./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_0970b_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/double_req_bl_0970b_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 c2b759759a3d71804d881b2ee189e6dc13f7a855 ........................................................................................................................................................................................................................................................................................................................ 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/double_req_bl_0970b_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 c2b759759a3d71804d881b2ee189e6dc13f7a855 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:54:38,412 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:54:38,414 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:54:38,427 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:54:38,428 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:54:38,430 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:54:38,433 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:54:38,436 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:54:38,438 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:54:38,438 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:54:38,439 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:54:38,440 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:54:38,441 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:54:38,442 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:54:38,443 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:54:38,444 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:54:38,445 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:54:38,448 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:54:38,450 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:54:38,452 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:54:38,453 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:54:38,455 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:54:38,458 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:54:38,458 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:54:38,458 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:54:38,459 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:54:38,461 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:54:38,462 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:54:38,463 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:54:38,464 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:54:38,465 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:54:38,465 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:54:38,466 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:54:38,466 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:54:38,467 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:54:38,469 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:54:38,469 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 17:54:38,501 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:54:38,502 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:54:38,503 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:54:38,503 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:54:38,503 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:54:38,505 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:54:38,505 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:54:38,505 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:54:38,505 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:54:38,506 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 17:54:38,506 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:54:38,506 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:54:38,506 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:54:38,506 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:54:38,506 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:54:38,509 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:54:38,509 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:54:38,509 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:54:38,510 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:54:38,510 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:54:38,510 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:54:38,510 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:54:38,510 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:54:38,510 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:54:38,511 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:54:38,511 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:54:38,511 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:54:38,511 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 17:54:38,511 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:54:38,512 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 17:54:38,514 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 -> c2b759759a3d71804d881b2ee189e6dc13f7a855 [2018-11-28 17:54:38,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:54:38,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:54:38,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:54:38,591 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:54:38,592 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:54:38,592 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0970b_true-unreach-call.c [2018-11-28 17:54:38,660 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc3532d9e/eb3e815150b34fc79a880b279926ac96/FLAG1f5a12f63 [2018-11-28 17:54:39,114 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:54:39,115 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0970b_true-unreach-call.c [2018-11-28 17:54:39,125 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc3532d9e/eb3e815150b34fc79a880b279926ac96/FLAG1f5a12f63 [2018-11-28 17:54:39,451 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc3532d9e/eb3e815150b34fc79a880b279926ac96 [2018-11-28 17:54:39,456 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:54:39,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:54:39,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:54:39,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:54:39,464 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:54:39,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:54:39" (1/1) ... [2018-11-28 17:54:39,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515fc475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:39, skipping insertion in model container [2018-11-28 17:54:39,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:54:39" (1/1) ... [2018-11-28 17:54:39,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:54:39,510 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:54:39,832 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:54:39,841 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:54:39,924 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:54:39,959 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:54:39,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:39 WrapperNode [2018-11-28 17:54:39,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:54:39,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:54:39,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:54:39,961 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:54:39,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:39" (1/1) ... [2018-11-28 17:54:39,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:39" (1/1) ... [2018-11-28 17:54:40,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:54:40,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:54:40,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:54:40,061 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:54:40,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:39" (1/1) ... [2018-11-28 17:54:40,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:39" (1/1) ... [2018-11-28 17:54:40,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:39" (1/1) ... [2018-11-28 17:54:40,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:39" (1/1) ... [2018-11-28 17:54:40,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:39" (1/1) ... [2018-11-28 17:54:40,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:39" (1/1) ... [2018-11-28 17:54:40,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:39" (1/1) ... [2018-11-28 17:54:40,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:54:40,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:54:40,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:54:40,134 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:54:40,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:39" (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 17:54:40,200 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-28 17:54:40,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-28 17:54:40,200 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-11-28 17:54:40,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-11-28 17:54:40,201 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-11-28 17:54:40,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-11-28 17:54:40,201 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:54:40,201 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:54:40,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-28 17:54:40,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 17:54:40,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:54:40,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:54:40,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-28 17:54:40,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 17:54:40,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:54:40,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:54:40,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 17:54:40,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 17:54:41,009 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:54:41,009 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-28 17:54:41,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:54:41 BoogieIcfgContainer [2018-11-28 17:54:41,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:54:41,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:54:41,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:54:41,014 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:54:41,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:54:39" (1/3) ... [2018-11-28 17:54:41,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b78b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:54:41, skipping insertion in model container [2018-11-28 17:54:41,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:39" (2/3) ... [2018-11-28 17:54:41,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b78b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:54:41, skipping insertion in model container [2018-11-28 17:54:41,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:54:41" (3/3) ... [2018-11-28 17:54:41,019 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970b_true-unreach-call.c [2018-11-28 17:54:41,030 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:54:41,038 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:54:41,056 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:54:41,092 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:54:41,093 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:54:41,094 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:54:41,094 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:54:41,094 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:54:41,094 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:54:41,094 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:54:41,095 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:54:41,095 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:54:41,118 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-11-28 17:54:41,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 17:54:41,131 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:54:41,132 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 17:54:41,135 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:54:41,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:54:41,142 INFO L82 PathProgramCache]: Analyzing trace with hash -550785216, now seen corresponding path program 1 times [2018-11-28 17:54:41,144 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:54:41,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:54:41,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:54:41,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:54:41,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:54:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:54:41,345 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 17:54:41,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:54:41,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 17:54:41,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 17:54:41,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 17:54:41,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:54:41,379 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2018-11-28 17:54:41,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:54:41,414 INFO L93 Difference]: Finished difference Result 108 states and 163 transitions. [2018-11-28 17:54:41,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 17:54:41,416 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-28 17:54:41,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:54:41,428 INFO L225 Difference]: With dead ends: 108 [2018-11-28 17:54:41,429 INFO L226 Difference]: Without dead ends: 54 [2018-11-28 17:54:41,435 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 17:54:41,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-28 17:54:41,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-11-28 17:54:41,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-28 17:54:41,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2018-11-28 17:54:41,492 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 22 [2018-11-28 17:54:41,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:54:41,493 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2018-11-28 17:54:41,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 17:54:41,493 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2018-11-28 17:54:41,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 17:54:41,494 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:54:41,497 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 17:54:41,498 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:54:41,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:54:41,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1652815115, now seen corresponding path program 1 times [2018-11-28 17:54:41,499 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:54:41,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:54:41,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:54:41,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:54:41,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:54:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:54:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:54:41,681 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 17:54:41,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:54:41 BoogieIcfgContainer [2018-11-28 17:54:41,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:54:41,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:54:41,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:54:41,744 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:54:41,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:54:41" (3/4) ... [2018-11-28 17:54:41,750 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 17:54:41,751 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:54:41,752 INFO L168 Benchmark]: Toolchain (without parser) took 2295.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -105.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-11-28 17:54:41,754 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:54:41,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.33 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:54:41,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-28 17:54:41,757 INFO L168 Benchmark]: Boogie Preprocessor took 71.93 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 17:54:41,758 INFO L168 Benchmark]: RCFGBuilder took 876.29 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: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-28 17:54:41,759 INFO L168 Benchmark]: TraceAbstraction took 733.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:54:41,760 INFO L168 Benchmark]: Witness Printer took 6.57 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 17:54:41,766 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 501.33 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 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 100.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 876.29 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: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 733.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Witness Printer took 6.57 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: 175]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 161, overapproximation of bitwiseOr at line 132, overapproximation of someBinaryArithmeticDOUBLEoperation at line 133. Possible FailurePath: [L17-L26] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L28] static const double zero = 0.0; [L111-L114] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L116] static const double zero_log10 = 0.0; VAL [\old(ivln10_log10)=8589934602, \old(Lg1_log)=8589934599, \old(Lg2_log)=8589934600, \old(Lg3_log)=8589934601, \old(Lg4_log)=8589934604, \old(Lg5_log)=8589934605, \old(Lg6_log)=8589934613, \old(Lg7_log)=8589934610, \old(ln2_hi_log)=8589934592, \old(ln2_lo_log)=8589934594, \old(log10_2hi_log10)=8589934595, \old(log10_2lo_log10)=8589934612, \old(two54_log)=8589934614, \old(two54_log10)=8589934596, \old(zero)=8589934616, \old(zero_log10)=8589934607, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L170] double x = -1.0 / 0.0; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L171] CALL, EXPR __ieee754_log10(x) VAL [\old(x)=8589934611, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L119] double y, z; [L120] __int32_t i, k, hx; [L121] __uint32_t lx; VAL [\old(x)=8589934611, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] [L124] ieee_double_shape_type ew_u; [L125] ew_u.value = (x) [L126] EXPR ew_u.parts.msw [L126] (hx) = ew_u.parts.msw [L127] EXPR ew_u.parts.lsw [L127] (lx) = ew_u.parts.lsw [L130] k = 0 VAL [\old(x)=8589934611, hx=-1, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=5, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] [L131] COND TRUE hx < 0x00100000 VAL [\old(x)=8589934611, hx=-1, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=5, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] [L132] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L133] return -two54_log10 / zero_log10; VAL [\old(x)=8589934611, hx=-1, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=5, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] [L171] RET, EXPR __ieee754_log10(x) VAL [__ieee754_log10(x)=8589934593, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] [L171] double res = __ieee754_log10(x); [L174] CALL, EXPR isnan_double(res) VAL [\old(x)=8589934593, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L161] return x != x; VAL [\old(x)=8589934593, \result=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934593, zero=0, zero_log10=0] [L174] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=8589934593, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] [L174] COND TRUE !isnan_double(res) [L175] __VERIFIER_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=8589934593, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 58 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 72 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred 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, 0.0s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 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 17:54:44,220 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:54:44,223 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:54:44,237 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:54:44,238 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:54:44,239 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:54:44,240 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:54:44,242 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:54:44,244 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:54:44,245 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:54:44,246 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:54:44,246 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:54:44,247 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:54:44,248 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:54:44,249 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:54:44,250 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:54:44,251 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:54:44,253 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:54:44,255 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:54:44,257 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:54:44,258 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:54:44,259 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:54:44,262 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:54:44,262 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:54:44,262 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:54:44,263 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:54:44,265 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:54:44,265 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:54:44,266 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:54:44,267 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:54:44,268 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:54:44,268 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:54:44,269 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:54:44,269 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:54:44,270 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:54:44,271 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:54:44,271 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 17:54:44,293 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:54:44,294 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:54:44,294 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:54:44,295 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:54:44,295 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:54:44,296 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:54:44,296 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:54:44,296 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:54:44,296 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:54:44,296 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:54:44,296 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:54:44,297 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:54:44,297 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:54:44,297 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:54:44,297 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 17:54:44,297 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 17:54:44,297 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:54:44,298 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:54:44,298 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:54:44,298 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:54:44,298 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:54:44,298 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:54:44,299 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:54:44,299 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:54:44,299 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:54:44,299 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:54:44,299 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:54:44,299 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:54:44,300 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 17:54:44,300 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:54:44,300 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 17:54:44,300 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 17:54:44,300 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 -> c2b759759a3d71804d881b2ee189e6dc13f7a855 [2018-11-28 17:54:44,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:54:44,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:54:44,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:54:44,391 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:54:44,393 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:54:44,394 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0970b_true-unreach-call.c [2018-11-28 17:54:44,465 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b064a409c/d5ee5dfdbd324b098c6fb0f59192949c/FLAG1e5d9f566 [2018-11-28 17:54:44,923 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:54:44,924 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0970b_true-unreach-call.c [2018-11-28 17:54:44,933 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b064a409c/d5ee5dfdbd324b098c6fb0f59192949c/FLAG1e5d9f566 [2018-11-28 17:54:45,254 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b064a409c/d5ee5dfdbd324b098c6fb0f59192949c [2018-11-28 17:54:45,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:54:45,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:54:45,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:54:45,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:54:45,263 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:54:45,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:54:45" (1/1) ... [2018-11-28 17:54:45,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1147d406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:45, skipping insertion in model container [2018-11-28 17:54:45,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:54:45" (1/1) ... [2018-11-28 17:54:45,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:54:45,306 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:54:45,674 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:54:45,683 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:54:45,768 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:54:45,813 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:54:45,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:45 WrapperNode [2018-11-28 17:54:45,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:54:45,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:54:45,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:54:45,814 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:54:45,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:45" (1/1) ... [2018-11-28 17:54:45,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:45" (1/1) ... [2018-11-28 17:54:45,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:54:45,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:54:45,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:54:45,942 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:54:45,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:45" (1/1) ... [2018-11-28 17:54:45,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:45" (1/1) ... [2018-11-28 17:54:45,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:45" (1/1) ... [2018-11-28 17:54:45,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:45" (1/1) ... [2018-11-28 17:54:46,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:45" (1/1) ... [2018-11-28 17:54:46,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:45" (1/1) ... [2018-11-28 17:54:46,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:45" (1/1) ... [2018-11-28 17:54:46,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:54:46,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:54:46,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:54:46,038 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:54:46,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:54:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-28 17:54:46,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-28 17:54:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-28 17:54:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-11-28 17:54:46,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-11-28 17:54:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-11-28 17:54:46,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-11-28 17:54:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-28 17:54:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:54:46,123 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:54:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:54:46,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:54:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 17:54:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 17:54:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:54:46,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:54:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 17:54:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 17:54:46,460 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:54:51,343 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:54:51,754 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:54:58,220 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:55:16,113 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:55:16,202 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:55:16,502 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:55:16,502 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-28 17:55:16,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:55:16 BoogieIcfgContainer [2018-11-28 17:55:16,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:55:16,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:55:16,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:55:16,509 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:55:16,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:54:45" (1/3) ... [2018-11-28 17:55:16,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df5ac67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:55:16, skipping insertion in model container [2018-11-28 17:55:16,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:54:45" (2/3) ... [2018-11-28 17:55:16,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df5ac67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:55:16, skipping insertion in model container [2018-11-28 17:55:16,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:55:16" (3/3) ... [2018-11-28 17:55:16,514 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970b_true-unreach-call.c [2018-11-28 17:55:16,526 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:55:16,536 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:55:16,551 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:55:16,588 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:55:16,589 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:55:16,589 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:55:16,590 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:55:16,590 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:55:16,590 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:55:16,590 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:55:16,590 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:55:16,590 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:55:16,608 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-11-28 17:55:16,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 17:55:16,613 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:55:16,614 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] [2018-11-28 17:55:16,616 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:55:16,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:55:16,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1509043075, now seen corresponding path program 1 times [2018-11-28 17:55:16,626 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:55:16,627 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-28 17:55:16,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:55:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:55:17,562 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:55:17,580 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 17:55:17,581 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:55:17,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:55:17,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 17:55:17,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 17:55:17,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 17:55:17,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:55:17,626 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2018-11-28 17:55:17,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:55:17,657 INFO L93 Difference]: Finished difference Result 106 states and 161 transitions. [2018-11-28 17:55:17,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 17:55:17,659 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-28 17:55:17,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:55:17,671 INFO L225 Difference]: With dead ends: 106 [2018-11-28 17:55:17,671 INFO L226 Difference]: Without dead ends: 53 [2018-11-28 17:55:17,675 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 17:55:17,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-28 17:55:17,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-11-28 17:55:17,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-28 17:55:17,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2018-11-28 17:55:17,724 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 21 [2018-11-28 17:55:17,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:55:17,724 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2018-11-28 17:55:17,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 17:55:17,725 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-11-28 17:55:17,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 17:55:17,726 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:55:17,726 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 17:55:17,727 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:55:17,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:55:17,727 INFO L82 PathProgramCache]: Analyzing trace with hash -898305620, now seen corresponding path program 1 times [2018-11-28 17:55:17,728 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:55:17,728 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 17:55:17,739 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 17:55:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:55:18,673 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:55:19,117 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 17:55:19,118 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:55:19,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:55:19,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 17:55:19,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 17:55:19,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 17:55:19,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 17:55:19,149 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand 6 states. [2018-11-28 17:55:28,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:55:28,476 INFO L93 Difference]: Finished difference Result 67 states and 81 transitions. [2018-11-28 17:55:28,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:55:28,488 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-11-28 17:55:28,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:55:28,492 INFO L225 Difference]: With dead ends: 67 [2018-11-28 17:55:28,492 INFO L226 Difference]: Without dead ends: 57 [2018-11-28 17:55:28,494 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 17:55:28,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-11-28 17:55:28,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 53. [2018-11-28 17:55:28,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-28 17:55:28,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2018-11-28 17:55:28,505 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 22 [2018-11-28 17:55:28,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:55:28,505 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2018-11-28 17:55:28,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 17:55:28,507 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2018-11-28 17:55:28,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 17:55:28,508 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:55:28,508 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 17:55:28,509 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:55:28,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:55:28,509 INFO L82 PathProgramCache]: Analyzing trace with hash -2001373173, now seen corresponding path program 1 times [2018-11-28 17:55:28,510 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:55:28,511 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 17:55:28,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:55:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:55:28,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:55:28,806 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 17:55:28,807 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:55:28,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:55:28,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 17:55:28,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 17:55:28,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 17:55:28,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 17:55:28,824 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand 6 states. [2018-11-28 17:55:29,918 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-28 17:55:33,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:55:33,761 INFO L93 Difference]: Finished difference Result 72 states and 86 transitions. [2018-11-28 17:55:33,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 17:55:33,764 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-11-28 17:55:33,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:55:33,766 INFO L225 Difference]: With dead ends: 72 [2018-11-28 17:55:33,766 INFO L226 Difference]: Without dead ends: 55 [2018-11-28 17:55:33,767 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-28 17:55:33,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-28 17:55:33,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2018-11-28 17:55:33,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-28 17:55:33,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2018-11-28 17:55:33,781 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 22 [2018-11-28 17:55:33,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:55:33,781 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2018-11-28 17:55:33,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 17:55:33,781 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2018-11-28 17:55:33,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 17:55:33,782 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:55:33,782 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 17:55:33,783 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:55:33,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:55:33,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1147051480, now seen corresponding path program 1 times [2018-11-28 17:55:33,784 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:55:33,784 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 17:55:33,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:55:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:55:34,728 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:55:37,235 WARN L854 $PredicateComparison]: unable to prove that (and (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_log10_#in~x| |c___ieee754_log10_#in~x|) c_~zero_log10~0) |c___ieee754_log10_#res|) (= (_ +zero 11 53) c_~zero_log10~0)) is different from true [2018-11-28 17:55:37,393 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 17:55:37,393 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:55:37,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:55:37,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 17:55:37,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 17:55:37,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 17:55:37,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=56, Unknown=1, NotChecked=14, Total=90 [2018-11-28 17:55:37,421 INFO L87 Difference]: Start difference. First operand 53 states and 65 transitions. Second operand 10 states. [2018-11-28 17:55:43,251 WARN L854 $PredicateComparison]: unable to prove that (and (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_log10_#in~x| |c___ieee754_log10_#in~x|) c_~zero_log10~0) |c___ieee754_log10_#res|) (= c___ieee754_log10_~x |c___ieee754_log10_#in~x|) (= (_ +zero 11 53) c_~zero_log10~0)) is different from true [2018-11-28 17:55:44,550 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-28 17:55:44,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:55:44,811 INFO L93 Difference]: Finished difference Result 60 states and 72 transitions. [2018-11-28 17:55:44,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 17:55:44,812 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-11-28 17:55:44,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:55:44,813 INFO L225 Difference]: With dead ends: 60 [2018-11-28 17:55:44,813 INFO L226 Difference]: Without dead ends: 53 [2018-11-28 17:55:44,814 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=42, Invalid=120, Unknown=2, NotChecked=46, Total=210 [2018-11-28 17:55:44,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-28 17:55:44,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-11-28 17:55:44,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-28 17:55:44,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2018-11-28 17:55:44,823 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 64 transitions. Word has length 23 [2018-11-28 17:55:44,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:55:44,823 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 64 transitions. [2018-11-28 17:55:44,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 17:55:44,824 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2018-11-28 17:55:44,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-28 17:55:44,825 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:55:44,825 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] [2018-11-28 17:55:44,825 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:55:44,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:55:44,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1259065987, now seen corresponding path program 1 times [2018-11-28 17:55:44,826 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:55:44,826 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 17:55:44,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:55:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:55:45,215 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:55:45,371 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 17:55:45,371 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:55:45,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:55:45,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 17:55:45,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 17:55:45,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 17:55:45,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 17:55:45,388 INFO L87 Difference]: Start difference. First operand 53 states and 64 transitions. Second operand 6 states. [2018-11-28 17:55:49,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:55:49,411 INFO L93 Difference]: Finished difference Result 53 states and 64 transitions. [2018-11-28 17:55:49,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:55:49,415 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-11-28 17:55:49,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:55:49,415 INFO L225 Difference]: With dead ends: 53 [2018-11-28 17:55:49,416 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 17:55:49,416 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-28 17:55:49,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 17:55:49,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 17:55:49,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 17:55:49,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 17:55:49,417 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-11-28 17:55:49,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:55:49,418 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 17:55:49,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 17:55:49,418 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 17:55:49,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 17:55:49,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 17:55:49,638 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-11-28 17:55:49,770 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 18 [2018-11-28 17:55:50,063 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 161) the Hoare annotation is: true [2018-11-28 17:55:50,064 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 161) no Hoare annotation was computed. [2018-11-28 17:55:50,064 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 161) no Hoare annotation was computed. [2018-11-28 17:55:50,064 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:55:50,064 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 17:55:50,064 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:55:50,064 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 143) no Hoare annotation was computed. [2018-11-28 17:55:50,064 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10EXIT(lines 118 158) no Hoare annotation was computed. [2018-11-28 17:55:50,065 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 118 158) no Hoare annotation was computed. [2018-11-28 17:55:50,065 INFO L448 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-11-28 17:55:50,065 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2018-11-28 17:55:50,065 INFO L444 ceAbstractionStarter]: At program point L123-2(lines 123 128) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero_log10~0)) (= __ieee754_log10_~x |__ieee754_log10_#in~x|)) [2018-11-28 17:55:50,065 INFO L448 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2018-11-28 17:55:50,065 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 133) no Hoare annotation was computed. [2018-11-28 17:55:50,065 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10FINAL(lines 118 158) no Hoare annotation was computed. [2018-11-28 17:55:50,066 INFO L451 ceAbstractionStarter]: At program point __ieee754_log10ENTRY(lines 118 158) the Hoare annotation is: true [2018-11-28 17:55:50,066 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 150 155) no Hoare annotation was computed. [2018-11-28 17:55:50,066 INFO L444 ceAbstractionStarter]: At program point L150-2(lines 150 155) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero_log10~0)) (exists ((v_prenex_15 (_ BitVec 64))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_15) ((_ extract 62 52) v_prenex_15) ((_ extract 51 0) v_prenex_15))) (not (bvslt ((_ extract 63 32) v_prenex_15) (_ bv0 32)))))) [2018-11-28 17:55:50,066 INFO L444 ceAbstractionStarter]: At program point L150-3(lines 150 155) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero_log10~0)) (exists ((v_prenex_15 (_ BitVec 64))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_15) ((_ extract 62 52) v_prenex_15) ((_ extract 51 0) v_prenex_15))) (not (bvslt ((_ extract 63 32) v_prenex_15) (_ bv0 32)))))) [2018-11-28 17:55:50,066 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 138 142) no Hoare annotation was computed. [2018-11-28 17:55:50,066 INFO L444 ceAbstractionStarter]: At program point L138-2(lines 138 142) the Hoare annotation is: (or (and (exists ((v_prenex_15 (_ BitVec 64))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_15) ((_ extract 62 52) v_prenex_15) ((_ extract 51 0) v_prenex_15))) (not (bvslt ((_ extract 63 32) v_prenex_15) (_ bv0 32))))) (exists ((v_prenex_13 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_13) ((_ extract 62 52) v_prenex_13) ((_ extract 51 0) v_prenex_13)) |__ieee754_log10_#in~x|) (= __ieee754_log10_~hx~1 ((_ extract 63 32) v_prenex_13))))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-11-28 17:55:50,068 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 135) no Hoare annotation was computed. [2018-11-28 17:55:50,068 INFO L451 ceAbstractionStarter]: At program point L35-2(lines 35 40) the Hoare annotation is: true [2018-11-28 17:55:50,068 INFO L448 ceAbstractionStarter]: For program point L35-3(lines 35 40) no Hoare annotation was computed. [2018-11-28 17:55:50,068 INFO L448 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 30 109) no Hoare annotation was computed. [2018-11-28 17:55:50,068 INFO L448 ceAbstractionStarter]: For program point L44(lines 44 45) no Hoare annotation was computed. [2018-11-28 17:55:50,068 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 85) no Hoare annotation was computed. [2018-11-28 17:55:50,069 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2018-11-28 17:55:50,070 INFO L448 ceAbstractionStarter]: For program point L61-1(lines 61 66) no Hoare annotation was computed. [2018-11-28 17:55:50,071 INFO L451 ceAbstractionStarter]: At program point L61-2(lines 61 66) the Hoare annotation is: true [2018-11-28 17:55:50,071 INFO L448 ceAbstractionStarter]: For program point L61-3(lines 61 66) no Hoare annotation was computed. [2018-11-28 17:55:50,071 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 77) no Hoare annotation was computed. [2018-11-28 17:55:50,071 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 50 54) no Hoare annotation was computed. [2018-11-28 17:55:50,071 INFO L451 ceAbstractionStarter]: At program point L50-2(lines 50 54) the Hoare annotation is: true [2018-11-28 17:55:50,071 INFO L448 ceAbstractionStarter]: For program point L79(lines 79 84) no Hoare annotation was computed. [2018-11-28 17:55:50,071 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 47) no Hoare annotation was computed. [2018-11-28 17:55:50,073 INFO L451 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 30 109) the Hoare annotation is: true [2018-11-28 17:55:50,073 INFO L448 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 30 109) no Hoare annotation was computed. [2018-11-28 17:55:50,073 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 107) no Hoare annotation was computed. [2018-11-28 17:55:50,074 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 76) no Hoare annotation was computed. [2018-11-28 17:55:50,074 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 108) no Hoare annotation was computed. [2018-11-28 17:55:50,074 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 55) no Hoare annotation was computed. [2018-11-28 17:55:50,074 INFO L448 ceAbstractionStarter]: For program point L43-1(lines 30 109) no Hoare annotation was computed. [2018-11-28 17:55:50,074 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 35 40) no Hoare annotation was computed. [2018-11-28 17:55:50,076 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:55:50,076 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= (_ +zero 11 53) ~zero_log10~0) [2018-11-28 17:55:50,076 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 17:55:50,076 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:55:50,076 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-28 17:55:50,076 INFO L444 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (and (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse0 .cse0) (_ +zero 11 53)) main_~res~0) (= .cse0 main_~x~0))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-11-28 17:55:50,078 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 163 180) the Hoare annotation is: true [2018-11-28 17:55:50,078 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 174 177) no Hoare annotation was computed. [2018-11-28 17:55:50,078 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 163 180) no Hoare annotation was computed. [2018-11-28 17:55:50,078 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2018-11-28 17:55:50,079 INFO L444 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-11-28 17:55:50,079 INFO L448 ceAbstractionStarter]: For program point L171-1(line 171) no Hoare annotation was computed. [2018-11-28 17:55:50,080 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 163 180) no Hoare annotation was computed. [2018-11-28 17:55:50,088 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,089 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,089 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,089 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,089 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 17:55:50,089 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 17:55:50,091 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 17:55:50,091 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 17:55:50,097 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,098 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,098 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,098 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,098 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 17:55:50,099 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 17:55:50,099 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 17:55:50,099 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 17:55:50,101 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,101 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,101 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,102 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,103 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,103 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,103 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,104 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:55:50 BoogieIcfgContainer [2018-11-28 17:55:50,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:55:50,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:55:50,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:55:50,109 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:55:50,110 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:55:16" (3/4) ... [2018-11-28 17:55:50,114 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 17:55:50,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-11-28 17:55:50,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 17:55:50,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10 [2018-11-28 17:55:50,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-11-28 17:55:50,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 17:55:50,130 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 17:55:50,131 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 17:55:50,131 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 17:55:50,132 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 17:55:50,159 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~Pluszero~LONGDOUBLE() == zero_log10) || x == \old(x) [2018-11-28 17:55:50,160 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_prenex_15 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_15[63:63], v_prenex_15[62:52], v_prenex_15[51:0]) && !~bvslt32(v_prenex_15[63:32], 0bv32)) && (\exists v_prenex_13 : bv64 :: ~fp~LONGDOUBLE(v_prenex_13[63:63], v_prenex_13[62:52], v_prenex_13[51:0]) == \old(x) && hx == v_prenex_13[63:32])) || !(~Pluszero~LONGDOUBLE() == zero_log10) [2018-11-28 17:55:50,160 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~Pluszero~LONGDOUBLE() == zero_log10) || (\exists v_prenex_15 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_15[63:63], v_prenex_15[62:52], v_prenex_15[51:0]) && !~bvslt32(v_prenex_15[63:32], 0bv32)) [2018-11-28 17:55:50,218 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 17:55:50,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:55:50,219 INFO L168 Benchmark]: Toolchain (without parser) took 64961.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 951.3 MB in the beginning and 848.0 MB in the end (delta: 103.3 MB). Peak memory consumption was 214.5 MB. Max. memory is 11.5 GB. [2018-11-28 17:55:50,221 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:55:50,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.23 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:55:50,222 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-28 17:55:50,222 INFO L168 Benchmark]: Boogie Preprocessor took 93.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:55:50,223 INFO L168 Benchmark]: RCFGBuilder took 30464.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. [2018-11-28 17:55:50,225 INFO L168 Benchmark]: TraceAbstraction took 33602.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 854.7 MB in the end (delta: 204.0 MB). Peak memory consumption was 204.0 MB. Max. memory is 11.5 GB. [2018-11-28 17:55:50,225 INFO L168 Benchmark]: Witness Printer took 109.63 ms. Allocated memory is still 1.1 GB. Free memory was 854.7 MB in the beginning and 848.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 17:55:50,229 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 554.23 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 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 127.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 93.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 30464.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 33602.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 854.7 MB in the end (delta: 204.0 MB). Peak memory consumption was 204.0 MB. Max. memory is 11.5 GB. * Witness Printer took 109.63 ms. Allocated memory is still 1.1 GB. Free memory was 854.7 MB in the beginning and 848.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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: 138]: Loop Invariant [2018-11-28 17:55:50,238 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 17:55:50,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 17:55:50,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 17:55:50,240 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 17:55:50,240 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,240 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,240 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,246 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,246 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 17:55:50,246 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 17:55:50,246 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 17:55:50,247 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] Derived loop invariant: ((\exists v_prenex_15 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_15[63:63], v_prenex_15[62:52], v_prenex_15[51:0]) && !~bvslt32(v_prenex_15[63:32], 0bv32)) && (\exists v_prenex_13 : bv64 :: ~fp~LONGDOUBLE(v_prenex_13[63:63], v_prenex_13[62:52], v_prenex_13[51:0]) == \old(x) && hx == v_prenex_13[63:32])) || !(~Pluszero~LONGDOUBLE() == zero_log10) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: !(~Pluszero~LONGDOUBLE() == zero_log10) || x == \old(x) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 150]: Loop Invariant [2018-11-28 17:55:50,247 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,251 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,251 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,251 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,251 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,252 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,252 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-28 17:55:50,252 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] Derived loop invariant: !(~Pluszero~LONGDOUBLE() == zero_log10) || (\exists v_prenex_15 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_15[63:63], v_prenex_15[62:52], v_prenex_15[51:0]) && !~bvslt32(v_prenex_15[63:32], 0bv32)) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 57 locations, 1 error locations. SAFE Result, 33.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 25.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 296 SDtfs, 108 SDslu, 926 SDs, 0 SdLazy, 174 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred 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, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 28 PreInvPairs, 41 NumberOfFragments, 149 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 137 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 22 QuantifiedInterpolants, 13921 SizeOfPredicates, 15 NumberOfNonLiveVariables, 552 ConjunctsInSsa, 34 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...