./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/nan_double_range.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/float-benchs/nan_double_range.c -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 dfb5ded2642d3c9d46596c0cba0f14bb34f1a46e ........................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/float-benchs/nan_double_range.c -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 dfb5ded2642d3c9d46596c0cba0f14bb34f1a46e ......................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:37:04,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:37:04,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:37:04,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:37:04,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:37:04,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:37:04,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:37:04,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:37:04,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:37:04,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:37:04,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:37:04,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:37:04,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:37:04,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:37:04,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:37:04,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:37:04,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:37:04,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:37:04,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:37:04,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:37:04,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:37:04,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:37:04,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:37:04,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:37:04,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:37:04,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:37:04,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:37:04,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:37:04,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:37:04,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:37:04,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:37:04,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:37:04,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:37:04,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:37:04,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:37:04,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:37:04,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:37:04,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:37:04,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:37:04,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:37:04,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:37:04,520 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:37:04,536 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:37:04,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:37:04,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:37:04,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:37:04,538 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:37:04,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:37:04,539 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:37:04,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:37:04,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:37:04,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:37:04,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:37:04,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:37:04,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:37:04,541 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:37:04,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:37:04,542 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:37:04,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:37:04,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:37:04,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:37:04,543 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:37:04,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:37:04,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:37:04,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:37:04,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:37:04,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:37:04,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:37:04,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:37:04,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:37:04,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> dfb5ded2642d3c9d46596c0cba0f14bb34f1a46e [2019-11-27 23:37:04,965 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:37:04,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:37:04,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:37:04,985 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:37:04,985 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:37:04,986 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/nan_double_range.c [2019-11-27 23:37:05,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f153b8905/d11d7978c1404f399d54a1723d2b11cd/FLAGfb13f580f [2019-11-27 23:37:05,554 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:37:05,554 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_double_range.c [2019-11-27 23:37:05,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f153b8905/d11d7978c1404f399d54a1723d2b11cd/FLAGfb13f580f [2019-11-27 23:37:05,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f153b8905/d11d7978c1404f399d54a1723d2b11cd [2019-11-27 23:37:05,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:37:05,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:37:05,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:37:05,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:37:05,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:37:05,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:37:05" (1/1) ... [2019-11-27 23:37:05,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1202cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:05, skipping insertion in model container [2019-11-27 23:37:05,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:37:05" (1/1) ... [2019-11-27 23:37:05,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:37:05,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:37:06,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:37:06,118 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:37:06,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:37:06,149 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:37:06,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:06 WrapperNode [2019-11-27 23:37:06,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:37:06,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:37:06,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:37:06,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:37:06,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:06" (1/1) ... [2019-11-27 23:37:06,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:06" (1/1) ... [2019-11-27 23:37:06,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:37:06,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:37:06,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:37:06,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:37:06,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:06" (1/1) ... [2019-11-27 23:37:06,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:06" (1/1) ... [2019-11-27 23:37:06,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:06" (1/1) ... [2019-11-27 23:37:06,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:06" (1/1) ... [2019-11-27 23:37:06,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:06" (1/1) ... [2019-11-27 23:37:06,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:06" (1/1) ... [2019-11-27 23:37:06,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:06" (1/1) ... [2019-11-27 23:37:06,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:37:06,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:37:06,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:37:06,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:37:06,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:06" (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 [2019-11-27 23:37:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:37:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:37:06,490 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:37:06,490 INFO L297 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-27 23:37:06,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:37:06 BoogieIcfgContainer [2019-11-27 23:37:06,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:37:06,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:37:06,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:37:06,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:37:06,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:37:05" (1/3) ... [2019-11-27 23:37:06,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b43a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:37:06, skipping insertion in model container [2019-11-27 23:37:06,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:06" (2/3) ... [2019-11-27 23:37:06,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b43a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:37:06, skipping insertion in model container [2019-11-27 23:37:06,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:37:06" (3/3) ... [2019-11-27 23:37:06,501 INFO L109 eAbstractionObserver]: Analyzing ICFG nan_double_range.c [2019-11-27 23:37:06,512 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:37:06,520 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:37:06,534 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:37:06,562 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:37:06,562 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:37:06,562 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:37:06,563 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:37:06,563 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:37:06,563 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:37:06,563 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:37:06,564 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:37:06,580 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-27 23:37:06,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-27 23:37:06,587 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:37:06,589 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-27 23:37:06,589 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:37:06,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:37:06,596 INFO L82 PathProgramCache]: Analyzing trace with hash 957382, now seen corresponding path program 1 times [2019-11-27 23:37:06,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:37:06,607 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419177889] [2019-11-27 23:37:06,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:37:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:37:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:37:06,713 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 23:37:06,714 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 23:37:06,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:37:06 BoogieIcfgContainer [2019-11-27 23:37:06,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:37:06,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:37:06,730 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:37:06,730 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:37:06,731 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:37:06" (3/4) ... [2019-11-27 23:37:06,734 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-27 23:37:06,735 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:37:06,738 INFO L168 Benchmark]: Toolchain (without parser) took 820.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -123.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:37:06,739 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:37:06,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.02 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:37:06,741 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:37:06,742 INFO L168 Benchmark]: Boogie Preprocessor took 19.77 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. [2019-11-27 23:37:06,743 INFO L168 Benchmark]: RCFGBuilder took 222.23 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:37:06,745 INFO L168 Benchmark]: TraceAbstraction took 237.10 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: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:37:06,745 INFO L168 Benchmark]: Witness Printer took 4.55 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. [2019-11-27 23:37:06,752 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 232.02 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 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 98.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.77 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. * RCFGBuilder took 222.23 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 237.10 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: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.55 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: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 13. Possible FailurePath: [L10] double x; [L11] x = __VERIFIER_nondet_double() [L13] COND TRUE x >= -1e307 && x <= 1e307 [L6] COND TRUE !(cond) [L6] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: 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 0.1.24-30f4e4a [2019-11-27 23:37:08,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:37:08,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:37:08,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:37:08,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:37:08,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:37:08,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:37:08,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:37:08,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:37:08,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:37:08,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:37:08,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:37:08,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:37:08,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:37:08,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:37:08,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:37:08,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:37:08,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:37:08,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:37:08,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:37:08,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:37:08,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:37:08,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:37:08,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:37:08,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:37:08,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:37:08,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:37:08,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:37:08,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:37:08,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:37:08,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:37:08,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:37:08,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:37:08,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:37:08,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:37:08,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:37:08,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:37:08,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:37:08,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:37:08,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:37:08,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:37:08,960 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:37:08,989 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:37:08,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:37:08,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:37:08,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:37:08,991 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:37:08,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:37:08,992 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:37:08,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:37:08,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:37:08,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:37:08,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:37:08,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:37:08,994 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:37:08,994 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:37:08,994 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:37:08,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:37:08,995 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:37:08,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:37:08,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:37:08,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:37:08,996 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:37:08,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:37:08,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:37:08,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:37:08,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:37:08,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:37:08,998 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:37:08,998 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:37:08,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:37:08,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:37:08,999 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> dfb5ded2642d3c9d46596c0cba0f14bb34f1a46e [2019-11-27 23:37:09,320 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:37:09,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:37:09,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:37:09,339 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:37:09,340 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:37:09,340 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/nan_double_range.c [2019-11-27 23:37:09,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b92dfa77/db266aedf40d4cbeb60436460c829199/FLAG3118defa2 [2019-11-27 23:37:09,833 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:37:09,834 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_double_range.c [2019-11-27 23:37:09,840 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b92dfa77/db266aedf40d4cbeb60436460c829199/FLAG3118defa2 [2019-11-27 23:37:10,240 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b92dfa77/db266aedf40d4cbeb60436460c829199 [2019-11-27 23:37:10,244 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:37:10,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:37:10,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:37:10,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:37:10,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:37:10,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:37:10" (1/1) ... [2019-11-27 23:37:10,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad95f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:10, skipping insertion in model container [2019-11-27 23:37:10,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:37:10" (1/1) ... [2019-11-27 23:37:10,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:37:10,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:37:10,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:37:10,507 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:37:10,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:37:10,544 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:37:10,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:10 WrapperNode [2019-11-27 23:37:10,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:37:10,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:37:10,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:37:10,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:37:10,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:10" (1/1) ... [2019-11-27 23:37:10,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:10" (1/1) ... [2019-11-27 23:37:10,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:37:10,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:37:10,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:37:10,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:37:10,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:10" (1/1) ... [2019-11-27 23:37:10,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:10" (1/1) ... [2019-11-27 23:37:10,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:10" (1/1) ... [2019-11-27 23:37:10,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:10" (1/1) ... [2019-11-27 23:37:10,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:10" (1/1) ... [2019-11-27 23:37:10,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:10" (1/1) ... [2019-11-27 23:37:10,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:10" (1/1) ... [2019-11-27 23:37:10,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:37:10,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:37:10,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:37:10,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:37:10,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:10" (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 [2019-11-27 23:37:10,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:37:10,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:37:10,964 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:37:10,964 INFO L297 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-27 23:37:10,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:37:10 BoogieIcfgContainer [2019-11-27 23:37:10,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:37:10,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:37:10,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:37:10,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:37:10,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:37:10" (1/3) ... [2019-11-27 23:37:10,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6e687c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:37:10, skipping insertion in model container [2019-11-27 23:37:10,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:37:10" (2/3) ... [2019-11-27 23:37:10,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6e687c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:37:10, skipping insertion in model container [2019-11-27 23:37:10,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:37:10" (3/3) ... [2019-11-27 23:37:10,974 INFO L109 eAbstractionObserver]: Analyzing ICFG nan_double_range.c [2019-11-27 23:37:10,983 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:37:10,990 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:37:11,000 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:37:11,027 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:37:11,028 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:37:11,028 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:37:11,028 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:37:11,029 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:37:11,029 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:37:11,029 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:37:11,030 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:37:11,044 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-27 23:37:11,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-27 23:37:11,049 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:37:11,050 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-27 23:37:11,050 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:37:11,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:37:11,055 INFO L82 PathProgramCache]: Analyzing trace with hash 28693796, now seen corresponding path program 1 times [2019-11-27 23:37:11,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:37:11,065 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1490190368] [2019-11-27 23:37:11,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-27 23:37:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:37:11,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-27 23:37:11,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:37:11,189 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:37:11,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:37:11,253 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:37:11,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:37:11,289 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1490190368] [2019-11-27 23:37:11,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:37:11,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-27 23:37:11,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410577071] [2019-11-27 23:37:11,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:37:11,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:37:11,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:37:11,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:37:11,317 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 4 states. [2019-11-27 23:37:11,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:37:11,337 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-11-27 23:37:11,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 23:37:11,339 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-11-27 23:37:11,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:37:11,346 INFO L225 Difference]: With dead ends: 18 [2019-11-27 23:37:11,346 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:37:11,350 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:37:11,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:37:11,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:37:11,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:37:11,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:37:11,378 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-11-27 23:37:11,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:37:11,379 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:37:11,379 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:37:11,379 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:37:11,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:37:11,593 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:37:11,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:37:11,634 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:37:11,634 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:37:11,634 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:37:11,634 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:37:11,635 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-27 23:37:11,635 INFO L249 CegarLoopResult]: At program point L16(lines 8 17) the Hoare annotation is: true [2019-11-27 23:37:11,635 INFO L246 CegarLoopResult]: For program point L13(lines 13 15) no Hoare annotation was computed. [2019-11-27 23:37:11,636 INFO L249 CegarLoopResult]: At program point L13-1(lines 13 15) the Hoare annotation is: true [2019-11-27 23:37:11,636 INFO L246 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2019-11-27 23:37:11,636 INFO L246 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed. [2019-11-27 23:37:11,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:37:11 BoogieIcfgContainer [2019-11-27 23:37:11,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:37:11,648 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:37:11,648 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:37:11,649 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:37:11,649 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:37:10" (3/4) ... [2019-11-27 23:37:11,655 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:37:11,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 23:37:11,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 23:37:11,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-27 23:37:11,708 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:37:11,709 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:37:11,711 INFO L168 Benchmark]: Toolchain (without parser) took 1464.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -118.8 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:37:11,712 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:37:11,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.61 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:37:11,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:37:11,715 INFO L168 Benchmark]: Boogie Preprocessor took 36.09 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. [2019-11-27 23:37:11,715 INFO L168 Benchmark]: RCFGBuilder took 254.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:37:11,716 INFO L168 Benchmark]: TraceAbstraction took 680.28 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: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:37:11,717 INFO L168 Benchmark]: Witness Printer took 60.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:37:11,721 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.61 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 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 129.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.09 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. * RCFGBuilder took 254.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 680.28 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: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Witness Printer took 60.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 8 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 6 NumberOfNonLiveVariables, 10 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...