./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-cdfpl/newton_2_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_2_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 aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f ........................................................................................................................................................................................................................ 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_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 aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f ............................................................................................................................................................................................................................ 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 02:15:33,850 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 02:15:33,852 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 02:15:33,864 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 02:15:33,865 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 02:15:33,866 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 02:15:33,867 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 02:15:33,869 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 02:15:33,871 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 02:15:33,871 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 02:15:33,873 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 02:15:33,873 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 02:15:33,874 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 02:15:33,875 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 02:15:33,876 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 02:15:33,877 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 02:15:33,878 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 02:15:33,880 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 02:15:33,882 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 02:15:33,884 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 02:15:33,885 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 02:15:33,886 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 02:15:33,889 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 02:15:33,889 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 02:15:33,889 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 02:15:33,890 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 02:15:33,892 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 02:15:33,892 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 02:15:33,893 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 02:15:33,895 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 02:15:33,895 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 02:15:33,895 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 02:15:33,896 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 02:15:33,896 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 02:15:33,897 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 02:15:33,897 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 02:15:33,898 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 02:15:33,914 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 02:15:33,914 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 02:15:33,915 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 02:15:33,916 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 02:15:33,916 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 02:15:33,916 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 02:15:33,917 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 02:15:33,917 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 02:15:33,917 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 02:15:33,917 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 02:15:33,917 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 02:15:33,917 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 02:15:33,918 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 02:15:33,918 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 02:15:33,918 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 02:15:33,918 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 02:15:33,918 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 02:15:33,919 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 02:15:33,919 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 02:15:33,919 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 02:15:33,919 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 02:15:33,919 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:15:33,919 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 02:15:33,922 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 02:15:33,922 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 02:15:33,922 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 02:15:33,922 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 02:15:33,922 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 02:15:33,922 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 -> aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f [2018-12-31 02:15:33,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 02:15:33,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 02:15:33,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 02:15:33,978 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 02:15:33,978 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 02:15:33,979 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-12-31 02:15:34,032 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff6062a3f/519087d5750141e79ab6246686522f03/FLAG83334218f [2018-12-31 02:15:34,482 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 02:15:34,483 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-12-31 02:15:34,489 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff6062a3f/519087d5750141e79ab6246686522f03/FLAG83334218f [2018-12-31 02:15:34,847 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff6062a3f/519087d5750141e79ab6246686522f03 [2018-12-31 02:15:34,851 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 02:15:34,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 02:15:34,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 02:15:34,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 02:15:34,857 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 02:15:34,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:15:34" (1/1) ... [2018-12-31 02:15:34,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@150ee754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:34, skipping insertion in model container [2018-12-31 02:15:34,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:15:34" (1/1) ... [2018-12-31 02:15:34,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 02:15:34,886 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 02:15:35,120 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:15:35,128 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 02:15:35,155 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:15:35,175 INFO L195 MainTranslator]: Completed translation [2018-12-31 02:15:35,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:35 WrapperNode [2018-12-31 02:15:35,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 02:15:35,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 02:15:35,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 02:15:35,177 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 02:15:35,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:35" (1/1) ... [2018-12-31 02:15:35,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:35" (1/1) ... [2018-12-31 02:15:35,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 02:15:35,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 02:15:35,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 02:15:35,228 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 02:15:35,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:35" (1/1) ... [2018-12-31 02:15:35,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:35" (1/1) ... [2018-12-31 02:15:35,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:35" (1/1) ... [2018-12-31 02:15:35,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:35" (1/1) ... [2018-12-31 02:15:35,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:35" (1/1) ... [2018-12-31 02:15:35,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:35" (1/1) ... [2018-12-31 02:15:35,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:35" (1/1) ... [2018-12-31 02:15:35,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 02:15:35,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 02:15:35,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 02:15:35,269 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 02:15:35,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:35" (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 02:15:35,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 02:15:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 02:15:35,593 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 02:15:35,594 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-31 02:15:35,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:15:35 BoogieIcfgContainer [2018-12-31 02:15:35,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 02:15:35,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 02:15:35,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 02:15:35,599 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 02:15:35,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 02:15:34" (1/3) ... [2018-12-31 02:15:35,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a55b6e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:15:35, skipping insertion in model container [2018-12-31 02:15:35,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:35" (2/3) ... [2018-12-31 02:15:35,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a55b6e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:15:35, skipping insertion in model container [2018-12-31 02:15:35,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:15:35" (3/3) ... [2018-12-31 02:15:35,604 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_2_7_false-unreach-call_true-termination.i [2018-12-31 02:15:35,615 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 02:15:35,622 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 02:15:35,638 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 02:15:35,670 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 02:15:35,671 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 02:15:35,671 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 02:15:35,671 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 02:15:35,672 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 02:15:35,672 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 02:15:35,672 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 02:15:35,672 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 02:15:35,672 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 02:15:35,686 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-12-31 02:15:35,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-31 02:15:35,692 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 02:15:35,693 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-31 02:15:35,695 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 02:15:35,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 02:15:35,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1573930651, now seen corresponding path program 1 times [2018-12-31 02:15:35,703 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 02:15:35,704 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 02:15:35,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 02:15:35,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 02:15:35,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 02:15:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:15:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:15:35,822 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 02:15:35,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 02:15:35 BoogieIcfgContainer [2018-12-31 02:15:35,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 02:15:35,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 02:15:35,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 02:15:35,843 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 02:15:35,844 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:15:35" (3/4) ... [2018-12-31 02:15:35,848 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 02:15:35,848 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 02:15:35,849 INFO L168 Benchmark]: Toolchain (without parser) took 997.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -125.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:15:35,852 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:15:35,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.89 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-31 02:15:35,854 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.63 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:15:35,854 INFO L168 Benchmark]: Boogie Preprocessor took 40.92 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-31 02:15:35,855 INFO L168 Benchmark]: RCFGBuilder took 325.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-31 02:15:35,857 INFO L168 Benchmark]: TraceAbstraction took 247.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-31 02:15:35,858 INFO L168 Benchmark]: Witness Printer took 5.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-31 02:15:35,865 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.89 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 50.63 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 40.92 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 325.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 247.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 0.1.24-2e94e6a [2018-12-31 02:15:38,266 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 02:15:38,268 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 02:15:38,285 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 02:15:38,286 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 02:15:38,288 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 02:15:38,291 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 02:15:38,294 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 02:15:38,297 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 02:15:38,299 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 02:15:38,301 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 02:15:38,302 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 02:15:38,303 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 02:15:38,306 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 02:15:38,314 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 02:15:38,315 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 02:15:38,317 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 02:15:38,319 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 02:15:38,324 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 02:15:38,326 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 02:15:38,327 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 02:15:38,329 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 02:15:38,333 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 02:15:38,335 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 02:15:38,335 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 02:15:38,336 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 02:15:38,337 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 02:15:38,339 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 02:15:38,340 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 02:15:38,341 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 02:15:38,341 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 02:15:38,344 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 02:15:38,345 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 02:15:38,345 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 02:15:38,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 02:15:38,347 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 02:15:38,349 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 02:15:38,378 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 02:15:38,379 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 02:15:38,380 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 02:15:38,384 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 02:15:38,384 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 02:15:38,384 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 02:15:38,384 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 02:15:38,385 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 02:15:38,386 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 02:15:38,386 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 02:15:38,386 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 02:15:38,386 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 02:15:38,386 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 02:15:38,386 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 02:15:38,387 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 02:15:38,387 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 02:15:38,387 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 02:15:38,387 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 02:15:38,387 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 02:15:38,387 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 02:15:38,390 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 02:15:38,390 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 02:15:38,390 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:15:38,391 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 02:15:38,391 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 02:15:38,391 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 02:15:38,392 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 02:15:38,392 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 02:15:38,392 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 02:15:38,392 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 02:15:38,392 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 -> aa8c67e8913fc2cd1e62a9cfd95ae3f25cd4036f [2018-12-31 02:15:38,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 02:15:38,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 02:15:38,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 02:15:38,488 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 02:15:38,488 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 02:15:38,489 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-12-31 02:15:38,555 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c7b66707/07990fffe2744185b10f758d46c9562f/FLAG7973828a9 [2018-12-31 02:15:39,033 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 02:15:39,033 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_2_7_false-unreach-call_true-termination.i [2018-12-31 02:15:39,040 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c7b66707/07990fffe2744185b10f758d46c9562f/FLAG7973828a9 [2018-12-31 02:15:39,380 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c7b66707/07990fffe2744185b10f758d46c9562f [2018-12-31 02:15:39,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 02:15:39,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 02:15:39,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 02:15:39,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 02:15:39,389 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 02:15:39,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:15:39" (1/1) ... [2018-12-31 02:15:39,394 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 02:15:39, skipping insertion in model container [2018-12-31 02:15:39,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:15:39" (1/1) ... [2018-12-31 02:15:39,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 02:15:39,422 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 02:15:39,671 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:15:39,681 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 02:15:39,716 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:15:39,738 INFO L195 MainTranslator]: Completed translation [2018-12-31 02:15:39,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:39 WrapperNode [2018-12-31 02:15:39,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 02:15:39,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 02:15:39,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 02:15:39,740 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 02:15:39,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:39" (1/1) ... [2018-12-31 02:15:39,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:39" (1/1) ... [2018-12-31 02:15:39,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 02:15:39,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 02:15:39,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 02:15:39,794 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 02:15:39,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:39" (1/1) ... [2018-12-31 02:15:39,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:39" (1/1) ... [2018-12-31 02:15:39,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:39" (1/1) ... [2018-12-31 02:15:39,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:39" (1/1) ... [2018-12-31 02:15:39,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:39" (1/1) ... [2018-12-31 02:15:39,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:39" (1/1) ... [2018-12-31 02:15:39,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:39" (1/1) ... [2018-12-31 02:15:39,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 02:15:39,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 02:15:39,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 02:15:39,847 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 02:15:39,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:39" (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 02:15:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 02:15:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 02:15:50,751 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 02:15:50,751 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-31 02:15:50,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:15:50 BoogieIcfgContainer [2018-12-31 02:15:50,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 02:15:50,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 02:15:50,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 02:15:50,758 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 02:15:50,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 02:15:39" (1/3) ... [2018-12-31 02:15:50,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d84c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:15:50, skipping insertion in model container [2018-12-31 02:15:50,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:15:39" (2/3) ... [2018-12-31 02:15:50,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d84c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:15:50, skipping insertion in model container [2018-12-31 02:15:50,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:15:50" (3/3) ... [2018-12-31 02:15:50,766 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_2_7_false-unreach-call_true-termination.i [2018-12-31 02:15:50,787 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 02:15:50,797 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 02:15:50,834 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 02:15:50,892 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 02:15:50,893 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 02:15:50,894 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 02:15:50,894 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 02:15:50,895 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 02:15:50,895 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 02:15:50,895 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 02:15:50,895 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 02:15:50,895 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 02:15:50,911 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-12-31 02:15:50,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-31 02:15:50,918 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 02:15:50,919 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-31 02:15:50,922 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 02:15:50,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 02:15:50,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1573930651, now seen corresponding path program 1 times [2018-12-31 02:15:50,934 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 02:15:50,934 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-12-31 02:15:50,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-31 02:16:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:23:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:23:47,974 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 02:23:48,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 02:23:47 BoogieIcfgContainer [2018-12-31 02:23:48,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 02:23:48,000 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 02:23:48,000 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 02:23:48,001 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 02:23:48,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:15:50" (3/4) ... [2018-12-31 02:23:48,004 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-31 02:23:48,068 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 02:23:48,068 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 02:23:48,069 INFO L168 Benchmark]: Toolchain (without parser) took 488685.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:23:48,072 INFO L168 Benchmark]: CDTParser took 0.16 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 02:23:48,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.90 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-31 02:23:48,074 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.03 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:23:48,075 INFO L168 Benchmark]: Boogie Preprocessor took 53.05 ms. Allocated memory is still 1.0 GB. Free memory was 935.3 MB in the beginning and 929.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-31 02:23:48,076 INFO L168 Benchmark]: RCFGBuilder took 10906.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-31 02:23:48,077 INFO L168 Benchmark]: TraceAbstraction took 477245.97 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2018-12-31 02:23:48,078 INFO L168 Benchmark]: Witness Printer took 67.78 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 02:23:48,085 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.90 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.03 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.05 ms. Allocated memory is still 1.0 GB. Free memory was 935.3 MB in the beginning and 929.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10906.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 477245.97 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Witness Printer took 67.78 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, 12 locations, 1 error locations. UNSAFE Result, 477.1s 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, 68.1s 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 proved your program to be incorrect! Received shutdown request...