/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0250a_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_0250a_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 78ea74dfa7532b5891dcf798c387cbc67437d79b ............................................................................................................................................................................................................................................................................................................... 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_0250a_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 78ea74dfa7532b5891dcf798c387cbc67437d79b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:09:21,900 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:09:21,903 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:09:21,915 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:09:21,915 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:09:21,916 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:09:21,918 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:09:21,919 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:09:21,921 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:09:21,921 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:09:21,922 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:09:21,923 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:09:21,923 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:09:21,924 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:09:21,925 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:09:21,926 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:09:21,929 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:09:21,931 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:09:21,936 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:09:21,940 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:09:21,941 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:09:21,947 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:09:21,950 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:09:21,950 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:09:21,953 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:09:21,954 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:09:21,957 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:09:21,958 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:09:21,959 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:09:21,962 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:09:21,962 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:09:21,963 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:09:21,963 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:09:21,963 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:09:21,964 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:09:21,966 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:09:21,966 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:09:21,996 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:09:21,997 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:09:21,998 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:09:21,998 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:09:21,999 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:09:21,999 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:09:21,999 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:09:22,000 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:09:22,000 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:09:22,000 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:09:22,001 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:09:22,001 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:09:22,001 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:09:22,001 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:09:22,001 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:09:22,001 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:09:22,002 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:09:22,002 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:09:22,002 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:09:22,002 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:09:22,002 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:09:22,002 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:09:22,003 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:09:22,003 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:09:22,003 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:09:22,003 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:09:22,003 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:09:22,003 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:09:22,004 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:09:22,004 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 -> 78ea74dfa7532b5891dcf798c387cbc67437d79b [2018-09-20 15:09:22,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:09:22,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:09:22,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:09:22,094 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:09:22,094 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:09:22,095 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0250a_true-unreach-call.c [2018-09-20 15:09:22,456 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f954846af/f4f946aabf244de5bdc91347ab51791f/FLAGc782a16cf [2018-09-20 15:09:22,683 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:09:22,683 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0250a_true-unreach-call.c [2018-09-20 15:09:22,693 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f954846af/f4f946aabf244de5bdc91347ab51791f/FLAGc782a16cf [2018-09-20 15:09:22,709 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f954846af/f4f946aabf244de5bdc91347ab51791f [2018-09-20 15:09:22,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:09:22,717 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:09:22,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:09:22,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:09:22,725 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:09:22,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:22" (1/1) ... [2018-09-20 15:09:22,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ade425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:22, skipping insertion in model container [2018-09-20 15:09:22,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:22" (1/1) ... [2018-09-20 15:09:22,739 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:09:23,020 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:09:23,043 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:09:23,088 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:09:23,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:23 WrapperNode [2018-09-20 15:09:23,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:09:23,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:09:23,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:09:23,135 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:09:23,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:23" (1/1) ... [2018-09-20 15:09:23,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:23" (1/1) ... [2018-09-20 15:09:23,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:23" (1/1) ... [2018-09-20 15:09:23,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:23" (1/1) ... [2018-09-20 15:09:23,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:23" (1/1) ... [2018-09-20 15:09:23,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:23" (1/1) ... [2018-09-20 15:09:23,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:23" (1/1) ... [2018-09-20 15:09:23,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:09:23,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:09:23,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:09:23,225 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:09:23,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:23" (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 15:09:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:09:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:09:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-09-20 15:09:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:09:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-20 15:09:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:09:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-09-20 15:09:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:09:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:09:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:09:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-09-20 15:09:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:09:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:09:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:09:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:09:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:09:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:09:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:09:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-20 15:09:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:09:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-09-20 15:09:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:09:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:09:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:09:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:09:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:09:24,466 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:09:24,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:24 BoogieIcfgContainer [2018-09-20 15:09:24,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:09:24,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:09:24,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:09:24,472 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:09:24,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:09:22" (1/3) ... [2018-09-20 15:09:24,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72692c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:09:24, skipping insertion in model container [2018-09-20 15:09:24,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:23" (2/3) ... [2018-09-20 15:09:24,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72692c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:09:24, skipping insertion in model container [2018-09-20 15:09:24,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:24" (3/3) ... [2018-09-20 15:09:24,477 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a_true-unreach-call.c [2018-09-20 15:09:24,488 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:09:24,497 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:09:24,562 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:09:24,562 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:09:24,563 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:09:24,563 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:09:24,563 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:09:24,563 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:09:24,563 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:09:24,563 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:09:24,564 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:09:24,586 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2018-09-20 15:09:24,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-20 15:09:24,594 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:09:24,595 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] [2018-09-20 15:09:24,598 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:09:24,605 INFO L82 PathProgramCache]: Analyzing trace with hash -2065751243, now seen corresponding path program 1 times [2018-09-20 15:09:24,608 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:09:24,609 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:09:24,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:09:24,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:09:24,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:09:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:09:24,781 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 15:09:24,784 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:09:24,784 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:09:24,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:09:24,799 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:09:24,800 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:09:24,802 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 2 states. [2018-09-20 15:09:24,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:09:24,852 INFO L93 Difference]: Finished difference Result 260 states and 330 transitions. [2018-09-20 15:09:24,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:09:24,854 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-09-20 15:09:24,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:09:24,869 INFO L225 Difference]: With dead ends: 260 [2018-09-20 15:09:24,869 INFO L226 Difference]: Without dead ends: 130 [2018-09-20 15:09:24,875 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 15:09:24,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-09-20 15:09:24,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-09-20 15:09:24,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-09-20 15:09:24,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 147 transitions. [2018-09-20 15:09:24,932 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 147 transitions. Word has length 21 [2018-09-20 15:09:24,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:09:24,935 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 147 transitions. [2018-09-20 15:09:24,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:09:24,935 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 147 transitions. [2018-09-20 15:09:24,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-20 15:09:24,937 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:09:24,937 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] [2018-09-20 15:09:24,937 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:09:24,941 INFO L82 PathProgramCache]: Analyzing trace with hash 2088857343, now seen corresponding path program 1 times [2018-09-20 15:09:24,941 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:09:24,941 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:09:24,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:09:24,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:09:24,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:09:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:09:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:09:25,085 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:09:25,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:09:25 BoogieIcfgContainer [2018-09-20 15:09:25,153 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:09:25,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:09:25,154 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:09:25,154 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:09:25,155 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:24" (3/4) ... [2018-09-20 15:09:25,159 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:09:25,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:09:25,160 INFO L168 Benchmark]: Toolchain (without parser) took 2445.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -104.8 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:25,162 INFO L168 Benchmark]: CDTParser took 0.18 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 15:09:25,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.29 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:25,163 INFO L168 Benchmark]: Boogie Preprocessor took 89.88 ms. Allocated memory is still 1.0 GB. Free memory was 938.4 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:25,164 INFO L168 Benchmark]: RCFGBuilder took 1242.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:25,165 INFO L168 Benchmark]: TraceAbstraction took 685.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:25,166 INFO L168 Benchmark]: Witness Printer took 5.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:09:25,170 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 413.29 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 89.88 ms. Allocated memory is still 1.0 GB. Free memory was 938.4 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1242.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 685.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 233]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someUnaryDOUBLEoperation at line 147, overapproximation of bitwiseAnd at line 161, overapproximation of someUnaryFLOAToperation at line 145, overapproximation of someBinaryArithmeticFLOAToperation at line 164. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L60] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L143-L151] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=6442450967, \old(huge_floor)=6442450948, \old(one_asin)=6442450951, \old(one_sqrt)=6442450949, \old(pio2_hi_asin)=6442450950, \old(pio2_lo_asin)=6442450961, \old(pio4_hi_asin)=6442450952, \old(pS0_asin)=6442450959, \old(pS1_asin)=6442450954, \old(pS2_asin)=6442450947, \old(pS3_asin)=6442450958, \old(pS4_asin)=6442450964, \old(pS5_asin)=6442450956, \old(qS1_asin)=6442450968, \old(qS2_asin)=6442450965, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450962, \old(tiny_sqrt)=6442450963, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L228] float x = 1.0f / 0.0f; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L229] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=6442450955, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L154] float t, w, p, q, c, r, s; [L155] __int32_t hx, ix; VAL [\old(x)=6442450955, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L157] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=6442450955, gf_u={6442450966:0}, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L158] FCALL gf_u.value = (x) VAL [\old(x)=6442450955, gf_u={6442450966:0}, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L159] EXPR, FCALL gf_u.word VAL [\old(x)=6442450955, gf_u={6442450966:0}, gf_u.word=6442450944, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L159] (hx) = gf_u.word VAL [\old(x)=6442450955, gf_u={6442450966:0}, gf_u.word=6442450944, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L159] FCALL (hx) = gf_u.word VAL [(hx) = gf_u.word=6442450960, \old(x)=6442450955, gf_u={6442450966:0}, gf_u.word=6442450944, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L160] COND FALSE !(0) VAL [\old(x)=6442450955, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L161] ix = hx & 0x7fffffff VAL [\old(x)=6442450955, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L162] COND TRUE ix == 0x3f800000 [L164] RET return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=6442450955, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L229] EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450953, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L229] float res = __ieee754_asinf(x); [L232] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450953, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L58] RET return x != x; VAL [\old(x)=6442450953, \result=0, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450953] [L232] EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, isnan_float(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450953, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L232] COND TRUE !isnan_float(res) [L233] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450953, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 169 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 151 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=134occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 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 15:09:27,512 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:09:27,514 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:09:27,526 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:09:27,526 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:09:27,527 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:09:27,529 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:09:27,530 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:09:27,532 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:09:27,533 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:09:27,534 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:09:27,534 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:09:27,535 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:09:27,536 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:09:27,537 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:09:27,538 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:09:27,539 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:09:27,541 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:09:27,543 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:09:27,545 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:09:27,546 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:09:27,547 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:09:27,550 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:09:27,550 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:09:27,550 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:09:27,551 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:09:27,552 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:09:27,553 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:09:27,554 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:09:27,555 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:09:27,556 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:09:27,556 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:09:27,557 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:09:27,557 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:09:27,558 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:09:27,559 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:09:27,559 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:09:27,578 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:09:27,578 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:09:27,579 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:09:27,579 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:09:27,580 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:09:27,580 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:09:27,580 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:09:27,581 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:09:27,581 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:09:27,581 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:09:27,581 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:09:27,582 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:09:27,582 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:09:27,582 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:09:27,582 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:09:27,587 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:09:27,588 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:09:27,588 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:09:27,588 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:09:27,588 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:09:27,588 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:09:27,588 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:09:27,589 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:09:27,589 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:09:27,589 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:09:27,589 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:09:27,589 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:09:27,590 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:09:27,590 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:09:27,590 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:09:27,590 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:09:27,590 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 -> 78ea74dfa7532b5891dcf798c387cbc67437d79b [2018-09-20 15:09:27,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:09:27,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:09:27,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:09:27,680 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:09:27,680 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:09:27,681 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0250a_true-unreach-call.c [2018-09-20 15:09:28,034 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fae4cdbf/c452f6ea830a47828fb6c825676d9501/FLAG372ac1c4b [2018-09-20 15:09:28,215 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:09:28,219 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0250a_true-unreach-call.c [2018-09-20 15:09:28,237 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fae4cdbf/c452f6ea830a47828fb6c825676d9501/FLAG372ac1c4b [2018-09-20 15:09:28,267 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fae4cdbf/c452f6ea830a47828fb6c825676d9501 [2018-09-20 15:09:28,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:09:28,276 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:09:28,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:09:28,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:09:28,291 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:09:28,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:28" (1/1) ... [2018-09-20 15:09:28,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa29c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:28, skipping insertion in model container [2018-09-20 15:09:28,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:28" (1/1) ... [2018-09-20 15:09:28,310 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:09:28,705 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:09:28,738 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:09:28,840 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:09:28,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:28 WrapperNode [2018-09-20 15:09:28,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:09:28,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:09:28,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:09:28,896 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:09:28,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:28" (1/1) ... [2018-09-20 15:09:28,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:28" (1/1) ... [2018-09-20 15:09:28,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:28" (1/1) ... [2018-09-20 15:09:28,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:28" (1/1) ... [2018-09-20 15:09:28,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:28" (1/1) ... [2018-09-20 15:09:28,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:28" (1/1) ... [2018-09-20 15:09:28,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:28" (1/1) ... [2018-09-20 15:09:28,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:09:28,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:09:28,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:09:28,989 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:09:28,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:28" (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 15:09:29,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:09:29,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:09:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-09-20 15:09:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:09:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-20 15:09:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:09:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-09-20 15:09:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:09:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:09:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:09:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-09-20 15:09:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:09:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:09:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:09:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:09:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:09:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:09:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:09:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-20 15:09:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:09:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-09-20 15:09:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:09:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:09:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:09:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:09:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:09:29,499 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:29,523 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:36,324 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:36,345 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:38,778 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:38,825 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:39,330 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:39,361 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:39,431 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:39,439 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:40,030 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:09:40,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:40 BoogieIcfgContainer [2018-09-20 15:09:40,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:09:40,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:09:40,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:09:40,035 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:09:40,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:09:28" (1/3) ... [2018-09-20 15:09:40,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2974fb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:09:40, skipping insertion in model container [2018-09-20 15:09:40,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:28" (2/3) ... [2018-09-20 15:09:40,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2974fb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:09:40, skipping insertion in model container [2018-09-20 15:09:40,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:40" (3/3) ... [2018-09-20 15:09:40,039 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a_true-unreach-call.c [2018-09-20 15:09:40,049 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:09:40,057 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:09:40,109 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:09:40,110 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:09:40,110 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:09:40,110 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:09:40,111 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:09:40,111 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:09:40,111 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:09:40,111 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:09:40,111 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:09:40,133 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2018-09-20 15:09:40,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-20 15:09:40,140 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:09:40,141 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] [2018-09-20 15:09:40,144 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:09:40,149 INFO L82 PathProgramCache]: Analyzing trace with hash -117059629, now seen corresponding path program 1 times [2018-09-20 15:09:40,155 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:09:40,156 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) [2018-09-20 15:09:40,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 15:09:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:09:40,480 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:09:40,498 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 15:09:40,498 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:09:40,518 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:09:40,518 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:09:40,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:09:40,539 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:09:40,540 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:09:40,542 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2018-09-20 15:09:40,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:09:40,583 INFO L93 Difference]: Finished difference Result 258 states and 328 transitions. [2018-09-20 15:09:40,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:09:40,585 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-09-20 15:09:40,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:09:40,597 INFO L225 Difference]: With dead ends: 258 [2018-09-20 15:09:40,597 INFO L226 Difference]: Without dead ends: 129 [2018-09-20 15:09:40,602 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 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 15:09:40,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-09-20 15:09:40,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-09-20 15:09:40,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-09-20 15:09:40,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 146 transitions. [2018-09-20 15:09:40,655 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 146 transitions. Word has length 20 [2018-09-20 15:09:40,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:09:40,655 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 146 transitions. [2018-09-20 15:09:40,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:09:40,656 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 146 transitions. [2018-09-20 15:09:40,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-20 15:09:40,657 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:09:40,657 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] [2018-09-20 15:09:40,658 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:09:40,658 INFO L82 PathProgramCache]: Analyzing trace with hash 2092864102, now seen corresponding path program 1 times [2018-09-20 15:09:40,659 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:09:40,659 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 15:09:40,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:09:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:09:40,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:09:41,000 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 15:09:41,005 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 15:09:41,006 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:09:41,012 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:09:41,029 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 15:09:41,030 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:09:41,084 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 15:09:41,097 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 15:09:41,098 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:09:41,124 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:09:41,150 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 15:09:41,151 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:09:41,727 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 15:09:41,728 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:09:41,747 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:09:41,748 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:09:41,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:09:41,750 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:09:41,751 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:09:41,751 INFO L87 Difference]: Start difference. First operand 129 states and 146 transitions. Second operand 9 states. [2018-09-20 15:09:42,271 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-09-20 15:09:50,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:09:50,203 INFO L93 Difference]: Finished difference Result 142 states and 159 transitions. [2018-09-20 15:09:50,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:09:50,205 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2018-09-20 15:09:50,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:09:50,210 INFO L225 Difference]: With dead ends: 142 [2018-09-20 15:09:50,210 INFO L226 Difference]: Without dead ends: 132 [2018-09-20 15:09:50,211 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:09:50,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-09-20 15:09:50,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 129. [2018-09-20 15:09:50,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-09-20 15:09:50,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 145 transitions. [2018-09-20 15:09:50,227 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 145 transitions. Word has length 29 [2018-09-20 15:09:50,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:09:50,228 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 145 transitions. [2018-09-20 15:09:50,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:09:50,228 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 145 transitions. [2018-09-20 15:09:50,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-20 15:09:50,229 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:09:50,229 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] [2018-09-20 15:09:50,230 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:09:50,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1585216761, now seen corresponding path program 1 times [2018-09-20 15:09:50,231 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:09:50,231 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 15:09:50,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:09:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:09:50,510 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:09:53,117 WARN L178 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-09-20 15:09:55,871 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 15:09:55,872 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:09:55,891 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:09:55,891 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:09:55,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:09:55,892 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:09:55,893 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:09:55,893 INFO L87 Difference]: Start difference. First operand 129 states and 145 transitions. Second operand 9 states. [2018-09-20 15:10:00,370 WARN L178 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 9 [2018-09-20 15:10:09,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:09,875 INFO L93 Difference]: Finished difference Result 138 states and 154 transitions. [2018-09-20 15:10:09,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-20 15:10:09,876 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-09-20 15:10:09,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:09,878 INFO L225 Difference]: With dead ends: 138 [2018-09-20 15:10:09,878 INFO L226 Difference]: Without dead ends: 131 [2018-09-20 15:10:09,879 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-20 15:10:09,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-09-20 15:10:09,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2018-09-20 15:10:09,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-09-20 15:10:09,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 144 transitions. [2018-09-20 15:10:09,897 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 144 transitions. Word has length 30 [2018-09-20 15:10:09,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:09,897 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 144 transitions. [2018-09-20 15:10:09,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:09,897 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 144 transitions. [2018-09-20 15:10:09,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-20 15:10:09,900 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:09,900 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] [2018-09-20 15:10:09,900 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:09,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1154633071, now seen corresponding path program 1 times [2018-09-20 15:10:09,901 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:09,901 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 15:10:09,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 15:10:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:11,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:11,086 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 15:10:11,091 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 15:10:11,091 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:11,095 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:11,108 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 15:10:11,108 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:10:11,139 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 15:10:11,144 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 15:10:11,145 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:11,151 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:11,159 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 15:10:11,160 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:10:11,291 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 15:10:11,292 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:11,319 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:11,320 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:10:11,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:10:11,320 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:10:11,320 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:10:11,321 INFO L87 Difference]: Start difference. First operand 129 states and 144 transitions. Second operand 9 states. [2018-09-20 15:10:17,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:17,225 INFO L93 Difference]: Finished difference Result 142 states and 157 transitions. [2018-09-20 15:10:17,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:10:17,226 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-09-20 15:10:17,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:17,228 INFO L225 Difference]: With dead ends: 142 [2018-09-20 15:10:17,228 INFO L226 Difference]: Without dead ends: 108 [2018-09-20 15:10:17,229 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:10:17,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-09-20 15:10:17,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-09-20 15:10:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-09-20 15:10:17,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 120 transitions. [2018-09-20 15:10:17,247 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 120 transitions. Word has length 32 [2018-09-20 15:10:17,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:17,248 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 120 transitions. [2018-09-20 15:10:17,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:17,248 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2018-09-20 15:10:17,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-20 15:10:17,252 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:17,252 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, 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 15:10:17,252 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:17,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1692884503, now seen corresponding path program 1 times [2018-09-20 15:10:17,253 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:17,254 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 15:10:17,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:18,552 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:18,589 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 15:10:18,594 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 15:10:18,594 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:18,599 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:18,610 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 15:10:18,610 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:10:18,629 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 15:10:18,636 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 15:10:18,637 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:18,640 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:18,644 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 15:10:18,644 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:10:18,814 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 15:10:18,814 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:18,847 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:18,848 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:10:18,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:10:18,848 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:10:18,849 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:10:18,849 INFO L87 Difference]: Start difference. First operand 108 states and 120 transitions. Second operand 9 states. [2018-09-20 15:10:21,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:21,770 INFO L93 Difference]: Finished difference Result 108 states and 120 transitions. [2018-09-20 15:10:21,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:10:21,771 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2018-09-20 15:10:21,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:21,772 INFO L225 Difference]: With dead ends: 108 [2018-09-20 15:10:21,772 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:10:21,773 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:10:21,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:10:21,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:10:21,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:10:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:10:21,774 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2018-09-20 15:10:21,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:21,774 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:10:21,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:21,776 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:10:21,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:10:21,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:10:21,972 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-20 15:10:22,126 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-20 15:10:22,275 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 58) no Hoare annotation was computed. [2018-09-20 15:10:22,275 INFO L429 ceAbstractionStarter]: At program point isnan_floatENTRY(line 58) the Hoare annotation is: true [2018-09-20 15:10:22,275 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 58) no Hoare annotation was computed. [2018-09-20 15:10:22,275 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:10:22,275 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:10:22,275 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:10:22,275 INFO L426 ceAbstractionStarter]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2018-09-20 15:10:22,276 INFO L429 ceAbstractionStarter]: At program point L130-3(lines 130 134) the Hoare annotation is: true [2018-09-20 15:10:22,276 INFO L426 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 128 141) no Hoare annotation was computed. [2018-09-20 15:10:22,276 INFO L426 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2018-09-20 15:10:22,276 INFO L426 ceAbstractionStarter]: For program point L135(lines 135 139) no Hoare annotation was computed. [2018-09-20 15:10:22,276 INFO L426 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-09-20 15:10:22,277 INFO L426 ceAbstractionStarter]: For program point L135-2(lines 128 141) no Hoare annotation was computed. [2018-09-20 15:10:22,277 INFO L426 ceAbstractionStarter]: For program point L133-1(line 133) no Hoare annotation was computed. [2018-09-20 15:10:22,277 INFO L426 ceAbstractionStarter]: For program point L135-3(lines 135 139) no Hoare annotation was computed. [2018-09-20 15:10:22,277 INFO L426 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2018-09-20 15:10:22,277 INFO L426 ceAbstractionStarter]: For program point L133-2(line 133) no Hoare annotation was computed. [2018-09-20 15:10:22,277 INFO L426 ceAbstractionStarter]: For program point L131-1(line 131) no Hoare annotation was computed. [2018-09-20 15:10:22,278 INFO L426 ceAbstractionStarter]: For program point L131-2(line 131) no Hoare annotation was computed. [2018-09-20 15:10:22,278 INFO L426 ceAbstractionStarter]: For program point L131-3(line 131) no Hoare annotation was computed. [2018-09-20 15:10:22,278 INFO L426 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 128 141) no Hoare annotation was computed. [2018-09-20 15:10:22,278 INFO L429 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 128 141) the Hoare annotation is: true [2018-09-20 15:10:22,278 INFO L426 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-09-20 15:10:22,278 INFO L426 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-09-20 15:10:22,278 INFO L426 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-09-20 15:10:22,278 INFO L426 ceAbstractionStarter]: For program point L138-2(line 138) no Hoare annotation was computed. [2018-09-20 15:10:22,278 INFO L426 ceAbstractionStarter]: For program point L136-1(line 136) no Hoare annotation was computed. [2018-09-20 15:10:22,279 INFO L426 ceAbstractionStarter]: For program point L136-2(line 136) no Hoare annotation was computed. [2018-09-20 15:10:22,279 INFO L426 ceAbstractionStarter]: For program point L136-3(line 136) no Hoare annotation was computed. [2018-09-20 15:10:22,279 INFO L426 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-09-20 15:10:22,279 INFO L426 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2018-09-20 15:10:22,279 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-20 15:10:22,279 INFO L426 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-09-20 15:10:22,279 INFO L426 ceAbstractionStarter]: For program point L52-1(line 52) no Hoare annotation was computed. [2018-09-20 15:10:22,279 INFO L426 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-09-20 15:10:22,279 INFO L426 ceAbstractionStarter]: For program point L44(lines 44 47) no Hoare annotation was computed. [2018-09-20 15:10:22,280 INFO L426 ceAbstractionStarter]: For program point L24(lines 24 48) no Hoare annotation was computed. [2018-09-20 15:10:22,280 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-20 15:10:22,280 INFO L426 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-09-20 15:10:22,280 INFO L426 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-09-20 15:10:22,280 INFO L426 ceAbstractionStarter]: For program point L49(lines 49 53) no Hoare annotation was computed. [2018-09-20 15:10:22,280 INFO L426 ceAbstractionStarter]: For program point L49-2(lines 14 55) no Hoare annotation was computed. [2018-09-20 15:10:22,280 INFO L426 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-09-20 15:10:22,280 INFO L426 ceAbstractionStarter]: For program point L37(lines 37 41) no Hoare annotation was computed. [2018-09-20 15:10:22,280 INFO L426 ceAbstractionStarter]: For program point L29(lines 29 31) no Hoare annotation was computed. [2018-09-20 15:10:22,280 INFO L426 ceAbstractionStarter]: For program point floor_floatEXIT(lines 14 55) no Hoare annotation was computed. [2018-09-20 15:10:22,281 INFO L426 ceAbstractionStarter]: For program point L25(lines 25 42) no Hoare annotation was computed. [2018-09-20 15:10:22,281 INFO L426 ceAbstractionStarter]: For program point L50(line 50) no Hoare annotation was computed. [2018-09-20 15:10:22,281 INFO L426 ceAbstractionStarter]: For program point L50-1(line 50) no Hoare annotation was computed. [2018-09-20 15:10:22,281 INFO L426 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-09-20 15:10:22,281 INFO L426 ceAbstractionStarter]: For program point L50-2(line 50) no Hoare annotation was computed. [2018-09-20 15:10:22,281 INFO L426 ceAbstractionStarter]: For program point L50-3(line 50) no Hoare annotation was computed. [2018-09-20 15:10:22,281 INFO L426 ceAbstractionStarter]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2018-09-20 15:10:22,281 INFO L426 ceAbstractionStarter]: For program point L17-4(lines 17 21) no Hoare annotation was computed. [2018-09-20 15:10:22,281 INFO L426 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-09-20 15:10:22,281 INFO L426 ceAbstractionStarter]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2018-09-20 15:10:22,281 INFO L426 ceAbstractionStarter]: For program point floor_floatFINAL(lines 14 55) no Hoare annotation was computed. [2018-09-20 15:10:22,282 INFO L426 ceAbstractionStarter]: For program point L26(lines 26 32) no Hoare annotation was computed. [2018-09-20 15:10:22,282 INFO L426 ceAbstractionStarter]: For program point floor_floatENTRY(lines 14 55) no Hoare annotation was computed. [2018-09-20 15:10:22,282 INFO L426 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-09-20 15:10:22,282 INFO L426 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-09-20 15:10:22,282 INFO L426 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-09-20 15:10:22,282 INFO L426 ceAbstractionStarter]: For program point L18-2(line 18) no Hoare annotation was computed. [2018-09-20 15:10:22,282 INFO L426 ceAbstractionStarter]: For program point L18-3(line 18) no Hoare annotation was computed. [2018-09-20 15:10:22,282 INFO L426 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-09-20 15:10:22,282 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:10:22,283 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 15:10:22,283 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:10:22,283 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:10:22,283 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 221 238) the Hoare annotation is: true [2018-09-20 15:10:22,283 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 221 238) no Hoare annotation was computed. [2018-09-20 15:10:22,283 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2018-09-20 15:10:22,283 INFO L426 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2018-09-20 15:10:22,283 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 221 238) no Hoare annotation was computed. [2018-09-20 15:10:22,284 INFO L422 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)))) (and (= .cse0 main_~x~0) (= (let ((.cse1 (fp.sub RNE .cse0 .cse0))) (fp.div RNE .cse1 .cse1)) main_~res~0))) [2018-09-20 15:10:22,284 INFO L426 ceAbstractionStarter]: For program point L232-1(lines 232 235) no Hoare annotation was computed. [2018-09-20 15:10:22,284 INFO L422 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (= (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)) main_~x~0) [2018-09-20 15:10:22,284 INFO L426 ceAbstractionStarter]: For program point L229-1(line 229) no Hoare annotation was computed. [2018-09-20 15:10:22,284 INFO L422 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~3))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvsgt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) [2018-09-20 15:10:22,284 INFO L426 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-09-20 15:10:22,284 INFO L426 ceAbstractionStarter]: For program point L192-1(line 192) no Hoare annotation was computed. [2018-09-20 15:10:22,284 INFO L426 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-09-20 15:10:22,285 INFO L426 ceAbstractionStarter]: For program point L159-2(line 159) no Hoare annotation was computed. [2018-09-20 15:10:22,285 INFO L426 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-09-20 15:10:22,285 INFO L426 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-09-20 15:10:22,285 INFO L426 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2018-09-20 15:10:22,285 INFO L426 ceAbstractionStarter]: For program point L205-2(line 205) no Hoare annotation was computed. [2018-09-20 15:10:22,285 INFO L426 ceAbstractionStarter]: For program point L205-3(line 205) no Hoare annotation was computed. [2018-09-20 15:10:22,285 INFO L426 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-09-20 15:10:22,285 INFO L426 ceAbstractionStarter]: For program point L168(lines 168 181) no Hoare annotation was computed. [2018-09-20 15:10:22,285 INFO L426 ceAbstractionStarter]: For program point L193(lines 193 214) no Hoare annotation was computed. [2018-09-20 15:10:22,285 INFO L426 ceAbstractionStarter]: For program point L193-2(lines 153 219) no Hoare annotation was computed. [2018-09-20 15:10:22,286 INFO L426 ceAbstractionStarter]: For program point L156-1(lines 156 160) no Hoare annotation was computed. [2018-09-20 15:10:22,286 INFO L422 ceAbstractionStarter]: At program point L156-3(lines 156 160) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-09-20 15:10:22,286 INFO L426 ceAbstractionStarter]: For program point L156-4(lines 156 160) no Hoare annotation was computed. [2018-09-20 15:10:22,286 INFO L426 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2018-09-20 15:10:22,286 INFO L426 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-09-20 15:10:22,286 INFO L426 ceAbstractionStarter]: For program point L169(lines 169 170) no Hoare annotation was computed. [2018-09-20 15:10:22,286 INFO L426 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2018-09-20 15:10:22,286 INFO L426 ceAbstractionStarter]: For program point L202-2(line 202) no Hoare annotation was computed. [2018-09-20 15:10:22,286 INFO L426 ceAbstractionStarter]: For program point L165(lines 165 182) no Hoare annotation was computed. [2018-09-20 15:10:22,286 INFO L426 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-09-20 15:10:22,287 INFO L426 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-09-20 15:10:22,287 INFO L426 ceAbstractionStarter]: For program point L157-2(line 157) no Hoare annotation was computed. [2018-09-20 15:10:22,287 INFO L426 ceAbstractionStarter]: For program point L157-3(line 157) no Hoare annotation was computed. [2018-09-20 15:10:22,287 INFO L429 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 153 219) the Hoare annotation is: true [2018-09-20 15:10:22,287 INFO L426 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2018-09-20 15:10:22,287 INFO L426 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2018-09-20 15:10:22,287 INFO L426 ceAbstractionStarter]: For program point L207-2(line 207) no Hoare annotation was computed. [2018-09-20 15:10:22,287 INFO L426 ceAbstractionStarter]: For program point L199-1(lines 199 203) no Hoare annotation was computed. [2018-09-20 15:10:22,288 INFO L422 ceAbstractionStarter]: At program point L199-3(lines 199 203) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~3))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvsgt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) [2018-09-20 15:10:22,288 INFO L426 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 153 219) no Hoare annotation was computed. [2018-09-20 15:10:22,288 INFO L426 ceAbstractionStarter]: For program point L162(lines 162 182) no Hoare annotation was computed. [2018-09-20 15:10:22,288 INFO L426 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-09-20 15:10:22,288 INFO L426 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 153 219) no Hoare annotation was computed. [2018-09-20 15:10:22,288 INFO L426 ceAbstractionStarter]: For program point L204(lines 204 208) no Hoare annotation was computed. [2018-09-20 15:10:22,288 INFO L426 ceAbstractionStarter]: For program point L204-2(lines 196 214) no Hoare annotation was computed. [2018-09-20 15:10:22,288 INFO L426 ceAbstractionStarter]: For program point L204-3(lines 204 208) no Hoare annotation was computed. [2018-09-20 15:10:22,288 INFO L426 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-09-20 15:10:22,288 INFO L426 ceAbstractionStarter]: For program point L167(lines 167 182) no Hoare annotation was computed. [2018-09-20 15:10:22,289 INFO L426 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-09-20 15:10:22,289 INFO L422 ceAbstractionStarter]: At program point L167-1(lines 167 182) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~3))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvsgt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) [2018-09-20 15:10:22,289 INFO L426 ceAbstractionStarter]: For program point L200-2(line 200) no Hoare annotation was computed. [2018-09-20 15:10:22,289 INFO L426 ceAbstractionStarter]: For program point L200-3(line 200) no Hoare annotation was computed. [2018-09-20 15:10:22,289 INFO L426 ceAbstractionStarter]: For program point L68-3(line 68) no Hoare annotation was computed. [2018-09-20 15:10:22,289 INFO L426 ceAbstractionStarter]: For program point L77(lines 77 78) no Hoare annotation was computed. [2018-09-20 15:10:22,289 INFO L426 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-09-20 15:10:22,289 INFO L429 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 62 127) the Hoare annotation is: true [2018-09-20 15:10:22,289 INFO L426 ceAbstractionStarter]: For program point L111(lines 111 117) no Hoare annotation was computed. [2018-09-20 15:10:22,290 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 62 127) no Hoare annotation was computed. [2018-09-20 15:10:22,290 INFO L426 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-09-20 15:10:22,290 INFO L426 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2018-09-20 15:10:22,290 INFO L426 ceAbstractionStarter]: For program point L70-2(line 70) no Hoare annotation was computed. [2018-09-20 15:10:22,290 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 62 127) no Hoare annotation was computed. [2018-09-20 15:10:22,290 INFO L426 ceAbstractionStarter]: For program point L79(lines 79 80) no Hoare annotation was computed. [2018-09-20 15:10:22,290 INFO L426 ceAbstractionStarter]: For program point L121-1(lines 121 125) no Hoare annotation was computed. [2018-09-20 15:10:22,290 INFO L429 ceAbstractionStarter]: At program point L121-3(lines 121 125) the Hoare annotation is: true [2018-09-20 15:10:22,290 INFO L426 ceAbstractionStarter]: For program point L121-4(lines 121 125) no Hoare annotation was computed. [2018-09-20 15:10:22,290 INFO L426 ceAbstractionStarter]: For program point L113(lines 113 116) no Hoare annotation was computed. [2018-09-20 15:10:22,290 INFO L426 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-09-20 15:10:22,291 INFO L426 ceAbstractionStarter]: For program point L122-1(line 122) no Hoare annotation was computed. [2018-09-20 15:10:22,291 INFO L426 ceAbstractionStarter]: For program point L122-2(line 122) no Hoare annotation was computed. [2018-09-20 15:10:22,291 INFO L426 ceAbstractionStarter]: For program point L122-3(line 122) no Hoare annotation was computed. [2018-09-20 15:10:22,291 INFO L426 ceAbstractionStarter]: For program point L98-1(lines 98 107) no Hoare annotation was computed. [2018-09-20 15:10:22,291 INFO L429 ceAbstractionStarter]: At program point L98-3(lines 98 107) the Hoare annotation is: true [2018-09-20 15:10:22,291 INFO L426 ceAbstractionStarter]: For program point L98-4(lines 62 127) no Hoare annotation was computed. [2018-09-20 15:10:22,291 INFO L426 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-09-20 15:10:22,291 INFO L426 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-09-20 15:10:22,291 INFO L426 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-09-20 15:10:22,291 INFO L426 ceAbstractionStarter]: For program point L74(lines 74 75) no Hoare annotation was computed. [2018-09-20 15:10:22,291 INFO L426 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-09-20 15:10:22,292 INFO L426 ceAbstractionStarter]: For program point L124-1(line 124) no Hoare annotation was computed. [2018-09-20 15:10:22,292 INFO L426 ceAbstractionStarter]: For program point L124-2(line 124) no Hoare annotation was computed. [2018-09-20 15:10:22,292 INFO L426 ceAbstractionStarter]: For program point L83(lines 83 87) no Hoare annotation was computed. [2018-09-20 15:10:22,292 INFO L426 ceAbstractionStarter]: For program point L83-2(lines 83 87) no Hoare annotation was computed. [2018-09-20 15:10:22,292 INFO L426 ceAbstractionStarter]: For program point L100(lines 100 104) no Hoare annotation was computed. [2018-09-20 15:10:22,292 INFO L426 ceAbstractionStarter]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2018-09-20 15:10:22,292 INFO L426 ceAbstractionStarter]: For program point L100-2(lines 100 104) no Hoare annotation was computed. [2018-09-20 15:10:22,292 INFO L429 ceAbstractionStarter]: At program point L67-3(lines 67 71) the Hoare annotation is: true [2018-09-20 15:10:22,292 INFO L426 ceAbstractionStarter]: For program point L67-4(lines 67 71) no Hoare annotation was computed. [2018-09-20 15:10:22,292 INFO L426 ceAbstractionStarter]: For program point L84-1(lines 84 85) no Hoare annotation was computed. [2018-09-20 15:10:22,293 INFO L426 ceAbstractionStarter]: For program point L84-3(lines 84 85) no Hoare annotation was computed. [2018-09-20 15:10:22,293 INFO L429 ceAbstractionStarter]: At program point L84-4(lines 84 85) the Hoare annotation is: true [2018-09-20 15:10:22,293 INFO L426 ceAbstractionStarter]: For program point L84-5(lines 84 85) no Hoare annotation was computed. [2018-09-20 15:10:22,293 INFO L426 ceAbstractionStarter]: For program point L109(lines 109 118) no Hoare annotation was computed. [2018-09-20 15:10:22,293 INFO L426 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-09-20 15:10:22,293 INFO L426 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-09-20 15:10:22,293 INFO L426 ceAbstractionStarter]: For program point L68-2(line 68) no Hoare annotation was computed. [2018-09-20 15:10:22,301 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,303 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,303 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,303 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,303 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,303 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,303 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,304 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,310 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,311 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,311 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,311 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,311 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,311 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,311 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,312 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:10:22 BoogieIcfgContainer [2018-09-20 15:10:22,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:10:22,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:10:22,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:10:22,319 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:10:22,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:40" (3/4) ... [2018-09-20 15:10:22,327 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:10:22,334 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-09-20 15:10:22,335 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:10:22,335 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-09-20 15:10:22,335 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure floor_float [2018-09-20 15:10:22,335 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:10:22,336 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-09-20 15:10:22,336 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-09-20 15:10:22,347 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-09-20 15:10:22,348 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-09-20 15:10:22,348 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-09-20 15:10:22,377 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-09-20 15:10:22,378 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvsgt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 1065353216bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) [2018-09-20 15:10:22,458 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:10:22,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:10:22,464 INFO L168 Benchmark]: Toolchain (without parser) took 54190.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.2 MB). Free memory was 953.2 MB in the beginning and 1.2 GB in the end (delta: -211.0 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:10:22,465 INFO L168 Benchmark]: CDTParser took 0.51 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 15:10:22,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.68 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 931.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:10:22,465 INFO L168 Benchmark]: Boogie Preprocessor took 93.23 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:10:22,466 INFO L168 Benchmark]: RCFGBuilder took 11041.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:10:22,466 INFO L168 Benchmark]: TraceAbstraction took 42286.84 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -59.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:10:22,466 INFO L168 Benchmark]: Witness Printer took 140.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:10:22,474 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 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 616.68 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 931.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 93.23 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 11041.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 42286.84 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -59.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 140.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 233]: 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: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant [2018-09-20 15:10:22,480 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,480 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,480 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,480 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,481 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,481 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,481 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,481 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,490 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,490 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,491 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,491 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,491 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,491 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,491 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:22,495 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvsgt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 1065353216bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 168 locations, 1 error locations. SAFE Result, 42.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 31.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 643 SDtfs, 362 SDslu, 3039 SDs, 0 SdLazy, 392 SolverSat, 29 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 23.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 12.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 30 PreInvPairs, 40 NumberOfFragments, 203 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 182 ConstructedInterpolants, 20 QuantifiedInterpolants, 42329 SizeOfPredicates, 28 NumberOfNonLiveVariables, 649 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...