. [2018-09-19 16:18:53,918 INFO L426 ceAbstractionStarter]: For program point ceil_doubleFINAL(lines 16 78) no Hoare annotation was computed. [2018-09-19 16:18:53,918 INFO L426 ceAbstractionStarter]: For program point L71-3(lines 71 76) no Hoare annotation was computed. [2018-09-19 16:18:53,919 INFO L426 ceAbstractionStarter]: For program point ceil_doubleEXIT(lines 16 78) no Hoare annotation was computed. [2018-09-19 16:18:53,919 INFO L426 ceAbstractionStarter]: For program point L63(lines 63 64) no Hoare annotation was computed. [2018-09-19 16:18:53,919 INFO L426 ceAbstractionStarter]: For program point L63-2(lines 63 64) no Hoare annotation was computed. [2018-09-19 16:18:53,919 INFO L426 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-09-19 16:18:53,919 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-19 16:18:53,919 INFO L426 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-09-19 16:18:53,919 INFO L426 ceAbstractionStarter]: For program point L22-2(line 22) no Hoare annotation was computed. [2018-09-19 16:18:53,920 INFO L426 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-09-19 16:18:53,920 INFO L426 ceAbstractionStarter]: For program point L39(lines 39 40) no Hoare annotation was computed. [2018-09-19 16:18:53,920 INFO L426 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-09-19 16:18:53,920 INFO L426 ceAbstractionStarter]: For program point L72-2(line 72) no Hoare annotation was computed. [2018-09-19 16:18:53,920 INFO L426 ceAbstractionStarter]: For program point L72-3(line 72) no Hoare annotation was computed. [2018-09-19 16:18:53,921 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-19 16:18:53,922 INFO L426 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-09-19 16:18:53,922 INFO L426 ceAbstractionStarter]: For program point L23-2(line 23) no Hoare annotation was computed. [2018-09-19 16:18:53,922 INFO L426 ceAbstractionStarter]: For program point L23-3(line 23) no Hoare annotation was computed. [2018-09-19 16:18:53,922 INFO L426 ceAbstractionStarter]: For program point L48(lines 48 70) no Hoare annotation was computed. [2018-09-19 16:18:53,922 INFO L426 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-09-19 16:18:53,922 INFO L426 ceAbstractionStarter]: For program point L32(lines 32 35) no Hoare annotation was computed. [2018-09-19 16:18:53,922 INFO L426 ceAbstractionStarter]: For program point L57(lines 57 69) no Hoare annotation was computed. [2018-09-19 16:18:53,923 INFO L426 ceAbstractionStarter]: For program point L49(lines 49 52) no Hoare annotation was computed. [2018-09-19 16:18:53,923 INFO L426 ceAbstractionStarter]: For program point L74(line 74) no Hoare annotation was computed. [2018-09-19 16:18:53,923 INFO L426 ceAbstractionStarter]: For program point L41(lines 41 46) no Hoare annotation was computed. [2018-09-19 16:18:53,923 INFO L426 ceAbstractionStarter]: For program point L58(lines 58 67) no Hoare annotation was computed. [2018-09-19 16:18:53,923 INFO L426 ceAbstractionStarter]: For program point L58-1(lines 58 67) no Hoare annotation was computed. [2018-09-19 16:18:53,923 INFO L426 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-09-19 16:18:53,923 INFO L426 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-09-19 16:18:53,924 INFO L426 ceAbstractionStarter]: For program point L75-1(line 75) no Hoare annotation was computed. [2018-09-19 16:18:53,924 INFO L426 ceAbstractionStarter]: For program point L75-2(line 75) no Hoare annotation was computed. [2018-09-19 16:18:53,924 INFO L426 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-09-19 16:18:53,924 INFO L426 ceAbstractionStarter]: For program point L75-3(line 75) no Hoare annotation was computed. [2018-09-19 16:18:53,924 INFO L426 ceAbstractionStarter]: For program point L59(lines 59 66) no Hoare annotation was computed. [2018-09-19 16:18:53,924 INFO L426 ceAbstractionStarter]: For program point L26(lines 26 70) no Hoare annotation was computed. [2018-09-19 16:18:53,928 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:18:53,928 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-19 16:18:53,928 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:18:53,928 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:18:53,928 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 95 113) the Hoare annotation is: true [2018-09-19 16:18:53,929 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 95 113) no Hoare annotation was computed. [2018-09-19 16:18:53,929 INFO L426 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-09-19 16:18:53,929 INFO L422 ceAbstractionStarter]: At program point L107(line 107) the Hoare annotation is: (let ((.cse0 (fp.div RNE (fp.neg ((_ to_fp 11 53) RNE 1.0)) (_ +zero 11 53)))) (and (= .cse0 main_~x~0) (= (fp.add RNE .cse0 .cse0) main_~res~0))) [2018-09-19 16:18:53,929 INFO L426 ceAbstractionStarter]: For program point L107-1(lines 107 110) no Hoare annotation was computed. [2018-09-19 16:18:53,930 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 108) no Hoare annotation was computed. [2018-09-19 16:18:53,930 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 95 113) no Hoare annotation was computed. [2018-09-19 16:18:53,930 INFO L422 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (= (fp.div RNE (fp.neg ((_ to_fp 11 53) RNE 1.0)) (_ +zero 11 53)) main_~x~0) [2018-09-19 16:18:53,930 INFO L426 ceAbstractionStarter]: For program point L104-1(line 104) no Hoare annotation was computed. [2018-09-19 16:18:53,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 04:18:53 BoogieIcfgContainer [2018-09-19 16:18:53,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 16:18:53,955 INFO L168 Benchmark]: Toolchain (without parser) took 34441.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 728.2 MB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -473.5 MB). Peak memory consumption was 254.7 MB. Max. memory is 7.1 GB. [2018-09-19 16:18:53,956 INFO L168 Benchmark]: CDTParser took 0.21 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 16:18:53,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.94 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 16:18:53,958 INFO L168 Benchmark]: Boogie Preprocessor took 89.96 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 16:18:53,958 INFO L168 Benchmark]: RCFGBuilder took 2144.97 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 728.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -768.7 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2018-09-19 16:18:53,959 INFO L168 Benchmark]: TraceAbstraction took 31799.12 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: 284.6 MB). Peak memory consumption was 284.6 MB. Max. memory is 7.1 GB. [2018-09-19 16:18:53,964 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 396.94 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 89.96 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 2144.97 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 728.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -768.7 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31799.12 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: 284.6 MB). Peak memory consumption was 284.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 108]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 83 locations, 1 error locations. SAFE Result, 31.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 25.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 201 SDtfs, 269 SDslu, 832 SDs, 0 SdLazy, 467 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 49 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 121 ConstructedInterpolants, 32 QuantifiedInterpolants, 47128 SizeOfPredicates, 19 NumberOfNonLiveVariables, 263 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...