./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-cdfpl/newton_2_8_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_2_8_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 2d89a0564bbb0fd26a33f9c676f8f302637a0505 ......................................................................................................................................................................................................................... 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_2_8_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 2d89a0564bbb0fd26a33f9c676f8f302637a0505 ............................................................................................................................................................................................................................ 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 07:25:18,983 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:25:18,985 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:25:18,997 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:25:18,997 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:25:18,998 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:25:19,000 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:25:19,010 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:25:19,012 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:25:19,013 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:25:19,014 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:25:19,014 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:25:19,015 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:25:19,017 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:25:19,018 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:25:19,019 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:25:19,020 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:25:19,022 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:25:19,024 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:25:19,026 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:25:19,027 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:25:19,029 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:25:19,031 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:25:19,032 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:25:19,032 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:25:19,034 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:25:19,035 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:25:19,036 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:25:19,037 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:25:19,038 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:25:19,038 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:25:19,039 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:25:19,039 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:25:19,040 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:25:19,041 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:25:19,042 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:25:19,042 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 07:25:19,058 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:25:19,058 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:25:19,060 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:25:19,060 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:25:19,060 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:25:19,060 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:25:19,061 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:25:19,061 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 07:25:19,061 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:25:19,061 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:25:19,061 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:25:19,061 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:25:19,063 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:25:19,063 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:25:19,063 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:25:19,063 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:25:19,063 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:25:19,064 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:25:19,064 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:25:19,064 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:25:19,064 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:25:19,064 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:25:19,064 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:25:19,066 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:25:19,066 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:25:19,066 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 07:25:19,067 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:25:19,067 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 07:25:19,067 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 -> 2d89a0564bbb0fd26a33f9c676f8f302637a0505 [2019-01-12 07:25:19,103 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:25:19,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:25:19,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:25:19,128 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:25:19,129 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:25:19,131 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_2_8_false-unreach-call_true-termination.i [2019-01-12 07:25:19,193 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05de6092f/d6d99cd452df4fe2bd3708f5d1e72084/FLAG288b78b0d [2019-01-12 07:25:19,622 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:25:19,623 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_2_8_false-unreach-call_true-termination.i [2019-01-12 07:25:19,628 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05de6092f/d6d99cd452df4fe2bd3708f5d1e72084/FLAG288b78b0d [2019-01-12 07:25:19,995 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05de6092f/d6d99cd452df4fe2bd3708f5d1e72084 [2019-01-12 07:25:20,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:25:20,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:25:20,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:25:20,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:25:20,007 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:25:20,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:25:19" (1/1) ... [2019-01-12 07:25:20,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae9932d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:20, skipping insertion in model container [2019-01-12 07:25:20,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:25:19" (1/1) ... [2019-01-12 07:25:20,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:25:20,038 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:25:20,226 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:25:20,231 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:25:20,253 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:25:20,269 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:25:20,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:20 WrapperNode [2019-01-12 07:25:20,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:25:20,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:25:20,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:25:20,271 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:25:20,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:20" (1/1) ... [2019-01-12 07:25:20,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:20" (1/1) ... [2019-01-12 07:25:20,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:25:20,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:25:20,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:25:20,313 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:25:20,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:20" (1/1) ... [2019-01-12 07:25:20,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:20" (1/1) ... [2019-01-12 07:25:20,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:20" (1/1) ... [2019-01-12 07:25:20,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:20" (1/1) ... [2019-01-12 07:25:20,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:20" (1/1) ... [2019-01-12 07:25:20,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:20" (1/1) ... [2019-01-12 07:25:20,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:20" (1/1) ... [2019-01-12 07:25:20,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:25:20,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:25:20,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:25:20,347 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:25:20,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:20" (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 07:25:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:25:20,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 07:25:20,692 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 07:25:20,693 INFO L286 CfgBuilder]: Removed 12 assue(true) statements. [2019-01-12 07:25:20,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:25:20 BoogieIcfgContainer [2019-01-12 07:25:20,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 07:25:20,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 07:25:20,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 07:25:20,699 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 07:25:20,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:25:19" (1/3) ... [2019-01-12 07:25:20,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158c3e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:25:20, skipping insertion in model container [2019-01-12 07:25:20,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:20" (2/3) ... [2019-01-12 07:25:20,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158c3e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:25:20, skipping insertion in model container [2019-01-12 07:25:20,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:25:20" (3/3) ... [2019-01-12 07:25:20,703 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_2_8_false-unreach-call_true-termination.i [2019-01-12 07:25:20,713 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 07:25:20,724 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 07:25:20,741 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 07:25:20,772 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 07:25:20,773 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 07:25:20,773 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 07:25:20,773 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 07:25:20,773 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 07:25:20,773 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 07:25:20,773 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 07:25:20,774 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 07:25:20,774 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 07:25:20,789 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-01-12 07:25:20,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-12 07:25:20,795 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:25:20,796 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-12 07:25:20,798 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:25:20,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:25:20,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1573930651, now seen corresponding path program 1 times [2019-01-12 07:25:20,805 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 07:25:20,805 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 07:25:20,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 07:25:20,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:25:20,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 07:25:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:25:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:25:20,913 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 07:25:20,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 07:25:20 BoogieIcfgContainer [2019-01-12 07:25:20,931 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 07:25:20,931 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 07:25:20,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 07:25:20,932 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 07:25:20,932 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:25:20" (3/4) ... [2019-01-12 07:25:20,935 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 07:25:20,935 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 07:25:20,936 INFO L168 Benchmark]: Toolchain (without parser) took 935.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:25:20,938 INFO L168 Benchmark]: CDTParser took 0.20 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 07:25:20,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.61 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:25:20,940 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.88 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 07:25:20,940 INFO L168 Benchmark]: Boogie Preprocessor took 34.06 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:25:20,941 INFO L168 Benchmark]: RCFGBuilder took 348.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-01-12 07:25:20,942 INFO L168 Benchmark]: TraceAbstraction took 234.77 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-12 07:25:20,943 INFO L168 Benchmark]: Witness Printer took 4.11 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 07:25:20,948 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 267.61 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 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 41.88 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. * Boogie Preprocessor took 34.06 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 348.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 234.77 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.11 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 21. 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) [L27] COND TRUE !(x < 0.1) [L28] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 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=12occurred 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, 7 NumberOfCodeBlocks, 7 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 07:25:23,257 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:25:23,259 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:25:23,270 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:25:23,271 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:25:23,272 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:25:23,273 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:25:23,275 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:25:23,277 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:25:23,277 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:25:23,278 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:25:23,279 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:25:23,280 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:25:23,281 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:25:23,282 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:25:23,282 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:25:23,283 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:25:23,285 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:25:23,287 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:25:23,289 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:25:23,290 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:25:23,291 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:25:23,293 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:25:23,294 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:25:23,294 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:25:23,295 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:25:23,296 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:25:23,297 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:25:23,298 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:25:23,299 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:25:23,299 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:25:23,300 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:25:23,300 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:25:23,300 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:25:23,302 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:25:23,302 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:25:23,303 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 07:25:23,322 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:25:23,322 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:25:23,323 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:25:23,324 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:25:23,324 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:25:23,324 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:25:23,324 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:25:23,324 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:25:23,325 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:25:23,325 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:25:23,325 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:25:23,325 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:25:23,325 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 07:25:23,325 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 07:25:23,326 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:25:23,326 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:25:23,326 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:25:23,326 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:25:23,326 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:25:23,326 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:25:23,327 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:25:23,327 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:25:23,327 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:25:23,327 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:25:23,327 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:25:23,327 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:25:23,328 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 07:25:23,328 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:25:23,328 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 07:25:23,328 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 07:25:23,328 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 -> 2d89a0564bbb0fd26a33f9c676f8f302637a0505 [2019-01-12 07:25:23,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:25:23,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:25:23,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:25:23,409 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:25:23,409 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:25:23,410 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_2_8_false-unreach-call_true-termination.i [2019-01-12 07:25:23,465 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9eb1eab4/c34ae682fe3045a4aea7b610cceec73d/FLAG41cd40e34 [2019-01-12 07:25:23,873 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:25:23,873 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_2_8_false-unreach-call_true-termination.i [2019-01-12 07:25:23,879 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9eb1eab4/c34ae682fe3045a4aea7b610cceec73d/FLAG41cd40e34 [2019-01-12 07:25:24,262 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9eb1eab4/c34ae682fe3045a4aea7b610cceec73d [2019-01-12 07:25:24,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:25:24,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:25:24,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:25:24,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:25:24,271 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:25:24,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:25:24" (1/1) ... [2019-01-12 07:25:24,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f785cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:24, skipping insertion in model container [2019-01-12 07:25:24,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:25:24" (1/1) ... [2019-01-12 07:25:24,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:25:24,301 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:25:24,523 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:25:24,533 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:25:24,562 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:25:24,584 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:25:24,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:24 WrapperNode [2019-01-12 07:25:24,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:25:24,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:25:24,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:25:24,586 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:25:24,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:24" (1/1) ... [2019-01-12 07:25:24,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:24" (1/1) ... [2019-01-12 07:25:24,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:25:24,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:25:24,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:25:24,626 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:25:24,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:24" (1/1) ... [2019-01-12 07:25:24,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:24" (1/1) ... [2019-01-12 07:25:24,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:24" (1/1) ... [2019-01-12 07:25:24,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:24" (1/1) ... [2019-01-12 07:25:24,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:24" (1/1) ... [2019-01-12 07:25:24,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:24" (1/1) ... [2019-01-12 07:25:24,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:24" (1/1) ... [2019-01-12 07:25:24,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:25:24,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:25:24,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:25:24,653 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:25:24,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:24" (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 07:25:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:25:24,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 07:25:35,975 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 07:25:35,976 INFO L286 CfgBuilder]: Removed 12 assue(true) statements. [2019-01-12 07:25:35,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:25:35 BoogieIcfgContainer [2019-01-12 07:25:35,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 07:25:35,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 07:25:35,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 07:25:35,985 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 07:25:35,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:25:24" (1/3) ... [2019-01-12 07:25:35,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb293a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:25:35, skipping insertion in model container [2019-01-12 07:25:35,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:25:24" (2/3) ... [2019-01-12 07:25:35,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb293a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:25:35, skipping insertion in model container [2019-01-12 07:25:35,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:25:35" (3/3) ... [2019-01-12 07:25:35,991 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_2_8_false-unreach-call_true-termination.i [2019-01-12 07:25:36,006 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 07:25:36,017 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 07:25:36,038 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 07:25:36,070 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 07:25:36,071 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 07:25:36,071 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 07:25:36,071 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 07:25:36,072 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 07:25:36,072 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 07:25:36,073 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 07:25:36,073 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 07:25:36,073 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 07:25:36,092 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-01-12 07:25:36,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-12 07:25:36,099 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:25:36,100 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 07:25:36,103 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:25:36,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:25:36,110 INFO L82 PathProgramCache]: Analyzing trace with hash 87858984, now seen corresponding path program 1 times [2019-01-12 07:25:36,116 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:25:36,116 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 07:25:36,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:27:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:27:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:27:27,337 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 07:27:27,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 07:27:27 BoogieIcfgContainer [2019-01-12 07:27:27,364 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 07:27:27,365 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 07:27:27,365 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 07:27:27,365 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 07:27:27,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:25:35" (3/4) ... [2019-01-12 07:27:27,369 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-12 07:27:27,413 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 07:27:27,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 07:27:27,414 INFO L168 Benchmark]: Toolchain (without parser) took 123148.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:27:27,416 INFO L168 Benchmark]: CDTParser took 0.14 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 07:27:27,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.65 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. [2019-01-12 07:27:27,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.67 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. [2019-01-12 07:27:27,418 INFO L168 Benchmark]: Boogie Preprocessor took 27.40 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. [2019-01-12 07:27:27,419 INFO L168 Benchmark]: RCFGBuilder took 11326.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:27:27,420 INFO L168 Benchmark]: TraceAbstraction took 111383.27 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2019-01-12 07:27:27,420 INFO L168 Benchmark]: Witness Printer took 48.56 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 07:27:27,425 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 317.65 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 39.67 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 27.40 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 11326.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 111383.27 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Witness Printer took 48.56 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) [L27] COND TRUE !(x < 0.1) [L28] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. UNSAFE Result, 111.3s 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=13occurred 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, 89.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 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...