/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0910b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 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 ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0910b_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 9715021f39c8c40f74d5b2a16209aa11aedb826e ................................................................................................................................................................................................................................................................................................................... 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 ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0910b_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 9715021f39c8c40f74d5b2a16209aa11aedb826e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 15:26:57,002 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:26:57,004 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:26:57,016 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:26:57,017 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:26:57,018 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:26:57,019 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:26:57,021 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:26:57,023 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:26:57,024 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:26:57,024 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:26:57,025 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:26:57,026 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:26:57,027 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:26:57,028 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:26:57,029 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:26:57,029 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:26:57,031 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:26:57,034 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:26:57,035 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:26:57,037 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:26:57,042 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:26:57,047 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:26:57,047 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:26:57,047 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:26:57,053 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:26:57,055 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:26:57,055 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:26:57,056 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:26:57,057 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:26:57,058 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:26:57,059 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:26:57,059 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:26:57,059 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:26:57,060 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:26:57,061 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:26:57,061 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:26:57,076 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:26:57,076 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:26:57,077 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:26:57,077 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:26:57,078 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:26:57,078 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:26:57,078 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:26:57,079 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:26:57,079 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:26:57,079 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:26:57,079 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:26:57,079 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:26:57,080 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:26:57,080 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:26:57,080 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:26:57,080 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:26:57,080 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:26:57,080 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:26:57,081 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:26:57,081 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:26:57,081 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:26:57,081 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:26:57,081 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:26:57,082 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:26:57,082 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:26:57,082 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:26:57,082 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:26:57,082 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:26:57,083 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:26:57,083 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 -> 9715021f39c8c40f74d5b2a16209aa11aedb826e [2018-09-20 15:26:57,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:26:57,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:26:57,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:26:57,168 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:26:57,168 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:26:57,169 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0910b_true-unreach-call.c [2018-09-20 15:26:57,524 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b22cefa59/38bf07f93d344108836afe32f437c0a0/FLAG7dd1678ad [2018-09-20 15:26:57,726 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:26:57,727 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0910b_true-unreach-call.c [2018-09-20 15:26:57,742 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b22cefa59/38bf07f93d344108836afe32f437c0a0/FLAG7dd1678ad [2018-09-20 15:26:57,758 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b22cefa59/38bf07f93d344108836afe32f437c0a0 [2018-09-20 15:26:57,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:26:57,766 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:26:57,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:26:57,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:26:57,774 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:26:57,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:26:57" (1/1) ... [2018-09-20 15:26:57,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be2242d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:57, skipping insertion in model container [2018-09-20 15:26:57,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:26:57" (1/1) ... [2018-09-20 15:26:57,793 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:26:58,109 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:26:58,131 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:26:58,170 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:26:58,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:58 WrapperNode [2018-09-20 15:26:58,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:26:58,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:26:58,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:26:58,204 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:26:58,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:58" (1/1) ... [2018-09-20 15:26:58,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:58" (1/1) ... [2018-09-20 15:26:58,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:58" (1/1) ... [2018-09-20 15:26:58,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:58" (1/1) ... [2018-09-20 15:26:58,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:58" (1/1) ... [2018-09-20 15:26:58,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:58" (1/1) ... [2018-09-20 15:26:58,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:58" (1/1) ... [2018-09-20 15:26:58,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:26:58,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:26:58,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:26:58,292 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:26:58,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:58" (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 [2018-09-20 15:26:58,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:26:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:26:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-09-20 15:26:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-09-20 15:26:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:26:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:26:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:26:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-09-20 15:26:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:26:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:26:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:26:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:26:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-09-20 15:26:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:26:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:26:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:26:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:26:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:26:58,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:26:58,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:26:59,095 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:26:59,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:26:59 BoogieIcfgContainer [2018-09-20 15:26:59,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:26:59,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:26:59,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:26:59,102 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:26:59,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:26:57" (1/3) ... [2018-09-20 15:26:59,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618721ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:26:59, skipping insertion in model container [2018-09-20 15:26:59,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:58" (2/3) ... [2018-09-20 15:26:59,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618721ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:26:59, skipping insertion in model container [2018-09-20 15:26:59,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:26:59" (3/3) ... [2018-09-20 15:26:59,107 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910b_true-unreach-call.c [2018-09-20 15:26:59,118 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:26:59,128 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:26:59,176 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:26:59,177 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:26:59,177 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:26:59,177 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:26:59,177 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:26:59,177 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:26:59,178 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:26:59,178 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:26:59,178 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:26:59,199 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-09-20 15:26:59,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-20 15:26:59,207 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:26:59,208 INFO L376 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] [2018-09-20 15:26:59,211 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:26:59,216 INFO L82 PathProgramCache]: Analyzing trace with hash 246875342, now seen corresponding path program 1 times [2018-09-20 15:26:59,219 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:26:59,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:26:59,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:26:59,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:26:59,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:26:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:26:59,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:26:59,398 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:26:59,398 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:26:59,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:26:59,414 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:26:59,415 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:26:59,417 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2018-09-20 15:26:59,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:26:59,449 INFO L93 Difference]: Finished difference Result 148 states and 187 transitions. [2018-09-20 15:26:59,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:26:59,451 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-09-20 15:26:59,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:26:59,462 INFO L225 Difference]: With dead ends: 148 [2018-09-20 15:26:59,462 INFO L226 Difference]: Without dead ends: 74 [2018-09-20 15:26:59,466 INFO L606 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 [2018-09-20 15:26:59,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-09-20 15:26:59,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-09-20 15:26:59,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-09-20 15:26:59,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 84 transitions. [2018-09-20 15:26:59,511 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 84 transitions. Word has length 23 [2018-09-20 15:26:59,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:26:59,511 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 84 transitions. [2018-09-20 15:26:59,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:26:59,512 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2018-09-20 15:26:59,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-20 15:26:59,514 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:26:59,514 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:26:59,514 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:26:59,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1270612634, now seen corresponding path program 1 times [2018-09-20 15:26:59,515 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:26:59,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:26:59,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:26:59,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:26:59,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:26:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:26:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:26:59,708 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:26:59,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:26:59 BoogieIcfgContainer [2018-09-20 15:26:59,773 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:26:59,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:26:59,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:26:59,774 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:26:59,774 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:26:59" (3/4) ... [2018-09-20 15:26:59,779 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:26:59,779 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:26:59,780 INFO L168 Benchmark]: Toolchain (without parser) took 2017.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -131.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:26:59,782 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:26:59,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.72 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:26:59,784 INFO L168 Benchmark]: Boogie Preprocessor took 88.51 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:26:59,785 INFO L168 Benchmark]: RCFGBuilder took 804.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2018-09-20 15:26:59,786 INFO L168 Benchmark]: TraceAbstraction took 675.25 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:26:59,787 INFO L168 Benchmark]: Witness Printer took 6.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:26:59,792 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 435.72 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.51 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 804.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 675.25 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 6.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 121]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryFLOAToperation at line 116, overapproximation of someBinaryArithmeticFLOAToperation at line 44, overapproximation of bitwiseAnd at line 20. Possible FailurePath: [L24-L28] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L30] static const float zero_log = 0.0; VAL [\old(Lg1_log)=10737418258, \old(Lg2_log)=10737418259, \old(Lg3_log)=10737418241, \old(Lg4_log)=10737418244, \old(Lg5_log)=10737418246, \old(Lg6_log)=10737418257, \old(Lg7_log)=10737418256, \old(ln2_hi_log)=10737418243, \old(ln2_lo_log)=10737418249, \old(two25_log)=10737418254, \old(zero_log)=10737418251, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L116] float x = -0.0f; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L117] CALL, EXPR __ieee754_logf(x) VAL [\old(x)=10737418248, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L33] float hfsq, f, s, z, R, w, t1, t2, dk; [L34] __int32_t k, ix, i, j; VAL [\old(x)=10737418248, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418248, zero_log=0] [L37] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418248, gf_u={10737418252:0}, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418248, zero_log=0] [L38] FCALL gf_u.value = (x) VAL [\old(x)=10737418248, gf_u={10737418252:0}, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418248, zero_log=0] [L39] EXPR, FCALL gf_u.word VAL [\old(x)=10737418248, gf_u={10737418252:0}, gf_u.word=6442450944, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418248, zero_log=0] [L39] (ix) = gf_u.word VAL [\old(x)=10737418248, gf_u={10737418252:0}, gf_u.word=6442450944, ix=-2147483648, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418248, zero_log=0] [L39] FCALL (ix) = gf_u.word VAL [(ix) = gf_u.word=10737418253, \old(x)=10737418248, gf_u={10737418252:0}, gf_u.word=6442450944, ix=-2147483648, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418248, zero_log=0] [L40] COND FALSE !(0) VAL [\old(x)=10737418248, ix=-2147483648, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418248, zero_log=0] [L42] k = 0 VAL [\old(x)=10737418248, ix=-2147483648, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418248, zero_log=0] [L43] COND TRUE ((ix & 0x7fffffff) == 0) [L44] RET return -two25_log / zero_log; VAL [\old(x)=10737418248, ix=-2147483648, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418248, zero_log=0] [L117] EXPR __ieee754_logf(x) VAL [__ieee754_logf(x)=10737418245, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418248, zero_log=0] [L117] float res = __ieee754_logf(x); [L120] CALL, EXPR isinf_float(res) VAL [\old(x)=10737418245, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L14] __int32_t ix; VAL [\old(x)=10737418245, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L16] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418245, gf_u={10737418255:0}, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L17] FCALL gf_u.value = (x) VAL [\old(x)=10737418245, gf_u={10737418255:0}, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L18] EXPR, FCALL gf_u.word VAL [\old(x)=10737418245, gf_u={10737418255:0}, gf_u.word=10737418240, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L18] (ix) = gf_u.word VAL [\old(x)=10737418245, gf_u={10737418255:0}, gf_u.word=10737418240, ix=-2147483648, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L18] FCALL (ix) = gf_u.word VAL [(ix) = gf_u.word=10737418247, \old(x)=10737418245, gf_u={10737418255:0}, gf_u.word=10737418240, ix=-2147483648, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L19] COND FALSE !(0) VAL [\old(x)=10737418245, ix=-2147483648, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L20] ix &= 0x7fffffff [L21] RET return ((ix) == 0x7f800000L); VAL [\old(x)=10737418245, \result=0, ix=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L120] EXPR isinf_float(res) VAL [isinf_float(res)=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=10737418245, two25_log=33554432, x=10737418248, zero_log=0] [L120] COND TRUE !isinf_float(res) [L121] __VERIFIER_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=10737418245, two25_log=33554432, x=10737418248, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 78 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 88 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=78occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 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 0.1.23-40ef509 [2018-09-20 15:27:02,163 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:27:02,165 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:27:02,178 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:27:02,179 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:27:02,180 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:27:02,182 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:27:02,185 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:27:02,187 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:27:02,188 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:27:02,189 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:27:02,190 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:27:02,191 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:27:02,192 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:27:02,194 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:27:02,195 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:27:02,196 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:27:02,198 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:27:02,200 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:27:02,202 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:27:02,203 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:27:02,205 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:27:02,207 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:27:02,208 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:27:02,208 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:27:02,209 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:27:02,211 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:27:02,212 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:27:02,212 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:27:02,214 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:27:02,214 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:27:02,215 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:27:02,215 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:27:02,215 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:27:02,216 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:27:02,217 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:27:02,217 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:27:02,237 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:27:02,238 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:27:02,239 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:27:02,239 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:27:02,239 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:27:02,240 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:27:02,240 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:27:02,240 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:27:02,240 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:27:02,240 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:27:02,243 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:27:02,243 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:27:02,243 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:27:02,243 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:27:02,243 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:27:02,243 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:27:02,244 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:27:02,244 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:27:02,244 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:27:02,244 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:27:02,244 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:27:02,244 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:27:02,245 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:27:02,245 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:27:02,245 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:27:02,245 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:27:02,248 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:27:02,249 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:27:02,249 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:27:02,249 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:27:02,249 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:27:02,249 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 -> 9715021f39c8c40f74d5b2a16209aa11aedb826e [2018-09-20 15:27:02,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:27:02,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:27:02,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:27:02,360 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:27:02,360 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:27:02,361 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0910b_true-unreach-call.c [2018-09-20 15:27:02,742 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f542e55e/1c3c7f1de63b4f5894e9092616819c87/FLAG0557c462a [2018-09-20 15:27:02,943 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:27:02,944 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0910b_true-unreach-call.c [2018-09-20 15:27:02,953 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f542e55e/1c3c7f1de63b4f5894e9092616819c87/FLAG0557c462a [2018-09-20 15:27:02,969 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f542e55e/1c3c7f1de63b4f5894e9092616819c87 [2018-09-20 15:27:02,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:27:02,977 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:27:02,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:27:02,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:27:02,986 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:27:02,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:27:02" (1/1) ... [2018-09-20 15:27:02,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f92a36a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:02, skipping insertion in model container [2018-09-20 15:27:02,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:27:02" (1/1) ... [2018-09-20 15:27:03,004 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:27:03,262 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:27:03,283 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:27:03,320 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:27:03,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:03 WrapperNode [2018-09-20 15:27:03,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:27:03,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:27:03,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:27:03,362 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:27:03,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:03" (1/1) ... [2018-09-20 15:27:03,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:03" (1/1) ... [2018-09-20 15:27:03,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:03" (1/1) ... [2018-09-20 15:27:03,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:03" (1/1) ... [2018-09-20 15:27:03,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:03" (1/1) ... [2018-09-20 15:27:03,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:03" (1/1) ... [2018-09-20 15:27:03,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:03" (1/1) ... [2018-09-20 15:27:03,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:27:03,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:27:03,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:27:03,443 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:27:03,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:03" (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 [2018-09-20 15:27:03,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:27:03,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:27:03,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-09-20 15:27:03,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-09-20 15:27:03,593 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:27:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:27:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:27:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-09-20 15:27:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:27:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:27:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:27:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:27:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-09-20 15:27:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:27:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:27:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:27:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:27:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:27:03,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:27:03,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:27:03,953 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:27:03,971 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:27:14,892 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:27:14,900 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:27:15,852 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:27:15,865 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:27:16,075 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:27:16,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:27:16 BoogieIcfgContainer [2018-09-20 15:27:16,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:27:16,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:27:16,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:27:16,081 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:27:16,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:27:02" (1/3) ... [2018-09-20 15:27:16,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fba3789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:27:16, skipping insertion in model container [2018-09-20 15:27:16,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:03" (2/3) ... [2018-09-20 15:27:16,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fba3789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:27:16, skipping insertion in model container [2018-09-20 15:27:16,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:27:16" (3/3) ... [2018-09-20 15:27:16,086 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910b_true-unreach-call.c [2018-09-20 15:27:16,096 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:27:16,106 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:27:16,157 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:27:16,158 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:27:16,160 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:27:16,160 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:27:16,160 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:27:16,160 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:27:16,160 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:27:16,160 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:27:16,161 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:27:16,182 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2018-09-20 15:27:16,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-20 15:27:16,190 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:27:16,192 INFO L376 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] [2018-09-20 15:27:16,196 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:27:16,201 INFO L82 PathProgramCache]: Analyzing trace with hash 459067002, now seen corresponding path program 1 times [2018-09-20 15:27:16,207 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:27:16,207 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 [2018-09-20 15:27:16,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:27:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:27:16,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:27:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:27:16,528 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:27:16,554 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:27:16,555 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:27:16,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:27:16,576 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:27:16,578 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:27:16,581 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2018-09-20 15:27:16,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:27:16,612 INFO L93 Difference]: Finished difference Result 146 states and 185 transitions. [2018-09-20 15:27:16,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:27:16,614 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-20 15:27:16,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:27:16,625 INFO L225 Difference]: With dead ends: 146 [2018-09-20 15:27:16,625 INFO L226 Difference]: Without dead ends: 73 [2018-09-20 15:27:16,630 INFO L606 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 [2018-09-20 15:27:16,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-09-20 15:27:16,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-09-20 15:27:16,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-09-20 15:27:16,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 83 transitions. [2018-09-20 15:27:16,675 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 83 transitions. Word has length 22 [2018-09-20 15:27:16,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:27:16,676 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 83 transitions. [2018-09-20 15:27:16,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:27:16,676 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2018-09-20 15:27:16,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-20 15:27:16,680 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:27:16,680 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:27:16,681 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:27:16,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1201574240, now seen corresponding path program 1 times [2018-09-20 15:27:16,683 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:27:16,683 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 [2018-09-20 15:27:16,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:27:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:27:17,068 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:27:17,881 WARN L178 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-20 15:27:18,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:27:18,046 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:27:18,049 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:27:18,084 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:27:18,138 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:27:18,138 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:27:18,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:27:18,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:27:18,200 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:27:18,203 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:27:18,206 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:27:18,207 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:27:18,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:27:18,532 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:27:18,549 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:27:18,549 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-20 15:27:18,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-20 15:27:18,552 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-20 15:27:18,552 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-09-20 15:27:18,553 INFO L87 Difference]: Start difference. First operand 73 states and 83 transitions. Second operand 12 states. [2018-09-20 15:27:20,507 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-20 15:27:35,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:27:35,170 INFO L93 Difference]: Finished difference Result 80 states and 90 transitions. [2018-09-20 15:27:35,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-20 15:27:35,172 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-09-20 15:27:35,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:27:35,175 INFO L225 Difference]: With dead ends: 80 [2018-09-20 15:27:35,175 INFO L226 Difference]: Without dead ends: 73 [2018-09-20 15:27:35,178 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2018-09-20 15:27:35,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-09-20 15:27:35,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-09-20 15:27:35,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-09-20 15:27:35,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 82 transitions. [2018-09-20 15:27:35,194 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 82 transitions. Word has length 40 [2018-09-20 15:27:35,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:27:35,195 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 82 transitions. [2018-09-20 15:27:35,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-20 15:27:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2018-09-20 15:27:35,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-20 15:27:35,198 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:27:35,198 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:27:35,198 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:27:35,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1906222067, now seen corresponding path program 1 times [2018-09-20 15:27:35,200 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:27:35,200 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 15:27:35,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:27:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:27:35,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:27:35,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:27:35,563 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:27:35,564 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:27:35,571 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:27:35,633 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:27:35,633 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:27:35,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:27:35,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:27:35,685 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:27:35,697 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:27:35,700 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:27:35,700 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:27:35,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:27:35,798 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:27:35,813 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:27:35,814 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 15:27:35,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 15:27:35,814 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 15:27:35,815 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 15:27:35,815 INFO L87 Difference]: Start difference. First operand 73 states and 82 transitions. Second operand 8 states. [2018-09-20 15:27:40,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:27:40,057 INFO L93 Difference]: Finished difference Result 81 states and 90 transitions. [2018-09-20 15:27:40,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 15:27:40,058 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2018-09-20 15:27:40,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:27:40,059 INFO L225 Difference]: With dead ends: 81 [2018-09-20 15:27:40,059 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:27:40,060 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:27:40,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:27:40,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:27:40,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:27:40,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:27:40,061 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2018-09-20 15:27:40,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:27:40,061 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:27:40,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 15:27:40,061 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:27:40,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:27:40,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:27:40,328 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2018-09-20 15:27:40,680 INFO L426 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-09-20 15:27:40,680 INFO L426 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-09-20 15:27:40,680 INFO L426 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-09-20 15:27:40,680 INFO L426 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-09-20 15:27:40,681 INFO L426 ceAbstractionStarter]: For program point L18-2(line 18) no Hoare annotation was computed. [2018-09-20 15:27:40,681 INFO L429 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 13 22) the Hoare annotation is: true [2018-09-20 15:27:40,681 INFO L426 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2018-09-20 15:27:40,682 INFO L426 ceAbstractionStarter]: For program point L16-2(line 16) no Hoare annotation was computed. [2018-09-20 15:27:40,682 INFO L426 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-09-20 15:27:40,682 INFO L426 ceAbstractionStarter]: For program point L16-3(line 16) no Hoare annotation was computed. [2018-09-20 15:27:40,682 INFO L422 ceAbstractionStarter]: At program point L15-3(lines 15 19) the Hoare annotation is: (or (= |isinf_float_#in~x| isinf_float_~x) (not (= ~two25_log~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 33554432.0)))) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0))) [2018-09-20 15:27:40,683 INFO L426 ceAbstractionStarter]: For program point L15-4(lines 15 19) no Hoare annotation was computed. [2018-09-20 15:27:40,683 INFO L426 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 13 22) no Hoare annotation was computed. [2018-09-20 15:27:40,683 INFO L426 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 13 22) no Hoare annotation was computed. [2018-09-20 15:27:40,683 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:27:40,683 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:27:40,683 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:27:40,683 INFO L426 ceAbstractionStarter]: For program point L52-1(lines 52 56) no Hoare annotation was computed. [2018-09-20 15:27:40,684 INFO L422 ceAbstractionStarter]: At program point L52-3(lines 52 56) the Hoare annotation is: (or (not (= ~two25_log~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 33554432.0)))) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0)) (and (= (fp ((_ extract 31 31) __ieee754_logf_~ix~1) ((_ extract 30 23) __ieee754_logf_~ix~1) ((_ extract 22 0) __ieee754_logf_~ix~1)) |__ieee754_logf_#in~x|) (exists ((__ieee754_logf_~ix~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_logf_~ix~1) ((_ extract 30 23) __ieee754_logf_~ix~1) ((_ extract 22 0) __ieee754_logf_~ix~1)) |__ieee754_logf_#in~x|) (not (= (bvand __ieee754_logf_~ix~1 (_ bv2147483647 32)) (_ bv0 32))))))) [2018-09-20 15:27:40,684 INFO L426 ceAbstractionStarter]: For program point L69(lines 69 76) no Hoare annotation was computed. [2018-09-20 15:27:40,684 INFO L426 ceAbstractionStarter]: For program point L36-1(lines 36 40) no Hoare annotation was computed. [2018-09-20 15:27:40,684 INFO L422 ceAbstractionStarter]: At program point L36-3(lines 36 40) the Hoare annotation is: (or (not (= ~two25_log~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 33554432.0)))) (= __ieee754_logf_~x |__ieee754_logf_#in~x|) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0))) [2018-09-20 15:27:40,684 INFO L426 ceAbstractionStarter]: For program point L36-4(lines 36 40) no Hoare annotation was computed. [2018-09-20 15:27:40,685 INFO L426 ceAbstractionStarter]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2018-09-20 15:27:40,686 INFO L429 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 32 108) the Hoare annotation is: true [2018-09-20 15:27:40,686 INFO L422 ceAbstractionStarter]: At program point L61-3(lines 61 65) the Hoare annotation is: (or (not (= ~two25_log~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 33554432.0)))) (exists ((__ieee754_logf_~ix~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_logf_~ix~1) ((_ extract 30 23) __ieee754_logf_~ix~1) ((_ extract 22 0) __ieee754_logf_~ix~1)) |__ieee754_logf_#in~x|) (not (= (bvand __ieee754_logf_~ix~1 (_ bv2147483647 32)) (_ bv0 32))))) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0))) [2018-09-20 15:27:40,686 INFO L426 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 32 108) no Hoare annotation was computed. [2018-09-20 15:27:40,686 INFO L426 ceAbstractionStarter]: For program point L61-4(lines 61 65) no Hoare annotation was computed. [2018-09-20 15:27:40,686 INFO L426 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-09-20 15:27:40,686 INFO L426 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-09-20 15:27:40,686 INFO L426 ceAbstractionStarter]: For program point L53-2(line 53) no Hoare annotation was computed. [2018-09-20 15:27:40,687 INFO L426 ceAbstractionStarter]: For program point L53-3(line 53) no Hoare annotation was computed. [2018-09-20 15:27:40,687 INFO L426 ceAbstractionStarter]: For program point L78(lines 78 83) no Hoare annotation was computed. [2018-09-20 15:27:40,687 INFO L426 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-09-20 15:27:40,687 INFO L426 ceAbstractionStarter]: For program point L103(lines 103 106) no Hoare annotation was computed. [2018-09-20 15:27:40,687 INFO L426 ceAbstractionStarter]: For program point L70(lines 70 75) no Hoare annotation was computed. [2018-09-20 15:27:40,687 INFO L426 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-09-20 15:27:40,689 INFO L426 ceAbstractionStarter]: For program point L37-1(line 37) no Hoare annotation was computed. [2018-09-20 15:27:40,689 INFO L426 ceAbstractionStarter]: For program point L37-2(line 37) no Hoare annotation was computed. [2018-09-20 15:27:40,689 INFO L426 ceAbstractionStarter]: For program point L37-3(line 37) no Hoare annotation was computed. [2018-09-20 15:27:40,689 INFO L426 ceAbstractionStarter]: For program point L95(lines 95 107) no Hoare annotation was computed. [2018-09-20 15:27:40,690 INFO L426 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2018-09-20 15:27:40,690 INFO L426 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-09-20 15:27:40,690 INFO L426 ceAbstractionStarter]: For program point L62-2(line 62) no Hoare annotation was computed. [2018-09-20 15:27:40,690 INFO L426 ceAbstractionStarter]: For program point L62-3(line 62) no Hoare annotation was computed. [2018-09-20 15:27:40,690 INFO L426 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-09-20 15:27:40,690 INFO L426 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2018-09-20 15:27:40,691 INFO L426 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-09-20 15:27:40,691 INFO L426 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-09-20 15:27:40,692 INFO L426 ceAbstractionStarter]: For program point L55-1(line 55) no Hoare annotation was computed. [2018-09-20 15:27:40,692 INFO L426 ceAbstractionStarter]: For program point L55-2(line 55) no Hoare annotation was computed. [2018-09-20 15:27:40,692 INFO L426 ceAbstractionStarter]: For program point L47(lines 47 48) no Hoare annotation was computed. [2018-09-20 15:27:40,692 INFO L426 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-09-20 15:27:40,692 INFO L426 ceAbstractionStarter]: For program point L39-1(line 39) no Hoare annotation was computed. [2018-09-20 15:27:40,692 INFO L426 ceAbstractionStarter]: For program point L39-2(line 39) no Hoare annotation was computed. [2018-09-20 15:27:40,692 INFO L426 ceAbstractionStarter]: For program point L97(lines 97 101) no Hoare annotation was computed. [2018-09-20 15:27:40,693 INFO L426 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-09-20 15:27:40,693 INFO L426 ceAbstractionStarter]: For program point L64-1(line 64) no Hoare annotation was computed. [2018-09-20 15:27:40,693 INFO L426 ceAbstractionStarter]: For program point L64-2(line 64) no Hoare annotation was computed. [2018-09-20 15:27:40,693 INFO L426 ceAbstractionStarter]: For program point L49(lines 49 57) no Hoare annotation was computed. [2018-09-20 15:27:40,693 INFO L426 ceAbstractionStarter]: For program point L49-1(lines 49 57) no Hoare annotation was computed. [2018-09-20 15:27:40,693 INFO L426 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 32 108) no Hoare annotation was computed. [2018-09-20 15:27:40,693 INFO L426 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-09-20 15:27:40,695 INFO L426 ceAbstractionStarter]: For program point L68(lines 68 84) no Hoare annotation was computed. [2018-09-20 15:27:40,695 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:27:40,695 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 33554432.0)) ~two25_log~0) (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0)) [2018-09-20 15:27:40,695 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:27:40,695 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:27:40,695 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 110 125) the Hoare annotation is: true [2018-09-20 15:27:40,696 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 110 125) no Hoare annotation was computed. [2018-09-20 15:27:40,696 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2018-09-20 15:27:40,696 INFO L426 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-09-20 15:27:40,696 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 110 125) no Hoare annotation was computed. [2018-09-20 15:27:40,696 INFO L422 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 33554432.0))) (.cse1 ((_ to_fp 8 24) RNE (_ +zero 11 53)))) (or (not (= ~two25_log~0 .cse0)) (not (= .cse1 ~zero_log~0)) (= main_~res~0 (fp.div RNE (fp.neg .cse0) .cse1)))) [2018-09-20 15:27:40,697 INFO L426 ceAbstractionStarter]: For program point L120-1(lines 120 123) no Hoare annotation was computed. [2018-09-20 15:27:40,697 INFO L422 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (or (not (= ~two25_log~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 33554432.0)))) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0)) (= main_~x~0 (fp.neg (_ +zero 8 24)))) [2018-09-20 15:27:40,697 INFO L426 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-09-20 15:27:40,706 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,707 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,708 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,708 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,708 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,709 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,709 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,715 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,715 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,716 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,716 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,716 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,716 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,717 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,718 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,718 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,723 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,724 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,724 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,724 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,725 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,725 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,726 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,726 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,726 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,726 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,727 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,727 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,728 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,728 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,728 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,728 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,729 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,731 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,731 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,731 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,732 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,732 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,732 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,733 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:27:40 BoogieIcfgContainer [2018-09-20 15:27:40,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:27:40,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:27:40,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:27:40,737 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:27:40,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:27:16" (3/4) ... [2018-09-20 15:27:40,743 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:27:40,751 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:27:40,751 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-09-20 15:27:40,751 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-09-20 15:27:40,752 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:27:40,760 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-09-20 15:27:40,761 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-09-20 15:27:40,761 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 15:27:40,761 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 15:27:40,795 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(two25_log == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3.3554432E7))) || x == \old(x)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) [2018-09-20 15:27:40,795 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x || !(two25_log == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3.3554432E7)))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) [2018-09-20 15:27:40,797 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(two25_log == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3.3554432E7))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log)) || (~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == \old(x) && (\exists __ieee754_logf_~ix~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && !(~bvand32(__ieee754_logf_~ix~1, 2147483647bv32) == 0bv32))) [2018-09-20 15:27:40,798 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(two25_log == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3.3554432E7))) || (\exists __ieee754_logf_~ix~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && !(~bvand32(__ieee754_logf_~ix~1, 2147483647bv32) == 0bv32))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) [2018-09-20 15:27:40,873 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:27:40,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:27:40,874 INFO L168 Benchmark]: Toolchain (without parser) took 37899.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 950.8 MB in the beginning and 869.2 MB in the end (delta: 81.6 MB). Peak memory consumption was 215.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:27:40,875 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:27:40,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.32 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:27:40,879 INFO L168 Benchmark]: Boogie Preprocessor took 80.60 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:27:40,879 INFO L168 Benchmark]: RCFGBuilder took 12633.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:27:40,880 INFO L168 Benchmark]: TraceAbstraction took 24658.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 876.0 MB in the end (delta: 213.1 MB). Peak memory consumption was 213.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:27:40,880 INFO L168 Benchmark]: Witness Printer took 136.66 ms. Allocated memory is still 1.2 GB. Free memory was 876.0 MB in the beginning and 869.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:27:40,884 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 382.32 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.60 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 12633.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24658.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 876.0 MB in the end (delta: 213.1 MB). Peak memory consumption was 213.1 MB. Max. memory is 11.5 GB. * Witness Printer took 136.66 ms. Allocated memory is still 1.2 GB. Free memory was 876.0 MB in the beginning and 869.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 121]: 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: 61]: Loop Invariant [2018-09-20 15:27:40,891 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,891 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,891 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,896 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,896 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,896 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,897 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,900 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,901 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,901 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,901 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,901 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,901 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,901 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (!(two25_log == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3.3554432E7))) || (\exists __ieee754_logf_~ix~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && !(~bvand32(__ieee754_logf_~ix~1, 2147483647bv32) == 0bv32))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) - InvariantResult [Line: 15]: Loop Invariant [2018-09-20 15:27:40,902 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,902 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,902 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,903 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,903 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,903 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (\old(x) == x || !(two25_log == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3.3554432E7)))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) - InvariantResult [Line: 36]: Loop Invariant [2018-09-20 15:27:40,906 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,906 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,906 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,906 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,906 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,907 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (!(two25_log == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3.3554432E7))) || x == \old(x)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) - InvariantResult [Line: 52]: Loop Invariant [2018-09-20 15:27:40,907 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,911 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,911 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,911 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,911 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,911 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,911 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,912 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,915 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,916 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:40,916 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,916 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,916 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:40,916 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] Derived loop invariant: (!(two25_log == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3.3554432E7))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log)) || (~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == \old(x) && (\exists __ieee754_logf_~ix~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && !(~bvand32(__ieee754_logf_~ix~1, 2147483647bv32) == 0bv32))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 77 locations, 1 error locations. SAFE Result, 24.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 20.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 208 SDtfs, 151 SDslu, 807 SDs, 0 SdLazy, 232 SolverSat, 15 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 18.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred 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, 12 LocationsWithAnnotation, 16 PreInvPairs, 22 NumberOfFragments, 175 HoareAnnotationTreeSize, 16 FomulaSimplifications, 34 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 158 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 100 ConstructedInterpolants, 5 QuantifiedInterpolants, 26830 SizeOfPredicates, 16 NumberOfNonLiveVariables, 316 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...