./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/floats-cdfpl/newton_1_4_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 80e6cba3a638c96413a46f146860cf66cd7d52ab ............................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/floats-cdfpl/newton_1_4_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 80e6cba3a638c96413a46f146860cf66cd7d52ab ............................................................................................................................................................................................................................................... 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 0.1.24-91b1670 [2018-11-28 17:35:24,329 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:35:24,333 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:35:24,350 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:35:24,351 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:35:24,352 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:35:24,354 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:35:24,356 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:35:24,358 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:35:24,358 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:35:24,360 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:35:24,360 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:35:24,361 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:35:24,362 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:35:24,363 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:35:24,364 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:35:24,365 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:35:24,367 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:35:24,370 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:35:24,371 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:35:24,373 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:35:24,374 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:35:24,377 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:35:24,377 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:35:24,377 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:35:24,378 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:35:24,379 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:35:24,381 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:35:24,381 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:35:24,383 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:35:24,383 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:35:24,384 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:35:24,384 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:35:24,384 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:35:24,385 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:35:24,387 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:35:24,387 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 17:35:24,414 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:35:24,415 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:35:24,416 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:35:24,416 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:35:24,417 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:35:24,417 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:35:24,417 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:35:24,417 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:35:24,417 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:35:24,417 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 17:35:24,418 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:35:24,418 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:35:24,418 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:35:24,418 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:35:24,418 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:35:24,419 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:35:24,420 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:35:24,420 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:35:24,420 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:35:24,421 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:35:24,421 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:35:24,421 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:35:24,421 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:35:24,421 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:35:24,421 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:35:24,423 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:35:24,423 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:35:24,423 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 17:35:24,423 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:35:24,423 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 17:35:24,423 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 -> 80e6cba3a638c96413a46f146860cf66cd7d52ab [2018-11-28 17:35:24,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:35:24,472 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:35:24,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:35:24,478 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:35:24,479 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:35:24,479 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i [2018-11-28 17:35:24,541 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db9068257/dffad73ece5a409aa1616b5cad54fed4/FLAG2fc2fef13 [2018-11-28 17:35:24,985 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:35:24,986 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i [2018-11-28 17:35:24,995 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db9068257/dffad73ece5a409aa1616b5cad54fed4/FLAG2fc2fef13 [2018-11-28 17:35:25,354 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db9068257/dffad73ece5a409aa1616b5cad54fed4 [2018-11-28 17:35:25,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:35:25,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:35:25,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:35:25,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:35:25,365 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:35:25,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:35:25" (1/1) ... [2018-11-28 17:35:25,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5505eadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:25, skipping insertion in model container [2018-11-28 17:35:25,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:35:25" (1/1) ... [2018-11-28 17:35:25,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:35:25,400 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:35:25,608 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:35:25,615 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:35:25,645 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:35:25,664 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:35:25,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:25 WrapperNode [2018-11-28 17:35:25,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:35:25,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:35:25,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:35:25,667 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:35:25,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:25" (1/1) ... [2018-11-28 17:35:25,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:25" (1/1) ... [2018-11-28 17:35:25,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:35:25,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:35:25,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:35:25,693 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:35:25,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:25" (1/1) ... [2018-11-28 17:35:25,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:25" (1/1) ... [2018-11-28 17:35:25,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:25" (1/1) ... [2018-11-28 17:35:25,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:25" (1/1) ... [2018-11-28 17:35:25,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:25" (1/1) ... [2018-11-28 17:35:25,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:25" (1/1) ... [2018-11-28 17:35:25,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:25" (1/1) ... [2018-11-28 17:35:25,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:35:25,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:35:25,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:35:25,714 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:35:25,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:25" (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 [2018-11-28 17:35:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:35:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:35:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 17:35:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 17:35:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:35:25,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:35:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-28 17:35:25,850 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-28 17:35:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:35:25,850 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:35:26,067 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:35:26,067 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 17:35:26,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:35:26 BoogieIcfgContainer [2018-11-28 17:35:26,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:35:26,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:35:26,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:35:26,074 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:35:26,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:35:25" (1/3) ... [2018-11-28 17:35:26,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75db4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:35:26, skipping insertion in model container [2018-11-28 17:35:26,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:25" (2/3) ... [2018-11-28 17:35:26,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75db4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:35:26, skipping insertion in model container [2018-11-28 17:35:26,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:35:26" (3/3) ... [2018-11-28 17:35:26,079 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_4_false-unreach-call_true-termination.i [2018-11-28 17:35:26,090 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:35:26,099 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:35:26,131 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:35:26,192 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:35:26,193 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:35:26,194 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:35:26,194 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:35:26,194 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:35:26,195 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:35:26,195 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:35:26,195 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:35:26,195 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:35:26,217 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-28 17:35:26,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 17:35:26,224 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:35:26,225 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:35:26,228 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:35:26,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:35:26,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-11-28 17:35:26,245 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:35:26,250 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:35:26,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:35:26,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:35:26,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:35:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:35:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:35:26,382 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 17:35:26,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:35:26 BoogieIcfgContainer [2018-11-28 17:35:26,413 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:35:26,414 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:35:26,414 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:35:26,414 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:35:26,415 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:35:26" (3/4) ... [2018-11-28 17:35:26,420 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 17:35:26,420 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:35:26,421 INFO L168 Benchmark]: Toolchain (without parser) took 1062.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -154.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:35:26,424 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-28 17:35:26,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.38 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. [2018-11-28 17:35:26,426 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.80 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:35:26,427 INFO L168 Benchmark]: Boogie Preprocessor took 20.85 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:35:26,427 INFO L168 Benchmark]: RCFGBuilder took 353.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:35:26,429 INFO L168 Benchmark]: TraceAbstraction took 344.30 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: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2018-11-28 17:35:26,430 INFO L168 Benchmark]: Witness Printer took 6.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:35:26,437 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 305.38 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 26.80 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.85 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 353.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 344.30 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: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. * Witness Printer took 6.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 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 19. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=2] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=2, x=2] [L19] RET, EXPR f(IN) VAL [f(IN)=1, IN=2] [L19] CALL, EXPR fp(IN) VAL [\old(x)=2] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=2, x=2] [L19] RET, EXPR fp(IN) VAL [f(IN)=1, fp(IN)=0, IN=2] [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) VAL [IN=2] [L28] __VERIFIER_error() VAL [IN=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 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=22occurred 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, 16 NumberOfCodeBlocks, 16 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 0.1.24-91b1670 [2018-11-28 17:35:28,897 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:35:28,899 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:35:28,914 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:35:28,915 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:35:28,917 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:35:28,920 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:35:28,923 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:35:28,926 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:35:28,933 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:35:28,935 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:35:28,938 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:35:28,939 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:35:28,942 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:35:28,945 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:35:28,946 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:35:28,948 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:35:28,951 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:35:28,957 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:35:28,958 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:35:28,961 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:35:28,964 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:35:28,969 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:35:28,969 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:35:28,969 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:35:28,973 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:35:28,974 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:35:28,976 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:35:28,980 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:35:28,981 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:35:28,981 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:35:28,984 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:35:28,984 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:35:28,984 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:35:28,987 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:35:28,988 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:35:28,989 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 17:35:29,013 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:35:29,013 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:35:29,015 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:35:29,015 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:35:29,016 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:35:29,016 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:35:29,016 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:35:29,017 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:35:29,017 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:35:29,018 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:35:29,018 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:35:29,018 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:35:29,018 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:35:29,018 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:35:29,018 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 17:35:29,019 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 17:35:29,019 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:35:29,019 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:35:29,019 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:35:29,019 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:35:29,020 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:35:29,021 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:35:29,021 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:35:29,021 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:35:29,022 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:35:29,022 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:35:29,022 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:35:29,022 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:35:29,022 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 17:35:29,023 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:35:29,023 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 17:35:29,023 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 17:35:29,023 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 -> 80e6cba3a638c96413a46f146860cf66cd7d52ab [2018-11-28 17:35:29,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:35:29,099 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:35:29,106 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:35:29,107 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:35:29,108 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:35:29,109 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i [2018-11-28 17:35:29,173 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55867ab02/53cc3608c59f4636a17fdc49d701816b/FLAGb745dc444 [2018-11-28 17:35:29,625 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:35:29,626 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_1_4_false-unreach-call_true-termination.i [2018-11-28 17:35:29,632 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55867ab02/53cc3608c59f4636a17fdc49d701816b/FLAGb745dc444 [2018-11-28 17:35:29,993 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55867ab02/53cc3608c59f4636a17fdc49d701816b [2018-11-28 17:35:29,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:35:29,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:35:30,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:35:30,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:35:30,004 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:35:30,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:35:29" (1/1) ... [2018-11-28 17:35:30,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dcd562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:30, skipping insertion in model container [2018-11-28 17:35:30,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:35:29" (1/1) ... [2018-11-28 17:35:30,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:35:30,031 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:35:30,221 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:35:30,226 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:35:30,248 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:35:30,264 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:35:30,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:30 WrapperNode [2018-11-28 17:35:30,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:35:30,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:35:30,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:35:30,266 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:35:30,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:30" (1/1) ... [2018-11-28 17:35:30,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:30" (1/1) ... [2018-11-28 17:35:30,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:35:30,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:35:30,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:35:30,292 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:35:30,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:30" (1/1) ... [2018-11-28 17:35:30,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:30" (1/1) ... [2018-11-28 17:35:30,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:30" (1/1) ... [2018-11-28 17:35:30,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:30" (1/1) ... [2018-11-28 17:35:30,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:30" (1/1) ... [2018-11-28 17:35:30,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:30" (1/1) ... [2018-11-28 17:35:30,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:30" (1/1) ... [2018-11-28 17:35:30,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:35:30,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:35:30,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:35:30,324 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:35:30,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:30" (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 [2018-11-28 17:35:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:35:30,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:35:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 17:35:30,452 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 17:35:30,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:35:30,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:35:30,452 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-11-28 17:35:30,452 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-11-28 17:35:30,452 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:35:30,452 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:35:36,540 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:35:36,540 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 17:35:36,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:35:36 BoogieIcfgContainer [2018-11-28 17:35:36,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:35:36,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:35:36,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:35:36,547 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:35:36,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:35:29" (1/3) ... [2018-11-28 17:35:36,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6919d176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:35:36, skipping insertion in model container [2018-11-28 17:35:36,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:35:30" (2/3) ... [2018-11-28 17:35:36,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6919d176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:35:36, skipping insertion in model container [2018-11-28 17:35:36,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:35:36" (3/3) ... [2018-11-28 17:35:36,552 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_4_false-unreach-call_true-termination.i [2018-11-28 17:35:36,565 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:35:36,574 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:35:36,590 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:35:36,621 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:35:36,622 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:35:36,622 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:35:36,622 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:35:36,624 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:35:36,624 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:35:36,624 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:35:36,625 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:35:36,625 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:35:36,648 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-28 17:35:36,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 17:35:36,655 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:35:36,656 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:35:36,659 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:35:36,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:35:36,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-11-28 17:35:36,672 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:35:36,673 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 [2018-11-28 17:35:36,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:35:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:35:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:35:58,002 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 17:35:58,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:35:58 BoogieIcfgContainer [2018-11-28 17:35:58,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:35:58,040 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:35:58,040 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:35:58,040 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:35:58,041 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:35:36" (3/4) ... [2018-11-28 17:35:58,043 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 17:35:58,094 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 17:35:58,094 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:35:58,095 INFO L168 Benchmark]: Toolchain (without parser) took 28096.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:35:58,097 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-11-28 17:35:58,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.59 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:35:58,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.54 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. [2018-11-28 17:35:58,100 INFO L168 Benchmark]: Boogie Preprocessor took 31.77 ms. Allocated memory is still 1.0 GB. Free memory was 936.6 MB in the beginning and 931.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 17:35:58,102 INFO L168 Benchmark]: RCFGBuilder took 6216.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:35:58,104 INFO L168 Benchmark]: TraceAbstraction took 21497.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-28 17:35:58,104 INFO L168 Benchmark]: Witness Printer took 54.00 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. [2018-11-28 17:35:58,109 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 264.59 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 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 26.54 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. * Boogie Preprocessor took 31.77 ms. Allocated memory is still 1.0 GB. Free memory was 936.6 MB in the beginning and 931.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6216.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21497.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Witness Printer took 54.00 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(); [L19] CALL, EXPR f(IN) VAL [\old(x)=-0.6982148289680481] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=-0.6982148289680481, \result=-0.64288330078125, x=-0.6982148289680481] [L19] RET, EXPR f(IN) VAL [f(IN)=-0.64288330078125, IN=-0.6982148289680481] [L19] CALL, EXPR fp(IN) VAL [\old(x)=-0.6982148289680481] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-0.6982148289680481, \result=0.7663114070892334, x=-0.6982148289680481] [L19] RET, EXPR fp(IN) VAL [f(IN)=-0.64288330078125, fp(IN)=0.7663114070892334, IN=-0.6982148289680481] [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) VAL [IN=-0.6982148289680481, x=0.14071732759475708] [L28] __VERIFIER_error() VAL [IN=-0.6982148289680481, x=0.14071732759475708] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. UNSAFE Result, 21.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 13.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 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...