./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f 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_3_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 1a235e961590504bf325ed48e961fbf72a0d83a1 ........................................................................................................................................................................................................................... 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_3_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 1a235e961590504bf325ed48e961fbf72a0d83a1 ............................................................................................................................................................................................................................... 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 0.1.24-0ed9222-m [2019-01-12 07:26:55,485 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:26:55,488 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:26:55,501 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:26:55,501 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:26:55,502 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:26:55,503 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:26:55,505 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:26:55,507 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:26:55,508 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:26:55,509 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:26:55,509 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:26:55,510 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:26:55,511 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:26:55,513 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:26:55,513 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:26:55,514 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:26:55,516 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:26:55,519 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:26:55,520 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:26:55,521 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:26:55,523 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:26:55,526 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:26:55,526 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:26:55,526 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:26:55,529 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:26:55,530 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:26:55,531 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:26:55,533 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:26:55,534 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:26:55,534 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:26:55,535 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:26:55,535 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:26:55,535 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:26:55,536 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:26:55,537 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:26:55,537 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 07:26:55,566 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:26:55,566 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:26:55,567 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:26:55,568 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:26:55,569 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:26:55,569 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:26:55,570 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:26:55,570 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 07:26:55,570 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:26:55,570 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:26:55,570 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:26:55,570 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:26:55,571 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:26:55,572 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:26:55,572 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:26:55,572 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:26:55,574 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:26:55,574 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:26:55,574 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:26:55,574 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:26:55,574 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:26:55,575 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:26:55,575 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:26:55,575 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:26:55,575 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:26:55,575 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 07:26:55,576 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:26:55,576 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 07:26:55,576 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 -> 1a235e961590504bf325ed48e961fbf72a0d83a1 [2019-01-12 07:26:55,628 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:26:55,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:26:55,649 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:26:55,651 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:26:55,652 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:26:55,652 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2019-01-12 07:26:55,720 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7c19bb70/d93494b0b62543ccb74d20dca82c6c7f/FLAG96fd3b756 [2019-01-12 07:26:56,189 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:26:56,190 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2019-01-12 07:26:56,197 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7c19bb70/d93494b0b62543ccb74d20dca82c6c7f/FLAG96fd3b756 [2019-01-12 07:26:56,535 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7c19bb70/d93494b0b62543ccb74d20dca82c6c7f [2019-01-12 07:26:56,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:26:56,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:26:56,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:26:56,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:26:56,547 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:26:56,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:26:56" (1/1) ... [2019-01-12 07:26:56,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c217299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:26:56, skipping insertion in model container [2019-01-12 07:26:56,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:26:56" (1/1) ... [2019-01-12 07:26:56,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:26:56,579 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:26:56,826 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:26:56,831 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:26:56,863 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:26:56,884 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:26:56,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:26:56 WrapperNode [2019-01-12 07:26:56,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:26:56,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:26:56,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:26:56,887 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:26:56,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:26:56" (1/1) ... [2019-01-12 07:26:56,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:26:56" (1/1) ... [2019-01-12 07:26:56,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:26:56,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:26:56,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:26:56,939 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:26:56,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:26:56" (1/1) ... [2019-01-12 07:26:56,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:26:56" (1/1) ... [2019-01-12 07:26:56,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:26:56" (1/1) ... [2019-01-12 07:26:56,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:26:56" (1/1) ... [2019-01-12 07:26:56,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:26:56" (1/1) ... [2019-01-12 07:26:56,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:26:56" (1/1) ... [2019-01-12 07:26:56,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:26:56" (1/1) ... [2019-01-12 07:26:56,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:26:56,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:26:56,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:26:56,983 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:26:56,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:26:56" (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 [2019-01-12 07:26:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:26:57,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 07:26:57,419 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 07:26:57,420 INFO L286 CfgBuilder]: Removed 16 assue(true) statements. [2019-01-12 07:26:57,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:26:57 BoogieIcfgContainer [2019-01-12 07:26:57,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 07:26:57,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 07:26:57,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 07:26:57,430 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 07:26:57,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:26:56" (1/3) ... [2019-01-12 07:26:57,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5632d698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:26:57, skipping insertion in model container [2019-01-12 07:26:57,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:26:56" (2/3) ... [2019-01-12 07:26:57,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5632d698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:26:57, skipping insertion in model container [2019-01-12 07:26:57,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:26:57" (3/3) ... [2019-01-12 07:26:57,435 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_7_false-unreach-call_true-termination.i [2019-01-12 07:26:57,452 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 07:26:57,460 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 07:26:57,502 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 07:26:57,561 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 07:26:57,562 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 07:26:57,562 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 07:26:57,562 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 07:26:57,562 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 07:26:57,562 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 07:26:57,563 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 07:26:57,564 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 07:26:57,564 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 07:26:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-01-12 07:26:57,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-12 07:26:57,587 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:26:57,588 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 07:26:57,591 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:26:57,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:26:57,597 INFO L82 PathProgramCache]: Analyzing trace with hash -718896697, now seen corresponding path program 1 times [2019-01-12 07:26:57,600 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 07:26:57,600 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 07:26:57,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 07:26:57,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:26:57,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 07:26:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:26:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:26:57,741 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 07:26:57,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 07:26:57 BoogieIcfgContainer [2019-01-12 07:26:57,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 07:26:57,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 07:26:57,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 07:26:57,765 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 07:26:57,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:26:57" (3/4) ... [2019-01-12 07:26:57,772 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 07:26:57,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 07:26:57,773 INFO L168 Benchmark]: Toolchain (without parser) took 1232.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -132.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:26:57,776 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:26:57,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.80 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:26:57,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.48 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:26:57,779 INFO L168 Benchmark]: Boogie Preprocessor took 44.39 ms. Allocated memory is still 1.0 GB. Free memory was 935.3 MB in the beginning and 929.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:26:57,781 INFO L168 Benchmark]: RCFGBuilder took 440.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-01-12 07:26:57,782 INFO L168 Benchmark]: TraceAbstraction took 338.21 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-01-12 07:26:57,783 INFO L168 Benchmark]: Witness Printer took 7.31 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-01-12 07:26:57,789 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 342.80 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 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 51.48 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.39 ms. Allocated memory is still 1.0 GB. Free memory was 935.3 MB in the beginning and 929.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 440.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 338.21 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Witness Printer took 7.31 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: 7.0 MB). Peak memory consumption was 7.0 MB. 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 23. 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); [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; [L21] x = x - f(x)/fp(x) [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; [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) [L28] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. UNSAFE Result, 0.2s 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=14occurred 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, 9 NumberOfCodeBlocks, 9 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 0.1.24-0ed9222-m [2019-01-12 07:27:00,203 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:27:00,205 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:27:00,218 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:27:00,218 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:27:00,219 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:27:00,221 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:27:00,223 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:27:00,225 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:27:00,226 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:27:00,228 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:27:00,228 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:27:00,229 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:27:00,230 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:27:00,232 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:27:00,233 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:27:00,234 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:27:00,236 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:27:00,238 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:27:00,240 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:27:00,242 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:27:00,243 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:27:00,246 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:27:00,246 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:27:00,247 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:27:00,248 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:27:00,249 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:27:00,250 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:27:00,251 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:27:00,252 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:27:00,253 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:27:00,254 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:27:00,254 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:27:00,255 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:27:00,256 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:27:00,257 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:27:00,257 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 07:27:00,274 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:27:00,274 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:27:00,276 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:27:00,276 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:27:00,276 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:27:00,276 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:27:00,276 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:27:00,277 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:27:00,278 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:27:00,278 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:27:00,278 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:27:00,278 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:27:00,278 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 07:27:00,279 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 07:27:00,279 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:27:00,280 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:27:00,280 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:27:00,280 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:27:00,280 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:27:00,280 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:27:00,280 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:27:00,281 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:27:00,282 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:27:00,282 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:27:00,282 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:27:00,282 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:27:00,282 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 07:27:00,282 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:27:00,283 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 07:27:00,283 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 07:27:00,283 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 -> 1a235e961590504bf325ed48e961fbf72a0d83a1 [2019-01-12 07:27:00,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:27:00,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:27:00,349 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:27:00,351 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:27:00,352 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:27:00,353 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2019-01-12 07:27:00,417 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d125e2ad/f1bd856cc7e94d70b6b0053d3a1523c9/FLAGc53edeae7 [2019-01-12 07:27:00,885 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:27:00,886 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2019-01-12 07:27:00,891 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d125e2ad/f1bd856cc7e94d70b6b0053d3a1523c9/FLAGc53edeae7 [2019-01-12 07:27:01,259 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d125e2ad/f1bd856cc7e94d70b6b0053d3a1523c9 [2019-01-12 07:27:01,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:27:01,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:27:01,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:27:01,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:27:01,271 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:27:01,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:27:01" (1/1) ... [2019-01-12 07:27:01,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63060395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:27:01, skipping insertion in model container [2019-01-12 07:27:01,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:27:01" (1/1) ... [2019-01-12 07:27:01,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:27:01,300 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:27:01,476 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:27:01,484 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:27:01,507 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:27:01,526 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:27:01,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:27:01 WrapperNode [2019-01-12 07:27:01,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:27:01,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:27:01,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:27:01,529 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:27:01,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:27:01" (1/1) ... [2019-01-12 07:27:01,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:27:01" (1/1) ... [2019-01-12 07:27:01,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:27:01,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:27:01,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:27:01,584 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:27:01,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:27:01" (1/1) ... [2019-01-12 07:27:01,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:27:01" (1/1) ... [2019-01-12 07:27:01,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:27:01" (1/1) ... [2019-01-12 07:27:01,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:27:01" (1/1) ... [2019-01-12 07:27:01,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:27:01" (1/1) ... [2019-01-12 07:27:01,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:27:01" (1/1) ... [2019-01-12 07:27:01,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:27:01" (1/1) ... [2019-01-12 07:27:01,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:27:01,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:27:01,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:27:01,617 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:27:01,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:27:01" (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 [2019-01-12 07:27:01,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:27:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 07:27:18,496 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 07:27:18,496 INFO L286 CfgBuilder]: Removed 16 assue(true) statements. [2019-01-12 07:27:18,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:27:18 BoogieIcfgContainer [2019-01-12 07:27:18,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 07:27:18,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 07:27:18,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 07:27:18,503 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 07:27:18,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:27:01" (1/3) ... [2019-01-12 07:27:18,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e91237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:27:18, skipping insertion in model container [2019-01-12 07:27:18,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:27:01" (2/3) ... [2019-01-12 07:27:18,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e91237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:27:18, skipping insertion in model container [2019-01-12 07:27:18,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:27:18" (3/3) ... [2019-01-12 07:27:18,508 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_7_false-unreach-call_true-termination.i [2019-01-12 07:27:18,516 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 07:27:18,523 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 07:27:18,539 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 07:27:18,570 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 07:27:18,571 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 07:27:18,571 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 07:27:18,571 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 07:27:18,573 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 07:27:18,573 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 07:27:18,573 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 07:27:18,574 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 07:27:18,574 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 07:27:18,593 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-01-12 07:27:18,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 07:27:18,599 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:27:18,600 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 07:27:18,602 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:27:18,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:27:18,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1466891542, now seen corresponding path program 1 times [2019-01-12 07:27:18,613 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:27:18,614 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 [2019-01-12 07:27:18,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:29:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:29:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:29:48,959 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 07:29:48,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 07:29:48 BoogieIcfgContainer [2019-01-12 07:29:48,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 07:29:48,993 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 07:29:48,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 07:29:48,993 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 07:29:48,994 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:27:18" (3/4) ... [2019-01-12 07:29:48,996 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-12 07:29:49,042 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 07:29:49,043 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 07:29:49,044 INFO L168 Benchmark]: Toolchain (without parser) took 167779.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -128.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. [2019-01-12 07:29:49,046 INFO L168 Benchmark]: CDTParser took 0.50 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. [2019-01-12 07:29:49,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.72 ms. Allocated memory is still 1.0 GB. Free memory was 954.0 MB in the beginning and 943.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:29:49,047 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.57 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 937.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:29:49,048 INFO L168 Benchmark]: Boogie Preprocessor took 32.85 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:29:49,049 INFO L168 Benchmark]: RCFGBuilder took 16881.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-01-12 07:29:49,049 INFO L168 Benchmark]: TraceAbstraction took 150492.70 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: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:29:49,051 INFO L168 Benchmark]: Witness Printer took 50.04 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. [2019-01-12 07:29:49,056 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 260.72 ms. Allocated memory is still 1.0 GB. Free memory was 954.0 MB in the beginning and 943.3 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 54.57 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 937.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.85 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 16881.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 150492.70 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: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Witness Printer took 50.04 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: - 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); [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; [L21] x = x - f(x)/fp(x) [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; [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) [L28] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. UNSAFE Result, 150.4s 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=15occurred 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, 136.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 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...