/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0910a_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_0910a_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 534ce73b969c24d3fe4a2996f4697b5d070e8f3e .................................................................................................................................................................................................................................................................................................................. 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_0910a_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 534ce73b969c24d3fe4a2996f4697b5d070e8f3e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:26:33,710 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:26:33,712 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:26:33,726 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:26:33,727 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:26:33,728 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:26:33,732 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:26:33,735 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:26:33,739 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:26:33,746 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:26:33,750 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:26:33,751 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:26:33,752 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:26:33,755 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:26:33,758 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:26:33,759 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:26:33,762 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:26:33,764 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:26:33,769 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:26:33,774 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:26:33,777 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:26:33,782 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:26:33,785 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:26:33,789 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:26:33,789 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:26:33,790 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:26:33,791 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:26:33,795 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:26:33,796 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:26:33,800 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:26:33,800 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:26:33,801 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:26:33,801 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:26:33,803 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:26:33,804 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:26:33,808 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:26:33,810 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:26:33,840 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:26:33,841 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:26:33,842 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:26:33,842 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:26:33,843 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:26:33,844 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:26:33,845 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:26:33,845 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:26:33,845 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:26:33,845 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:26:33,846 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:26:33,846 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:26:33,846 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:26:33,846 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:26:33,846 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:26:33,846 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:26:33,847 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:26:33,847 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:26:33,847 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:26:33,847 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:26:33,851 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:26:33,851 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:26:33,851 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:26:33,852 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:26:33,852 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:26:33,852 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:26:33,852 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:26:33,852 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:26:33,853 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:26:33,853 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 -> 534ce73b969c24d3fe4a2996f4697b5d070e8f3e [2018-09-20 15:26:33,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:26:33,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:26:33,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:26:33,965 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:26:33,965 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:26:33,966 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0910a_true-unreach-call.c [2018-09-20 15:26:34,354 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d225a5683/4457c6705a9448b1aaab4fa980e85d7c/FLAG0f09132e5 [2018-09-20 15:26:34,523 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:26:34,524 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0910a_true-unreach-call.c [2018-09-20 15:26:34,543 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d225a5683/4457c6705a9448b1aaab4fa980e85d7c/FLAG0f09132e5 [2018-09-20 15:26:34,574 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d225a5683/4457c6705a9448b1aaab4fa980e85d7c [2018-09-20 15:26:34,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:26:34,582 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:26:34,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:26:34,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:26:34,590 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:26:34,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:26:34" (1/1) ... [2018-09-20 15:26:34,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d04afd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:34, skipping insertion in model container [2018-09-20 15:26:34,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:26:34" (1/1) ... [2018-09-20 15:26:34,609 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:26:34,853 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:26:34,871 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:26:34,909 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:26:34,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:34 WrapperNode [2018-09-20 15:26:34,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:26:34,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:26:34,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:26:34,944 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:26:34,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:34" (1/1) ... [2018-09-20 15:26:34,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:34" (1/1) ... [2018-09-20 15:26:34,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:34" (1/1) ... [2018-09-20 15:26:34,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:34" (1/1) ... [2018-09-20 15:26:35,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:34" (1/1) ... [2018-09-20 15:26:35,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:34" (1/1) ... [2018-09-20 15:26:35,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:34" (1/1) ... [2018-09-20 15:26:35,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:26:35,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:26:35,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:26:35,024 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:26:35,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:34" (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 15:26:35,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:26:35,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:26:35,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-09-20 15:26:35,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-09-20 15:26:35,167 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:26:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:26:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-09-20 15:26:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:26:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:26:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:26:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:26:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-09-20 15:26:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:26:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:26:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:26:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:26:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:26:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:26:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:26:35,864 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:26:35,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:26:35 BoogieIcfgContainer [2018-09-20 15:26:35,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:26:35,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:26:35,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:26:35,869 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:26:35,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:26:34" (1/3) ... [2018-09-20 15:26:35,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51fa1d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:26:35, skipping insertion in model container [2018-09-20 15:26:35,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:34" (2/3) ... [2018-09-20 15:26:35,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51fa1d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:26:35, skipping insertion in model container [2018-09-20 15:26:35,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:26:35" (3/3) ... [2018-09-20 15:26:35,874 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910a_true-unreach-call.c [2018-09-20 15:26:35,882 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:26:35,890 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:26:35,935 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:26:35,936 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:26:35,936 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:26:35,936 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:26:35,936 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:26:35,936 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:26:35,939 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:26:35,939 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:26:35,939 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:26:35,961 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-09-20 15:26:35,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-20 15:26:35,970 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:26:35,971 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 15:26:35,973 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:26:35,980 INFO L82 PathProgramCache]: Analyzing trace with hash 246875342, now seen corresponding path program 1 times [2018-09-20 15:26:35,982 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:26:35,982 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:26:36,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:26:36,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:26:36,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:26:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:26:36,154 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 15:26:36,157 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:26:36,157 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:26:36,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:26:36,175 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:26:36,176 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:26:36,178 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2018-09-20 15:26:36,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:26:36,209 INFO L93 Difference]: Finished difference Result 148 states and 187 transitions. [2018-09-20 15:26:36,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:26:36,211 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-09-20 15:26:36,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:26:36,223 INFO L225 Difference]: With dead ends: 148 [2018-09-20 15:26:36,223 INFO L226 Difference]: Without dead ends: 74 [2018-09-20 15:26:36,227 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 15:26:36,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-09-20 15:26:36,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-09-20 15:26:36,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-09-20 15:26:36,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 84 transitions. [2018-09-20 15:26:36,281 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 84 transitions. Word has length 23 [2018-09-20 15:26:36,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:26:36,282 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 84 transitions. [2018-09-20 15:26:36,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:26:36,282 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2018-09-20 15:26:36,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-20 15:26:36,287 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:26:36,288 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 15:26:36,289 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:26:36,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1270612634, now seen corresponding path program 1 times [2018-09-20 15:26:36,290 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:26:36,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:26:36,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:26:36,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:26:36,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:26:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:26:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:26:36,447 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:26:36,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:26:36 BoogieIcfgContainer [2018-09-20 15:26:36,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:26:36,522 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:26:36,523 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:26:36,523 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:26:36,524 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:26:35" (3/4) ... [2018-09-20 15:26:36,530 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:26:36,531 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:26:36,531 INFO L168 Benchmark]: Toolchain (without parser) took 1952.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -101.5 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:26:36,534 INFO L168 Benchmark]: CDTParser took 0.19 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 15:26:36,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.10 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:26:36,535 INFO L168 Benchmark]: Boogie Preprocessor took 76.58 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:26:36,536 INFO L168 Benchmark]: RCFGBuilder took 841.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:26:36,537 INFO L168 Benchmark]: TraceAbstraction took 656.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:26:36,537 INFO L168 Benchmark]: Witness Printer took 8.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:26:36,544 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 360.10 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.58 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 841.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 656.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. * Witness Printer took 8.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 120]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 43, overapproximation of bitwiseAnd at line 19. Possible FailurePath: [L23-L27] 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; [L29] static const float zero_log = 0.0; VAL [\old(Lg1_log)=10737418256, \old(Lg2_log)=10737418257, \old(Lg3_log)=10737418241, \old(Lg4_log)=10737418244, \old(Lg5_log)=10737418246, \old(Lg6_log)=10737418255, \old(Lg7_log)=10737418254, \old(ln2_hi_log)=10737418243, \old(ln2_lo_log)=10737418248, \old(two25_log)=10737418252, \old(zero_log)=10737418250, 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] [L115] 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, x=0, zero_log=0] [L116] CALL, EXPR __ieee754_logf(x) VAL [\old(x)=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, zero_log=0] [L32] float hfsq, f, s, z, R, w, t1, t2, dk; [L33] __int32_t k, ix, i, j; VAL [\old(x)=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=0, zero_log=0] [L36] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=0, gf_u={10737418253:0}, 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=0, zero_log=0] [L37] FCALL gf_u.value = (x) VAL [\old(x)=0, gf_u={10737418253:0}, 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=0, zero_log=0] [L38] EXPR, FCALL gf_u.word VAL [\old(x)=0, gf_u={10737418253:0}, 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=0, zero_log=0] [L38] (ix) = gf_u.word VAL [\old(x)=0, gf_u={10737418253:0}, 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=0, zero_log=0] [L38] FCALL (ix) = gf_u.word VAL [(ix) = gf_u.word=10737418251, \old(x)=0, gf_u={10737418253:0}, 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=0, zero_log=0] [L39] COND FALSE !(0) VAL [\old(x)=0, 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=0, zero_log=0] [L41] k = 0 VAL [\old(x)=0, 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=0, zero_log=0] [L42] COND TRUE ((ix & 0x7fffffff) == 0) [L43] RET return -two25_log / zero_log; VAL [\old(x)=0, 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=0, zero_log=0] [L116] 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=0, zero_log=0] [L116] float res = __ieee754_logf(x); [L119] 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] [L13] __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] [L15] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418245, gf_u={10737418253:0}, 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] [L16] FCALL gf_u.value = (x) VAL [\old(x)=10737418245, gf_u={10737418253:0}, 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] EXPR, FCALL gf_u.word VAL [\old(x)=10737418245, gf_u={10737418253:0}, 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] [L17] (ix) = gf_u.word VAL [\old(x)=10737418245, gf_u={10737418253:0}, 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] [L17] FCALL (ix) = gf_u.word VAL [(ix) = gf_u.word=10737418247, \old(x)=10737418245, gf_u={10737418253:0}, 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] 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] [L19] ix &= 0x7fffffff [L20] 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] [L119] 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=0, zero_log=0] [L119] COND TRUE !isinf_float(res) [L120] __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=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 78 locations, 1 error locations. UNSAFE Result, 0.5s 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, 0.1s 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 15:26:39,014 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:26:39,017 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:26:39,030 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:26:39,030 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:26:39,031 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:26:39,032 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:26:39,034 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:26:39,036 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:26:39,037 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:26:39,038 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:26:39,038 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:26:39,039 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:26:39,040 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:26:39,041 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:26:39,042 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:26:39,043 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:26:39,045 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:26:39,047 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:26:39,049 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:26:39,051 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:26:39,052 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:26:39,055 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:26:39,055 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:26:39,056 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:26:39,057 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:26:39,058 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:26:39,059 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:26:39,060 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:26:39,061 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:26:39,061 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:26:39,062 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:26:39,062 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:26:39,063 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:26:39,064 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:26:39,065 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:26:39,065 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:26:39,081 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:26:39,081 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:26:39,082 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:26:39,082 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:26:39,083 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:26:39,083 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:26:39,083 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:26:39,084 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:26:39,084 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:26:39,084 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:26:39,084 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:26:39,084 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:26:39,084 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:26:39,085 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:26:39,085 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:26:39,085 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:26:39,085 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:26:39,085 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:26:39,085 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:26:39,086 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:26:39,086 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:26:39,086 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:26:39,086 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:26:39,086 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:26:39,087 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:26:39,087 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:26:39,087 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:26:39,087 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:26:39,087 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:26:39,087 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:26:39,088 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:26:39,088 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 -> 534ce73b969c24d3fe4a2996f4697b5d070e8f3e [2018-09-20 15:26:39,139 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:26:39,153 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:26:39,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:26:39,158 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:26:39,159 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:26:39,160 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0910a_true-unreach-call.c [2018-09-20 15:26:39,516 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3d73b78b/02b14065739e465fb770bbeaf9ea6657/FLAGd06d73a78 [2018-09-20 15:26:39,665 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:26:39,669 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0910a_true-unreach-call.c [2018-09-20 15:26:39,679 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3d73b78b/02b14065739e465fb770bbeaf9ea6657/FLAGd06d73a78 [2018-09-20 15:26:39,705 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3d73b78b/02b14065739e465fb770bbeaf9ea6657 [2018-09-20 15:26:39,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:26:39,716 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:26:39,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:26:39,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:26:39,729 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:26:39,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:26:39" (1/1) ... [2018-09-20 15:26:39,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@294241e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:39, skipping insertion in model container [2018-09-20 15:26:39,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:26:39" (1/1) ... [2018-09-20 15:26:39,748 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:26:40,009 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:26:40,031 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:26:40,076 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:26:40,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:40 WrapperNode [2018-09-20 15:26:40,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:26:40,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:26:40,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:26:40,127 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:26:40,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:40" (1/1) ... [2018-09-20 15:26:40,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:40" (1/1) ... [2018-09-20 15:26:40,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:40" (1/1) ... [2018-09-20 15:26:40,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:40" (1/1) ... [2018-09-20 15:26:40,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:40" (1/1) ... [2018-09-20 15:26:40,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:40" (1/1) ... [2018-09-20 15:26:40,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:40" (1/1) ... [2018-09-20 15:26:40,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:26:40,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:26:40,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:26:40,192 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:26:40,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:40" (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 15:26:40,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:26:40,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:26:40,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-09-20 15:26:40,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-09-20 15:26:40,343 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:26:40,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:26:40,344 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-09-20 15:26:40,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:26:40,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:26:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:26:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:26:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-09-20 15:26:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:26:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:26:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:26:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:26:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:26:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:26:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:26:40,642 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:26:40,689 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:26:51,753 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:26:51,772 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:26:52,803 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:26:52,831 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:26:53,103 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:26:53,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:26:53 BoogieIcfgContainer [2018-09-20 15:26:53,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:26:53,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:26:53,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:26:53,113 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:26:53,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:26:39" (1/3) ... [2018-09-20 15:26:53,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f1b603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:26:53, skipping insertion in model container [2018-09-20 15:26:53,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:26:40" (2/3) ... [2018-09-20 15:26:53,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f1b603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:26:53, skipping insertion in model container [2018-09-20 15:26:53,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:26:53" (3/3) ... [2018-09-20 15:26:53,118 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910a_true-unreach-call.c [2018-09-20 15:26:53,131 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:26:53,142 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:26:53,199 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:26:53,200 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:26:53,200 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:26:53,201 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:26:53,201 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:26:53,201 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:26:53,201 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:26:53,201 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:26:53,202 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:26:53,229 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2018-09-20 15:26:53,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-20 15:26:53,245 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:26:53,246 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 15:26:53,249 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:26:53,255 INFO L82 PathProgramCache]: Analyzing trace with hash 459067002, now seen corresponding path program 1 times [2018-09-20 15:26:53,260 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:26:53,261 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 15:26:53,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:26:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:26:53,556 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:26:53,577 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 15:26:53,577 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:26:53,595 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:26:53,596 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:26:53,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:26:53,615 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:26:53,616 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:26:53,618 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2018-09-20 15:26:53,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:26:53,649 INFO L93 Difference]: Finished difference Result 146 states and 185 transitions. [2018-09-20 15:26:53,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:26:53,650 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-20 15:26:53,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:26:53,661 INFO L225 Difference]: With dead ends: 146 [2018-09-20 15:26:53,662 INFO L226 Difference]: Without dead ends: 73 [2018-09-20 15:26:53,666 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 15:26:53,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-09-20 15:26:53,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-09-20 15:26:53,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-09-20 15:26:53,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 83 transitions. [2018-09-20 15:26:53,713 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 83 transitions. Word has length 22 [2018-09-20 15:26:53,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:26:53,713 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 83 transitions. [2018-09-20 15:26:53,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:26:53,713 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2018-09-20 15:26:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-20 15:26:53,715 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:26:53,716 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 15:26:53,716 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:26:53,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1201574240, now seen corresponding path program 1 times [2018-09-20 15:26:53,717 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:26:53,718 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 15:26:53,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:26:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:26:54,023 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:26:54,651 WARN L178 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-20 15:26:54,856 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 15:26:54,863 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 15:26:54,863 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:26:54,869 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:26:54,882 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 15:26:54,882 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:26:54,934 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 15:26:54,948 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 15:26:54,949 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:26:54,953 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:26:54,968 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 15:26:54,969 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:26:55,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:26:55,334 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:26:55,352 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:26:55,352 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-20 15:26:55,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-20 15:26:55,354 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-20 15:26:55,356 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-09-20 15:26:55,356 INFO L87 Difference]: Start difference. First operand 73 states and 83 transitions. Second operand 12 states. [2018-09-20 15:26:57,169 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-20 15:26:57,993 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-09-20 15:27:11,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:27:11,586 INFO L93 Difference]: Finished difference Result 80 states and 90 transitions. [2018-09-20 15:27:11,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-20 15:27:11,588 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-09-20 15:27:11,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:27:11,591 INFO L225 Difference]: With dead ends: 80 [2018-09-20 15:27:11,591 INFO L226 Difference]: Without dead ends: 73 [2018-09-20 15:27:11,593 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2018-09-20 15:27:11,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-09-20 15:27:11,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-09-20 15:27:11,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-09-20 15:27:11,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 82 transitions. [2018-09-20 15:27:11,608 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 82 transitions. Word has length 40 [2018-09-20 15:27:11,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:27:11,608 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 82 transitions. [2018-09-20 15:27:11,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-20 15:27:11,609 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2018-09-20 15:27:11,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-20 15:27:11,610 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:27:11,611 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 15:27:11,611 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:27:11,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1906222067, now seen corresponding path program 1 times [2018-09-20 15:27:11,612 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:27:11,612 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 15:27:11,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 15:27:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:27:11,938 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:27:12,002 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 15:27:12,007 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 15:27:12,007 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:27:12,012 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:27:12,033 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 15:27:12,034 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:27:12,067 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 15:27:12,076 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 15:27:12,077 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:27:12,080 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:27:12,082 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 15:27:12,083 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:27:12,174 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 15:27:12,174 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:27:12,189 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:27:12,189 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 15:27:12,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 15:27:12,190 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 15:27:12,190 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 15:27:12,191 INFO L87 Difference]: Start difference. First operand 73 states and 82 transitions. Second operand 8 states. [2018-09-20 15:27:16,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:27:16,967 INFO L93 Difference]: Finished difference Result 81 states and 90 transitions. [2018-09-20 15:27:16,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 15:27:16,969 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2018-09-20 15:27:16,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:27:16,969 INFO L225 Difference]: With dead ends: 81 [2018-09-20 15:27:16,970 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:27:16,972 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 15:27:16,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:27:16,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:27:16,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:27:16,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:27:16,973 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2018-09-20 15:27:16,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:27:16,973 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:27:16,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 15:27:16,973 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:27:16,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:27:16,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:27:17,368 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2018-09-20 15:27:17,746 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2018-09-20 15:27:17,805 INFO L426 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-09-20 15:27:17,805 INFO L426 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-09-20 15:27:17,805 INFO L426 ceAbstractionStarter]: For program point L17-1(line 17) no Hoare annotation was computed. [2018-09-20 15:27:17,806 INFO L429 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 12 21) the Hoare annotation is: true [2018-09-20 15:27:17,806 INFO L426 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-09-20 15:27:17,806 INFO L426 ceAbstractionStarter]: For program point L17-2(line 17) no Hoare annotation was computed. [2018-09-20 15:27:17,806 INFO L426 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2018-09-20 15:27:17,806 INFO L426 ceAbstractionStarter]: For program point L15-2(line 15) no Hoare annotation was computed. [2018-09-20 15:27:17,806 INFO L426 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2018-09-20 15:27:17,806 INFO L426 ceAbstractionStarter]: For program point L15-3(line 15) no Hoare annotation was computed. [2018-09-20 15:27:17,807 INFO L422 ceAbstractionStarter]: At program point L14-3(lines 14 18) 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 15:27:17,807 INFO L426 ceAbstractionStarter]: For program point L14-4(lines 14 18) no Hoare annotation was computed. [2018-09-20 15:27:17,807 INFO L426 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 12 21) no Hoare annotation was computed. [2018-09-20 15:27:17,807 INFO L426 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 12 21) no Hoare annotation was computed. [2018-09-20 15:27:17,807 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:27:17,807 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:27:17,808 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:27:17,808 INFO L422 ceAbstractionStarter]: At program point L35-3(lines 35 39) 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 15:27:17,808 INFO L426 ceAbstractionStarter]: For program point L35-4(lines 35 39) no Hoare annotation was computed. [2018-09-20 15:27:17,808 INFO L426 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2018-09-20 15:27:17,808 INFO L422 ceAbstractionStarter]: At program point L60-3(lines 60 64) 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 15:27:17,809 INFO L426 ceAbstractionStarter]: For program point L60-4(lines 60 64) no Hoare annotation was computed. [2018-09-20 15:27:17,809 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-20 15:27:17,809 INFO L426 ceAbstractionStarter]: For program point L52-1(line 52) no Hoare annotation was computed. [2018-09-20 15:27:17,809 INFO L426 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-09-20 15:27:17,809 INFO L426 ceAbstractionStarter]: For program point L52-3(line 52) no Hoare annotation was computed. [2018-09-20 15:27:17,809 INFO L426 ceAbstractionStarter]: For program point L77(lines 77 82) no Hoare annotation was computed. [2018-09-20 15:27:17,809 INFO L426 ceAbstractionStarter]: For program point L44(lines 44 45) no Hoare annotation was computed. [2018-09-20 15:27:17,810 INFO L426 ceAbstractionStarter]: For program point L102(lines 102 105) no Hoare annotation was computed. [2018-09-20 15:27:17,810 INFO L426 ceAbstractionStarter]: For program point L69(lines 69 74) no Hoare annotation was computed. [2018-09-20 15:27:17,810 INFO L426 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-09-20 15:27:17,810 INFO L426 ceAbstractionStarter]: For program point L36-1(line 36) no Hoare annotation was computed. [2018-09-20 15:27:17,810 INFO L426 ceAbstractionStarter]: For program point L36-2(line 36) no Hoare annotation was computed. [2018-09-20 15:27:17,810 INFO L426 ceAbstractionStarter]: For program point L36-3(line 36) no Hoare annotation was computed. [2018-09-20 15:27:17,810 INFO L426 ceAbstractionStarter]: For program point L94(lines 94 106) no Hoare annotation was computed. [2018-09-20 15:27:17,811 INFO L426 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-09-20 15:27:17,811 INFO L426 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-09-20 15:27:17,811 INFO L426 ceAbstractionStarter]: For program point L61-2(line 61) no Hoare annotation was computed. [2018-09-20 15:27:17,811 INFO L429 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 31 107) the Hoare annotation is: true [2018-09-20 15:27:17,811 INFO L426 ceAbstractionStarter]: For program point L61-3(line 61) no Hoare annotation was computed. [2018-09-20 15:27:17,811 INFO L426 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 31 107) no Hoare annotation was computed. [2018-09-20 15:27:17,811 INFO L426 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-09-20 15:27:17,812 INFO L426 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-09-20 15:27:17,812 INFO L426 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2018-09-20 15:27:17,812 INFO L426 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-09-20 15:27:17,812 INFO L426 ceAbstractionStarter]: For program point L54-1(line 54) no Hoare annotation was computed. [2018-09-20 15:27:17,812 INFO L426 ceAbstractionStarter]: For program point L54-2(line 54) no Hoare annotation was computed. [2018-09-20 15:27:17,812 INFO L426 ceAbstractionStarter]: For program point L46(lines 46 47) no Hoare annotation was computed. [2018-09-20 15:27:17,812 INFO L426 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2018-09-20 15:27:17,813 INFO L426 ceAbstractionStarter]: For program point L38-1(line 38) no Hoare annotation was computed. [2018-09-20 15:27:17,813 INFO L426 ceAbstractionStarter]: For program point L38-2(line 38) no Hoare annotation was computed. [2018-09-20 15:27:17,813 INFO L426 ceAbstractionStarter]: For program point L96(lines 96 100) no Hoare annotation was computed. [2018-09-20 15:27:17,813 INFO L426 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-09-20 15:27:17,813 INFO L426 ceAbstractionStarter]: For program point L63-1(line 63) no Hoare annotation was computed. [2018-09-20 15:27:17,813 INFO L426 ceAbstractionStarter]: For program point L63-2(line 63) no Hoare annotation was computed. [2018-09-20 15:27:17,813 INFO L426 ceAbstractionStarter]: For program point L48(lines 48 56) no Hoare annotation was computed. [2018-09-20 15:27:17,813 INFO L426 ceAbstractionStarter]: For program point L48-1(lines 48 56) no Hoare annotation was computed. [2018-09-20 15:27:17,814 INFO L426 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 31 107) no Hoare annotation was computed. [2018-09-20 15:27:17,814 INFO L426 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-09-20 15:27:17,814 INFO L426 ceAbstractionStarter]: For program point L67(lines 67 83) no Hoare annotation was computed. [2018-09-20 15:27:17,814 INFO L426 ceAbstractionStarter]: For program point L51-1(lines 51 55) no Hoare annotation was computed. [2018-09-20 15:27:17,814 INFO L422 ceAbstractionStarter]: At program point L51-3(lines 51 55) 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 15:27:17,815 INFO L426 ceAbstractionStarter]: For program point L68(lines 68 75) no Hoare annotation was computed. [2018-09-20 15:27:17,815 INFO L426 ceAbstractionStarter]: For program point L35-1(lines 35 39) no Hoare annotation was computed. [2018-09-20 15:27:17,815 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:27:17,815 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 15:27:17,815 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:27:17,815 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:27:17,816 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 109 124) the Hoare annotation is: true [2018-09-20 15:27:17,816 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 109 124) no Hoare annotation was computed. [2018-09-20 15:27:17,816 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 109 124) no Hoare annotation was computed. [2018-09-20 15:27:17,816 INFO L426 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-09-20 15:27:17,816 INFO L422 ceAbstractionStarter]: At program point L119(line 119) 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 15:27:17,816 INFO L426 ceAbstractionStarter]: For program point L119-1(lines 119 122) no Hoare annotation was computed. [2018-09-20 15:27:17,817 INFO L422 ceAbstractionStarter]: At program point L116(line 116) the Hoare annotation is: (or (not (= ~two25_log~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 33554432.0)))) (= (_ +zero 8 24) main_~x~0) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0))) [2018-09-20 15:27:17,817 INFO L426 ceAbstractionStarter]: For program point L116-1(line 116) no Hoare annotation was computed. [2018-09-20 15:27:17,817 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 120) no Hoare annotation was computed. [2018-09-20 15:27:17,825 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,827 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,827 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:17,827 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:17,828 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:17,828 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:17,828 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,834 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,834 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,838 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:17,838 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:17,838 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:17,838 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:17,839 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,840 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,843 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,843 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,843 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,844 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,844 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,844 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,845 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,845 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,847 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,848 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,848 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,849 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,849 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,849 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,850 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:17,850 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:17,850 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:17,855 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:17,857 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,857 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,857 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:17,858 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:17,858 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:17,858 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:17,858 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:17,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:27:17 BoogieIcfgContainer [2018-09-20 15:27:17,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:27:17,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:27:17,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:27:17,868 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:27:17,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:26:53" (3/4) ... [2018-09-20 15:27:17,875 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:27:17,888 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:27:17,888 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-09-20 15:27:17,889 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-09-20 15:27:17,889 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:27:17,896 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-09-20 15:27:17,897 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-09-20 15:27:17,897 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 15:27:17,897 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 15:27:17,931 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 15:27:17,931 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 15:27:17,932 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 15:27:17,932 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 15:27:17,987 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:27:17,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:27:17,992 INFO L168 Benchmark]: Toolchain (without parser) took 38280.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 951.8 MB in the beginning and 884.8 MB in the end (delta: 67.1 MB). Peak memory consumption was 219.6 MB. Max. memory is 11.5 GB. [2018-09-20 15:27:17,993 INFO L168 Benchmark]: CDTParser took 0.19 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 15:27:17,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.66 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:27:18,001 INFO L168 Benchmark]: Boogie Preprocessor took 65.44 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:27:18,002 INFO L168 Benchmark]: RCFGBuilder took 12912.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -169.9 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:27:18,003 INFO L168 Benchmark]: TraceAbstraction took 24758.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.6 MB in the end (delta: 214.0 MB). Peak memory consumption was 214.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:27:18,003 INFO L168 Benchmark]: Witness Printer took 123.01 ms. Allocated memory is still 1.2 GB. Free memory was 891.6 MB in the beginning and 884.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:27:18,009 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 406.66 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.44 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 12912.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -169.9 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24758.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.6 MB in the end (delta: 214.0 MB). Peak memory consumption was 214.0 MB. Max. memory is 11.5 GB. * Witness Printer took 123.01 ms. Allocated memory is still 1.2 GB. Free memory was 891.6 MB in the beginning and 884.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression 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: 120]: 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: 60]: Loop Invariant [2018-09-20 15:27:18,030 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,030 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,030 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:18,030 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:18,031 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:18,031 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:18,031 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,032 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,032 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,032 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:18,032 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:18,035 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:18,036 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:18,036 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: 14]: Loop Invariant [2018-09-20 15:27:18,037 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,037 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,037 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,037 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,037 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,037 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: 35]: Loop Invariant [2018-09-20 15:27:18,038 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,038 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,038 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,039 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,039 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,039 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: 51]: Loop Invariant [2018-09-20 15:27:18,045 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,045 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,045 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,045 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:18,046 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:18,046 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:18,046 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:18,047 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,047 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,047 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:27:18,047 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:18,047 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:18,051 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:27:18,051 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, 24.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 21.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 208 SDtfs, 151 SDslu, 807 SDs, 0 SdLazy, 231 SolverSat, 15 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 18.8s 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, 174 HoareAnnotationTreeSize, 16 FomulaSimplifications, 34 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 158 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 100 ConstructedInterpolants, 5 QuantifiedInterpolants, 26790 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...