./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 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/floats-cdfpl/newton_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 0.1.24-2e94e6a [2018-12-31 02:18:02,115 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 02:18:02,117 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 02:18:02,130 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 02:18:02,131 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 02:18:02,132 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 02:18:02,134 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 02:18:02,145 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 02:18:02,147 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 02:18:02,148 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 02:18:02,149 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 02:18:02,149 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 02:18:02,152 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 02:18:02,153 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 02:18:02,154 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 02:18:02,155 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 02:18:02,156 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 02:18:02,158 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 02:18:02,160 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 02:18:02,162 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 02:18:02,163 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 02:18:02,164 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 02:18:02,167 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 02:18:02,167 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 02:18:02,167 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 02:18:02,168 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 02:18:02,169 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 02:18:02,171 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 02:18:02,172 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 02:18:02,173 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 02:18:02,173 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 02:18:02,174 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 02:18:02,174 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 02:18:02,174 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 02:18:02,176 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 02:18:02,177 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 02:18:02,177 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 02:18:02,193 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 02:18:02,193 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 02:18:02,195 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 02:18:02,195 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 02:18:02,195 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 02:18:02,196 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 02:18:02,197 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 02:18:02,197 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 02:18:02,197 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 02:18:02,197 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 02:18:02,197 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 02:18:02,198 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 02:18:02,198 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 02:18:02,198 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 02:18:02,198 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 02:18:02,198 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 02:18:02,198 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 02:18:02,200 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 02:18:02,200 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 02:18:02,200 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 02:18:02,201 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 02:18:02,201 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:18:02,201 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 02:18:02,201 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 02:18:02,201 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 02:18:02,202 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 02:18:02,203 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 02:18:02,203 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 02:18:02,203 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 [2018-12-31 02:18:02,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 02:18:02,254 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 02:18:02,258 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 02:18:02,260 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 02:18:02,261 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 02:18:02,261 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2018-12-31 02:18:02,326 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38e6b8f0e/5f587ad54da94bf98c55f442e1ac255c/FLAG5f859b839 [2018-12-31 02:18:02,762 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 02:18:02,763 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2018-12-31 02:18:02,769 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38e6b8f0e/5f587ad54da94bf98c55f442e1ac255c/FLAG5f859b839 [2018-12-31 02:18:03,148 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38e6b8f0e/5f587ad54da94bf98c55f442e1ac255c [2018-12-31 02:18:03,152 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 02:18:03,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 02:18:03,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 02:18:03,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 02:18:03,161 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 02:18:03,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:18:03" (1/1) ... [2018-12-31 02:18:03,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6961f5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:03, skipping insertion in model container [2018-12-31 02:18:03,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:18:03" (1/1) ... [2018-12-31 02:18:03,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 02:18:03,195 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 02:18:03,417 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:18:03,422 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 02:18:03,451 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:18:03,469 INFO L195 MainTranslator]: Completed translation [2018-12-31 02:18:03,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:03 WrapperNode [2018-12-31 02:18:03,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 02:18:03,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 02:18:03,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 02:18:03,472 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 02:18:03,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:03" (1/1) ... [2018-12-31 02:18:03,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:03" (1/1) ... [2018-12-31 02:18:03,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 02:18:03,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 02:18:03,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 02:18:03,527 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 02:18:03,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:03" (1/1) ... [2018-12-31 02:18:03,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:03" (1/1) ... [2018-12-31 02:18:03,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:03" (1/1) ... [2018-12-31 02:18:03,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:03" (1/1) ... [2018-12-31 02:18:03,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:03" (1/1) ... [2018-12-31 02:18:03,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:03" (1/1) ... [2018-12-31 02:18:03,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:03" (1/1) ... [2018-12-31 02:18:03,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 02:18:03,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 02:18:03,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 02:18:03,575 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 02:18:03,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:18:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 02:18:03,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 02:18:03,952 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 02:18:03,952 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-31 02:18:03,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:18:03 BoogieIcfgContainer [2018-12-31 02:18:03,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 02:18:03,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 02:18:03,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 02:18:03,958 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 02:18:03,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 02:18:03" (1/3) ... [2018-12-31 02:18:03,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dabb604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:18:03, skipping insertion in model container [2018-12-31 02:18:03,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:03" (2/3) ... [2018-12-31 02:18:03,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dabb604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:18:03, skipping insertion in model container [2018-12-31 02:18:03,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:18:03" (3/3) ... [2018-12-31 02:18:03,961 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_7_false-unreach-call_true-termination.i [2018-12-31 02:18:03,974 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 02:18:03,985 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 02:18:04,009 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 02:18:04,058 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 02:18:04,059 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 02:18:04,059 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 02:18:04,059 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 02:18:04,059 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 02:18:04,063 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 02:18:04,063 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 02:18:04,063 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 02:18:04,063 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 02:18:04,090 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2018-12-31 02:18:04,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-31 02:18:04,097 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 02:18:04,098 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 02:18:04,100 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 02:18:04,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 02:18:04,110 INFO L82 PathProgramCache]: Analyzing trace with hash -718896697, now seen corresponding path program 1 times [2018-12-31 02:18:04,115 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 02:18:04,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 02:18:04,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 02:18:04,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 02:18:04,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 02:18:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:18:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:18:04,288 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 02:18:04,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 02:18:04 BoogieIcfgContainer [2018-12-31 02:18:04,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 02:18:04,312 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 02:18:04,312 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 02:18:04,312 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 02:18:04,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:18:03" (3/4) ... [2018-12-31 02:18:04,318 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 02:18:04,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 02:18:04,320 INFO L168 Benchmark]: Toolchain (without parser) took 1167.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:18:04,322 INFO L168 Benchmark]: CDTParser took 0.52 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. [2018-12-31 02:18:04,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.71 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 933.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-31 02:18:04,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.37 ms. Allocated memory is still 1.0 GB. Free memory is still 933.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:18:04,326 INFO L168 Benchmark]: Boogie Preprocessor took 47.89 ms. Allocated memory is still 1.0 GB. Free memory was 933.9 MB in the beginning and 928.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-31 02:18:04,327 INFO L168 Benchmark]: RCFGBuilder took 378.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 928.5 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-31 02:18:04,328 INFO L168 Benchmark]: TraceAbstraction took 357.12 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-31 02:18:04,329 INFO L168 Benchmark]: Witness Printer took 7.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:18:04,335 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 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 315.71 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 933.9 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 54.37 ms. Allocated memory is still 1.0 GB. Free memory is still 933.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.89 ms. Allocated memory is still 1.0 GB. Free memory was 933.9 MB in the beginning and 928.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 378.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 928.5 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 357.12 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 7.29 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 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 0.1.24-2e94e6a [2018-12-31 02:18:06,732 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 02:18:06,734 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 02:18:06,748 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 02:18:06,748 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 02:18:06,749 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 02:18:06,751 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 02:18:06,753 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 02:18:06,755 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 02:18:06,757 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 02:18:06,760 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 02:18:06,761 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 02:18:06,762 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 02:18:06,765 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 02:18:06,767 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 02:18:06,768 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 02:18:06,769 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 02:18:06,770 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 02:18:06,772 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 02:18:06,774 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 02:18:06,775 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 02:18:06,776 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 02:18:06,779 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 02:18:06,779 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 02:18:06,779 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 02:18:06,780 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 02:18:06,781 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 02:18:06,782 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 02:18:06,783 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 02:18:06,784 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 02:18:06,784 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 02:18:06,785 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 02:18:06,785 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 02:18:06,785 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 02:18:06,786 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 02:18:06,787 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 02:18:06,787 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 02:18:06,803 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 02:18:06,803 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 02:18:06,804 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 02:18:06,805 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 02:18:06,805 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 02:18:06,805 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 02:18:06,805 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 02:18:06,805 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 02:18:06,805 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 02:18:06,806 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 02:18:06,806 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 02:18:06,806 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 02:18:06,806 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 02:18:06,806 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 02:18:06,807 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 02:18:06,807 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 02:18:06,807 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 02:18:06,807 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 02:18:06,807 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 02:18:06,807 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 02:18:06,808 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 02:18:06,808 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 02:18:06,808 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:18:06,808 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 02:18:06,808 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 02:18:06,808 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 02:18:06,809 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 02:18:06,809 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 02:18:06,809 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 02:18:06,809 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 02:18:06,809 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 [2018-12-31 02:18:06,856 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 02:18:06,884 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 02:18:06,888 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 02:18:06,892 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 02:18:06,893 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 02:18:06,894 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2018-12-31 02:18:06,957 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c7b524e9/3da67e0df950469c999c6dda356565dc/FLAGd026f0148 [2018-12-31 02:18:07,420 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 02:18:07,421 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2018-12-31 02:18:07,428 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c7b524e9/3da67e0df950469c999c6dda356565dc/FLAGd026f0148 [2018-12-31 02:18:07,748 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c7b524e9/3da67e0df950469c999c6dda356565dc [2018-12-31 02:18:07,752 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 02:18:07,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 02:18:07,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 02:18:07,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 02:18:07,758 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 02:18:07,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:18:07" (1/1) ... [2018-12-31 02:18:07,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad84337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:07, skipping insertion in model container [2018-12-31 02:18:07,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:18:07" (1/1) ... [2018-12-31 02:18:07,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 02:18:07,795 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 02:18:08,017 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:18:08,024 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 02:18:08,055 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:18:08,070 INFO L195 MainTranslator]: Completed translation [2018-12-31 02:18:08,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:08 WrapperNode [2018-12-31 02:18:08,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 02:18:08,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 02:18:08,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 02:18:08,072 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 02:18:08,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:08" (1/1) ... [2018-12-31 02:18:08,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:08" (1/1) ... [2018-12-31 02:18:08,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 02:18:08,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 02:18:08,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 02:18:08,114 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 02:18:08,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:08" (1/1) ... [2018-12-31 02:18:08,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:08" (1/1) ... [2018-12-31 02:18:08,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:08" (1/1) ... [2018-12-31 02:18:08,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:08" (1/1) ... [2018-12-31 02:18:08,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:08" (1/1) ... [2018-12-31 02:18:08,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:08" (1/1) ... [2018-12-31 02:18:08,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:08" (1/1) ... [2018-12-31 02:18:08,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 02:18:08,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 02:18:08,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 02:18:08,145 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 02:18:08,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:18:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 02:18:08,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 02:18:26,323 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 02:18:26,324 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-31 02:18:26,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:18:26 BoogieIcfgContainer [2018-12-31 02:18:26,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 02:18:26,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 02:18:26,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 02:18:26,329 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 02:18:26,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 02:18:07" (1/3) ... [2018-12-31 02:18:26,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f72650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:18:26, skipping insertion in model container [2018-12-31 02:18:26,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:08" (2/3) ... [2018-12-31 02:18:26,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f72650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:18:26, skipping insertion in model container [2018-12-31 02:18:26,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:18:26" (3/3) ... [2018-12-31 02:18:26,333 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_7_false-unreach-call_true-termination.i [2018-12-31 02:18:26,343 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 02:18:26,352 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 02:18:26,369 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 02:18:26,402 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 02:18:26,403 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 02:18:26,403 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 02:18:26,403 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 02:18:26,404 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 02:18:26,404 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 02:18:26,404 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 02:18:26,404 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 02:18:26,405 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 02:18:26,421 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2018-12-31 02:18:26,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-31 02:18:26,428 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 02:18:26,429 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 02:18:26,432 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 02:18:26,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 02:18:26,438 INFO L82 PathProgramCache]: Analyzing trace with hash -718896697, now seen corresponding path program 1 times [2018-12-31 02:18:26,444 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 02:18:26,444 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-31 02:18:26,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 02:19:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:19:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:19:32,315 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 02:19:32,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 02:19:32 BoogieIcfgContainer [2018-12-31 02:19:32,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 02:19:32,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 02:19:32,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 02:19:32,345 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 02:19:32,345 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:18:26" (3/4) ... [2018-12-31 02:19:32,347 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-31 02:19:32,396 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 02:19:32,397 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 02:19:32,398 INFO L168 Benchmark]: Toolchain (without parser) took 84645.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:19:32,400 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:19:32,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.90 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-31 02:19:32,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.93 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-31 02:19:32,403 INFO L168 Benchmark]: Boogie Preprocessor took 30.70 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:19:32,403 INFO L168 Benchmark]: RCFGBuilder took 18179.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-31 02:19:32,406 INFO L168 Benchmark]: TraceAbstraction took 66018.35 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-12-31 02:19:32,407 INFO L168 Benchmark]: Witness Printer took 52.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:19:32,412 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 316.90 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 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 41.93 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.70 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 18179.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 66018.35 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Witness Printer took 52.75 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, 14 locations, 1 error locations. UNSAFE Result, 65.9s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 36.4s 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 proved your program to be incorrect! Received shutdown request...