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-benchs/sqrt_poly2_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 15:40:07,470 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 15:40:07,472 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 15:40:07,486 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 15:40:07,486 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 15:40:07,487 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 15:40:07,489 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 15:40:07,491 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 15:40:07,493 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 15:40:07,494 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 15:40:07,495 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 15:40:07,495 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 15:40:07,496 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 15:40:07,497 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 15:40:07,499 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 15:40:07,500 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 15:40:07,501 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 15:40:07,503 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 15:40:07,505 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 15:40:07,507 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 15:40:07,508 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 15:40:07,510 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 15:40:07,512 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 15:40:07,513 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 15:40:07,513 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 15:40:07,514 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 15:40:07,515 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 15:40:07,516 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 15:40:07,517 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 15:40:07,518 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 15:40:07,519 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 15:40:07,520 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 15:40:07,520 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 15:40:07,520 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 15:40:07,522 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 15:40:07,525 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 15:40:07,526 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-19 15:40:07,557 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 15:40:07,558 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 15:40:07,559 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 15:40:07,560 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 15:40:07,563 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 15:40:07,563 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 15:40:07,564 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 15:40:07,564 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 15:40:07,564 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 15:40:07,564 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 15:40:07,564 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 15:40:07,565 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 15:40:07,565 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 15:40:07,565 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 15:40:07,565 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 15:40:07,567 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 15:40:07,567 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 15:40:07,567 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 15:40:07,567 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 15:40:07,568 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 15:40:07,568 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 15:40:07,568 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 15:40:07,568 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 15:40:07,570 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 15:40:07,570 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 15:40:07,570 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 15:40:07,570 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 15:40:07,570 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 15:40:07,571 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 15:40:07,571 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 15:40:07,571 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 15:40:07,571 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 15:40:07,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 15:40:07,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 15:40:07,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 15:40:07,667 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 15:40:07,668 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 15:40:07,669 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/sqrt_poly2_false-unreach-call.c [2018-09-19 15:40:08,044 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8dc616dd/174d3276f27247ffbb5c19d7240047dc/FLAGe2cddcff7 [2018-09-19 15:40:08,214 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 15:40:08,215 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/sqrt_poly2_false-unreach-call.c [2018-09-19 15:40:08,222 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8dc616dd/174d3276f27247ffbb5c19d7240047dc/FLAGe2cddcff7 [2018-09-19 15:40:08,240 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8dc616dd/174d3276f27247ffbb5c19d7240047dc [2018-09-19 15:40:08,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 15:40:08,255 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 15:40:08,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 15:40:08,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 15:40:08,264 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 15:40:08,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:40:08" (1/1) ... [2018-09-19 15:40:08,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@237e238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:08, skipping insertion in model container [2018-09-19 15:40:08,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:40:08" (1/1) ... [2018-09-19 15:40:08,281 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 15:40:08,549 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:40:08,576 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 15:40:08,617 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:40:08,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:08 WrapperNode [2018-09-19 15:40:08,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 15:40:08,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 15:40:08,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 15:40:08,679 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 15:40:08,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:08" (1/1) ... [2018-09-19 15:40:08,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:08" (1/1) ... [2018-09-19 15:40:08,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:08" (1/1) ... [2018-09-19 15:40:08,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:08" (1/1) ... [2018-09-19 15:40:08,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:08" (1/1) ... [2018-09-19 15:40:08,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:08" (1/1) ... [2018-09-19 15:40:08,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:08" (1/1) ... [2018-09-19 15:40:08,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 15:40:08,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 15:40:08,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 15:40:08,750 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 15:40:08,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 15:40:08,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 15:40:08,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 15:40:08,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-19 15:40:08,899 INFO L138 BoogieDeclarations]: Found implementation of procedure sqrt_custom [2018-09-19 15:40:08,899 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 15:40:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 15:40:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-19 15:40:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-09-19 15:40:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-19 15:40:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt_custom [2018-09-19 15:40:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 15:40:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-19 15:40:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 15:40:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 15:40:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-19 15:40:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 15:40:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 15:40:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 15:40:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 15:40:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-19 15:40:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 15:40:09,303 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:40:09,338 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:40:12,630 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 15:40:12,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:40:12 BoogieIcfgContainer [2018-09-19 15:40:12,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 15:40:12,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 15:40:12,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 15:40:12,636 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 15:40:12,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 03:40:08" (1/3) ... [2018-09-19 15:40:12,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb3438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:40:12, skipping insertion in model container [2018-09-19 15:40:12,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:08" (2/3) ... [2018-09-19 15:40:12,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb3438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:40:12, skipping insertion in model container [2018-09-19 15:40:12,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:40:12" (3/3) ... [2018-09-19 15:40:12,640 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt_poly2_false-unreach-call.c [2018-09-19 15:40:12,651 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 15:40:12,660 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 15:40:12,715 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 15:40:12,716 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 15:40:12,717 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 15:40:12,717 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 15:40:12,717 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 15:40:12,717 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 15:40:12,718 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 15:40:12,718 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 15:40:12,718 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 15:40:12,739 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2018-09-19 15:40:12,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-19 15:40:12,748 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:40:12,749 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] [2018-09-19 15:40:12,752 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:40:12,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1706602143, now seen corresponding path program 1 times [2018-09-19 15:40:12,764 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:40:12,765 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 15:40:12,779 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 15:40:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-19 15:40:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-19 15:40:19,272 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 15:40:19,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 03:40:19 BoogieIcfgContainer [2018-09-19 15:40:19,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 15:40:19,401 INFO L168 Benchmark]: Toolchain (without parser) took 11148.12 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -754.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 15:40:19,403 INFO L168 Benchmark]: CDTParser took 0.25 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 15:40:19,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.43 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 15:40:19,407 INFO L168 Benchmark]: Boogie Preprocessor took 70.52 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 15:40:19,412 INFO L168 Benchmark]: RCFGBuilder took 3881.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -787.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2018-09-19 15:40:19,413 INFO L168 Benchmark]: TraceAbstraction took 6767.05 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2018-09-19 15:40:19,423 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 421.43 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 70.52 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 3881.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -787.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6767.05 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 9]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] double C0 = 1.414213538; [L13] double C1 = 0.229761391; [L14] double C2 = 1.296735525; [L15] double C3 = -0.901098370; [L16] double C4 = 0.493553400; [L17] double C5 = -0.118958666; VAL [\old(C0)=0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030, \old(C1)=0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, \old(C2)=0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000015, \old(C3)=0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020, \old(C4)=0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000025, \old(C5)=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000049, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666] [L53] double x,y; [L55] x = __VERIFIER_nondet_double() [L58] CALL, EXPR sqrt_custom(x) VAL [\old(a)=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666] [L26] FCALL union u x; VAL [\old(a)=1.4920893909219899, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, x={2:0}] [L27] double r; [L28] int exp; VAL [\old(a)=1.4920893909219899, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, x={2:0}] [L30] FCALL x.d = a VAL [\old(a)=1.4920893909219899, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, x={2:0}] [L32] EXPR, FCALL x.i[0] VAL [\old(a)=1.4920893909219899, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, x={2:0}, x.i[0]=537624320] [L32] exp = (x.i[0] & 0x7FF00000) >> 20 VAL [\old(a)=1.4920893909219899, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, exp=512, x={2:0}, x.i[0]=537624320] [L32] FCALL exp = (x.i[0] & 0x7FF00000) >> 20 VAL [\old(a)=1.4920893909219899, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, exp=512, exp = (x.i[0] & 0x7FF00000) >> 20=1.4920893909219899, x={2:0}, x.i[0]=537624320] [L33] EXPR, FCALL x.i[0] VAL [\old(a)=1.4920893909219899, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, exp=512, x={2:0}, x.i[0]=537624320] [L33] FCALL x.i[0] = (x.i[0] & 0x800FFFFF) | 0x3FF00000 VAL [\old(a)=1.4920893909219899, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, exp=512, x={2:0}, x.i[0]=537624320] [L34] EXPR, FCALL x.d VAL [\old(a)=1.4920893909219899, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, exp=512, x={2:0}, x.d=1.4920895098984488] [L34] r = x.d * 0.5 VAL [\old(a)=1.4920893909219899, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, exp=512, r=0.7460447549492244, x={2:0}, x.d=1.4920895098984488] [L34] FCALL r = x.d * 0.5 VAL [\old(a)=1.4920893909219899, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, exp=512, r=0.7460447549492244, x={2:0}, x.d=1.4920895098984488] [L34] FCALL r = x.d * 0.5 VAL [\old(a)=1.4920893909219899, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, exp=512, r=0.7460447549492244, x={2:0}, x.d=1.4920895098984488] [L36] r = C1+C2+(C3+(C4+C5*r)*r)*r VAL [\old(a)=1.4920893909219899, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, exp=512, r=1.079544644725148, x={2:0}] [L38] COND TRUE exp % 2 == 0 [L39] exp++ [L39] exp++ [L45] FCALL x.i[0] = (exp/2 + 511) << 20 VAL [\old(a)=1.4920893909219899, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, exp=513, r=1.079544644725148, x={2:0}] [L46] EXPR, FCALL x.d VAL [\old(a)=1.4920893909219899, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, exp=513, r=1.079544644725148, x={2:0}, x.d=-0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000347671763953204] [L46] r = r * x.d VAL [\old(a)=1.4920893909219899, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, exp=513, r=-0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000375327190897825, x={2:0}, x.d=-0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000347671763953204] [L46] FCALL r = r * x.d VAL [\old(a)=1.4920893909219899, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, exp=513, r=-0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000375327190897825, x={2:0}, x.d=-0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000347671763953204] [L46] FCALL r = r * x.d VAL [\old(a)=1.4920893909219899, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, exp=513, r=-0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000375327190897825, x={2:0}, x.d=-0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000347671763953204] [L48] return r; VAL [\old(a)=1.4920893909219899, \result=-0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000375327190897825, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, exp=513, r=-0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000375327190897825, x={2:0}] [L48] RET return r; VAL [\old(a)=1.4920893909219899, \result=-0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000375327190897825, a=1.4920893909219899, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, exp=513, r=-0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000375327190897825] [L58] EXPR sqrt_custom(x) VAL [C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, sqrt_custom(x)=-0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000375327190897825, x=1.4920893909219899] [L58] y = sqrt_custom(x) [L60] CALL __VERIFIER_assert(y >= 0. && y <= 1e6) VAL [\old(cond)=0, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666] [L9] COND TRUE !(cond) VAL [\old(cond)=0, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, cond=0] [L9] __VERIFIER_error() VAL [\old(cond)=0, C0=1.414213538, C1=0.229761391, C2=1.296735525, C3=-0.90109837, C4=0.4935534, C5=-0.118958666, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 47 locations, 1 error locations. UNSAFE Result, 6.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...