./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_0730a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_0730a_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 22720996e63b36cb2ef4e4d04061274514aafdad .......................................................................................................................................................................................................................................................................................................... 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_0730a_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 22720996e63b36cb2ef4e4d04061274514aafdad ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:00:44,818 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:00:44,820 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:00:44,838 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:00:44,839 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:00:44,841 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:00:44,843 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:00:44,847 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:00:44,849 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:00:44,852 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:00:44,854 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:00:44,855 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:00:44,856 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:00:44,859 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:00:44,868 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:00:44,869 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:00:44,870 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:00:44,872 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:00:44,874 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:00:44,875 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:00:44,876 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:00:44,878 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:00:44,880 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:00:44,880 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:00:44,880 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:00:44,881 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:00:44,882 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:00:44,883 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:00:44,884 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:00:44,885 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:00:44,885 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:00:44,886 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:00:44,887 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:00:44,887 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:00:44,888 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:00:44,888 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:00:44,888 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:00:44,904 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:00:44,905 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:00:44,906 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:00:44,906 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:00:44,907 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:00:44,907 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:00:44,907 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:00:44,907 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:00:44,908 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:00:44,908 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:00:44,908 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:00:44,908 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:00:44,908 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:00:44,910 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:00:44,910 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:00:44,910 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:00:44,911 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:00:44,911 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:00:44,911 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:00:44,912 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:00:44,912 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:00:44,913 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:00:44,913 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:00:44,913 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:00:44,913 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:00:44,913 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:00:44,913 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:00:44,915 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:00:44,915 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:00:44,916 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:00:44,916 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 -> 22720996e63b36cb2ef4e4d04061274514aafdad [2018-11-28 18:00:44,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:00:44,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:00:44,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:00:44,975 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:00:44,975 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:00:44,977 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0730a_true-unreach-call.c [2018-11-28 18:00:45,028 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72e834007/62b5ef83b68f4d0485a906938ab8fc28/FLAGdd98c41ff [2018-11-28 18:00:45,483 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:00:45,484 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0730a_true-unreach-call.c [2018-11-28 18:00:45,495 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72e834007/62b5ef83b68f4d0485a906938ab8fc28/FLAGdd98c41ff [2018-11-28 18:00:45,825 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72e834007/62b5ef83b68f4d0485a906938ab8fc28 [2018-11-28 18:00:45,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:00:45,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:00:45,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:00:45,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:00:45,837 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:00:45,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:00:45" (1/1) ... [2018-11-28 18:00:45,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dcdd59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:45, skipping insertion in model container [2018-11-28 18:00:45,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:00:45" (1/1) ... [2018-11-28 18:00:45,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:00:45,876 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:00:46,175 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:00:46,181 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:00:46,237 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:00:46,264 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:00:46,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:46 WrapperNode [2018-11-28 18:00:46,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:00:46,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:00:46,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:00:46,266 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:00:46,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:46" (1/1) ... [2018-11-28 18:00:46,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:46" (1/1) ... [2018-11-28 18:00:46,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:00:46,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:00:46,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:00:46,292 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:00:46,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:46" (1/1) ... [2018-11-28 18:00:46,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:46" (1/1) ... [2018-11-28 18:00:46,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:46" (1/1) ... [2018-11-28 18:00:46,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:46" (1/1) ... [2018-11-28 18:00:46,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:46" (1/1) ... [2018-11-28 18:00:46,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:46" (1/1) ... [2018-11-28 18:00:46,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:46" (1/1) ... [2018-11-28 18:00:46,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:00:46,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:00:46,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:00:46,334 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:00:46,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:00:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:00:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:00:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-28 18:00:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 18:00:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-28 18:00:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-28 18:00:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:00:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:00:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-28 18:00:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:00:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:00:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:00:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 18:00:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 18:00:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-28 18:00:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-28 18:00:47,068 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:00:47,068 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 18:00:47,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:00:47 BoogieIcfgContainer [2018-11-28 18:00:47,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:00:47,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:00:47,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:00:47,074 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:00:47,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:00:45" (1/3) ... [2018-11-28 18:00:47,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50661280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:00:47, skipping insertion in model container [2018-11-28 18:00:47,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:46" (2/3) ... [2018-11-28 18:00:47,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50661280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:00:47, skipping insertion in model container [2018-11-28 18:00:47,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:00:47" (3/3) ... [2018-11-28 18:00:47,079 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730a_true-unreach-call.c [2018-11-28 18:00:47,088 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:00:47,096 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:00:47,112 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:00:47,146 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:00:47,147 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:00:47,147 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:00:47,147 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:00:47,147 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:00:47,148 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:00:47,148 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:00:47,148 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:00:47,148 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:00:47,169 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-11-28 18:00:47,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 18:00:47,176 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:00:47,177 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:00:47,180 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:00:47,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:00:47,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1070728601, now seen corresponding path program 1 times [2018-11-28 18:00:47,187 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:00:47,187 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:00:47,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:00:47,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:00:47,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:00:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:00:47,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:00:47,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:00:47,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:00:47,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:00:47,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:00:47,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:00:47,360 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2018-11-28 18:00:47,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:00:47,386 INFO L93 Difference]: Finished difference Result 90 states and 129 transitions. [2018-11-28 18:00:47,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:00:47,387 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-28 18:00:47,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:00:47,397 INFO L225 Difference]: With dead ends: 90 [2018-11-28 18:00:47,397 INFO L226 Difference]: Without dead ends: 45 [2018-11-28 18:00:47,401 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:00:47,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-28 18:00:47,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-11-28 18:00:47,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-28 18:00:47,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2018-11-28 18:00:47,450 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 23 [2018-11-28 18:00:47,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:00:47,451 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2018-11-28 18:00:47,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:00:47,451 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2018-11-28 18:00:47,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 18:00:47,452 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:00:47,452 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:00:47,453 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:00:47,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:00:47,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1748176565, now seen corresponding path program 1 times [2018-11-28 18:00:47,453 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:00:47,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:00:47,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:00:47,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:00:47,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:00:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:00:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:00:47,653 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 18:00:47,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:00:47 BoogieIcfgContainer [2018-11-28 18:00:47,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:00:47,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:00:47,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:00:47,706 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:00:47,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:00:47" (3/4) ... [2018-11-28 18:00:47,713 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 18:00:47,713 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:00:47,714 INFO L168 Benchmark]: Toolchain (without parser) took 1884.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -95.8 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:00:47,716 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. [2018-11-28 18:00:47,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.39 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:00:47,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.68 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:00:47,719 INFO L168 Benchmark]: Boogie Preprocessor took 41.99 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:00:47,720 INFO L168 Benchmark]: RCFGBuilder took 735.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:00:47,721 INFO L168 Benchmark]: TraceAbstraction took 635.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:00:47,722 INFO L168 Benchmark]: Witness Printer took 7.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:00:47,730 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 433.39 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.68 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.99 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 735.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 635.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Witness Printer took 7.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 107]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 27, overapproximation of bitwiseAnd at line 89. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=10737418246, \old(tiny_sqrt)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L101] float x = 1.0f / 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L103] CALL, EXPR __ieee754_sqrtf(x) VAL [\old(x)=10737418244, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L15] float z; [L16] __uint32_t r, hx; [L17] __int32_t ix, s, q, m, t, i; VAL [\old(x)=10737418244, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244] [L20] ieee_float_shape_type gf_u; [L21] gf_u.value = (x) [L22] EXPR gf_u.word [L22] (ix) = gf_u.word [L24] hx = ix & 0x7fffffff VAL [\old(x)=10737418244, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244] [L26] COND TRUE !((hx) < 0x7f800000L) [L27] return x * x + x; VAL [\old(x)=10737418244, hx=2139095040, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244] [L103] RET, EXPR __ieee754_sqrtf(x) VAL [__ieee754_sqrtf(x)=10737418241, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244] [L103] float res = __ieee754_sqrtf(x); [L106] CALL, EXPR isinf_float(res) VAL [\old(x)=10737418241, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L83] __int32_t ix; VAL [\old(x)=10737418241, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418241] [L85] ieee_float_shape_type gf_u; [L86] gf_u.value = (x) [L87] EXPR gf_u.word [L87] (ix) = gf_u.word [L89] ix &= 0x7fffffff [L90] return ((ix) == 0x7f800000L); VAL [\old(x)=10737418241, \result=0, ix=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418241] [L106] RET, EXPR isinf_float(res) VAL [isinf_float(res)=0, one_sqrt=1, res=10737418241, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244] [L106] COND TRUE !isinf_float(res) [L107] __VERIFIER_error() VAL [one_sqrt=1, res=10737418241, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 49 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 59 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=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-91b1670 [2018-11-28 18:00:50,150 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:00:50,151 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:00:50,168 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:00:50,168 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:00:50,170 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:00:50,172 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:00:50,174 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:00:50,176 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:00:50,176 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:00:50,178 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:00:50,178 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:00:50,179 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:00:50,180 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:00:50,182 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:00:50,182 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:00:50,184 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:00:50,186 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:00:50,188 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:00:50,190 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:00:50,191 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:00:50,192 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:00:50,195 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:00:50,196 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:00:50,196 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:00:50,197 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:00:50,198 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:00:50,199 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:00:50,200 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:00:50,205 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:00:50,205 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:00:50,206 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:00:50,206 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:00:50,206 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:00:50,208 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:00:50,209 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:00:50,209 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 18:00:50,232 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:00:50,232 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:00:50,234 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:00:50,234 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:00:50,235 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:00:50,236 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:00:50,237 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:00:50,237 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:00:50,237 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:00:50,237 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:00:50,237 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:00:50,237 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:00:50,240 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:00:50,240 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:00:50,240 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 18:00:50,240 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 18:00:50,240 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:00:50,241 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:00:50,241 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:00:50,241 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:00:50,241 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:00:50,241 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:00:50,242 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:00:50,242 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:00:50,242 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:00:50,242 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:00:50,242 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:00:50,242 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:00:50,246 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 18:00:50,247 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:00:50,247 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 18:00:50,247 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 18:00:50,247 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 -> 22720996e63b36cb2ef4e4d04061274514aafdad [2018-11-28 18:00:50,308 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:00:50,321 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:00:50,325 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:00:50,327 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:00:50,327 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:00:50,328 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0730a_true-unreach-call.c [2018-11-28 18:00:50,389 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2962696ed/61f92b0db99d4448bfc8a8ccb9d848f7/FLAG5fc8091f6 [2018-11-28 18:00:50,862 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:00:50,863 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0730a_true-unreach-call.c [2018-11-28 18:00:50,870 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2962696ed/61f92b0db99d4448bfc8a8ccb9d848f7/FLAG5fc8091f6 [2018-11-28 18:00:51,209 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2962696ed/61f92b0db99d4448bfc8a8ccb9d848f7 [2018-11-28 18:00:51,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:00:51,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:00:51,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:00:51,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:00:51,224 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:00:51,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:00:51" (1/1) ... [2018-11-28 18:00:51,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d66a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:51, skipping insertion in model container [2018-11-28 18:00:51,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:00:51" (1/1) ... [2018-11-28 18:00:51,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:00:51,264 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:00:51,508 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:00:51,515 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:00:51,576 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:00:51,623 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:00:51,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:51 WrapperNode [2018-11-28 18:00:51,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:00:51,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:00:51,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:00:51,625 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:00:51,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:51" (1/1) ... [2018-11-28 18:00:51,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:51" (1/1) ... [2018-11-28 18:00:51,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:00:51,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:00:51,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:00:51,661 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:00:51,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:51" (1/1) ... [2018-11-28 18:00:51,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:51" (1/1) ... [2018-11-28 18:00:51,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:51" (1/1) ... [2018-11-28 18:00:51,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:51" (1/1) ... [2018-11-28 18:00:51,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:51" (1/1) ... [2018-11-28 18:00:51,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:51" (1/1) ... [2018-11-28 18:00:51,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:51" (1/1) ... [2018-11-28 18:00:51,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:00:51,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:00:51,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:00:51,777 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:00:51,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:00:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:00:51,845 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:00:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-28 18:00:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-28 18:00:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-28 18:00:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:00:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:00:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:00:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 18:00:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:00:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:00:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-28 18:00:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 18:00:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 18:00:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-28 18:00:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-28 18:00:52,029 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 18:00:52,430 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 18:00:53,103 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:00:53,103 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 18:00:53,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:00:53 BoogieIcfgContainer [2018-11-28 18:00:53,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:00:53,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:00:53,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:00:53,109 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:00:53,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:00:51" (1/3) ... [2018-11-28 18:00:53,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464a82a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:00:53, skipping insertion in model container [2018-11-28 18:00:53,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:00:51" (2/3) ... [2018-11-28 18:00:53,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464a82a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:00:53, skipping insertion in model container [2018-11-28 18:00:53,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:00:53" (3/3) ... [2018-11-28 18:00:53,113 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730a_true-unreach-call.c [2018-11-28 18:00:53,124 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:00:53,133 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:00:53,152 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:00:53,185 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:00:53,185 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:00:53,186 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:00:53,186 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:00:53,186 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:00:53,186 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:00:53,186 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:00:53,186 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:00:53,187 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:00:53,204 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-11-28 18:00:53,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 18:00:53,211 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:00:53,212 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:00:53,214 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:00:53,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:00:53,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1828913141, now seen corresponding path program 1 times [2018-11-28 18:00:53,225 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 18:00:53,226 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-28 18:00:53,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:00:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:00:53,373 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:00:53,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:00:53,393 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 18:00:53,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:00:53,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:00:53,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:00:53,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:00:53,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:00:53,435 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2018-11-28 18:00:53,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:00:53,469 INFO L93 Difference]: Finished difference Result 88 states and 127 transitions. [2018-11-28 18:00:53,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:00:53,471 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-28 18:00:53,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:00:53,483 INFO L225 Difference]: With dead ends: 88 [2018-11-28 18:00:53,484 INFO L226 Difference]: Without dead ends: 44 [2018-11-28 18:00:53,488 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:00:53,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-28 18:00:53,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-28 18:00:53,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-28 18:00:53,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions. [2018-11-28 18:00:53,534 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 54 transitions. Word has length 22 [2018-11-28 18:00:53,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:00:53,534 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 54 transitions. [2018-11-28 18:00:53,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:00:53,535 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2018-11-28 18:00:53,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 18:00:53,536 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:00:53,536 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:00:53,537 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:00:53,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:00:53,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1328000814, now seen corresponding path program 1 times [2018-11-28 18:00:53,538 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 18:00:53,538 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) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-28 18:00:53,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:00:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:00:53,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:00:55,554 WARN L180 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-11-28 18:00:57,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:00:57,361 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 18:00:57,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:00:57,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-28 18:00:57,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 18:00:57,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 18:00:57,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:00:57,377 INFO L87 Difference]: Start difference. First operand 44 states and 54 transitions. Second operand 11 states. [2018-11-28 18:01:04,714 WARN L180 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 9 [2018-11-28 18:01:10,829 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-28 18:01:11,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:01:11,070 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2018-11-28 18:01:11,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 18:01:11,085 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 24 [2018-11-28 18:01:11,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:01:11,087 INFO L225 Difference]: With dead ends: 51 [2018-11-28 18:01:11,088 INFO L226 Difference]: Without dead ends: 44 [2018-11-28 18:01:11,089 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-11-28 18:01:11,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-28 18:01:11,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-28 18:01:11,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-28 18:01:11,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2018-11-28 18:01:11,101 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 24 [2018-11-28 18:01:11,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:01:11,101 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2018-11-28 18:01:11,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 18:01:11,102 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2018-11-28 18:01:11,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 18:01:11,104 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:01:11,104 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:01:11,104 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:01:11,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:01:11,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1026884838, now seen corresponding path program 1 times [2018-11-28 18:01:11,106 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 18:01:11,107 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) [2018-11-28 18:01:11,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-28 18:01:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:01:11,174 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:01:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:01:11,459 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 18:01:11,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:01:11,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:01:11,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:01:11,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:01:11,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:01:11,474 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand 7 states. [2018-11-28 18:01:12,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:01:12,339 INFO L93 Difference]: Finished difference Result 49 states and 59 transitions. [2018-11-28 18:01:12,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:01:12,341 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-11-28 18:01:12,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:01:12,342 INFO L225 Difference]: With dead ends: 49 [2018-11-28 18:01:12,342 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:01:12,343 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:01:12,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:01:12,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:01:12,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:01:12,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:01:12,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-11-28 18:01:12,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:01:12,344 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:01:12,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:01:12,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:01:12,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:01:12,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:01:12,658 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-11-28 18:01:12,658 INFO L444 ceAbstractionStarter]: At program point L84-2(lines 84 88) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-11-28 18:01:12,658 INFO L448 ceAbstractionStarter]: For program point L84-3(lines 84 88) no Hoare annotation was computed. [2018-11-28 18:01:12,659 INFO L451 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 82 91) the Hoare annotation is: true [2018-11-28 18:01:12,659 INFO L448 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 82 91) no Hoare annotation was computed. [2018-11-28 18:01:12,659 INFO L448 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 82 91) no Hoare annotation was computed. [2018-11-28 18:01:12,659 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:01:12,659 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:01:12,659 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:01:12,659 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:01:12,659 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 18:01:12,660 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:01:12,660 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:01:12,660 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 93 112) the Hoare annotation is: true [2018-11-28 18:01:12,660 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 93 112) no Hoare annotation was computed. [2018-11-28 18:01:12,660 INFO L448 ceAbstractionStarter]: For program point L107(line 107) no Hoare annotation was computed. [2018-11-28 18:01:12,660 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (and (= main_~res~0 (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) (= main_~x~0 .cse0))) [2018-11-28 18:01:12,661 INFO L448 ceAbstractionStarter]: For program point L106-1(lines 106 109) no Hoare annotation was computed. [2018-11-28 18:01:12,661 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 107) no Hoare annotation was computed. [2018-11-28 18:01:12,661 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 93 112) no Hoare annotation was computed. [2018-11-28 18:01:12,661 INFO L444 ceAbstractionStarter]: At program point L103(line 103) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2018-11-28 18:01:12,661 INFO L448 ceAbstractionStarter]: For program point L103-1(line 103) no Hoare annotation was computed. [2018-11-28 18:01:12,661 INFO L448 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-11-28 18:01:12,662 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-11-28 18:01:12,662 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-11-28 18:01:12,662 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-11-28 18:01:12,662 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-11-28 18:01:12,662 INFO L444 ceAbstractionStarter]: At program point L19-2(lines 19 23) the Hoare annotation is: (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) [2018-11-28 18:01:12,662 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2018-11-28 18:01:12,662 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-11-28 18:01:12,663 INFO L444 ceAbstractionStarter]: At program point L73-2(lines 73 77) the Hoare annotation is: (and (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (bvult (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|)))) [2018-11-28 18:01:12,663 INFO L448 ceAbstractionStarter]: For program point L73-3(lines 73 77) no Hoare annotation was computed. [2018-11-28 18:01:12,663 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 36 37) no Hoare annotation was computed. [2018-11-28 18:01:12,663 INFO L444 ceAbstractionStarter]: At program point L36-3(lines 36 37) the Hoare annotation is: (and (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (bvult (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|)))) [2018-11-28 18:01:12,663 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-11-28 18:01:12,664 INFO L448 ceAbstractionStarter]: For program point L36-4(lines 36 37) no Hoare annotation was computed. [2018-11-28 18:01:12,664 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-11-28 18:01:12,664 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-11-28 18:01:12,664 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-11-28 18:01:12,664 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-11-28 18:01:12,664 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-11-28 18:01:12,664 INFO L444 ceAbstractionStarter]: At program point L50-2(lines 50 59) the Hoare annotation is: (and (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (bvult (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|)))) [2018-11-28 18:01:12,665 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 14 79) no Hoare annotation was computed. [2018-11-28 18:01:12,665 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-11-28 18:01:12,665 INFO L448 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-11-28 18:01:12,665 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-11-28 18:01:12,665 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-11-28 18:01:12,665 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-11-28 18:01:12,672 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,674 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,676 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,676 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,685 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,685 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,685 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,686 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,686 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,686 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,686 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,686 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,689 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,689 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,690 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,690 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,690 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,690 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,691 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,691 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,691 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,693 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,693 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,694 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,694 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,694 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,694 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,696 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,697 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,697 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,697 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,698 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,698 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,698 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,698 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,699 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,699 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,699 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,700 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,700 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,700 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,700 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,701 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,701 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:01:12 BoogieIcfgContainer [2018-11-28 18:01:12,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:01:12,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:01:12,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:01:12,707 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:01:12,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:00:53" (3/4) ... [2018-11-28 18:01:12,715 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:01:12,723 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-28 18:01:12,723 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:01:12,723 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:01:12,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-28 18:01:12,729 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2018-11-28 18:01:12,730 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-28 18:01:12,730 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:01:12,758 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-28 18:01:12,758 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-28 18:01:12,759 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-11-28 18:01:12,759 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-11-28 18:01:12,760 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-11-28 18:01:12,798 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:01:12,798 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:01:12,799 INFO L168 Benchmark]: Toolchain (without parser) took 21583.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 947.3 MB in the beginning and 960.6 MB in the end (delta: -13.3 MB). Peak memory consumption was 119.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:01:12,801 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:01:12,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.04 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 931.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:01:12,802 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.33 ms. Allocated memory is still 1.0 GB. Free memory is still 931.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:01:12,802 INFO L168 Benchmark]: Boogie Preprocessor took 116.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -190.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:01:12,803 INFO L168 Benchmark]: RCFGBuilder took 1327.13 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: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:01:12,804 INFO L168 Benchmark]: TraceAbstraction took 19600.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.3 MB in the end (delta: 128.2 MB). Peak memory consumption was 128.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:01:12,804 INFO L168 Benchmark]: Witness Printer took 92.12 ms. Allocated memory is still 1.2 GB. Free memory was 967.3 MB in the beginning and 960.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:01:12,808 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 405.04 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 931.2 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 35.33 ms. Allocated memory is still 1.0 GB. Free memory is still 931.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 116.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -190.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1327.13 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: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19600.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.3 MB in the end (delta: 128.2 MB). Peak memory consumption was 128.2 MB. Max. memory is 11.5 GB. * Witness Printer took 92.12 ms. Allocated memory is still 1.2 GB. Free memory was 967.3 MB in the beginning and 960.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 107]: 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: 50]: Loop Invariant [2018-11-28 18:01:12,821 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,821 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,821 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,822 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,822 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,822 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,822 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,822 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,823 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,823 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,823 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,824 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,824 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,824 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,824 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,824 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - InvariantResult [Line: 73]: Loop Invariant [2018-11-28 18:01:12,825 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,825 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,825 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,826 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,826 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,826 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,826 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,826 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,827 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,827 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,827 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,828 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,828 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,828 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,828 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,828 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 36]: Loop Invariant [2018-11-28 18:01:12,829 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,829 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,830 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,830 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,830 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,830 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,830 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,831 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,831 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,831 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,831 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,832 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,832 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,832 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,832 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-28 18:01:12,832 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 48 locations, 1 error locations. SAFE Result, 19.4s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 14.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 133 SDtfs, 151 SDslu, 422 SDs, 0 SdLazy, 141 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 17 PreInvPairs, 24 NumberOfFragments, 161 HoareAnnotationTreeSize, 17 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 68 ConstructedInterpolants, 6 QuantifiedInterpolants, 7887 SizeOfPredicates, 9 NumberOfNonLiveVariables, 211 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...