./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_0832a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_0832a_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 11ee320e5dd60225454ae4b669c3bcedd1b28d2a .................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_0832a_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 11ee320e5dd60225454ae4b669c3bcedd1b28d2a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:13:29,004 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:13:29,006 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:13:29,025 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:13:29,025 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:13:29,030 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:13:29,032 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:13:29,035 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:13:29,036 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:13:29,038 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:13:29,040 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:13:29,041 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:13:29,043 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:13:29,046 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:13:29,055 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:13:29,056 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:13:29,058 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:13:29,062 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:13:29,064 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:13:29,069 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:13:29,070 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:13:29,071 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:13:29,076 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:13:29,077 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:13:29,078 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:13:29,079 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:13:29,082 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:13:29,084 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:13:29,086 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:13:29,088 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:13:29,089 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:13:29,091 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:13:29,092 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:13:29,092 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:13:29,093 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:13:29,094 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:13:29,094 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:13:29,122 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:13:29,123 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:13:29,124 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:13:29,124 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:13:29,124 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:13:29,127 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:13:29,127 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:13:29,127 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:13:29,127 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:13:29,127 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:13:29,128 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:13:29,130 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:13:29,130 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:13:29,130 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:13:29,130 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:13:29,130 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:13:29,131 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:13:29,131 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:13:29,131 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:13:29,132 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:13:29,132 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:13:29,132 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:13:29,132 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:13:29,132 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:13:29,132 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:13:29,133 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:13:29,138 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:13:29,138 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:13:29,138 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 -> 11ee320e5dd60225454ae4b669c3bcedd1b28d2a [2019-01-12 09:13:29,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:13:29,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:13:29,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:13:29,217 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:13:29,218 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:13:29,219 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2019-01-12 09:13:29,283 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9eec6232/81fd787b2ae94b61b916e74732d65506/FLAGed9a1f69a [2019-01-12 09:13:29,717 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:13:29,718 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2019-01-12 09:13:29,725 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9eec6232/81fd787b2ae94b61b916e74732d65506/FLAGed9a1f69a [2019-01-12 09:13:30,071 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9eec6232/81fd787b2ae94b61b916e74732d65506 [2019-01-12 09:13:30,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:13:30,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:13:30,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:13:30,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:13:30,082 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:13:30,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:13:30" (1/1) ... [2019-01-12 09:13:30,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44015316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:30, skipping insertion in model container [2019-01-12 09:13:30,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:13:30" (1/1) ... [2019-01-12 09:13:30,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:13:30,131 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:13:30,419 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:13:30,435 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:13:30,493 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:13:30,527 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:13:30,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:30 WrapperNode [2019-01-12 09:13:30,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:13:30,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:13:30,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:13:30,530 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:13:30,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:30" (1/1) ... [2019-01-12 09:13:30,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:30" (1/1) ... [2019-01-12 09:13:30,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:13:30,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:13:30,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:13:30,705 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:13:30,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:30" (1/1) ... [2019-01-12 09:13:30,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:30" (1/1) ... [2019-01-12 09:13:30,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:30" (1/1) ... [2019-01-12 09:13:30,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:30" (1/1) ... [2019-01-12 09:13:30,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:30" (1/1) ... [2019-01-12 09:13:30,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:30" (1/1) ... [2019-01-12 09:13:30,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:30" (1/1) ... [2019-01-12 09:13:30,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:13:30,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:13:30,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:13:30,765 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:13:30,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:13:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:13:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:13:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 09:13:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 09:13:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:13:30,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:13:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:13:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-01-12 09:13:30,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:13:31,393 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:13:31,394 INFO L286 CfgBuilder]: Removed 16 assue(true) statements. [2019-01-12 09:13:31,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:13:31 BoogieIcfgContainer [2019-01-12 09:13:31,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:13:31,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:13:31,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:13:31,400 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:13:31,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:13:30" (1/3) ... [2019-01-12 09:13:31,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8850a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:13:31, skipping insertion in model container [2019-01-12 09:13:31,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:30" (2/3) ... [2019-01-12 09:13:31,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8850a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:13:31, skipping insertion in model container [2019-01-12 09:13:31,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:13:31" (3/3) ... [2019-01-12 09:13:31,404 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832a_true-unreach-call.c [2019-01-12 09:13:31,414 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:13:31,425 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:13:31,443 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:13:31,474 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:13:31,475 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:13:31,475 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:13:31,476 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:13:31,476 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:13:31,476 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:13:31,476 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:13:31,476 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:13:31,477 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:13:31,495 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2019-01-12 09:13:31,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-12 09:13:31,501 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:13:31,501 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:13:31,503 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:13:31,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:13:31,509 INFO L82 PathProgramCache]: Analyzing trace with hash 354246130, now seen corresponding path program 1 times [2019-01-12 09:13:31,510 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:13:31,511 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:13:31,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:13:31,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:13:31,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:13:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:13:31,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:13:31,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:13:31,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:13:31,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:13:31,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:13:31,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:13:31,655 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2019-01-12 09:13:31,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:13:31,676 INFO L93 Difference]: Finished difference Result 70 states and 112 transitions. [2019-01-12 09:13:31,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:13:31,677 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-01-12 09:13:31,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:13:31,689 INFO L225 Difference]: With dead ends: 70 [2019-01-12 09:13:31,690 INFO L226 Difference]: Without dead ends: 33 [2019-01-12 09:13:31,693 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 [2019-01-12 09:13:31,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-01-12 09:13:31,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-01-12 09:13:31,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-01-12 09:13:31,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2019-01-12 09:13:31,729 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 8 [2019-01-12 09:13:31,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:13:31,730 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2019-01-12 09:13:31,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:13:31,730 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2019-01-12 09:13:31,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-12 09:13:31,730 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:13:31,731 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:13:31,731 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:13:31,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:13:31,731 INFO L82 PathProgramCache]: Analyzing trace with hash 325000437, now seen corresponding path program 1 times [2019-01-12 09:13:31,732 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:13:31,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:13:31,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:13:31,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:13:31,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:13:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:13:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:13:31,871 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 09:13:31,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:13:31 BoogieIcfgContainer [2019-01-12 09:13:31,916 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:13:31,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:13:31,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:13:31,917 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:13:31,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:13:31" (3/4) ... [2019-01-12 09:13:31,921 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 09:13:31,921 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:13:31,922 INFO L168 Benchmark]: Toolchain (without parser) took 1846.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -106.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:31,924 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:13:31,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.73 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:31,925 INFO L168 Benchmark]: Boogie Procedure Inliner took 174.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:31,926 INFO L168 Benchmark]: Boogie Preprocessor took 57.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:13:31,927 INFO L168 Benchmark]: RCFGBuilder took 633.06 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:31,927 INFO L168 Benchmark]: TraceAbstraction took 519.68 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: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:31,928 INFO L168 Benchmark]: Witness Printer took 4.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:13:31,933 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 451.73 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 174.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.53 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 633.06 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 519.68 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: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.98 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: 122]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 121, overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of bitwiseAnd at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [halF_exp={-3:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={-2:0}, ln2LO_exp={1:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L117] float x = 0.0f; [L37] float y, hi, lo, c, t; [L38] __int32_t k = 0, xsb, sx; [L39] __uint32_t hx; VAL [halF_exp={-3:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={-2:0}, ln2LO_exp={1:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L42] ieee_float_shape_type gf_u; [L43] gf_u.value = (x) [L44] EXPR gf_u.word [L44] (sx) = gf_u.word [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [halF_exp={-3:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={-2:0}, ln2LO_exp={1:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] return x + x; VAL [halF_exp={-3:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={-2:0}, ln2LO_exp={1:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L118] float res = __ieee754_expf(x); [L121] COND TRUE res != 1.0f VAL [halF_exp={-3:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={-2:0}, ln2LO_exp={1:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L122] __VERIFIER_error() VAL [halF_exp={-3:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={-2:0}, ln2LO_exp={1:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 36 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 46 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=36occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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 0.1.24-0ed9222-m [2019-01-12 09:13:34,281 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:13:34,286 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:13:34,310 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:13:34,311 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:13:34,312 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:13:34,316 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:13:34,317 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:13:34,321 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:13:34,329 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:13:34,330 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:13:34,332 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:13:34,333 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:13:34,334 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:13:34,335 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:13:34,336 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:13:34,337 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:13:34,339 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:13:34,341 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:13:34,343 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:13:34,344 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:13:34,345 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:13:34,348 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:13:34,348 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:13:34,348 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:13:34,349 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:13:34,351 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:13:34,352 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:13:34,353 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:13:34,354 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:13:34,354 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:13:34,355 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:13:34,355 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:13:34,355 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:13:34,357 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:13:34,358 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:13:34,358 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 09:13:34,374 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:13:34,374 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:13:34,375 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:13:34,376 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:13:34,376 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:13:34,376 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:13:34,377 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:13:34,377 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:13:34,377 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:13:34,377 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:13:34,377 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:13:34,378 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:13:34,378 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 09:13:34,378 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 09:13:34,378 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:13:34,378 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:13:34,378 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:13:34,379 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:13:34,380 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:13:34,381 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:13:34,381 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:13:34,381 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:13:34,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:13:34,382 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:13:34,382 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:13:34,382 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:13:34,383 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 09:13:34,383 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:13:34,383 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 09:13:34,383 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 09:13:34,383 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 -> 11ee320e5dd60225454ae4b669c3bcedd1b28d2a [2019-01-12 09:13:34,432 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:13:34,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:13:34,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:13:34,458 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:13:34,459 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:13:34,460 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2019-01-12 09:13:34,526 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0cb8af97/d012df79ea164cd587a06d9fb275c85a/FLAG0e3cdb0b3 [2019-01-12 09:13:34,968 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:13:34,968 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2019-01-12 09:13:34,982 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0cb8af97/d012df79ea164cd587a06d9fb275c85a/FLAG0e3cdb0b3 [2019-01-12 09:13:35,332 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0cb8af97/d012df79ea164cd587a06d9fb275c85a [2019-01-12 09:13:35,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:13:35,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:13:35,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:13:35,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:13:35,342 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:13:35,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:13:35" (1/1) ... [2019-01-12 09:13:35,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@580b90c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:35, skipping insertion in model container [2019-01-12 09:13:35,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:13:35" (1/1) ... [2019-01-12 09:13:35,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:13:35,378 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:13:35,588 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:13:35,599 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:13:35,667 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:13:35,701 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:13:35,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:35 WrapperNode [2019-01-12 09:13:35,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:13:35,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:13:35,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:13:35,702 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:13:35,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:35" (1/1) ... [2019-01-12 09:13:35,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:35" (1/1) ... [2019-01-12 09:13:35,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:13:35,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:13:35,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:13:35,816 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:13:35,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:35" (1/1) ... [2019-01-12 09:13:35,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:35" (1/1) ... [2019-01-12 09:13:35,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:35" (1/1) ... [2019-01-12 09:13:35,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:35" (1/1) ... [2019-01-12 09:13:35,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:35" (1/1) ... [2019-01-12 09:13:35,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:35" (1/1) ... [2019-01-12 09:13:35,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:35" (1/1) ... [2019-01-12 09:13:35,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:13:35,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:13:35,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:13:35,866 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:13:35,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:13:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-01-12 09:13:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:13:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-01-12 09:13:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 09:13:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:13:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:13:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-01-12 09:13:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 09:13:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:13:36,155 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:13:36,213 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:13:45,289 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:13:45,337 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:13:45,480 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:13:45,480 INFO L286 CfgBuilder]: Removed 16 assue(true) statements. [2019-01-12 09:13:45,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:13:45 BoogieIcfgContainer [2019-01-12 09:13:45,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:13:45,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:13:45,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:13:45,485 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:13:45,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:13:35" (1/3) ... [2019-01-12 09:13:45,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54fa3749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:13:45, skipping insertion in model container [2019-01-12 09:13:45,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:13:35" (2/3) ... [2019-01-12 09:13:45,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54fa3749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:13:45, skipping insertion in model container [2019-01-12 09:13:45,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:13:45" (3/3) ... [2019-01-12 09:13:45,488 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832a_true-unreach-call.c [2019-01-12 09:13:45,496 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:13:45,503 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:13:45,519 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:13:45,551 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:13:45,552 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:13:45,552 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:13:45,553 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:13:45,553 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:13:45,553 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:13:45,553 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:13:45,553 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:13:45,553 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:13:45,567 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2019-01-12 09:13:45,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-12 09:13:45,573 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:13:45,574 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:13:45,576 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:13:45,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:13:45,582 INFO L82 PathProgramCache]: Analyzing trace with hash 354246130, now seen corresponding path program 1 times [2019-01-12 09:13:45,587 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:13:45,588 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 [2019-01-12 09:13:45,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:13:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:13:45,701 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:13:45,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:13:45,715 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:13:45,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:13:45,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:13:45,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:13:45,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:13:45,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:13:45,743 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2019-01-12 09:13:45,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:13:45,761 INFO L93 Difference]: Finished difference Result 70 states and 112 transitions. [2019-01-12 09:13:45,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:13:45,763 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-01-12 09:13:45,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:13:45,775 INFO L225 Difference]: With dead ends: 70 [2019-01-12 09:13:45,775 INFO L226 Difference]: Without dead ends: 33 [2019-01-12 09:13:45,779 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:13:45,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-01-12 09:13:45,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-01-12 09:13:45,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-01-12 09:13:45,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2019-01-12 09:13:45,819 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 8 [2019-01-12 09:13:45,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:13:45,820 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2019-01-12 09:13:45,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:13:45,820 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2019-01-12 09:13:45,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-12 09:13:45,822 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:13:45,822 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:13:45,822 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:13:45,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:13:45,823 INFO L82 PathProgramCache]: Analyzing trace with hash 325000437, now seen corresponding path program 1 times [2019-01-12 09:13:45,824 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:13:45,826 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) [2019-01-12 09:13:45,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-01-12 09:13:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:13:45,926 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:13:46,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:13:46,148 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:13:46,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:13:46,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:13:46,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:13:46,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:13:46,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:13:46,167 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. Second operand 5 states. [2019-01-12 09:13:51,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:13:51,931 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2019-01-12 09:13:52,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 09:13:52,007 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-01-12 09:13:52,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:13:52,008 INFO L225 Difference]: With dead ends: 54 [2019-01-12 09:13:52,008 INFO L226 Difference]: Without dead ends: 33 [2019-01-12 09:13:52,010 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:13:52,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-01-12 09:13:52,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 29. [2019-01-12 09:13:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-01-12 09:13:52,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2019-01-12 09:13:52,016 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 9 [2019-01-12 09:13:52,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:13:52,016 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2019-01-12 09:13:52,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:13:52,017 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2019-01-12 09:13:52,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-01-12 09:13:52,018 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:13:52,018 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:13:52,019 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:13:52,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:13:52,019 INFO L82 PathProgramCache]: Analyzing trace with hash -239562945, now seen corresponding path program 1 times [2019-01-12 09:13:52,021 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:13:52,021 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 [2019-01-12 09:13:52,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:13:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:13:52,159 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:13:52,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:13:52,414 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:13:52,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:13:52,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:13:52,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 09:13:52,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 09:13:52,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-12 09:13:52,426 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 6 states. [2019-01-12 09:13:58,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:13:58,308 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-01-12 09:13:58,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:13:58,309 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-01-12 09:13:58,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:13:58,310 INFO L225 Difference]: With dead ends: 33 [2019-01-12 09:13:58,310 INFO L226 Difference]: Without dead ends: 29 [2019-01-12 09:13:58,310 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-12 09:13:58,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-01-12 09:13:58,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-01-12 09:13:58,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-01-12 09:13:58,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2019-01-12 09:13:58,316 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 15 [2019-01-12 09:13:58,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:13:58,317 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2019-01-12 09:13:58,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 09:13:58,317 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-01-12 09:13:58,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-12 09:13:58,318 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:13:58,318 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:13:58,318 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:13:58,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:13:58,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1708303706, now seen corresponding path program 1 times [2019-01-12 09:13:58,320 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:13:58,320 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 [2019-01-12 09:13:58,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:13:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:13:59,172 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:13:59,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:13:59,296 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:13:59,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:13:59,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 09:13:59,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 09:13:59,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 09:13:59,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:13:59,328 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 4 states. [2019-01-12 09:13:59,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:13:59,368 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2019-01-12 09:13:59,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 09:13:59,371 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-01-12 09:13:59,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:13:59,371 INFO L225 Difference]: With dead ends: 29 [2019-01-12 09:13:59,371 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:13:59,372 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:13:59,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:13:59,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:13:59,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:13:59,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:13:59,373 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2019-01-12 09:13:59,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:13:59,373 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:13:59,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 09:13:59,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:13:59,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:13:59,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:13:59,653 WARN L181 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2019-01-12 09:13:59,694 INFO L451 ceAbstractionStarter]: At program point L126(lines 111 127) the Hoare annotation is: true [2019-01-12 09:13:59,694 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-01-12 09:13:59,694 INFO L448 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2019-01-12 09:13:59,694 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2019-01-12 09:13:59,694 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 95 108) no Hoare annotation was computed. [2019-01-12 09:13:59,694 INFO L448 ceAbstractionStarter]: For program point L102-2(lines 102 106) no Hoare annotation was computed. [2019-01-12 09:13:59,695 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:13:59,695 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:13:59,695 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2019-01-12 09:13:59,695 INFO L448 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2019-01-12 09:13:59,695 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2019-01-12 09:13:59,695 INFO L448 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2019-01-12 09:13:59,695 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2019-01-12 09:13:59,696 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 124) no Hoare annotation was computed. [2019-01-12 09:13:59,696 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2019-01-12 09:13:59,696 INFO L448 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2019-01-12 09:13:59,696 INFO L444 ceAbstractionStarter]: At program point L97-2(lines 97 101) the Hoare annotation is: false [2019-01-12 09:13:59,696 INFO L448 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2019-01-12 09:13:59,696 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2019-01-12 09:13:59,696 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 82 95) no Hoare annotation was computed. [2019-01-12 09:13:59,697 INFO L448 ceAbstractionStarter]: For program point L89-2(lines 89 93) no Hoare annotation was computed. [2019-01-12 09:13:59,697 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:13:59,697 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2019-01-12 09:13:59,697 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-01-12 09:13:59,697 INFO L444 ceAbstractionStarter]: At program point L107(lines 36 109) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (and (= .cse0 ~one_exp~0) (= (fp.add roundNearestTiesToEven .cse0 (_ +zero 8 24)) |ULTIMATE.start___ieee754_expf_#res|) (= (_ +zero 8 24) ULTIMATE.start___ieee754_expf_~x))) [2019-01-12 09:13:59,697 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2019-01-12 09:13:59,698 INFO L444 ceAbstractionStarter]: At program point L41-2(lines 41 45) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ~one_exp~0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_exp~0) (= (_ +zero 8 24) ULTIMATE.start___ieee754_expf_~x)) [2019-01-12 09:13:59,698 INFO L448 ceAbstractionStarter]: For program point L41-3(lines 41 45) no Hoare annotation was computed. [2019-01-12 09:13:59,698 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:13:59,698 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2019-01-12 09:13:59,698 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2019-01-12 09:13:59,698 INFO L448 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2019-01-12 09:13:59,698 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2019-01-12 09:13:59,699 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2019-01-12 09:13:59,699 INFO L444 ceAbstractionStarter]: At program point L84-2(lines 84 88) the Hoare annotation is: false [2019-01-12 09:13:59,699 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 122) no Hoare annotation was computed. [2019-01-12 09:13:59,715 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,716 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,717 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,718 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,718 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,722 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,725 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,726 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,726 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,726 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,729 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,731 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,731 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,731 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,733 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,733 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,734 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,734 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:13:59 BoogieIcfgContainer [2019-01-12 09:13:59,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:13:59,739 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:13:59,739 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:13:59,739 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:13:59,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:13:45" (3/4) ... [2019-01-12 09:13:59,751 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 09:13:59,773 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-01-12 09:13:59,774 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-01-12 09:13:59,774 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 09:13:59,819 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) == one_exp && ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == \result) && ~Pluszero~LONGDOUBLE() == x [2019-01-12 09:13:59,912 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 09:13:59,912 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:13:59,916 INFO L168 Benchmark]: Toolchain (without parser) took 24579.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 951.3 MB in the beginning and 947.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 105.0 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:59,917 INFO L168 Benchmark]: CDTParser took 0.43 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. [2019-01-12 09:13:59,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.52 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. [2019-01-12 09:13:59,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:59,919 INFO L168 Benchmark]: Boogie Preprocessor took 49.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:13:59,919 INFO L168 Benchmark]: RCFGBuilder took 9616.06 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: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:59,919 INFO L168 Benchmark]: TraceAbstraction took 14256.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.4 MB in the end (delta: 98.7 MB). Peak memory consumption was 98.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:59,920 INFO L168 Benchmark]: Witness Printer took 173.69 ms. Allocated memory is still 1.1 GB. Free memory was 954.4 MB in the beginning and 947.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:13:59,923 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 363.52 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 113.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.53 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 9616.06 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: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14256.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.4 MB in the end (delta: 98.7 MB). Peak memory consumption was 98.7 MB. Max. memory is 11.5 GB. * Witness Printer took 173.69 ms. Allocated memory is still 1.1 GB. Free memory was 954.4 MB in the beginning and 947.6 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 122]: 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: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 36]: Loop Invariant [2019-01-12 09:13:59,929 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,930 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,930 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,930 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,930 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,931 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,931 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,931 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,931 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,932 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) == one_exp && ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == \result) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 41]: Loop Invariant [2019-01-12 09:13:59,932 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,932 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,932 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,939 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,940 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,940 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,940 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:13:59,940 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) == one_exp && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_exp) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 36 locations, 1 error locations. SAFE Result, 14.1s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 11.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 100 SDtfs, 70 SDslu, 110 SDs, 0 SdLazy, 37 SolverSat, 5 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 10.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred 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, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 8 NumberOfFragments, 42 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 45 ConstructedInterpolants, 1 QuantifiedInterpolants, 5509 SizeOfPredicates, 16 NumberOfNonLiveVariables, 253 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...