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_1092c_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 16:18:16,348 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 16:18:16,350 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 16:18:16,362 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 16:18:16,362 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 16:18:16,364 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 16:18:16,365 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 16:18:16,367 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 16:18:16,369 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 16:18:16,370 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 16:18:16,371 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 16:18:16,371 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 16:18:16,372 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 16:18:16,373 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 16:18:16,374 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 16:18:16,375 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 16:18:16,376 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 16:18:16,378 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 16:18:16,381 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 16:18:16,382 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 16:18:16,384 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 16:18:16,385 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 16:18:16,388 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 16:18:16,388 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 16:18:16,388 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 16:18:16,390 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 16:18:16,391 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 16:18:16,392 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 16:18:16,393 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 16:18:16,394 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 16:18:16,394 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 16:18:16,395 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 16:18:16,395 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 16:18:16,396 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 16:18:16,397 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 16:18:16,398 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 16:18:16,398 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 16:18:16,414 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 16:18:16,415 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 16:18:16,416 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 16:18:16,416 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 16:18:16,417 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 16:18:16,417 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 16:18:16,417 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 16:18:16,418 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 16:18:16,418 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 16:18:16,418 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 16:18:16,418 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 16:18:16,418 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 16:18:16,419 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 16:18:16,419 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 16:18:16,419 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 16:18:16,419 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 16:18:16,420 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 16:18:16,420 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 16:18:16,420 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 16:18:16,420 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 16:18:16,420 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 16:18:16,421 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 16:18:16,421 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 16:18:16,421 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 16:18:16,421 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 16:18:16,422 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 16:18:16,422 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 16:18:16,422 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 16:18:16,422 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 16:18:16,422 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 16:18:16,423 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 16:18:16,423 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 16:18:16,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 16:18:16,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 16:18:16,501 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 16:18:16,503 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 16:18:16,504 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 16:18:16,505 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1092c_true-unreach-call.c [2018-09-19 16:18:16,891 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3297b1d4/2926901fe62e4940800f7f94883e413b/FLAG55bd9cae1 [2018-09-19 16:18:17,059 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 16:18:17,060 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1092c_true-unreach-call.c [2018-09-19 16:18:17,070 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3297b1d4/2926901fe62e4940800f7f94883e413b/FLAG55bd9cae1 [2018-09-19 16:18:17,091 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3297b1d4/2926901fe62e4940800f7f94883e413b [2018-09-19 16:18:17,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 16:18:17,104 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 16:18:17,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 16:18:17,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 16:18:17,113 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 16:18:17,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:18:17" (1/1) ... [2018-09-19 16:18:17,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:17, skipping insertion in model container [2018-09-19 16:18:17,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:18:17" (1/1) ... [2018-09-19 16:18:17,132 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 16:18:17,386 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:18:17,405 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 16:18:17,445 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:18:17,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:17 WrapperNode [2018-09-19 16:18:17,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 16:18:17,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 16:18:17,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 16:18:17,492 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 16:18:17,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:17" (1/1) ... [2018-09-19 16:18:17,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:17" (1/1) ... [2018-09-19 16:18:17,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:17" (1/1) ... [2018-09-19 16:18:17,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:17" (1/1) ... [2018-09-19 16:18:17,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:17" (1/1) ... [2018-09-19 16:18:17,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:17" (1/1) ... [2018-09-19 16:18:17,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:17" (1/1) ... [2018-09-19 16:18:17,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 16:18:17,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 16:18:17,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 16:18:17,549 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 16:18:17,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:17" (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 16:18:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 16:18:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 16:18:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2018-09-19 16:18:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-19 16:18:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 16:18:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 16:18:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2018-09-19 16:18:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 16:18:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-19 16:18:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 16:18:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 16:18:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 16:18:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-19 16:18:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-19 16:18:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 16:18:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 16:18:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 16:18:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 16:18:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-19 16:18:17,895 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:18:17,947 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:18:18,011 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:18:18,483 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:18:18,497 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:18:18,515 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:18:19,612 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 16:18:19,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:18:19 BoogieIcfgContainer [2018-09-19 16:18:19,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 16:18:19,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 16:18:19,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 16:18:19,618 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 16:18:19,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 04:18:17" (1/3) ... [2018-09-19 16:18:19,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f0ab20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:18:19, skipping insertion in model container [2018-09-19 16:18:19,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:17" (2/3) ... [2018-09-19 16:18:19,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f0ab20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:18:19, skipping insertion in model container [2018-09-19 16:18:19,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:18:19" (3/3) ... [2018-09-19 16:18:19,622 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092c_true-unreach-call.c [2018-09-19 16:18:19,633 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 16:18:19,641 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 16:18:19,686 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 16:18:19,687 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 16:18:19,687 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 16:18:19,687 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 16:18:19,688 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 16:18:19,688 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 16:18:19,688 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 16:18:19,688 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 16:18:19,689 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 16:18:19,709 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2018-09-19 16:18:19,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-19 16:18:19,718 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:18:19,719 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 16:18:19,721 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:18:19,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1524052211, now seen corresponding path program 1 times [2018-09-19 16:18:19,732 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:18:19,733 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 16:18:19,742 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 16:18:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:18:19,853 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:18:19,879 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 16:18:19,879 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:18:19,899 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:18:19,900 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 16:18:19,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 16:18:19,916 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 16:18:19,916 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:18:19,919 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 2 states. [2018-09-19 16:18:19,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:18:19,954 INFO L93 Difference]: Finished difference Result 158 states and 201 transitions. [2018-09-19 16:18:19,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 16:18:19,955 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-09-19 16:18:19,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:18:19,967 INFO L225 Difference]: With dead ends: 158 [2018-09-19 16:18:19,968 INFO L226 Difference]: Without dead ends: 79 [2018-09-19 16:18:19,972 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 16:18:19,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-09-19 16:18:20,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-09-19 16:18:20,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-09-19 16:18:20,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 93 transitions. [2018-09-19 16:18:20,020 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 93 transitions. Word has length 24 [2018-09-19 16:18:20,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:18:20,021 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 93 transitions. [2018-09-19 16:18:20,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 16:18:20,021 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2018-09-19 16:18:20,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-19 16:18:20,024 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:18:20,024 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 16:18:20,024 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:18:20,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1259911131, now seen corresponding path program 1 times [2018-09-19 16:18:20,026 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:18:20,026 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 16:18:20,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:18:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:18:20,231 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:18:21,604 INFO L682 Elim1Store]: detected equality via solver [2018-09-19 16:18:21,608 INFO L682 Elim1Store]: detected equality via solver [2018-09-19 16:18:21,615 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 16:18:21,668 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:18:21,758 INFO L303 Elim1Store]: Index analysis took 140 ms [2018-09-19 16:18:21,760 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 16:18:21,761 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:21,865 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:21,906 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 16:18:21,906 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-19 16:18:23,083 INFO L682 Elim1Store]: detected equality via solver [2018-09-19 16:18:23,085 INFO L682 Elim1Store]: detected equality via solver [2018-09-19 16:18:23,087 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 16:18:23,131 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:18:23,150 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 16:18:23,151 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:23,197 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:23,257 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 16:18:23,258 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:55 [2018-09-19 16:18:23,501 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 16:18:23,508 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:18:23,515 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 16:18:23,516 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:23,527 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:23,547 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 16:18:23,548 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:18 [2018-09-19 16:18:24,828 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 16:18:24,828 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:18:24,843 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:18:24,844 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-19 16:18:24,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-19 16:18:24,846 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-19 16:18:24,848 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2018-09-19 16:18:24,848 INFO L87 Difference]: Start difference. First operand 79 states and 93 transitions. Second operand 15 states. [2018-09-19 16:18:26,948 WARN L178 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-19 16:18:40,009 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-19 16:18:42,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:18:42,125 INFO L93 Difference]: Finished difference Result 88 states and 102 transitions. [2018-09-19 16:18:42,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-19 16:18:42,126 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 50 [2018-09-19 16:18:42,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:18:42,131 INFO L225 Difference]: With dead ends: 88 [2018-09-19 16:18:42,131 INFO L226 Difference]: Without dead ends: 81 [2018-09-19 16:18:42,133 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=109, Invalid=647, Unknown=0, NotChecked=0, Total=756 [2018-09-19 16:18:42,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-09-19 16:18:42,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2018-09-19 16:18:42,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-09-19 16:18:42,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 92 transitions. [2018-09-19 16:18:42,148 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 92 transitions. Word has length 50 [2018-09-19 16:18:42,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:18:42,148 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 92 transitions. [2018-09-19 16:18:42,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-19 16:18:42,149 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2018-09-19 16:18:42,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-19 16:18:42,152 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:18:42,152 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 16:18:42,152 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:18:42,153 INFO L82 PathProgramCache]: Analyzing trace with hash -817298212, now seen corresponding path program 1 times [2018-09-19 16:18:42,153 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:18:42,154 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 16:18:42,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:18:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:18:42,243 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:18:42,284 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 16:18:42,291 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 16:18:42,292 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:42,297 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:42,312 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 16:18:42,313 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-19 16:18:42,369 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 16:18:42,374 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 16:18:42,375 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:42,403 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:42,419 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 16:18:42,420 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-19 16:18:42,714 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 16:18:42,715 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:18:42,731 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:18:42,731 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:18:42,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:18:42,732 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:18:42,732 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:18:42,732 INFO L87 Difference]: Start difference. First operand 79 states and 92 transitions. Second operand 9 states. [2018-09-19 16:18:46,651 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-19 16:18:48,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:18:48,153 INFO L93 Difference]: Finished difference Result 99 states and 112 transitions. [2018-09-19 16:18:48,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 16:18:48,154 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2018-09-19 16:18:48,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:18:48,155 INFO L225 Difference]: With dead ends: 99 [2018-09-19 16:18:48,155 INFO L226 Difference]: Without dead ends: 0 [2018-09-19 16:18:48,156 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 16:18:48,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-19 16:18:48,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-19 16:18:48,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-19 16:18:48,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-19 16:18:48,157 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2018-09-19 16:18:48,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:18:48,157 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-19 16:18:48,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:18:48,157 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-19 16:18:48,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-19 16:18:48,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-19 16:18:48,418 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:18:48,418 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:18:48,418 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:18:48,418 INFO L426 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-09-19 16:18:48,418 INFO L426 ceAbstractionStarter]: For program point L87-1(line 87) no Hoare annotation was computed. [2018-09-19 16:18:48,418 INFO L426 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-09-19 16:18:48,419 INFO L426 ceAbstractionStarter]: For program point L87-2(line 87) no Hoare annotation was computed. [2018-09-19 16:18:48,419 INFO L426 ceAbstractionStarter]: For program point L87-3(line 87) no Hoare annotation was computed. [2018-09-19 16:18:48,419 INFO L426 ceAbstractionStarter]: For program point L83-1(lines 83 88) no Hoare annotation was computed. [2018-09-19 16:18:48,419 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 16:18:48,419 INFO L426 ceAbstractionStarter]: For program point L83-4(lines 83 88) no Hoare annotation was computed. [2018-09-19 16:18:48,419 INFO L426 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-09-19 16:18:48,420 INFO L426 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-09-19 16:18:48,420 INFO L426 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-09-19 16:18:48,420 INFO L426 ceAbstractionStarter]: For program point L86-2(line 86) no Hoare annotation was computed. [2018-09-19 16:18:48,420 INFO L426 ceAbstractionStarter]: For program point L84-1(line 84) no Hoare annotation was computed. [2018-09-19 16:18:48,420 INFO L426 ceAbstractionStarter]: For program point L84-2(line 84) no Hoare annotation was computed. [2018-09-19 16:18:48,420 INFO L426 ceAbstractionStarter]: For program point L84-3(line 84) no Hoare annotation was computed. [2018-09-19 16:18:48,421 INFO L426 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 81 93) no Hoare annotation was computed. [2018-09-19 16:18:48,421 INFO L426 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 81 93) no Hoare annotation was computed. [2018-09-19 16:18:48,421 INFO L429 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 81 93) the Hoare annotation is: true [2018-09-19 16:18:48,421 INFO L426 ceAbstractionStarter]: For program point L27(lines 27 47) no Hoare annotation was computed. [2018-09-19 16:18:48,421 INFO L426 ceAbstractionStarter]: For program point L19-1(lines 19 24) no Hoare annotation was computed. [2018-09-19 16:18:48,421 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 16:18:48,422 INFO L426 ceAbstractionStarter]: For program point L19-4(lines 19 24) no Hoare annotation was computed. [2018-09-19 16:18:48,422 INFO L426 ceAbstractionStarter]: For program point L28(lines 28 36) no Hoare annotation was computed. [2018-09-19 16:18:48,422 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-19 16:18:48,422 INFO L426 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-09-19 16:18:48,422 INFO L426 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-09-19 16:18:48,422 INFO L426 ceAbstractionStarter]: For program point L20-3(line 20) no Hoare annotation was computed. [2018-09-19 16:18:48,423 INFO L426 ceAbstractionStarter]: For program point L29(lines 29 35) no Hoare annotation was computed. [2018-09-19 16:18:48,423 INFO L429 ceAbstractionStarter]: At program point ceil_doubleENTRY(lines 16 78) the Hoare annotation is: true [2018-09-19 16:18:48,423 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-19 16:18:48,423 INFO L426 ceAbstractionStarter]: For program point L71(lines 71 76) no Hoare annotation was computed. [2018-09-19 16:18:48,423 INFO L426 ceAbstractionStarter]: For program point L71-2(lines 16 78) no Hoare annotation was computed. [2018-09-19 16:18:48,423 INFO L426 ceAbstractionStarter]: For program point ceil_doubleFINAL(lines 16 78) no Hoare annotation was computed. [2018-09-19 16:18:48,424 INFO L426 ceAbstractionStarter]: For program point L71-3(lines 71 76) no Hoare annotation was computed. [2018-09-19 16:18:48,424 INFO L426 ceAbstractionStarter]: For program point ceil_doubleEXIT(lines 16 78) no Hoare annotation was computed. [2018-09-19 16:18:48,424 INFO L426 ceAbstractionStarter]: For program point L63(lines 63 64) no Hoare annotation was computed. [2018-09-19 16:18:48,424 INFO L426 ceAbstractionStarter]: For program point L63-2(lines 63 64) no Hoare annotation was computed. [2018-09-19 16:18:48,424 INFO L426 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-09-19 16:18:48,424 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-19 16:18:48,424 INFO L426 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-09-19 16:18:48,425 INFO L426 ceAbstractionStarter]: For program point L22-2(line 22) no Hoare annotation was computed. [2018-09-19 16:18:48,425 INFO L426 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-09-19 16:18:48,425 INFO L426 ceAbstractionStarter]: For program point L39(lines 39 40) no Hoare annotation was computed. [2018-09-19 16:18:48,425 INFO L426 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-09-19 16:18:48,425 INFO L426 ceAbstractionStarter]: For program point L72-2(line 72) no Hoare annotation was computed. [2018-09-19 16:18:48,425 INFO L426 ceAbstractionStarter]: For program point L72-3(line 72) no Hoare annotation was computed. [2018-09-19 16:18:48,425 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-19 16:18:48,425 INFO L426 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-09-19 16:18:48,425 INFO L426 ceAbstractionStarter]: For program point L23-2(line 23) no Hoare annotation was computed. [2018-09-19 16:18:48,426 INFO L426 ceAbstractionStarter]: For program point L23-3(line 23) no Hoare annotation was computed. [2018-09-19 16:18:48,426 INFO L426 ceAbstractionStarter]: For program point L48(lines 48 70) no Hoare annotation was computed. [2018-09-19 16:18:48,426 INFO L426 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-09-19 16:18:48,426 INFO L426 ceAbstractionStarter]: For program point L32(lines 32 35) no Hoare annotation was computed. [2018-09-19 16:18:48,426 INFO L426 ceAbstractionStarter]: For program point L57(lines 57 69) no Hoare annotation was computed. [2018-09-19 16:18:48,426 INFO L426 ceAbstractionStarter]: For program point L49(lines 49 52) no Hoare annotation was computed. [2018-09-19 16:18:48,426 INFO L426 ceAbstractionStarter]: For program point L74(line 74) no Hoare annotation was computed. [2018-09-19 16:18:48,426 INFO L426 ceAbstractionStarter]: For program point L41(lines 41 46) no Hoare annotation was computed. [2018-09-19 16:18:48,427 INFO L426 ceAbstractionStarter]: For program point L58(lines 58 67) no Hoare annotation was computed. [2018-09-19 16:18:48,427 INFO L426 ceAbstractionStarter]: For program point L58-1(lines 58 67) no Hoare annotation was computed. [2018-09-19 16:18:48,427 INFO L426 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-09-19 16:18:48,427 INFO L426 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-09-19 16:18:48,427 INFO L426 ceAbstractionStarter]: For program point L75-1(line 75) no Hoare annotation was computed. [2018-09-19 16:18:48,427 INFO L426 ceAbstractionStarter]: For program point L75-2(line 75) no Hoare annotation was computed. [2018-09-19 16:18:48,427 INFO L426 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-09-19 16:18:48,428 INFO L426 ceAbstractionStarter]: For program point L75-3(line 75) no Hoare annotation was computed. [2018-09-19 16:18:48,428 INFO L426 ceAbstractionStarter]: For program point L59(lines 59 66) no Hoare annotation was computed. [2018-09-19 16:18:48,428 INFO L426 ceAbstractionStarter]: For program point L26(lines 26 70) no Hoare annotation was computed. [2018-09-19 16:18:48,428 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:18:48,428 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-19 16:18:48,428 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:18:48,429 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:18:48,429 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 95 111) the Hoare annotation is: true [2018-09-19 16:18:48,429 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 95 111) no Hoare annotation was computed. [2018-09-19 16:18:48,429 INFO L426 ceAbstractionStarter]: For program point L107(line 107) no Hoare annotation was computed. [2018-09-19 16:18:48,429 INFO L422 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (fp.div RNE ((_ 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 16:18:48,430 INFO L426 ceAbstractionStarter]: For program point L106-1(lines 106 109) no Hoare annotation was computed. [2018-09-19 16:18:48,430 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 95 111) no Hoare annotation was computed. [2018-09-19 16:18:48,430 INFO L422 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (= (fp.div RNE ((_ to_fp 11 53) RNE 1.0) (_ +zero 11 53)) main_~x~0) [2018-09-19 16:18:48,430 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 107) no Hoare annotation was computed. [2018-09-19 16:18:48,430 INFO L426 ceAbstractionStarter]: For program point L104-1(line 104) no Hoare annotation was computed. [2018-09-19 16:18:48,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 04:18:48 BoogieIcfgContainer [2018-09-19 16:18:48,444 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 16:18:48,445 INFO L168 Benchmark]: Toolchain (without parser) took 31342.81 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -481.2 MB). Peak memory consumption was 267.5 MB. Max. memory is 7.1 GB. [2018-09-19 16:18:48,446 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 16:18:48,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.06 ms. Allocated memory is still 1.6 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 16:18:48,447 INFO L168 Benchmark]: Boogie Preprocessor took 56.94 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 16:18:48,448 INFO L168 Benchmark]: RCFGBuilder took 2064.33 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -786.5 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2018-09-19 16:18:48,449 INFO L168 Benchmark]: TraceAbstraction took 28829.76 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: 294.7 MB). Peak memory consumption was 294.7 MB. Max. memory is 7.1 GB. [2018-09-19 16:18:48,453 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 385.06 ms. Allocated memory is still 1.6 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 56.94 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 2064.33 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -786.5 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28829.76 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: 294.7 MB). Peak memory consumption was 294.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 107]: 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, 28.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 22.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 201 SDtfs, 269 SDslu, 832 SDs, 0 SdLazy, 467 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 9.1s 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, 45 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 121 ConstructedInterpolants, 32 QuantifiedInterpolants, 46736 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...