./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2602ec85874add80e06b2692c2aa37caac725410 ........................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2602ec85874add80e06b2692c2aa37caac725410 ............................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 02:18:16,341 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 02:18:16,343 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 02:18:16,358 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 02:18:16,358 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 02:18:16,359 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 02:18:16,361 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 02:18:16,364 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 02:18:16,366 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 02:18:16,367 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 02:18:16,367 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 02:18:16,368 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 02:18:16,369 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 02:18:16,370 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 02:18:16,371 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 02:18:16,372 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 02:18:16,373 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 02:18:16,376 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 02:18:16,378 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 02:18:16,380 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 02:18:16,381 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 02:18:16,383 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 02:18:16,386 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 02:18:16,386 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 02:18:16,386 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 02:18:16,388 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 02:18:16,389 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 02:18:16,390 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 02:18:16,391 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 02:18:16,392 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 02:18:16,393 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 02:18:16,393 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 02:18:16,394 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 02:18:16,394 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 02:18:16,396 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 02:18:16,396 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 02:18:16,397 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 02:18:16,413 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 02:18:16,414 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 02:18:16,415 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 02:18:16,415 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 02:18:16,415 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 02:18:16,416 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 02:18:16,416 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 02:18:16,417 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 02:18:16,417 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 02:18:16,417 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 02:18:16,417 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 02:18:16,417 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 02:18:16,418 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 02:18:16,418 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 02:18:16,418 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 02:18:16,418 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 02:18:16,418 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 02:18:16,420 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 02:18:16,420 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 02:18:16,420 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 02:18:16,420 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 02:18:16,421 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:18:16,421 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 02:18:16,421 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 02:18:16,421 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 02:18:16,421 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 02:18:16,421 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 02:18:16,423 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 02:18:16,423 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 -> 2602ec85874add80e06b2692c2aa37caac725410 [2018-12-31 02:18:16,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 02:18:16,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 02:18:16,508 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 02:18:16,510 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 02:18:16,510 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 02:18:16,511 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-12-31 02:18:16,584 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc4921e81/78f47284f2f949b98fba481c1a17dd3c/FLAGc0284d680 [2018-12-31 02:18:17,006 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 02:18:17,006 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-12-31 02:18:17,012 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc4921e81/78f47284f2f949b98fba481c1a17dd3c/FLAGc0284d680 [2018-12-31 02:18:17,380 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc4921e81/78f47284f2f949b98fba481c1a17dd3c [2018-12-31 02:18:17,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 02:18:17,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 02:18:17,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 02:18:17,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 02:18:17,392 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 02:18:17,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:18:17" (1/1) ... [2018-12-31 02:18:17,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be2223f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:17, skipping insertion in model container [2018-12-31 02:18:17,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:18:17" (1/1) ... [2018-12-31 02:18:17,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 02:18:17,425 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 02:18:17,620 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:18:17,625 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 02:18:17,659 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:18:17,678 INFO L195 MainTranslator]: Completed translation [2018-12-31 02:18:17,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:17 WrapperNode [2018-12-31 02:18:17,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 02:18:17,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 02:18:17,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 02:18:17,681 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 02:18:17,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:17" (1/1) ... [2018-12-31 02:18:17,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:17" (1/1) ... [2018-12-31 02:18:17,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 02:18:17,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 02:18:17,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 02:18:17,732 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 02:18:17,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:17" (1/1) ... [2018-12-31 02:18:17,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:17" (1/1) ... [2018-12-31 02:18:17,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:17" (1/1) ... [2018-12-31 02:18:17,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:17" (1/1) ... [2018-12-31 02:18:17,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:17" (1/1) ... [2018-12-31 02:18:17,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:17" (1/1) ... [2018-12-31 02:18:17,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:17" (1/1) ... [2018-12-31 02:18:17,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 02:18:17,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 02:18:17,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 02:18:17,777 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 02:18:17,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:18:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 02:18:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 02:18:18,206 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 02:18:18,206 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-31 02:18:18,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:18:18 BoogieIcfgContainer [2018-12-31 02:18:18,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 02:18:18,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 02:18:18,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 02:18:18,213 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 02:18:18,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 02:18:17" (1/3) ... [2018-12-31 02:18:18,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434a7952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:18:18, skipping insertion in model container [2018-12-31 02:18:18,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:17" (2/3) ... [2018-12-31 02:18:18,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434a7952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:18:18, skipping insertion in model container [2018-12-31 02:18:18,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:18:18" (3/3) ... [2018-12-31 02:18:18,218 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_8_false-unreach-call_true-termination.i [2018-12-31 02:18:18,236 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 02:18:18,247 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 02:18:18,271 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 02:18:18,309 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 02:18:18,310 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 02:18:18,310 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 02:18:18,311 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 02:18:18,311 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 02:18:18,311 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 02:18:18,312 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 02:18:18,312 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 02:18:18,312 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 02:18:18,331 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2018-12-31 02:18:18,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-31 02:18:18,345 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 02:18:18,346 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 02:18:18,350 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 02:18:18,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 02:18:18,357 INFO L82 PathProgramCache]: Analyzing trace with hash -718896697, now seen corresponding path program 1 times [2018-12-31 02:18:18,359 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 02:18:18,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 02:18:18,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 02:18:18,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 02:18:18,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 02:18:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:18:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:18:18,503 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 02:18:18,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 02:18:18 BoogieIcfgContainer [2018-12-31 02:18:18,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 02:18:18,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 02:18:18,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 02:18:18,527 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 02:18:18,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:18:18" (3/4) ... [2018-12-31 02:18:18,533 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 02:18:18,533 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 02:18:18,535 INFO L168 Benchmark]: Toolchain (without parser) took 1149.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -129.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:18:18,537 INFO L168 Benchmark]: CDTParser took 0.16 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 02:18:18,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.03 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 02:18:18,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.00 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 02:18:18,541 INFO L168 Benchmark]: Boogie Preprocessor took 44.75 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 02:18:18,542 INFO L168 Benchmark]: RCFGBuilder took 430.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-31 02:18:18,543 INFO L168 Benchmark]: TraceAbstraction took 317.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-31 02:18:18,545 INFO L168 Benchmark]: Witness Printer took 6.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:18:18,550 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 292.03 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 51.00 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 44.75 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 430.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 317.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Witness Printer took 6.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 23. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L19] float x = IN - f(IN)/fp(IN); [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L21] x = x - f(x)/fp(x) [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) [L28] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2018-12-31 02:18:21,018 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 02:18:21,020 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 02:18:21,032 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 02:18:21,033 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 02:18:21,034 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 02:18:21,036 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 02:18:21,038 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 02:18:21,042 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 02:18:21,046 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 02:18:21,047 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 02:18:21,047 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 02:18:21,048 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 02:18:21,049 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 02:18:21,051 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 02:18:21,052 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 02:18:21,053 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 02:18:21,055 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 02:18:21,057 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 02:18:21,059 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 02:18:21,061 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 02:18:21,062 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 02:18:21,065 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 02:18:21,066 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 02:18:21,066 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 02:18:21,067 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 02:18:21,069 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 02:18:21,070 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 02:18:21,071 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 02:18:21,072 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 02:18:21,073 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 02:18:21,074 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 02:18:21,074 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 02:18:21,074 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 02:18:21,076 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 02:18:21,077 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 02:18:21,077 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 02:18:21,101 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 02:18:21,102 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 02:18:21,106 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 02:18:21,107 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 02:18:21,108 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 02:18:21,108 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 02:18:21,108 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 02:18:21,108 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 02:18:21,108 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 02:18:21,108 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 02:18:21,109 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 02:18:21,109 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 02:18:21,109 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 02:18:21,109 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 02:18:21,109 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 02:18:21,109 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 02:18:21,112 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 02:18:21,112 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 02:18:21,112 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 02:18:21,113 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 02:18:21,113 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 02:18:21,113 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 02:18:21,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:18:21,113 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 02:18:21,113 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 02:18:21,114 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 02:18:21,114 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 02:18:21,114 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 02:18:21,114 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 02:18:21,114 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 02:18:21,114 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 -> 2602ec85874add80e06b2692c2aa37caac725410 [2018-12-31 02:18:21,155 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 02:18:21,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 02:18:21,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 02:18:21,185 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 02:18:21,186 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 02:18:21,187 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-12-31 02:18:21,248 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c51594f/890911524b33423eb538702723e10597/FLAGca6f7a24e [2018-12-31 02:18:21,723 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 02:18:21,723 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-12-31 02:18:21,730 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c51594f/890911524b33423eb538702723e10597/FLAGca6f7a24e [2018-12-31 02:18:22,218 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c51594f/890911524b33423eb538702723e10597 [2018-12-31 02:18:22,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 02:18:22,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 02:18:22,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 02:18:22,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 02:18:22,229 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 02:18:22,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:18:22" (1/1) ... [2018-12-31 02:18:22,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730476d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:22, skipping insertion in model container [2018-12-31 02:18:22,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:18:22" (1/1) ... [2018-12-31 02:18:22,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 02:18:22,261 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 02:18:22,514 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:18:22,526 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 02:18:22,572 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:18:22,596 INFO L195 MainTranslator]: Completed translation [2018-12-31 02:18:22,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:22 WrapperNode [2018-12-31 02:18:22,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 02:18:22,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 02:18:22,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 02:18:22,602 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 02:18:22,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:22" (1/1) ... [2018-12-31 02:18:22,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:22" (1/1) ... [2018-12-31 02:18:22,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 02:18:22,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 02:18:22,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 02:18:22,658 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 02:18:22,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:22" (1/1) ... [2018-12-31 02:18:22,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:22" (1/1) ... [2018-12-31 02:18:22,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:22" (1/1) ... [2018-12-31 02:18:22,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:22" (1/1) ... [2018-12-31 02:18:22,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:22" (1/1) ... [2018-12-31 02:18:22,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:22" (1/1) ... [2018-12-31 02:18:22,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:22" (1/1) ... [2018-12-31 02:18:22,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 02:18:22,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 02:18:22,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 02:18:22,766 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 02:18:22,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:18:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 02:18:22,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 02:18:39,080 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 02:18:39,081 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-31 02:18:39,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:18:39 BoogieIcfgContainer [2018-12-31 02:18:39,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 02:18:39,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 02:18:39,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 02:18:39,086 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 02:18:39,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 02:18:22" (1/3) ... [2018-12-31 02:18:39,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7097f610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:18:39, skipping insertion in model container [2018-12-31 02:18:39,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:18:22" (2/3) ... [2018-12-31 02:18:39,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7097f610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:18:39, skipping insertion in model container [2018-12-31 02:18:39,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:18:39" (3/3) ... [2018-12-31 02:18:39,091 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_8_false-unreach-call_true-termination.i [2018-12-31 02:18:39,099 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 02:18:39,108 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 02:18:39,126 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 02:18:39,158 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 02:18:39,159 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 02:18:39,160 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 02:18:39,160 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 02:18:39,161 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 02:18:39,161 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 02:18:39,161 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 02:18:39,161 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 02:18:39,161 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 02:18:39,178 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2018-12-31 02:18:39,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-31 02:18:39,185 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 02:18:39,186 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 02:18:39,188 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 02:18:39,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 02:18:39,194 INFO L82 PathProgramCache]: Analyzing trace with hash -718896697, now seen corresponding path program 1 times [2018-12-31 02:18:39,200 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 02:18:39,200 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-31 02:18:39,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 02:18:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:19:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:19:57,864 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 02:19:57,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 02:19:57 BoogieIcfgContainer [2018-12-31 02:19:57,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 02:19:57,908 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 02:19:57,908 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 02:19:57,909 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 02:19:57,909 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:18:39" (3/4) ... [2018-12-31 02:19:57,912 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-31 02:19:57,985 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 02:19:57,985 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 02:19:57,986 INFO L168 Benchmark]: Toolchain (without parser) took 95763.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -126.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:19:57,988 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:19:57,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.20 ms. Allocated memory is still 1.0 GB. Free memory was 954.0 MB in the beginning and 943.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-31 02:19:57,990 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.79 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 937.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-31 02:19:57,991 INFO L168 Benchmark]: Boogie Preprocessor took 107.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-31 02:19:57,992 INFO L168 Benchmark]: RCFGBuilder took 16316.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-31 02:19:57,993 INFO L168 Benchmark]: TraceAbstraction took 78825.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-12-31 02:19:57,994 INFO L168 Benchmark]: Witness Printer took 77.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:19:58,000 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 372.20 ms. Allocated memory is still 1.0 GB. Free memory was 954.0 MB in the beginning and 943.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.79 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 937.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 107.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 16316.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 78825.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Witness Printer took 77.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L19] float x = IN - f(IN)/fp(IN); [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L21] x = x - f(x)/fp(x) [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) [L28] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. UNSAFE Result, 78.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 5.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...