./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-cdfpl/sine_3_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/sine_3_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 efc3beffa131f51d6103293c64eabba4e9dcb6a3 ..................................................................................................................................................................................................................... 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/sine_3_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 efc3beffa131f51d6103293c64eabba4e9dcb6a3 ....................................................................................................................................................................................................................... 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 02:21:35,295 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 02:21:35,297 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 02:21:35,310 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 02:21:35,310 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 02:21:35,311 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 02:21:35,312 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 02:21:35,315 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 02:21:35,316 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 02:21:35,317 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 02:21:35,318 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 02:21:35,318 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 02:21:35,319 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 02:21:35,320 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 02:21:35,322 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 02:21:35,322 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 02:21:35,323 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 02:21:35,325 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 02:21:35,328 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 02:21:35,329 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 02:21:35,330 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 02:21:35,332 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 02:21:35,335 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 02:21:35,335 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 02:21:35,335 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 02:21:35,336 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 02:21:35,337 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 02:21:35,338 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 02:21:35,339 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 02:21:35,340 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 02:21:35,341 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 02:21:35,341 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 02:21:35,342 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 02:21:35,342 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 02:21:35,343 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 02:21:35,344 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 02:21:35,344 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 02:21:35,372 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 02:21:35,373 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 02:21:35,374 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 02:21:35,375 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 02:21:35,375 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 02:21:35,375 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 02:21:35,375 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 02:21:35,375 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 02:21:35,376 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 02:21:35,376 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 02:21:35,376 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 02:21:35,376 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 02:21:35,376 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 02:21:35,376 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 02:21:35,378 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 02:21:35,378 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 02:21:35,378 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 02:21:35,378 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 02:21:35,378 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 02:21:35,379 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 02:21:35,379 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 02:21:35,379 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:21:35,379 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 02:21:35,379 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 02:21:35,379 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 02:21:35,381 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 02:21:35,381 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 02:21:35,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 02:21:35,381 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 -> efc3beffa131f51d6103293c64eabba4e9dcb6a3 [2018-12-31 02:21:35,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 02:21:35,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 02:21:35,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 02:21:35,474 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 02:21:35,475 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 02:21:35,476 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/sine_3_false-unreach-call_true-termination.i [2018-12-31 02:21:35,552 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99078e50e/e666f9c7084141419be9584054eec743/FLAG69cbe94b2 [2018-12-31 02:21:36,025 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 02:21:36,026 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/sine_3_false-unreach-call_true-termination.i [2018-12-31 02:21:36,032 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99078e50e/e666f9c7084141419be9584054eec743/FLAG69cbe94b2 [2018-12-31 02:21:36,389 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99078e50e/e666f9c7084141419be9584054eec743 [2018-12-31 02:21:36,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 02:21:36,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 02:21:36,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 02:21:36,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 02:21:36,401 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 02:21:36,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:21:36" (1/1) ... [2018-12-31 02:21:36,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56effeec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:36, skipping insertion in model container [2018-12-31 02:21:36,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:21:36" (1/1) ... [2018-12-31 02:21:36,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 02:21:36,435 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 02:21:36,618 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:21:36,624 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 02:21:36,646 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:21:36,662 INFO L195 MainTranslator]: Completed translation [2018-12-31 02:21:36,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:36 WrapperNode [2018-12-31 02:21:36,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 02:21:36,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 02:21:36,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 02:21:36,665 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 02:21:36,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:36" (1/1) ... [2018-12-31 02:21:36,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:36" (1/1) ... [2018-12-31 02:21:36,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 02:21:36,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 02:21:36,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 02:21:36,710 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 02:21:36,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:36" (1/1) ... [2018-12-31 02:21:36,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:36" (1/1) ... [2018-12-31 02:21:36,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:36" (1/1) ... [2018-12-31 02:21:36,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:36" (1/1) ... [2018-12-31 02:21:36,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:36" (1/1) ... [2018-12-31 02:21:36,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:36" (1/1) ... [2018-12-31 02:21:36,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:36" (1/1) ... [2018-12-31 02:21:36,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 02:21:36,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 02:21:36,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 02:21:36,746 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 02:21:36,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:36" (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 02:21:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 02:21:36,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 02:21:37,134 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 02:21:37,135 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-31 02:21:37,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:21:37 BoogieIcfgContainer [2018-12-31 02:21:37,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 02:21:37,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 02:21:37,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 02:21:37,141 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 02:21:37,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 02:21:36" (1/3) ... [2018-12-31 02:21:37,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e82c741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:21:37, skipping insertion in model container [2018-12-31 02:21:37,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:36" (2/3) ... [2018-12-31 02:21:37,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e82c741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:21:37, skipping insertion in model container [2018-12-31 02:21:37,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:21:37" (3/3) ... [2018-12-31 02:21:37,146 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_3_false-unreach-call_true-termination.i [2018-12-31 02:21:37,155 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 02:21:37,162 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 02:21:37,177 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 02:21:37,211 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 02:21:37,212 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 02:21:37,212 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 02:21:37,212 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 02:21:37,212 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 02:21:37,212 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 02:21:37,212 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 02:21:37,213 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 02:21:37,213 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 02:21:37,229 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-12-31 02:21:37,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-31 02:21:37,236 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 02:21:37,237 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-12-31 02:21:37,239 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 02:21:37,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 02:21:37,246 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2018-12-31 02:21:37,248 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 02:21:37,249 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 02:21:37,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 02:21:37,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 02:21:37,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 02:21:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:21:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:21:37,357 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 02:21:37,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 02:21:37 BoogieIcfgContainer [2018-12-31 02:21:37,377 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 02:21:37,377 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 02:21:37,377 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 02:21:37,377 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 02:21:37,378 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:21:37" (3/4) ... [2018-12-31 02:21:37,382 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 02:21:37,382 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 02:21:37,383 INFO L168 Benchmark]: Toolchain (without parser) took 989.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:21:37,386 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. [2018-12-31 02:21:37,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.13 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 02:21:37,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.02 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 02:21:37,389 INFO L168 Benchmark]: Boogie Preprocessor took 28.52 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 02:21:37,390 INFO L168 Benchmark]: RCFGBuilder took 396.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-12-31 02:21:37,391 INFO L168 Benchmark]: TraceAbstraction took 239.82 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: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-31 02:21:37,392 INFO L168 Benchmark]: Witness Printer took 5.49 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 02:21:37,398 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 267.13 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 45.02 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 28.52 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. * RCFGBuilder took 396.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 239.82 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: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 14]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L13] COND TRUE !(result <= 1.001f && result >= -1.001f) [L14] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 3 NumberOfCodeBlocks, 3 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 02:21:39,756 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 02:21:39,758 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 02:21:39,770 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 02:21:39,770 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 02:21:39,772 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 02:21:39,773 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 02:21:39,783 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 02:21:39,785 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 02:21:39,786 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 02:21:39,787 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 02:21:39,787 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 02:21:39,788 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 02:21:39,789 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 02:21:39,790 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 02:21:39,791 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 02:21:39,792 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 02:21:39,797 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 02:21:39,800 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 02:21:39,805 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 02:21:39,809 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 02:21:39,811 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 02:21:39,815 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 02:21:39,817 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 02:21:39,817 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 02:21:39,818 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 02:21:39,819 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 02:21:39,819 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 02:21:39,823 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 02:21:39,825 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 02:21:39,825 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 02:21:39,825 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 02:21:39,827 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 02:21:39,827 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 02:21:39,829 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 02:21:39,830 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 02:21:39,832 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 02:21:39,854 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 02:21:39,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 02:21:39,856 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 02:21:39,856 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 02:21:39,856 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 02:21:39,856 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 02:21:39,856 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 02:21:39,857 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 02:21:39,857 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 02:21:39,857 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 02:21:39,857 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 02:21:39,857 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 02:21:39,857 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 02:21:39,858 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 02:21:39,858 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 02:21:39,858 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 02:21:39,858 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 02:21:39,858 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 02:21:39,859 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 02:21:39,859 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 02:21:39,859 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 02:21:39,859 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 02:21:39,859 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 02:21:39,859 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 02:21:39,860 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 02:21:39,860 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 02:21:39,860 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 02:21:39,860 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 02:21:39,860 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 02:21:39,860 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 02:21:39,861 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 -> efc3beffa131f51d6103293c64eabba4e9dcb6a3 [2018-12-31 02:21:39,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 02:21:39,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 02:21:39,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 02:21:39,931 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 02:21:39,932 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 02:21:39,932 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/sine_3_false-unreach-call_true-termination.i [2018-12-31 02:21:39,993 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a7ff501/63699e599595448a89a549e9290a7096/FLAG2ad98d071 [2018-12-31 02:21:40,489 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 02:21:40,491 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/sine_3_false-unreach-call_true-termination.i [2018-12-31 02:21:40,498 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a7ff501/63699e599595448a89a549e9290a7096/FLAG2ad98d071 [2018-12-31 02:21:40,801 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a7ff501/63699e599595448a89a549e9290a7096 [2018-12-31 02:21:40,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 02:21:40,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 02:21:40,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 02:21:40,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 02:21:40,811 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 02:21:40,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:21:40" (1/1) ... [2018-12-31 02:21:40,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c353261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:40, skipping insertion in model container [2018-12-31 02:21:40,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 02:21:40" (1/1) ... [2018-12-31 02:21:40,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 02:21:40,843 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 02:21:41,053 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:21:41,067 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 02:21:41,094 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 02:21:41,114 INFO L195 MainTranslator]: Completed translation [2018-12-31 02:21:41,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:41 WrapperNode [2018-12-31 02:21:41,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 02:21:41,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 02:21:41,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 02:21:41,117 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 02:21:41,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:41" (1/1) ... [2018-12-31 02:21:41,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:41" (1/1) ... [2018-12-31 02:21:41,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 02:21:41,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 02:21:41,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 02:21:41,156 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 02:21:41,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:41" (1/1) ... [2018-12-31 02:21:41,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:41" (1/1) ... [2018-12-31 02:21:41,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:41" (1/1) ... [2018-12-31 02:21:41,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:41" (1/1) ... [2018-12-31 02:21:41,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:41" (1/1) ... [2018-12-31 02:21:41,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:41" (1/1) ... [2018-12-31 02:21:41,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:41" (1/1) ... [2018-12-31 02:21:41,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 02:21:41,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 02:21:41,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 02:21:41,189 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 02:21:41,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:41" (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 02:21:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 02:21:41,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 02:21:44,172 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 02:21:44,173 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-31 02:21:44,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:21:44 BoogieIcfgContainer [2018-12-31 02:21:44,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 02:21:44,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 02:21:44,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 02:21:44,178 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 02:21:44,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 02:21:40" (1/3) ... [2018-12-31 02:21:44,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331fa1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:21:44, skipping insertion in model container [2018-12-31 02:21:44,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 02:21:41" (2/3) ... [2018-12-31 02:21:44,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331fa1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 02:21:44, skipping insertion in model container [2018-12-31 02:21:44,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:21:44" (3/3) ... [2018-12-31 02:21:44,182 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_3_false-unreach-call_true-termination.i [2018-12-31 02:21:44,192 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 02:21:44,200 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 02:21:44,216 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 02:21:44,251 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 02:21:44,252 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 02:21:44,252 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 02:21:44,252 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 02:21:44,252 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 02:21:44,253 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 02:21:44,253 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 02:21:44,253 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 02:21:44,253 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 02:21:44,270 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-12-31 02:21:44,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-31 02:21:44,277 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 02:21:44,278 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-12-31 02:21:44,280 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 02:21:44,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 02:21:44,287 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2018-12-31 02:21:44,293 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 02:21:44,293 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 02:21:44,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 02:22:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:22:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 02:22:21,242 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 02:22:21,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 02:22:21 BoogieIcfgContainer [2018-12-31 02:22:21,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 02:22:21,263 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 02:22:21,264 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 02:22:21,264 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 02:22:21,264 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 02:21:44" (3/4) ... [2018-12-31 02:22:21,268 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-31 02:22:21,309 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 02:22:21,309 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 02:22:21,310 INFO L168 Benchmark]: Toolchain (without parser) took 40505.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 02:22:21,312 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. [2018-12-31 02:22:21,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.35 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 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 02:22:21,314 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.81 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 02:22:21,314 INFO L168 Benchmark]: Boogie Preprocessor took 32.79 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-31 02:22:21,315 INFO L168 Benchmark]: RCFGBuilder took 2984.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-31 02:22:21,316 INFO L168 Benchmark]: TraceAbstraction took 37088.96 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: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-12-31 02:22:21,317 INFO L168 Benchmark]: Witness Printer took 46.02 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 02:22:21,321 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 309.35 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 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 38.81 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 32.79 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2984.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37088.96 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: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Witness Printer took 46.02 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: 14]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L13] COND TRUE !(result <= 1.001f && result >= -1.001f) [L14] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. UNSAFE Result, 37.0s 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=8occurred 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, 16.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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...