./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/nan_float_range.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c 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_float_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 64c6d061d6a52be18c2dbf1f223acaf24ab6149e ......................................................................................................................................................................................................................... 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_float_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 64c6d061d6a52be18c2dbf1f223acaf24ab6149e .......................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 16:41:39,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:41:39,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:41:39,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:41:39,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:41:39,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:41:39,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:41:39,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:41:39,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:41:39,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:41:39,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:41:39,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:41:39,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:41:39,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:41:39,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:41:39,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:41:39,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:41:39,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:41:39,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:41:39,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:41:39,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:41:39,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:41:39,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:41:39,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:41:39,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:41:39,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:41:39,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:41:39,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:41:39,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:41:39,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:41:39,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:41:39,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:41:39,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:41:39,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:41:39,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:41:39,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:41:39,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:41:39,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:41:39,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:41:39,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:41:39,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:41:39,657 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:41:39,674 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:41:39,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:41:39,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:41:39,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:41:39,677 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:41:39,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:41:39,678 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:41:39,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:41:39,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:41:39,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:41:39,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:41:39,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:41:39,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:41:39,681 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:41:39,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:41:39,682 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:41:39,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:41:39,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:41:39,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:41:39,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:41:39,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:41:39,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:41:39,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:41:39,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:41:39,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:41:39,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:41:39,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:41:39,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:41:39,686 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:41:39,686 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 -> 64c6d061d6a52be18c2dbf1f223acaf24ab6149e [2019-11-28 16:41:40,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:41:40,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:41:40,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:41:40,022 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:41:40,022 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:41:40,023 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/nan_float_range.c [2019-11-28 16:41:40,090 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fca996d5c/c9dcaf9c67e0457e848c3a07577e6553/FLAG9f3d1d3a2 [2019-11-28 16:41:40,601 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:41:40,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_float_range.c [2019-11-28 16:41:40,609 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fca996d5c/c9dcaf9c67e0457e848c3a07577e6553/FLAG9f3d1d3a2 [2019-11-28 16:41:40,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fca996d5c/c9dcaf9c67e0457e848c3a07577e6553 [2019-11-28 16:41:40,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:41:40,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:41:40,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:41:40,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:41:40,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:41:40,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:40" (1/1) ... [2019-11-28 16:41:40,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a4f9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:40, skipping insertion in model container [2019-11-28 16:41:40,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:40" (1/1) ... [2019-11-28 16:41:40,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:41:40,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:41:41,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:41:41,169 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:41:41,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:41:41,206 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:41:41,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:41 WrapperNode [2019-11-28 16:41:41,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:41:41,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:41:41,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:41:41,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:41:41,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:41" (1/1) ... [2019-11-28 16:41:41,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:41" (1/1) ... [2019-11-28 16:41:41,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:41:41,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:41:41,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:41:41,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:41:41,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:41" (1/1) ... [2019-11-28 16:41:41,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:41" (1/1) ... [2019-11-28 16:41:41,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:41" (1/1) ... [2019-11-28 16:41:41,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:41" (1/1) ... [2019-11-28 16:41:41,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:41" (1/1) ... [2019-11-28 16:41:41,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:41" (1/1) ... [2019-11-28 16:41:41,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:41" (1/1) ... [2019-11-28 16:41:41,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:41:41,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:41:41,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:41:41,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:41:41,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:41" (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 [2019-11-28 16:41:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:41:41,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:41:41,529 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:41:41,529 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 16:41:41,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:41 BoogieIcfgContainer [2019-11-28 16:41:41,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:41:41,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:41:41,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:41:41,535 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:41:41,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:41:40" (1/3) ... [2019-11-28 16:41:41,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18cfff42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:41:41, skipping insertion in model container [2019-11-28 16:41:41,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:41" (2/3) ... [2019-11-28 16:41:41,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18cfff42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:41:41, skipping insertion in model container [2019-11-28 16:41:41,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:41" (3/3) ... [2019-11-28 16:41:41,539 INFO L109 eAbstractionObserver]: Analyzing ICFG nan_float_range.c [2019-11-28 16:41:41,549 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:41:41,555 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:41:41,568 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:41:41,595 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:41:41,595 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:41:41,595 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:41:41,596 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:41:41,596 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:41:41,596 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:41:41,596 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:41:41,597 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:41:41,609 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-28 16:41:41,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-28 16:41:41,614 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:41:41,615 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-28 16:41:41,616 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:41:41,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:41:41,621 INFO L82 PathProgramCache]: Analyzing trace with hash 957382, now seen corresponding path program 1 times [2019-11-28 16:41:41,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:41:41,628 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733912276] [2019-11-28 16:41:41,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:41:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:41:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:41:41,737 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 16:41:41,738 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 16:41:41,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:41:41 BoogieIcfgContainer [2019-11-28 16:41:41,753 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:41:41,753 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:41:41,753 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:41:41,754 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:41:41,754 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:41" (3/4) ... [2019-11-28 16:41:41,757 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 16:41:41,757 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:41:41,761 INFO L168 Benchmark]: Toolchain (without parser) took 815.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -138.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:41:41,762 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-28 16:41:41,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.08 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 946.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:41:41,764 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -180.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2019-11-28 16:41:41,765 INFO L168 Benchmark]: Boogie Preprocessor took 17.65 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. [2019-11-28 16:41:41,766 INFO L168 Benchmark]: RCFGBuilder took 211.77 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: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2019-11-28 16:41:41,767 INFO L168 Benchmark]: TraceAbstraction took 221.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:41:41,767 INFO L168 Benchmark]: Witness Printer took 4.15 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. [2019-11-28 16:41:41,772 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 263.08 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 946.9 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 91.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -180.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.65 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 211.77 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: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 221.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.15 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: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of someBinaryDOUBLEComparisonOperation at line 13. Possible FailurePath: [L10] float x; [L11] x = __VERIFIER_nondet_float() [L13] COND TRUE x >= -1e10 && x <= 1e10 [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 0.1.25-f470102 [2019-11-28 16:41:43,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:41:43,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:41:43,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:41:43,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:41:43,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:41:43,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:41:43,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:41:43,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:41:43,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:41:43,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:41:43,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:41:43,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:41:43,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:41:43,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:41:43,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:41:43,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:41:43,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:41:43,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:41:43,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:41:43,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:41:43,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:41:43,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:41:43,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:41:43,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:41:43,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:41:43,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:41:43,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:41:43,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:41:43,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:41:43,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:41:43,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:41:43,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:41:43,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:41:43,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:41:43,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:41:43,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:41:43,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:41:43,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:41:43,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:41:43,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:41:43,897 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 16:41:43,919 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:41:43,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:41:43,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:41:43,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:41:43,922 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:41:43,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:41:43,923 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:41:43,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:41:43,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:41:43,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:41:43,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:41:43,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:41:43,925 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 16:41:43,926 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 16:41:43,926 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:41:43,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:41:43,927 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:41:43,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:41:43,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:41:43,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:41:43,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:41:43,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:41:43,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:41:43,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:41:43,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:41:43,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:41:43,930 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 16:41:43,930 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 16:41:43,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:41:43,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:41:43,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 16:41:43,931 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 -> 64c6d061d6a52be18c2dbf1f223acaf24ab6149e [2019-11-28 16:41:44,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:41:44,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:41:44,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:41:44,302 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:41:44,303 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:41:44,304 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/nan_float_range.c [2019-11-28 16:41:44,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f54d9fbf4/fc8475352b864744afdbb28257d6ab71/FLAG49c6baa92 [2019-11-28 16:41:44,870 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:41:44,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_float_range.c [2019-11-28 16:41:44,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f54d9fbf4/fc8475352b864744afdbb28257d6ab71/FLAG49c6baa92 [2019-11-28 16:41:45,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f54d9fbf4/fc8475352b864744afdbb28257d6ab71 [2019-11-28 16:41:45,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:41:45,236 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:41:45,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:41:45,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:41:45,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:41:45,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:45" (1/1) ... [2019-11-28 16:41:45,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fcfb979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:45, skipping insertion in model container [2019-11-28 16:41:45,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:45" (1/1) ... [2019-11-28 16:41:45,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:41:45,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:41:45,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:41:45,441 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:41:45,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:41:45,481 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:41:45,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:45 WrapperNode [2019-11-28 16:41:45,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:41:45,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:41:45,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:41:45,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:41:45,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:45" (1/1) ... [2019-11-28 16:41:45,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:45" (1/1) ... [2019-11-28 16:41:45,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:41:45,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:41:45,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:41:45,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:41:45,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:45" (1/1) ... [2019-11-28 16:41:45,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:45" (1/1) ... [2019-11-28 16:41:45,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:45" (1/1) ... [2019-11-28 16:41:45,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:45" (1/1) ... [2019-11-28 16:41:45,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:45" (1/1) ... [2019-11-28 16:41:45,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:45" (1/1) ... [2019-11-28 16:41:45,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:45" (1/1) ... [2019-11-28 16:41:45,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:41:45,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:41:45,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:41:45,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:41:45,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:45" (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 [2019-11-28 16:41:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:41:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:41:45,910 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:41:45,910 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 16:41:45,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:45 BoogieIcfgContainer [2019-11-28 16:41:45,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:41:45,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:41:45,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:41:45,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:41:45,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:41:45" (1/3) ... [2019-11-28 16:41:45,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225af1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:41:45, skipping insertion in model container [2019-11-28 16:41:45,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:45" (2/3) ... [2019-11-28 16:41:45,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225af1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:41:45, skipping insertion in model container [2019-11-28 16:41:45,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:45" (3/3) ... [2019-11-28 16:41:45,920 INFO L109 eAbstractionObserver]: Analyzing ICFG nan_float_range.c [2019-11-28 16:41:45,931 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:41:45,938 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:41:45,951 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:41:45,977 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:41:45,977 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:41:45,978 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:41:45,978 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:41:45,978 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:41:45,978 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:41:45,979 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:41:45,979 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:41:45,995 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-28 16:41:46,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-28 16:41:46,001 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:41:46,002 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-28 16:41:46,003 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:41:46,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:41:46,009 INFO L82 PathProgramCache]: Analyzing trace with hash 28693796, now seen corresponding path program 1 times [2019-11-28 16:41:46,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:41:46,019 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [352891661] [2019-11-28 16:41:46,019 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 [2019-11-28 16:41:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:41:46,080 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 16:41:46,084 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:41:46,117 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:41:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:41:46,200 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:41:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:41:46,241 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [352891661] [2019-11-28 16:41:46,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:41:46,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-28 16:41:46,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426780415] [2019-11-28 16:41:46,252 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 16:41:46,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:41:46,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 16:41:46,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:41:46,281 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 4 states. [2019-11-28 16:41:46,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:41:46,312 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-11-28 16:41:46,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 16:41:46,314 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-11-28 16:41:46,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:41:46,322 INFO L225 Difference]: With dead ends: 18 [2019-11-28 16:41:46,323 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 16:41:46,327 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 [2019-11-28 16:41:46,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 16:41:46,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 16:41:46,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 16:41:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 16:41:46,393 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-11-28 16:41:46,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:41:46,398 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 16:41:46,399 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 16:41:46,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 16:41:46,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 16:41:46,600 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 16:41:46,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 16:41:46,643 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 16:41:46,643 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 16:41:46,644 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 16:41:46,644 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 16:41:46,644 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-28 16:41:46,645 INFO L249 CegarLoopResult]: At program point L16(lines 8 17) the Hoare annotation is: true [2019-11-28 16:41:46,645 INFO L246 CegarLoopResult]: For program point L13(lines 13 15) no Hoare annotation was computed. [2019-11-28 16:41:46,645 INFO L249 CegarLoopResult]: At program point L13-1(lines 13 15) the Hoare annotation is: true [2019-11-28 16:41:46,646 INFO L246 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2019-11-28 16:41:46,646 INFO L246 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed. [2019-11-28 16:41:46,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:41:46 BoogieIcfgContainer [2019-11-28 16:41:46,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:41:46,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:41:46,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:41:46,656 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:41:46,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:45" (3/4) ... [2019-11-28 16:41:46,661 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 16:41:46,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 16:41:46,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 16:41:46,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 16:41:46,709 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:41:46,710 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:41:46,712 INFO L168 Benchmark]: Toolchain (without parser) took 1475.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 69.2 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -52.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:41:46,713 INFO L168 Benchmark]: CDTParser took 0.34 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. [2019-11-28 16:41:46,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.26 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 940.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-28 16:41:46,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 69.2 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -117.7 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:41:46,715 INFO L168 Benchmark]: Boogie Preprocessor took 24.80 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. [2019-11-28 16:41:46,716 INFO L168 Benchmark]: RCFGBuilder took 295.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2019-11-28 16:41:46,717 INFO L168 Benchmark]: TraceAbstraction took 742.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2019-11-28 16:41:46,718 INFO L168 Benchmark]: Witness Printer took 53.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-28 16:41:46,722 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 246.26 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 940.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 106.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 69.2 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -117.7 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.80 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 295.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 742.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Witness Printer took 53.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 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: 0.6s, 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...