./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-cdfpl/newton_1_7_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/floats-cdfpl/newton_1_7_false-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 70fe3c899c400d059184c32a286d7d2375d5f495 ...................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/floats-cdfpl/newton_1_7_false-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 70fe3c899c400d059184c32a286d7d2375d5f495 ........................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 02:13:37,466 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 02:13:37,468 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 02:13:37,481 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 02:13:37,481 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 02:13:37,482 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 02:13:37,484 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 02:13:37,486 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 02:13:37,488 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 02:13:37,489 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 02:13:37,490 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 02:13:37,490 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 02:13:37,491 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 02:13:37,492 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 02:13:37,494 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 02:13:37,495 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 02:13:37,496 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 02:13:37,498 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 02:13:37,500 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 02:13:37,502 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 02:13:37,503 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 02:13:37,504 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 02:13:37,507 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 02:13:37,508 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 02:13:37,508 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 02:13:37,509 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 02:13:37,511 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 02:13:37,511 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 02:13:37,513 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 02:13:37,514 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 02:13:37,514 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 02:13:37,515 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 02:13:37,515 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 02:13:37,516 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 02:13:37,517 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 02:13:37,518 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 02:13:37,518 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 02:13:37,540 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 02:13:37,540 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 02:13:37,541 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 02:13:37,541 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 02:13:37,543 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 02:13:37,543 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 02:13:37,544 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 02:13:37,544 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 02:13:37,544 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 02:13:37,544 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 02:13:37,545 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 02:13:37,545 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 02:13:37,545 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 02:13:37,545 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 02:13:37,545 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 02:13:37,545 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 02:13:37,546 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 02:13:37,546 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 02:13:37,546 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 02:13:37,546 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 02:13:37,546 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 02:13:37,547 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:13:37,547 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 02:13:37,547 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 02:13:37,547 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 02:13:37,547 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 02:13:37,547 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 02:13:37,551 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 02:13:37,551 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70fe3c899c400d059184c32a286d7d2375d5f495 [2018-12-31 02:13:37,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 02:13:37,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 02:13:37,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 02:13:37,635 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 02:13:37,635 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 02:13:37,636 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_1_7_false-unreach-call_true-termination.i [2018-12-31 02:13:37,695 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e66a82564/7b07d7769906410ab64a25b10dfe78b1/FLAGf3133f81d [2018-12-31 02:13:38,116 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 02:13:38,116 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_1_7_false-unreach-call_true-termination.i [2018-12-31 02:13:38,123 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e66a82564/7b07d7769906410ab64a25b10dfe78b1/FLAGf3133f81d [2018-12-31 02:13:38,506 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e66a82564/7b07d7769906410ab64a25b10dfe78b1 [2018-12-31 02:13:38,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 02:13:38,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 02:13:38,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 02:13:38,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 02:13:38,518 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 02:13:38,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:13:38" (1/1) ... [2018-12-31 02:13:38,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ae14ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:38, skipping insertion in model container [2018-12-31 02:13:38,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:13:38" (1/1) ... [2018-12-31 02:13:38,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 02:13:38,556 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 02:13:38,788 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:13:38,793 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 02:13:38,816 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:13:38,832 INFO L195 MainTranslator]: Completed translation [2018-12-31 02:13:38,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:38 WrapperNode [2018-12-31 02:13:38,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 02:13:38,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 02:13:38,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 02:13:38,835 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 02:13:38,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:38" (1/1) ... [2018-12-31 02:13:38,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:38" (1/1) ... [2018-12-31 02:13:38,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 02:13:38,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 02:13:38,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 02:13:38,873 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 02:13:38,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:38" (1/1) ... [2018-12-31 02:13:38,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:38" (1/1) ... [2018-12-31 02:13:38,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:38" (1/1) ... [2018-12-31 02:13:38,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:38" (1/1) ... [2018-12-31 02:13:38,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:38" (1/1) ... [2018-12-31 02:13:38,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:38" (1/1) ... [2018-12-31 02:13:38,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:38" (1/1) ... [2018-12-31 02:13:38,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 02:13:38,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 02:13:38,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 02:13:38,893 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 02:13:38,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:38" (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 [2018-12-31 02:13:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 02:13:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 02:13:39,190 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 02:13:39,190 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-31 02:13:39,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:13:39 BoogieIcfgContainer [2018-12-31 02:13:39,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 02:13:39,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 02:13:39,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 02:13:39,195 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 02:13:39,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 02:13:38" (1/3) ... [2018-12-31 02:13:39,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4997c28d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:13:39, skipping insertion in model container [2018-12-31 02:13:39,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:38" (2/3) ... [2018-12-31 02:13:39,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4997c28d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:13:39, skipping insertion in model container [2018-12-31 02:13:39,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:13:39" (3/3) ... [2018-12-31 02:13:39,199 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_7_false-unreach-call_true-termination.i [2018-12-31 02:13:39,207 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 02:13:39,214 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 02:13:39,230 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 02:13:39,263 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 02:13:39,264 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 02:13:39,264 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 02:13:39,264 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 02:13:39,264 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 02:13:39,264 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 02:13:39,264 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 02:13:39,265 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 02:13:39,265 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 02:13:39,281 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2018-12-31 02:13:39,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-31 02:13:39,288 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 02:13:39,289 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-12-31 02:13:39,292 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 02:13:39,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 02:13:39,298 INFO L82 PathProgramCache]: Analyzing trace with hash 29647107, now seen corresponding path program 1 times [2018-12-31 02:13:39,300 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 02:13:39,300 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 02:13:39,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 02:13:39,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 02:13:39,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 02:13:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:13:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:13:39,421 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 02:13:39,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 02:13:39 BoogieIcfgContainer [2018-12-31 02:13:39,442 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 02:13:39,443 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 02:13:39,443 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 02:13:39,443 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 02:13:39,444 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:13:39" (3/4) ... [2018-12-31 02:13:39,448 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 02:13:39,448 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 02:13:39,449 INFO L168 Benchmark]: Toolchain (without parser) took 938.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:13:39,452 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:13:39,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.00 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-31 02:13:39,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.66 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:13:39,454 INFO L168 Benchmark]: Boogie Preprocessor took 19.26 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-31 02:13:39,455 INFO L168 Benchmark]: RCFGBuilder took 298.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-31 02:13:39,457 INFO L168 Benchmark]: TraceAbstraction took 250.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 02:13:39,458 INFO L168 Benchmark]: Witness Printer took 5.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:13:39,463 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.00 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.66 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.26 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 298.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 250.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 19. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) [L28] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. UNSAFE Result, 0.1s 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=10occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2018-12-31 02:13:41,827 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 02:13:41,829 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 02:13:41,841 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 02:13:41,842 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 02:13:41,843 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 02:13:41,845 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 02:13:41,847 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 02:13:41,849 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 02:13:41,850 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 02:13:41,851 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 02:13:41,851 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 02:13:41,852 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 02:13:41,854 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 02:13:41,855 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 02:13:41,856 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 02:13:41,857 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 02:13:41,860 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 02:13:41,862 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 02:13:41,864 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 02:13:41,866 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 02:13:41,867 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 02:13:41,870 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 02:13:41,871 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 02:13:41,871 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 02:13:41,872 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 02:13:41,874 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 02:13:41,875 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 02:13:41,876 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 02:13:41,877 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 02:13:41,877 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 02:13:41,879 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 02:13:41,879 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 02:13:41,879 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 02:13:41,880 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 02:13:41,882 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 02:13:41,882 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 02:13:41,898 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 02:13:41,899 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 02:13:41,900 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 02:13:41,901 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 02:13:41,901 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 02:13:41,901 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 02:13:41,901 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 02:13:41,902 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 02:13:41,902 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 02:13:41,902 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 02:13:41,902 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 02:13:41,902 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 02:13:41,904 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 02:13:41,904 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 02:13:41,904 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 02:13:41,904 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 02:13:41,905 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 02:13:41,905 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 02:13:41,905 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 02:13:41,906 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 02:13:41,906 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 02:13:41,906 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 02:13:41,906 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:13:41,906 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 02:13:41,907 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 02:13:41,907 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 02:13:41,907 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 02:13:41,907 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 02:13:41,907 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 02:13:41,907 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 02:13:41,907 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70fe3c899c400d059184c32a286d7d2375d5f495 [2018-12-31 02:13:41,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 02:13:41,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 02:13:41,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 02:13:41,972 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 02:13:41,973 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 02:13:41,973 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_1_7_false-unreach-call_true-termination.i [2018-12-31 02:13:42,027 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a975edbac/da4c9cdaafbf45a3afdc783e33b137e0/FLAG3845af43f [2018-12-31 02:13:42,528 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 02:13:42,532 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_1_7_false-unreach-call_true-termination.i [2018-12-31 02:13:42,540 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a975edbac/da4c9cdaafbf45a3afdc783e33b137e0/FLAG3845af43f [2018-12-31 02:13:43,018 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a975edbac/da4c9cdaafbf45a3afdc783e33b137e0 [2018-12-31 02:13:43,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 02:13:43,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 02:13:43,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 02:13:43,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 02:13:43,031 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 02:13:43,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:13:43" (1/1) ... [2018-12-31 02:13:43,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f137fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:43, skipping insertion in model container [2018-12-31 02:13:43,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:13:43" (1/1) ... [2018-12-31 02:13:43,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 02:13:43,072 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 02:13:43,270 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:13:43,276 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 02:13:43,298 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:13:43,314 INFO L195 MainTranslator]: Completed translation [2018-12-31 02:13:43,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:43 WrapperNode [2018-12-31 02:13:43,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 02:13:43,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 02:13:43,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 02:13:43,316 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 02:13:43,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:43" (1/1) ... [2018-12-31 02:13:43,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:43" (1/1) ... [2018-12-31 02:13:43,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 02:13:43,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 02:13:43,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 02:13:43,357 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 02:13:43,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:43" (1/1) ... [2018-12-31 02:13:43,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:43" (1/1) ... [2018-12-31 02:13:43,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:43" (1/1) ... [2018-12-31 02:13:43,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:43" (1/1) ... [2018-12-31 02:13:43,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:43" (1/1) ... [2018-12-31 02:13:43,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:43" (1/1) ... [2018-12-31 02:13:43,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:43" (1/1) ... [2018-12-31 02:13:43,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 02:13:43,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 02:13:43,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 02:13:43,385 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 02:13:43,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:43" (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 [2018-12-31 02:13:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 02:13:43,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 02:13:50,276 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 02:13:50,276 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-31 02:13:50,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:13:50 BoogieIcfgContainer [2018-12-31 02:13:50,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 02:13:50,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 02:13:50,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 02:13:50,281 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 02:13:50,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 02:13:43" (1/3) ... [2018-12-31 02:13:50,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1217f9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:13:50, skipping insertion in model container [2018-12-31 02:13:50,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:13:43" (2/3) ... [2018-12-31 02:13:50,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1217f9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:13:50, skipping insertion in model container [2018-12-31 02:13:50,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:13:50" (3/3) ... [2018-12-31 02:13:50,284 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_7_false-unreach-call_true-termination.i [2018-12-31 02:13:50,293 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 02:13:50,300 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 02:13:50,316 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 02:13:50,347 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 02:13:50,348 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 02:13:50,348 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 02:13:50,349 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 02:13:50,349 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 02:13:50,349 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 02:13:50,349 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 02:13:50,349 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 02:13:50,350 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 02:13:50,364 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2018-12-31 02:13:50,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-31 02:13:50,371 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 02:13:50,372 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-12-31 02:13:50,374 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 02:13:50,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 02:13:50,380 INFO L82 PathProgramCache]: Analyzing trace with hash 29647107, now seen corresponding path program 1 times [2018-12-31 02:13:50,384 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 02:13:50,385 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-31 02:13:50,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 02:13:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:15:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:15:48,219 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 02:15:48,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 02:15:48 BoogieIcfgContainer [2018-12-31 02:15:48,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 02:15:48,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 02:15:48,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 02:15:48,245 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 02:15:48,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:13:50" (3/4) ... [2018-12-31 02:15:48,248 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-31 02:15:48,291 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 02:15:48,292 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 02:15:48,293 INFO L168 Benchmark]: Toolchain (without parser) took 125268.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -113.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:15:48,295 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:15:48,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.32 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-31 02:15:48,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.57 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:15:48,296 INFO L168 Benchmark]: Boogie Preprocessor took 27.38 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-31 02:15:48,297 INFO L168 Benchmark]: RCFGBuilder took 6892.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-31 02:15:48,298 INFO L168 Benchmark]: TraceAbstraction took 117966.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-12-31 02:15:48,299 INFO L168 Benchmark]: Witness Printer took 46.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-31 02:15:48,304 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.32 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.57 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.38 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6892.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 117966.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Witness Printer took 46.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) [L28] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. UNSAFE Result, 117.9s 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=10occurred 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, 4.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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...