./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_0970a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_0970a_true-unreach-call.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 963536477b49c0268678cb8326bb32feb993b05a ................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_0970a_true-unreach-call.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 963536477b49c0268678cb8326bb32feb993b05a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:02:40,259 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:02:40,261 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:02:40,275 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:02:40,276 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:02:40,278 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:02:40,282 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:02:40,285 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:02:40,288 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:02:40,291 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:02:40,294 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:02:40,295 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:02:40,297 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:02:40,300 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:02:40,308 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:02:40,312 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:02:40,313 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:02:40,316 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:02:40,318 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:02:40,320 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:02:40,321 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:02:40,323 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:02:40,326 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:02:40,326 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:02:40,326 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:02:40,327 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:02:40,329 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:02:40,330 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:02:40,330 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:02:40,332 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:02:40,332 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:02:40,333 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:02:40,333 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:02:40,333 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:02:40,334 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:02:40,339 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:02:40,341 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:02:40,373 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:02:40,374 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:02:40,375 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:02:40,375 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:02:40,376 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:02:40,376 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:02:40,376 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:02:40,376 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:02:40,376 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:02:40,377 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:02:40,377 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:02:40,377 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:02:40,377 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:02:40,377 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:02:40,383 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:02:40,383 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:02:40,383 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:02:40,383 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:02:40,383 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:02:40,384 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:02:40,384 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:02:40,384 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:02:40,384 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:02:40,384 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:02:40,385 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:02:40,385 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:02:40,385 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:02:40,385 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:02:40,385 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:02:40,386 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:02:40,389 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 963536477b49c0268678cb8326bb32feb993b05a [2018-11-28 18:02:40,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:02:40,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:02:40,466 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:02:40,467 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:02:40,468 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:02:40,468 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-11-28 18:02:40,533 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb0c9a604/f34d6145d03844d6a824fd8ecd712a9b/FLAG027173709 [2018-11-28 18:02:41,030 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:02:41,031 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-11-28 18:02:41,039 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb0c9a604/f34d6145d03844d6a824fd8ecd712a9b/FLAG027173709 [2018-11-28 18:02:41,361 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb0c9a604/f34d6145d03844d6a824fd8ecd712a9b [2018-11-28 18:02:41,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:02:41,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:02:41,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:02:41,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:02:41,373 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:02:41,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:02:41" (1/1) ... [2018-11-28 18:02:41,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d704d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:41, skipping insertion in model container [2018-11-28 18:02:41,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:02:41" (1/1) ... [2018-11-28 18:02:41,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:02:41,426 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:02:41,735 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:02:41,741 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:02:41,793 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:02:41,820 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:02:41,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:41 WrapperNode [2018-11-28 18:02:41,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:02:41,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:02:41,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:02:41,821 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:02:41,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:41" (1/1) ... [2018-11-28 18:02:41,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:41" (1/1) ... [2018-11-28 18:02:41,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:02:41,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:02:41,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:02:41,926 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:02:41,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:41" (1/1) ... [2018-11-28 18:02:41,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:41" (1/1) ... [2018-11-28 18:02:41,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:41" (1/1) ... [2018-11-28 18:02:41,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:41" (1/1) ... [2018-11-28 18:02:41,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:41" (1/1) ... [2018-11-28 18:02:42,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:41" (1/1) ... [2018-11-28 18:02:42,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:41" (1/1) ... [2018-11-28 18:02:42,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:02:42,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:02:42,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:02:42,009 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:02:42,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:02:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-11-28 18:02:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-11-28 18:02:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:02:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:02:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-28 18:02:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-28 18:02:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-28 18:02:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 18:02:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:02:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:02:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-28 18:02:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:02:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-11-28 18:02:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-11-28 18:02:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-11-28 18:02:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-11-28 18:02:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:02:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:02:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 18:02:42,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 18:02:42,940 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:02:42,940 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-11-28 18:02:42,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:02:42 BoogieIcfgContainer [2018-11-28 18:02:42,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:02:42,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:02:42,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:02:42,955 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:02:42,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:02:41" (1/3) ... [2018-11-28 18:02:42,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b38d965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:02:42, skipping insertion in model container [2018-11-28 18:02:42,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:41" (2/3) ... [2018-11-28 18:02:42,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b38d965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:02:42, skipping insertion in model container [2018-11-28 18:02:42,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:02:42" (3/3) ... [2018-11-28 18:02:42,960 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a_true-unreach-call.c [2018-11-28 18:02:42,972 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:02:42,982 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:02:43,003 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:02:43,040 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:02:43,040 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:02:43,041 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:02:43,041 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:02:43,041 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:02:43,041 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:02:43,042 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:02:43,042 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:02:43,042 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:02:43,066 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2018-11-28 18:02:43,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 18:02:43,074 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:02:43,076 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:02:43,079 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:02:43,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:02:43,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1246342872, now seen corresponding path program 1 times [2018-11-28 18:02:43,088 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:02:43,089 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:02:43,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:02:43,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:02:43,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:02:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:02:43,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:02:43,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:02:43,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:02:43,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:02:43,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:02:43,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:02:43,388 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2018-11-28 18:02:43,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:02:43,519 INFO L93 Difference]: Finished difference Result 134 states and 198 transitions. [2018-11-28 18:02:43,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:02:43,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-11-28 18:02:43,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:02:43,531 INFO L225 Difference]: With dead ends: 134 [2018-11-28 18:02:43,531 INFO L226 Difference]: Without dead ends: 66 [2018-11-28 18:02:43,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:02:43,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-11-28 18:02:43,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-11-28 18:02:43,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-11-28 18:02:43,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 80 transitions. [2018-11-28 18:02:43,581 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 80 transitions. Word has length 23 [2018-11-28 18:02:43,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:02:43,581 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 80 transitions. [2018-11-28 18:02:43,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:02:43,582 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2018-11-28 18:02:43,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-28 18:02:43,583 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:02:43,583 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:02:43,584 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:02:43,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:02:43,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1452208950, now seen corresponding path program 1 times [2018-11-28 18:02:43,584 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:02:43,584 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:02:43,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:02:43,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:02:43,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:02:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:02:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:02:43,814 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 18:02:43,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:02:43 BoogieIcfgContainer [2018-11-28 18:02:43,887 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:02:43,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:02:43,888 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:02:43,888 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:02:43,890 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:02:42" (3/4) ... [2018-11-28 18:02:43,894 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 18:02:43,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:02:43,895 INFO L168 Benchmark]: Toolchain (without parser) took 2529.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -112.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:02:43,897 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:02:43,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.64 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 929.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:02:43,898 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -194.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:02:43,899 INFO L168 Benchmark]: Boogie Preprocessor took 82.81 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:02:43,900 INFO L168 Benchmark]: RCFGBuilder took 932.77 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: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:02:43,901 INFO L168 Benchmark]: TraceAbstraction took 945.18 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:02:43,902 INFO L168 Benchmark]: Witness Printer took 6.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:02:43,907 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 452.64 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 929.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -194.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.81 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 932.77 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: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 945.18 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 6.96 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: 174]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 145, overapproximation of bitwiseAnd at line 116, overapproximation of someBinaryArithmeticFLOAToperation at line 117. Possible FailurePath: [L12-L16] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L18] static const float zero_log = 0.0; [L98-L101] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L103] static const float zero = 0.0; VAL [\old(ivln10_log10)=6442450957, \old(Lg1_log)=6442450954, \old(Lg2_log)=6442450955, \old(Lg3_log)=6442450956, \old(Lg4_log)=6442450959, \old(Lg5_log)=6442450961, \old(Lg6_log)=6442450968, \old(Lg7_log)=6442450965, \old(ln2_hi_log)=6442450945, \old(ln2_lo_log)=6442450949, \old(log10_2hi_log10)=6442450951, \old(log10_2lo_log10)=6442450967, \old(two25_log)=6442450964, \old(two25_log10)=6442450952, \old(zero)=6442450969, \old(zero_log)=6442450950, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L166] float x = __VERIFIER_nondet_float(); [L168] x < 0 && isfinite_float(x) VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, x < 0 && isfinite_float(x)=1, zero=0, zero_log=0] [L168] CALL, EXPR isfinite_float(x) VAL [\old(x)=6442450960, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L149] __int32_t ix; VAL [\old(x)=6442450960, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L151] ieee_float_shape_type gf_u; [L152] gf_u.value = (x) [L153] EXPR gf_u.word [L153] (ix) = gf_u.word [L155] ix &= 0x7fffffff [L156] return (((ix) < 0x7f800000L)); VAL [\old(x)=6442450960, \result=1, ivln10_log10=43429449201/100000000000, ix=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L168] RET, EXPR isfinite_float(x) VAL [isfinite_float(x)=1, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, x < 0 && isfinite_float(x)=1, zero=0, zero_log=0] [L168] x < 0 && isfinite_float(x) VAL [isfinite_float(x)=1, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, x < 0 && isfinite_float(x)=1, zero=0, zero_log=0] [L168] COND TRUE x < 0 && isfinite_float(x) [L170] CALL, EXPR __ieee754_log10f(x) VAL [\old(x)=6442450960, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L106] float y, z; [L107] __int32_t i, k, hx; VAL [\old(x)=6442450960, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L110] ieee_float_shape_type gf_u; [L111] gf_u.value = (x) [L112] EXPR gf_u.word [L112] (hx) = gf_u.word [L115] k = 0 VAL [\old(x)=6442450960, hx=3, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L116] COND TRUE ((hx & 0x7fffffff) == 0) [L117] return -two25_log10 / zero; VAL [\old(x)=6442450960, hx=3, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L170] RET, EXPR __ieee754_log10f(x) VAL [__ieee754_log10f(x)=6442450970, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L170] float res = __ieee754_log10f(x); [L173] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450970, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L145] return x != x; VAL [\old(x)=6442450970, \result=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450970, zero=0, zero_log=0] [L173] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=6442450970, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L173] COND TRUE !isnan_float(res) [L174] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=6442450970, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 71 locations, 1 error locations. UNSAFE Result, 0.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 86 SDtfs, 0 SDslu, 81 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 506 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-91b1670 [2018-11-28 18:02:46,358 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:02:46,361 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:02:46,380 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:02:46,381 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:02:46,383 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:02:46,386 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:02:46,397 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:02:46,400 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:02:46,402 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:02:46,404 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:02:46,405 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:02:46,407 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:02:46,409 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:02:46,417 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:02:46,419 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:02:46,420 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:02:46,425 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:02:46,429 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:02:46,431 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:02:46,433 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:02:46,438 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:02:46,443 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:02:46,445 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:02:46,446 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:02:46,447 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:02:46,447 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:02:46,448 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:02:46,452 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:02:46,455 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:02:46,455 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:02:46,456 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:02:46,456 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:02:46,456 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:02:46,459 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:02:46,461 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:02:46,461 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 18:02:46,477 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:02:46,477 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:02:46,478 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:02:46,479 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:02:46,479 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:02:46,479 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:02:46,480 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:02:46,480 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:02:46,480 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:02:46,480 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:02:46,480 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:02:46,480 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:02:46,482 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:02:46,482 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:02:46,482 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 18:02:46,482 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 18:02:46,482 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:02:46,483 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:02:46,483 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:02:46,483 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:02:46,483 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:02:46,483 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:02:46,483 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:02:46,485 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:02:46,485 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:02:46,485 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:02:46,485 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:02:46,486 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:02:46,486 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 18:02:46,486 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:02:46,486 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 18:02:46,486 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 18:02:46,486 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 963536477b49c0268678cb8326bb32feb993b05a [2018-11-28 18:02:46,525 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:02:46,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:02:46,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:02:46,555 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:02:46,556 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:02:46,557 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-11-28 18:02:46,630 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d564f002a/ede7f9e678754de5b9b803159cc8f7d2/FLAG128ff91a9 [2018-11-28 18:02:47,148 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:02:47,149 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-11-28 18:02:47,160 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d564f002a/ede7f9e678754de5b9b803159cc8f7d2/FLAG128ff91a9 [2018-11-28 18:02:47,451 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d564f002a/ede7f9e678754de5b9b803159cc8f7d2 [2018-11-28 18:02:47,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:02:47,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:02:47,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:02:47,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:02:47,463 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:02:47,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:02:47" (1/1) ... [2018-11-28 18:02:47,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a15a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:47, skipping insertion in model container [2018-11-28 18:02:47,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:02:47" (1/1) ... [2018-11-28 18:02:47,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:02:47,525 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:02:47,845 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:02:47,864 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:02:47,928 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:02:47,969 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:02:47,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:47 WrapperNode [2018-11-28 18:02:47,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:02:47,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:02:47,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:02:47,971 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:02:47,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:47" (1/1) ... [2018-11-28 18:02:47,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:47" (1/1) ... [2018-11-28 18:02:48,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:02:48,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:02:48,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:02:48,021 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:02:48,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:47" (1/1) ... [2018-11-28 18:02:48,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:47" (1/1) ... [2018-11-28 18:02:48,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:47" (1/1) ... [2018-11-28 18:02:48,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:47" (1/1) ... [2018-11-28 18:02:48,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:47" (1/1) ... [2018-11-28 18:02:48,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:47" (1/1) ... [2018-11-28 18:02:48,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:47" (1/1) ... [2018-11-28 18:02:48,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:02:48,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:02:48,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:02:48,170 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:02:48,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:02:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-11-28 18:02:48,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-11-28 18:02:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:02:48,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:02:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-28 18:02:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-28 18:02:48,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-28 18:02:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:02:48,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:02:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:02:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 18:02:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-11-28 18:02:48,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-11-28 18:02:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-11-28 18:02:48,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-11-28 18:02:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:02:48,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:02:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-28 18:02:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 18:02:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 18:02:48,450 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 18:02:51,762 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 18:02:53,913 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 18:03:02,322 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 18:03:03,391 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 18:03:04,634 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:03:04,634 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-11-28 18:03:04,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:03:04 BoogieIcfgContainer [2018-11-28 18:03:04,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:03:04,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:03:04,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:03:04,640 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:03:04,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:02:47" (1/3) ... [2018-11-28 18:03:04,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1123fb26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:03:04, skipping insertion in model container [2018-11-28 18:03:04,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:02:47" (2/3) ... [2018-11-28 18:03:04,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1123fb26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:03:04, skipping insertion in model container [2018-11-28 18:03:04,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:03:04" (3/3) ... [2018-11-28 18:03:04,645 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a_true-unreach-call.c [2018-11-28 18:03:04,656 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:03:04,665 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:03:04,684 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:03:04,718 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:03:04,719 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:03:04,719 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:03:04,720 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:03:04,720 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:03:04,720 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:03:04,720 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:03:04,720 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:03:04,720 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:03:04,742 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2018-11-28 18:03:04,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 18:03:04,750 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:03:04,751 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:03:04,754 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:03:04,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:03:04,761 INFO L82 PathProgramCache]: Analyzing trace with hash 719600362, now seen corresponding path program 1 times [2018-11-28 18:03:04,766 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 18:03:04,767 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-11-28 18:03:04,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-28 18:03:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:03:05,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:03:05,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:03:05,107 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 18:03:05,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:03:05,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:03:05,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:03:05,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:03:05,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:03:05,151 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 2 states. [2018-11-28 18:03:05,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:03:05,185 INFO L93 Difference]: Finished difference Result 131 states and 194 transitions. [2018-11-28 18:03:05,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:03:05,187 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-28 18:03:05,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:03:05,202 INFO L225 Difference]: With dead ends: 131 [2018-11-28 18:03:05,203 INFO L226 Difference]: Without dead ends: 65 [2018-11-28 18:03:05,208 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:03:05,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-11-28 18:03:05,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-11-28 18:03:05,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-28 18:03:05,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions. [2018-11-28 18:03:05,272 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 80 transitions. Word has length 22 [2018-11-28 18:03:05,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:03:05,273 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 80 transitions. [2018-11-28 18:03:05,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:03:05,274 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2018-11-28 18:03:05,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 18:03:05,277 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:03:05,278 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:03:05,278 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:03:05,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:03:05,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1673203401, now seen corresponding path program 1 times [2018-11-28 18:03:05,281 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 18:03:05,282 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-11-28 18:03:05,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-28 18:03:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:03:05,612 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:03:05,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:03:05,654 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 18:03:05,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:03:05,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:03:05,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:03:05,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:03:05,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:03:05,671 INFO L87 Difference]: Start difference. First operand 65 states and 80 transitions. Second operand 3 states. [2018-11-28 18:03:05,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:03:05,721 INFO L93 Difference]: Finished difference Result 115 states and 144 transitions. [2018-11-28 18:03:05,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:03:05,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-11-28 18:03:05,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:03:05,726 INFO L225 Difference]: With dead ends: 115 [2018-11-28 18:03:05,726 INFO L226 Difference]: Without dead ends: 65 [2018-11-28 18:03:05,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:03:05,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-11-28 18:03:05,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-11-28 18:03:05,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-28 18:03:05,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 79 transitions. [2018-11-28 18:03:05,739 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 79 transitions. Word has length 23 [2018-11-28 18:03:05,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:03:05,739 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 79 transitions. [2018-11-28 18:03:05,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:03:05,740 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 79 transitions. [2018-11-28 18:03:05,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-28 18:03:05,741 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:03:05,741 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:03:05,742 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:03:05,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:03:05,742 INFO L82 PathProgramCache]: Analyzing trace with hash -523840169, now seen corresponding path program 1 times [2018-11-28 18:03:05,743 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 18:03:05,743 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-28 18:03:05,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:03:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:03:06,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:03:06,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:03:06,613 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 18:03:06,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:03:06,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:03:06,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:03:06,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:03:06,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:03:06,634 INFO L87 Difference]: Start difference. First operand 65 states and 79 transitions. Second operand 7 states. [2018-11-28 18:03:09,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:03:09,424 INFO L93 Difference]: Finished difference Result 79 states and 92 transitions. [2018-11-28 18:03:09,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:03:09,426 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-11-28 18:03:09,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:03:09,429 INFO L225 Difference]: With dead ends: 79 [2018-11-28 18:03:09,430 INFO L226 Difference]: Without dead ends: 69 [2018-11-28 18:03:09,431 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:03:09,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-11-28 18:03:09,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2018-11-28 18:03:09,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-28 18:03:09,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 78 transitions. [2018-11-28 18:03:09,442 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 78 transitions. Word has length 31 [2018-11-28 18:03:09,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:03:09,442 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 78 transitions. [2018-11-28 18:03:09,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:03:09,443 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2018-11-28 18:03:09,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-28 18:03:09,444 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:03:09,445 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:03:09,445 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:03:09,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:03:09,445 INFO L82 PathProgramCache]: Analyzing trace with hash 988920286, now seen corresponding path program 1 times [2018-11-28 18:03:09,447 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 18:03:09,447 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-28 18:03:09,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:03:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:03:09,839 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:03:10,564 WARN L180 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 18:03:11,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:03:11,151 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 18:03:11,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:03:11,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:03:11,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:03:11,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:03:11,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:03:11,171 INFO L87 Difference]: Start difference. First operand 65 states and 78 transitions. Second operand 8 states. [2018-11-28 18:03:12,714 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 18:03:13,713 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-28 18:03:15,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:03:15,929 INFO L93 Difference]: Finished difference Result 72 states and 85 transitions. [2018-11-28 18:03:15,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:03:15,932 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-11-28 18:03:15,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:03:15,933 INFO L225 Difference]: With dead ends: 72 [2018-11-28 18:03:15,934 INFO L226 Difference]: Without dead ends: 65 [2018-11-28 18:03:15,934 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-11-28 18:03:15,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-11-28 18:03:15,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-11-28 18:03:15,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-28 18:03:15,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 77 transitions. [2018-11-28 18:03:15,948 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 77 transitions. Word has length 32 [2018-11-28 18:03:15,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:03:15,950 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 77 transitions. [2018-11-28 18:03:15,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:03:15,950 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2018-11-28 18:03:15,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-28 18:03:15,952 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:03:15,952 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:03:15,952 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:03:15,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:03:15,953 INFO L82 PathProgramCache]: Analyzing trace with hash -146199885, now seen corresponding path program 1 times [2018-11-28 18:03:15,953 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 18:03:15,954 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-28 18:03:15,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:03:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:03:16,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:03:16,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:03:16,224 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 18:03:16,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:03:16,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:03:16,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:03:16,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:03:16,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:03:16,237 INFO L87 Difference]: Start difference. First operand 65 states and 77 transitions. Second operand 7 states. [2018-11-28 18:03:17,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:03:17,067 INFO L93 Difference]: Finished difference Result 69 states and 81 transitions. [2018-11-28 18:03:17,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 18:03:17,069 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2018-11-28 18:03:17,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:03:17,069 INFO L225 Difference]: With dead ends: 69 [2018-11-28 18:03:17,070 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:03:17,072 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-11-28 18:03:17,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:03:17,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:03:17,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:03:17,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:03:17,074 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-11-28 18:03:17,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:03:17,074 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:03:17,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:03:17,074 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:03:17,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:03:17,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:03:17,588 WARN L180 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 18 [2018-11-28 18:03:17,703 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-11-28 18:03:17,955 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 145) no Hoare annotation was computed. [2018-11-28 18:03:17,955 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 145) the Hoare annotation is: true [2018-11-28 18:03:17,956 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 145) no Hoare annotation was computed. [2018-11-28 18:03:17,956 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:03:17,956 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:03:17,956 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:03:17,958 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 150 154) no Hoare annotation was computed. [2018-11-28 18:03:17,958 INFO L451 ceAbstractionStarter]: At program point L150-2(lines 150 154) the Hoare annotation is: true [2018-11-28 18:03:17,958 INFO L448 ceAbstractionStarter]: For program point L150-3(lines 150 154) no Hoare annotation was computed. [2018-11-28 18:03:17,958 INFO L448 ceAbstractionStarter]: For program point isfinite_floatFINAL(lines 148 157) no Hoare annotation was computed. [2018-11-28 18:03:17,958 INFO L451 ceAbstractionStarter]: At program point isfinite_floatENTRY(lines 148 157) the Hoare annotation is: true [2018-11-28 18:03:17,959 INFO L448 ceAbstractionStarter]: For program point isfinite_floatEXIT(lines 148 157) no Hoare annotation was computed. [2018-11-28 18:03:17,959 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-11-28 18:03:17,959 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 72) no Hoare annotation was computed. [2018-11-28 18:03:17,959 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2018-11-28 18:03:17,959 INFO L448 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2018-11-28 18:03:17,959 INFO L451 ceAbstractionStarter]: At program point L40-2(lines 40 44) the Hoare annotation is: true [2018-11-28 18:03:17,959 INFO L451 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 20 96) the Hoare annotation is: true [2018-11-28 18:03:17,962 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 20 96) no Hoare annotation was computed. [2018-11-28 18:03:17,962 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 64) no Hoare annotation was computed. [2018-11-28 18:03:17,962 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2018-11-28 18:03:17,962 INFO L451 ceAbstractionStarter]: At program point L24-2(lines 24 28) the Hoare annotation is: true [2018-11-28 18:03:17,962 INFO L448 ceAbstractionStarter]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2018-11-28 18:03:17,963 INFO L448 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-11-28 18:03:17,963 INFO L451 ceAbstractionStarter]: At program point L49-2(lines 49 53) the Hoare annotation is: true [2018-11-28 18:03:17,963 INFO L448 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-11-28 18:03:17,963 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 45) no Hoare annotation was computed. [2018-11-28 18:03:17,963 INFO L448 ceAbstractionStarter]: For program point L37-1(lines 37 45) no Hoare annotation was computed. [2018-11-28 18:03:17,963 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 71) no Hoare annotation was computed. [2018-11-28 18:03:17,963 INFO L448 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2018-11-28 18:03:17,964 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 20 96) no Hoare annotation was computed. [2018-11-28 18:03:17,964 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 94) no Hoare annotation was computed. [2018-11-28 18:03:17,964 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 63) no Hoare annotation was computed. [2018-11-28 18:03:17,964 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 95) no Hoare annotation was computed. [2018-11-28 18:03:17,964 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-11-28 18:03:17,967 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 130) no Hoare annotation was computed. [2018-11-28 18:03:17,967 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 122 130) no Hoare annotation was computed. [2018-11-28 18:03:17,967 INFO L448 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2018-11-28 18:03:17,968 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2018-11-28 18:03:17,968 INFO L444 ceAbstractionStarter]: At program point L135-2(lines 135 139) the Hoare annotation is: (or (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-11-28 18:03:17,968 INFO L444 ceAbstractionStarter]: At program point L135-3(lines 135 139) the Hoare annotation is: (or (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-11-28 18:03:17,968 INFO L448 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-11-28 18:03:17,968 INFO L451 ceAbstractionStarter]: At program point __ieee754_log10fENTRY(lines 105 142) the Hoare annotation is: true [2018-11-28 18:03:17,968 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10fEXIT(lines 105 142) no Hoare annotation was computed. [2018-11-28 18:03:17,969 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10fFINAL(lines 105 142) no Hoare annotation was computed. [2018-11-28 18:03:17,971 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2018-11-28 18:03:17,971 INFO L448 ceAbstractionStarter]: For program point L116(lines 116 117) no Hoare annotation was computed. [2018-11-28 18:03:17,971 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2018-11-28 18:03:17,971 INFO L444 ceAbstractionStarter]: At program point L125-2(lines 125 129) the Hoare annotation is: (or (and (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-11-28 18:03:17,971 INFO L448 ceAbstractionStarter]: For program point L109-1(lines 109 113) no Hoare annotation was computed. [2018-11-28 18:03:17,973 INFO L444 ceAbstractionStarter]: At program point L109-2(lines 109 113) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (= |__ieee754_log10f_#in~x| __ieee754_log10f_~x)) [2018-11-28 18:03:17,973 INFO L448 ceAbstractionStarter]: For program point L109-3(lines 109 113) no Hoare annotation was computed. [2018-11-28 18:03:17,973 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:03:17,973 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0) [2018-11-28 18:03:17,975 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:03:17,975 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:03:17,975 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2018-11-28 18:03:17,975 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 159 180) the Hoare annotation is: true [2018-11-28 18:03:17,975 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 159 180) no Hoare annotation was computed. [2018-11-28 18:03:17,976 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-28 18:03:17,977 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (and (exists ((__ieee754_log10f_~x (_ FloatingPoint 8 24))) (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven __ieee754_log10f_~x __ieee754_log10f_~x) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) main_~res~0)) (fp.lt main_~x~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-11-28 18:03:17,977 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 159 180) no Hoare annotation was computed. [2018-11-28 18:03:17,977 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 173 176) no Hoare annotation was computed. [2018-11-28 18:03:17,977 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (fp.lt main_~x~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) [2018-11-28 18:03:17,977 INFO L448 ceAbstractionStarter]: For program point L170-1(line 170) no Hoare annotation was computed. [2018-11-28 18:03:17,977 INFO L448 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-11-28 18:03:17,978 INFO L444 ceAbstractionStarter]: At program point L168-1(line 168) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (and |main_#t~short17| (fp.lt main_~x~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32))))) [2018-11-28 18:03:17,978 INFO L448 ceAbstractionStarter]: For program point L168-2(line 168) no Hoare annotation was computed. [2018-11-28 18:03:17,978 INFO L448 ceAbstractionStarter]: For program point L168-4(lines 168 177) no Hoare annotation was computed. [2018-11-28 18:03:17,978 INFO L448 ceAbstractionStarter]: For program point L168-6(lines 168 177) no Hoare annotation was computed. [2018-11-28 18:03:17,988 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:17,989 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:17,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:17,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:17,993 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 18:03:17,996 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:17,996 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:17,996 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:17,997 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:17,997 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 18:03:17,998 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 18:03:17,999 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 18:03:17,999 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,000 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,000 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,000 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,001 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 18:03:18,001 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,002 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,002 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,002 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,002 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 18:03:18,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:03:18 BoogieIcfgContainer [2018-11-28 18:03:18,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:03:18,005 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:03:18,006 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:03:18,006 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:03:18,006 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:03:04" (3/4) ... [2018-11-28 18:03:18,011 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:03:18,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-28 18:03:18,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:03:18,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_float [2018-11-28 18:03:18,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-11-28 18:03:18,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10f [2018-11-28 18:03:18,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:03:18,030 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 18:03:18,031 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:03:18,032 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 18:03:18,032 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:03:18,068 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) || \old(x) == x [2018-11-28 18:03:18,069 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) && (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) [2018-11-28 18:03:18,069 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) [2018-11-28 18:03:18,129 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:03:18,129 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:03:18,130 INFO L168 Benchmark]: Toolchain (without parser) took 30674.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 948.7 MB in the beginning and 877.6 MB in the end (delta: 71.0 MB). Peak memory consumption was 212.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:03:18,132 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:03:18,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.52 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:03:18,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.95 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:03:18,138 INFO L168 Benchmark]: Boogie Preprocessor took 149.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -195.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:03:18,140 INFO L168 Benchmark]: RCFGBuilder took 16464.81 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: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:03:18,140 INFO L168 Benchmark]: TraceAbstraction took 13369.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 884.3 MB in the end (delta: 210.2 MB). Peak memory consumption was 210.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:03:18,141 INFO L168 Benchmark]: Witness Printer took 124.09 ms. Allocated memory is still 1.2 GB. Free memory was 884.3 MB in the beginning and 877.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:03:18,146 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 512.52 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.95 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 149.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -195.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 16464.81 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: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13369.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 884.3 MB in the end (delta: 210.2 MB). Peak memory consumption was 210.2 MB. Max. memory is 11.5 GB. * Witness Printer took 124.09 ms. Allocated memory is still 1.2 GB. Free memory was 884.3 MB in the beginning and 877.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 174]: 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: 150]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 135]: Loop Invariant [2018-11-28 18:03:18,162 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,162 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,162 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,162 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,163 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 18:03:18,163 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,163 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,163 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,163 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,164 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) - InvariantResult [Line: 109]: Loop Invariant [2018-11-28 18:03:18,164 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 18:03:18,167 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) || \old(x) == x - InvariantResult [Line: 125]: Loop Invariant [2018-11-28 18:03:18,167 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,167 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,168 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,168 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,168 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 18:03:18,168 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,168 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,169 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,169 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-28 18:03:18,169 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) && (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 70 locations, 1 error locations. SAFE Result, 13.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 8.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 368 SDtfs, 105 SDslu, 1013 SDs, 0 SdLazy, 147 SolverSat, 12 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 41 PreInvPairs, 52 NumberOfFragments, 153 HoareAnnotationTreeSize, 41 FomulaSimplifications, 25 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 138 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 136 ConstructedInterpolants, 9 QuantifiedInterpolants, 15260 SizeOfPredicates, 12 NumberOfNonLiveVariables, 593 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...