./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0250b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer --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 4dddb731074a9a249891d6adbc7c778d25efe28d ....................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer --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 4dddb731074a9a249891d6adbc7c778d25efe28d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-09 23:18:15,750 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:18:15,751 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:18:15,759 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:18:15,759 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:18:15,760 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:18:15,760 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:18:15,762 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:18:15,763 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:18:15,763 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:18:15,764 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:18:15,764 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:18:15,765 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:18:15,765 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:18:15,766 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:18:15,766 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:18:15,767 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:18:15,768 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:18:15,769 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:18:15,770 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:18:15,771 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:18:15,772 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:18:15,773 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:18:15,773 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:18:15,774 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:18:15,774 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:18:15,775 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:18:15,775 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:18:15,776 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:18:15,777 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:18:15,777 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:18:15,777 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:18:15,778 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:18:15,778 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:18:15,778 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:18:15,779 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:18:15,779 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-09 23:18:15,786 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:18:15,786 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:18:15,786 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 23:18:15,787 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 23:18:15,787 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:18:15,787 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:18:15,787 INFO L133 SettingsManager]: * Use SBE=true [2018-11-09 23:18:15,787 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:18:15,787 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:18:15,788 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 23:18:15,788 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:18:15,788 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:18:15,788 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 23:18:15,788 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 23:18:15,788 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 23:18:15,788 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:18:15,789 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:18:15,789 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 23:18:15,789 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:18:15,789 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-09 23:18:15,789 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 23:18:15,789 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-09 23:18:15,789 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-09 23:18:15,790 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:18:15,790 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 23:18:15,790 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 23:18:15,790 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-09 23:18:15,790 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 23:18:15,790 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-09 23:18:15,790 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer 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 -> 4dddb731074a9a249891d6adbc7c778d25efe28d [2018-11-09 23:18:15,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:18:15,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:18:15,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:18:15,826 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:18:15,826 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:18:15,827 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0250b_true-unreach-call.c [2018-11-09 23:18:15,869 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/data/4ede11b89/bc870c98bd5e495c8ee707e61c6ace40/FLAGb419fd1ef [2018-11-09 23:18:16,262 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:18:16,263 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/sv-benchmarks/c/float-newlib/float_req_bl_0250b_true-unreach-call.c [2018-11-09 23:18:16,267 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/data/4ede11b89/bc870c98bd5e495c8ee707e61c6ace40/FLAGb419fd1ef [2018-11-09 23:18:16,278 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/data/4ede11b89/bc870c98bd5e495c8ee707e61c6ace40 [2018-11-09 23:18:16,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:18:16,282 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-09 23:18:16,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:18:16,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:18:16,286 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:18:16,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:18:16" (1/1) ... [2018-11-09 23:18:16,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbc8502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:16, skipping insertion in model container [2018-11-09 23:18:16,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:18:16" (1/1) ... [2018-11-09 23:18:16,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:18:16,314 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:18:16,437 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:18:16,439 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:18:16,469 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:18:16,487 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:18:16,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:16 WrapperNode [2018-11-09 23:18:16,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:18:16,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:18:16,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:18:16,489 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:18:16,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:16" (1/1) ... [2018-11-09 23:18:16,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:16" (1/1) ... [2018-11-09 23:18:16,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:16" (1/1) ... [2018-11-09 23:18:16,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:16" (1/1) ... [2018-11-09 23:18:16,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:16" (1/1) ... [2018-11-09 23:18:16,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:16" (1/1) ... [2018-11-09 23:18:16,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:16" (1/1) ... [2018-11-09 23:18:16,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:18:16,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:18:16,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:18:16,568 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:18:16,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-09 23:18:16,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-09 23:18:16,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:18:16,599 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-11-09 23:18:16,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-09 23:18:16,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-09 23:18:16,599 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-09 23:18:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-09 23:18:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-09 23:18:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-09 23:18:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-09 23:18:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-11-09 23:18:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-09 23:18:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-09 23:18:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-09 23:18:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-09 23:18:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-09 23:18:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-09 23:18:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-09 23:18:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-09 23:18:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-09 23:18:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-09 23:18:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-09 23:18:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-09 23:18:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:18:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-09 23:18:16,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-09 23:18:17,027 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:18:17,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:18:17 BoogieIcfgContainer [2018-11-09 23:18:17,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:18:17,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-09 23:18:17,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-09 23:18:17,030 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-09 23:18:17,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:18:16" (1/3) ... [2018-11-09 23:18:17,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2446443f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:18:17, skipping insertion in model container [2018-11-09 23:18:17,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:16" (2/3) ... [2018-11-09 23:18:17,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2446443f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:18:17, skipping insertion in model container [2018-11-09 23:18:17,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:18:17" (3/3) ... [2018-11-09 23:18:17,033 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250b_true-unreach-call.c [2018-11-09 23:18:17,041 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-09 23:18:17,048 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-09 23:18:17,060 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-09 23:18:17,087 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-09 23:18:17,088 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-09 23:18:17,088 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-09 23:18:17,088 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-09 23:18:17,088 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-09 23:18:17,088 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-09 23:18:17,088 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-09 23:18:17,088 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-09 23:18:17,089 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-09 23:18:17,105 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2018-11-09 23:18:17,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-09 23:18:17,110 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:18:17,111 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 23:18:17,113 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:18:17,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:18:17,118 INFO L82 PathProgramCache]: Analyzing trace with hash -2065751243, now seen corresponding path program 1 times [2018-11-09 23:18:17,119 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:18:17,120 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:18:17,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:18:17,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:18:17,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:18:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:18:17,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:18:17,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 23:18:17,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-09 23:18:17,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-09 23:18:17,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-09 23:18:17,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-09 23:18:17,248 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 2 states. [2018-11-09 23:18:17,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:18:17,273 INFO L93 Difference]: Finished difference Result 260 states and 330 transitions. [2018-11-09 23:18:17,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-09 23:18:17,274 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-09 23:18:17,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:18:17,281 INFO L225 Difference]: With dead ends: 260 [2018-11-09 23:18:17,281 INFO L226 Difference]: Without dead ends: 130 [2018-11-09 23:18:17,284 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-09 23:18:17,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-09 23:18:17,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-09 23:18:17,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-09 23:18:17,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 147 transitions. [2018-11-09 23:18:17,315 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 147 transitions. Word has length 21 [2018-11-09 23:18:17,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:18:17,316 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 147 transitions. [2018-11-09 23:18:17,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-09 23:18:17,316 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 147 transitions. [2018-11-09 23:18:17,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-09 23:18:17,317 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:18:17,317 INFO L375 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] [2018-11-09 23:18:17,317 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:18:17,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:18:17,318 INFO L82 PathProgramCache]: Analyzing trace with hash 2088857343, now seen corresponding path program 1 times [2018-11-09 23:18:17,318 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:18:17,318 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:18:17,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:18:17,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:18:17,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:18:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:18:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:18:17,389 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-09 23:18:17,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:18:17 BoogieIcfgContainer [2018-11-09 23:18:17,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-09 23:18:17,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 23:18:17,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 23:18:17,420 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 23:18:17,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:18:17" (3/4) ... [2018-11-09 23:18:17,424 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-09 23:18:17,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 23:18:17,425 INFO L168 Benchmark]: Toolchain (without parser) took 1143.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -95.9 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2018-11-09 23:18:17,426 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:18:17,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.43 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 944.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-09 23:18:17,427 INFO L168 Benchmark]: Boogie Preprocessor took 79.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -197.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-09 23:18:17,427 INFO L168 Benchmark]: RCFGBuilder took 459.40 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: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. [2018-11-09 23:18:17,428 INFO L168 Benchmark]: TraceAbstraction took 392.36 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: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:18:17,428 INFO L168 Benchmark]: Witness Printer took 3.83 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. [2018-11-09 23:18:17,430 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 205.43 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 944.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -197.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 459.40 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: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 392.36 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: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.83 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 [(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, 0.3s 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 0.1.23-1dbac8b [2018-11-09 23:18:18,828 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:18:18,829 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:18:18,837 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:18:18,837 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:18:18,838 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:18:18,839 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:18:18,840 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:18:18,841 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:18:18,841 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:18:18,842 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:18:18,842 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:18:18,843 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:18:18,843 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:18:18,844 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:18:18,844 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:18:18,845 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:18:18,846 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:18:18,847 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:18:18,848 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:18:18,849 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:18:18,850 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:18:18,851 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:18:18,852 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:18:18,852 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:18:18,852 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:18:18,853 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:18:18,853 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:18:18,854 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:18:18,855 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:18:18,855 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:18:18,855 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:18:18,855 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:18:18,856 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:18:18,856 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:18:18,857 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:18:18,857 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-09 23:18:18,867 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:18:18,867 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:18:18,867 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 23:18:18,868 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 23:18:18,868 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:18:18,868 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:18:18,868 INFO L133 SettingsManager]: * Use SBE=true [2018-11-09 23:18:18,868 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:18:18,869 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:18:18,869 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:18:18,869 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:18:18,869 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 23:18:18,869 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 23:18:18,869 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 23:18:18,869 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-09 23:18:18,869 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-09 23:18:18,870 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:18:18,870 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:18:18,870 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 23:18:18,870 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:18:18,870 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-09 23:18:18,870 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 23:18:18,870 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-09 23:18:18,871 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-09 23:18:18,871 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:18:18,871 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 23:18:18,871 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 23:18:18,871 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-09 23:18:18,871 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 23:18:18,871 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-09 23:18:18,871 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-09 23:18:18,872 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer 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 -> 4dddb731074a9a249891d6adbc7c778d25efe28d [2018-11-09 23:18:18,901 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:18:18,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:18:18,912 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:18:18,914 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:18:18,914 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:18:18,914 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0250b_true-unreach-call.c [2018-11-09 23:18:18,957 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/data/341b24231/a07a9134b0584ed6a22931f9aff1105f/FLAGdab1670fe [2018-11-09 23:18:19,365 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:18:19,366 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/sv-benchmarks/c/float-newlib/float_req_bl_0250b_true-unreach-call.c [2018-11-09 23:18:19,371 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/data/341b24231/a07a9134b0584ed6a22931f9aff1105f/FLAGdab1670fe [2018-11-09 23:18:19,381 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/data/341b24231/a07a9134b0584ed6a22931f9aff1105f [2018-11-09 23:18:19,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:18:19,384 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-09 23:18:19,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:18:19,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:18:19,388 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:18:19,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:18:19" (1/1) ... [2018-11-09 23:18:19,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2635eeab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:19, skipping insertion in model container [2018-11-09 23:18:19,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:18:19" (1/1) ... [2018-11-09 23:18:19,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:18:19,418 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:18:19,569 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:18:19,573 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:18:19,616 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:18:19,637 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:18:19,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:19 WrapperNode [2018-11-09 23:18:19,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:18:19,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:18:19,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:18:19,639 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:18:19,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:19" (1/1) ... [2018-11-09 23:18:19,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:19" (1/1) ... [2018-11-09 23:18:19,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:19" (1/1) ... [2018-11-09 23:18:19,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:19" (1/1) ... [2018-11-09 23:18:19,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:19" (1/1) ... [2018-11-09 23:18:19,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:19" (1/1) ... [2018-11-09 23:18:19,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:19" (1/1) ... [2018-11-09 23:18:19,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:18:19,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:18:19,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:18:19,692 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:18:19,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-09 23:18:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-09 23:18:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:18:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-11-09 23:18:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-09 23:18:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-09 23:18:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-09 23:18:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-09 23:18:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-09 23:18:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-09 23:18:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-09 23:18:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-11-09 23:18:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-09 23:18:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-09 23:18:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-09 23:18:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-09 23:18:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-09 23:18:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-09 23:18:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-09 23:18:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-09 23:18:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-09 23:18:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-09 23:18:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-09 23:18:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-09 23:18:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:18:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-09 23:18:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-09 23:18:19,929 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-09 23:18:19,935 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-09 23:18:26,804 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-09 23:18:26,826 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-09 23:18:29,012 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-09 23:18:29,018 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-09 23:18:29,334 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-09 23:18:29,340 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-09 23:18:29,370 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-09 23:18:29,374 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-09 23:18:29,934 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:18:29,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:18:29 BoogieIcfgContainer [2018-11-09 23:18:29,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:18:29,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-09 23:18:29,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-09 23:18:29,937 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-09 23:18:29,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:18:19" (1/3) ... [2018-11-09 23:18:29,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186925b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:18:29, skipping insertion in model container [2018-11-09 23:18:29,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:19" (2/3) ... [2018-11-09 23:18:29,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186925b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:18:29, skipping insertion in model container [2018-11-09 23:18:29,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:18:29" (3/3) ... [2018-11-09 23:18:29,939 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250b_true-unreach-call.c [2018-11-09 23:18:29,945 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-09 23:18:29,949 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-09 23:18:29,957 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-09 23:18:29,975 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-09 23:18:29,975 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-09 23:18:29,975 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-09 23:18:29,975 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-09 23:18:29,975 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-09 23:18:29,975 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-09 23:18:29,976 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-09 23:18:29,976 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-09 23:18:29,976 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-09 23:18:29,986 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2018-11-09 23:18:29,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-09 23:18:29,991 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:18:29,991 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 23:18:29,993 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:18:29,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:18:29,996 INFO L82 PathProgramCache]: Analyzing trace with hash -117059629, now seen corresponding path program 1 times [2018-11-09 23:18:29,998 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-09 23:18:29,999 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-09 23:18:30,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:18:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:18:30,226 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:18:30,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:18:30,242 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-09 23:18:30,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 23:18:30,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-09 23:18:30,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-09 23:18:30,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-09 23:18:30,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-09 23:18:30,270 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2018-11-09 23:18:30,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:18:30,300 INFO L93 Difference]: Finished difference Result 258 states and 328 transitions. [2018-11-09 23:18:30,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-09 23:18:30,300 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-11-09 23:18:30,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:18:30,308 INFO L225 Difference]: With dead ends: 258 [2018-11-09 23:18:30,309 INFO L226 Difference]: Without dead ends: 129 [2018-11-09 23:18:30,311 INFO L605 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 [2018-11-09 23:18:30,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-09 23:18:30,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-11-09 23:18:30,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-09 23:18:30,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 146 transitions. [2018-11-09 23:18:30,343 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 146 transitions. Word has length 20 [2018-11-09 23:18:30,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:18:30,343 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 146 transitions. [2018-11-09 23:18:30,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-09 23:18:30,344 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 146 transitions. [2018-11-09 23:18:30,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-09 23:18:30,344 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:18:30,344 INFO L375 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] [2018-11-09 23:18:30,345 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:18:30,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:18:30,345 INFO L82 PathProgramCache]: Analyzing trace with hash 2092864102, now seen corresponding path program 1 times [2018-11-09 23:18:30,346 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-09 23:18:30,347 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-09 23:18:30,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:18:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:18:30,529 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:18:30,572 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 [2018-11-09 23:18:30,574 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 [2018-11-09 23:18:30,575 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:18:30,579 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:18:30,585 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:18:30,586 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-09 23:18:30,599 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 [2018-11-09 23:18:30,602 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 [2018-11-09 23:18:30,602 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:18:30,604 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:18:30,606 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:18:30,606 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-09 23:18:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:18:30,742 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-09 23:18:30,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 23:18:30,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-09 23:18:30,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-09 23:18:30,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-09 23:18:30,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-09 23:18:30,757 INFO L87 Difference]: Start difference. First operand 129 states and 146 transitions. Second operand 9 states. [2018-11-09 23:18:37,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:18:37,820 INFO L93 Difference]: Finished difference Result 142 states and 159 transitions. [2018-11-09 23:18:37,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-09 23:18:37,821 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2018-11-09 23:18:37,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:18:37,824 INFO L225 Difference]: With dead ends: 142 [2018-11-09 23:18:37,824 INFO L226 Difference]: Without dead ends: 132 [2018-11-09 23:18:37,825 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-11-09 23:18:37,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-09 23:18:37,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 129. [2018-11-09 23:18:37,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-09 23:18:37,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 145 transitions. [2018-11-09 23:18:37,833 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 145 transitions. Word has length 29 [2018-11-09 23:18:37,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:18:37,833 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 145 transitions. [2018-11-09 23:18:37,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-09 23:18:37,834 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 145 transitions. [2018-11-09 23:18:37,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-09 23:18:37,834 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:18:37,834 INFO L375 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] [2018-11-09 23:18:37,835 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:18:37,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:18:37,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1585216761, now seen corresponding path program 1 times [2018-11-09 23:18:37,835 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-09 23:18:37,836 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/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 [2018-11-09 23:18:37,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:18:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:18:38,030 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:18:39,979 WARN L179 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-11-09 23:18:42,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:18:42,033 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-09 23:18:42,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 23:18:42,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-09 23:18:42,047 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-09 23:18:42,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-09 23:18:42,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-09 23:18:42,047 INFO L87 Difference]: Start difference. First operand 129 states and 145 transitions. Second operand 9 states. [2018-11-09 23:18:45,341 WARN L179 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-09 23:18:51,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:18:51,949 INFO L93 Difference]: Finished difference Result 138 states and 154 transitions. [2018-11-09 23:18:51,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-09 23:18:51,949 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-11-09 23:18:51,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:18:51,950 INFO L225 Difference]: With dead ends: 138 [2018-11-09 23:18:51,950 INFO L226 Difference]: Without dead ends: 131 [2018-11-09 23:18:51,951 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-09 23:18:51,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-09 23:18:51,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2018-11-09 23:18:51,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-09 23:18:51,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 144 transitions. [2018-11-09 23:18:51,959 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 144 transitions. Word has length 30 [2018-11-09 23:18:51,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:18:51,960 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 144 transitions. [2018-11-09 23:18:51,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-09 23:18:51,960 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 144 transitions. [2018-11-09 23:18:51,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-09 23:18:51,960 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 23:18:51,960 INFO L375 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] [2018-11-09 23:18:51,961 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 23:18:51,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:18:51,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1154633071, now seen corresponding path program 1 times [2018-11-09 23:18:51,961 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-09 23:18:51,961 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-09 23:18:51,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:18:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:18:52,925 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:18:52,964 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 [2018-11-09 23:18:52,968 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 [2018-11-09 23:18:52,968 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:18:52,973 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:18:52,983 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:18:52,984 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-09 23:18:53,004 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 [2018-11-09 23:18:53,007 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 [2018-11-09 23:18:53,007 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-09 23:18:53,010 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:18:53,011 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-09 23:18:53,012 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-09 23:18:53,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:18:53,094 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-09 23:18:53,110 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 23:18:53,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-09 23:18:53,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-09 23:18:53,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-09 23:18:53,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-09 23:18:53,111 INFO L87 Difference]: Start difference. First operand 129 states and 144 transitions. Second operand 9 states. [2018-11-09 23:18:57,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 23:18:57,788 INFO L93 Difference]: Finished difference Result 131 states and 146 transitions. [2018-11-09 23:18:57,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-09 23:18:57,789 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-11-09 23:18:57,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 23:18:57,789 INFO L225 Difference]: With dead ends: 131 [2018-11-09 23:18:57,789 INFO L226 Difference]: Without dead ends: 0 [2018-11-09 23:18:57,790 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-11-09 23:18:57,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-09 23:18:57,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-09 23:18:57,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-09 23:18:57,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-09 23:18:57,790 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-11-09 23:18:57,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 23:18:57,791 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-09 23:18:57,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-09 23:18:57,791 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-09 23:18:57,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-09 23:18:57,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-09 23:18:57,954 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 58) no Hoare annotation was computed. [2018-11-09 23:18:57,955 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 58) the Hoare annotation is: true [2018-11-09 23:18:57,955 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 58) no Hoare annotation was computed. [2018-11-09 23:18:57,955 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-09 23:18:57,955 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-09 23:18:57,955 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-09 23:18:57,955 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2018-11-09 23:18:57,955 INFO L428 ceAbstractionStarter]: At program point L130-3(lines 130 134) the Hoare annotation is: true [2018-11-09 23:18:57,955 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 128 141) no Hoare annotation was computed. [2018-11-09 23:18:57,955 INFO L425 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2018-11-09 23:18:57,956 INFO L425 ceAbstractionStarter]: For program point L135(lines 135 139) no Hoare annotation was computed. [2018-11-09 23:18:57,956 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-09 23:18:57,956 INFO L425 ceAbstractionStarter]: For program point L135-2(lines 128 141) no Hoare annotation was computed. [2018-11-09 23:18:57,956 INFO L425 ceAbstractionStarter]: For program point L133-1(line 133) no Hoare annotation was computed. [2018-11-09 23:18:57,956 INFO L425 ceAbstractionStarter]: For program point L135-3(lines 135 139) no Hoare annotation was computed. [2018-11-09 23:18:57,956 INFO L425 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2018-11-09 23:18:57,956 INFO L425 ceAbstractionStarter]: For program point L133-2(line 133) no Hoare annotation was computed. [2018-11-09 23:18:57,956 INFO L425 ceAbstractionStarter]: For program point L131-1(line 131) no Hoare annotation was computed. [2018-11-09 23:18:57,956 INFO L425 ceAbstractionStarter]: For program point L131-2(line 131) no Hoare annotation was computed. [2018-11-09 23:18:57,956 INFO L425 ceAbstractionStarter]: For program point L131-3(line 131) no Hoare annotation was computed. [2018-11-09 23:18:57,957 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 128 141) no Hoare annotation was computed. [2018-11-09 23:18:57,957 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 128 141) the Hoare annotation is: true [2018-11-09 23:18:57,957 INFO L425 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-11-09 23:18:57,957 INFO L425 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-11-09 23:18:57,957 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-09 23:18:57,957 INFO L425 ceAbstractionStarter]: For program point L138-2(line 138) no Hoare annotation was computed. [2018-11-09 23:18:57,957 INFO L425 ceAbstractionStarter]: For program point L136-1(line 136) no Hoare annotation was computed. [2018-11-09 23:18:57,957 INFO L425 ceAbstractionStarter]: For program point L136-2(line 136) no Hoare annotation was computed. [2018-11-09 23:18:57,957 INFO L425 ceAbstractionStarter]: For program point L136-3(line 136) no Hoare annotation was computed. [2018-11-09 23:18:57,957 INFO L425 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-11-09 23:18:57,958 INFO L425 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2018-11-09 23:18:57,958 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-09 23:18:57,958 INFO L425 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-11-09 23:18:57,958 INFO L425 ceAbstractionStarter]: For program point L52-1(line 52) no Hoare annotation was computed. [2018-11-09 23:18:57,958 INFO L425 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-11-09 23:18:57,958 INFO L425 ceAbstractionStarter]: For program point L44(lines 44 47) no Hoare annotation was computed. [2018-11-09 23:18:57,958 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 48) no Hoare annotation was computed. [2018-11-09 23:18:57,958 INFO L425 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-09 23:18:57,958 INFO L425 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-11-09 23:18:57,958 INFO L425 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-11-09 23:18:57,958 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 53) no Hoare annotation was computed. [2018-11-09 23:18:57,959 INFO L425 ceAbstractionStarter]: For program point L49-2(lines 14 55) no Hoare annotation was computed. [2018-11-09 23:18:57,959 INFO L425 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-11-09 23:18:57,959 INFO L425 ceAbstractionStarter]: For program point L37(lines 37 41) no Hoare annotation was computed. [2018-11-09 23:18:57,959 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 31) no Hoare annotation was computed. [2018-11-09 23:18:57,959 INFO L425 ceAbstractionStarter]: For program point floor_floatEXIT(lines 14 55) no Hoare annotation was computed. [2018-11-09 23:18:57,959 INFO L425 ceAbstractionStarter]: For program point L25(lines 25 42) no Hoare annotation was computed. [2018-11-09 23:18:57,959 INFO L425 ceAbstractionStarter]: For program point L50(line 50) no Hoare annotation was computed. [2018-11-09 23:18:57,959 INFO L425 ceAbstractionStarter]: For program point L50-1(line 50) no Hoare annotation was computed. [2018-11-09 23:18:57,959 INFO L425 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-11-09 23:18:57,959 INFO L425 ceAbstractionStarter]: For program point L50-2(line 50) no Hoare annotation was computed. [2018-11-09 23:18:57,960 INFO L425 ceAbstractionStarter]: For program point L50-3(line 50) no Hoare annotation was computed. [2018-11-09 23:18:57,960 INFO L425 ceAbstractionStarter]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2018-11-09 23:18:57,960 INFO L425 ceAbstractionStarter]: For program point L17-4(lines 17 21) no Hoare annotation was computed. [2018-11-09 23:18:57,960 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-11-09 23:18:57,960 INFO L425 ceAbstractionStarter]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2018-11-09 23:18:57,960 INFO L425 ceAbstractionStarter]: For program point floor_floatFINAL(lines 14 55) no Hoare annotation was computed. [2018-11-09 23:18:57,960 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 32) no Hoare annotation was computed. [2018-11-09 23:18:57,960 INFO L425 ceAbstractionStarter]: For program point floor_floatENTRY(lines 14 55) no Hoare annotation was computed. [2018-11-09 23:18:57,960 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-09 23:18:57,960 INFO L425 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-11-09 23:18:57,960 INFO L425 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-11-09 23:18:57,961 INFO L425 ceAbstractionStarter]: For program point L18-2(line 18) no Hoare annotation was computed. [2018-11-09 23:18:57,961 INFO L425 ceAbstractionStarter]: For program point L18-3(line 18) no Hoare annotation was computed. [2018-11-09 23:18:57,961 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-11-09 23:18:57,961 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-09 23:18:57,961 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-09 23:18:57,961 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-09 23:18:57,961 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-09 23:18:57,961 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 221 238) the Hoare annotation is: true [2018-11-09 23:18:57,961 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 221 238) no Hoare annotation was computed. [2018-11-09 23:18:57,962 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2018-11-09 23:18:57,962 INFO L425 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2018-11-09 23:18:57,962 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 221 238) no Hoare annotation was computed. [2018-11-09 23:18:57,962 INFO L421 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (fp.div RNE (fp.neg ((_ 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))) [2018-11-09 23:18:57,962 INFO L425 ceAbstractionStarter]: For program point L232-1(lines 232 235) no Hoare annotation was computed. [2018-11-09 23:18:57,962 INFO L421 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (= (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)) main_~x~0) [2018-11-09 23:18:57,962 INFO L425 ceAbstractionStarter]: For program point L229-1(line 229) no Hoare annotation was computed. [2018-11-09 23:18:57,962 INFO L421 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|)) [2018-11-09 23:18:57,963 INFO L425 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-11-09 23:18:57,963 INFO L425 ceAbstractionStarter]: For program point L192-1(line 192) no Hoare annotation was computed. [2018-11-09 23:18:57,963 INFO L425 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-11-09 23:18:57,963 INFO L425 ceAbstractionStarter]: For program point L159-2(line 159) no Hoare annotation was computed. [2018-11-09 23:18:57,963 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-09 23:18:57,963 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-09 23:18:57,963 INFO L425 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2018-11-09 23:18:57,963 INFO L425 ceAbstractionStarter]: For program point L205-2(line 205) no Hoare annotation was computed. [2018-11-09 23:18:57,963 INFO L425 ceAbstractionStarter]: For program point L205-3(line 205) no Hoare annotation was computed. [2018-11-09 23:18:57,963 INFO L425 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-09 23:18:57,963 INFO L425 ceAbstractionStarter]: For program point L168(lines 168 181) no Hoare annotation was computed. [2018-11-09 23:18:57,964 INFO L425 ceAbstractionStarter]: For program point L193(lines 193 214) no Hoare annotation was computed. [2018-11-09 23:18:57,964 INFO L425 ceAbstractionStarter]: For program point L193-2(lines 153 219) no Hoare annotation was computed. [2018-11-09 23:18:57,964 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 156 160) no Hoare annotation was computed. [2018-11-09 23:18:57,964 INFO L421 ceAbstractionStarter]: At program point L156-3(lines 156 160) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-11-09 23:18:57,964 INFO L425 ceAbstractionStarter]: For program point L156-4(lines 156 160) no Hoare annotation was computed. [2018-11-09 23:18:57,964 INFO L425 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2018-11-09 23:18:57,964 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-09 23:18:57,964 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 170) no Hoare annotation was computed. [2018-11-09 23:18:57,964 INFO L425 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2018-11-09 23:18:57,964 INFO L425 ceAbstractionStarter]: For program point L202-2(line 202) no Hoare annotation was computed. [2018-11-09 23:18:57,964 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 182) no Hoare annotation was computed. [2018-11-09 23:18:57,965 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-09 23:18:57,965 INFO L425 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-11-09 23:18:57,965 INFO L425 ceAbstractionStarter]: For program point L157-2(line 157) no Hoare annotation was computed. [2018-11-09 23:18:57,965 INFO L425 ceAbstractionStarter]: For program point L157-3(line 157) no Hoare annotation was computed. [2018-11-09 23:18:57,965 INFO L428 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 153 219) the Hoare annotation is: true [2018-11-09 23:18:57,965 INFO L425 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2018-11-09 23:18:57,965 INFO L425 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2018-11-09 23:18:57,965 INFO L425 ceAbstractionStarter]: For program point L207-2(line 207) no Hoare annotation was computed. [2018-11-09 23:18:57,965 INFO L425 ceAbstractionStarter]: For program point L199-1(lines 199 203) no Hoare annotation was computed. [2018-11-09 23:18:57,965 INFO L421 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|)) [2018-11-09 23:18:57,966 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 153 219) no Hoare annotation was computed. [2018-11-09 23:18:57,966 INFO L425 ceAbstractionStarter]: For program point L162(lines 162 182) no Hoare annotation was computed. [2018-11-09 23:18:57,966 INFO L425 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-11-09 23:18:57,966 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 153 219) no Hoare annotation was computed. [2018-11-09 23:18:57,966 INFO L425 ceAbstractionStarter]: For program point L204(lines 204 208) no Hoare annotation was computed. [2018-11-09 23:18:57,966 INFO L425 ceAbstractionStarter]: For program point L204-2(lines 196 214) no Hoare annotation was computed. [2018-11-09 23:18:57,966 INFO L425 ceAbstractionStarter]: For program point L204-3(lines 204 208) no Hoare annotation was computed. [2018-11-09 23:18:57,966 INFO L425 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-11-09 23:18:57,966 INFO L425 ceAbstractionStarter]: For program point L167(lines 167 182) no Hoare annotation was computed. [2018-11-09 23:18:57,966 INFO L425 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-11-09 23:18:57,967 INFO L421 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|)) [2018-11-09 23:18:57,967 INFO L425 ceAbstractionStarter]: For program point L200-2(line 200) no Hoare annotation was computed. [2018-11-09 23:18:57,967 INFO L425 ceAbstractionStarter]: For program point L200-3(line 200) no Hoare annotation was computed. [2018-11-09 23:18:57,967 INFO L425 ceAbstractionStarter]: For program point L68-3(line 68) no Hoare annotation was computed. [2018-11-09 23:18:57,967 INFO L425 ceAbstractionStarter]: For program point L77(lines 77 78) no Hoare annotation was computed. [2018-11-09 23:18:57,967 INFO L425 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-11-09 23:18:57,967 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 62 127) the Hoare annotation is: true [2018-11-09 23:18:57,967 INFO L425 ceAbstractionStarter]: For program point L111(lines 111 117) no Hoare annotation was computed. [2018-11-09 23:18:57,967 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 62 127) no Hoare annotation was computed. [2018-11-09 23:18:57,967 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-09 23:18:57,967 INFO L425 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2018-11-09 23:18:57,968 INFO L425 ceAbstractionStarter]: For program point L70-2(line 70) no Hoare annotation was computed. [2018-11-09 23:18:57,968 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 62 127) no Hoare annotation was computed. [2018-11-09 23:18:57,968 INFO L425 ceAbstractionStarter]: For program point L79(lines 79 80) no Hoare annotation was computed. [2018-11-09 23:18:57,968 INFO L425 ceAbstractionStarter]: For program point L121-1(lines 121 125) no Hoare annotation was computed. [2018-11-09 23:18:57,968 INFO L428 ceAbstractionStarter]: At program point L121-3(lines 121 125) the Hoare annotation is: true [2018-11-09 23:18:57,968 INFO L425 ceAbstractionStarter]: For program point L121-4(lines 121 125) no Hoare annotation was computed. [2018-11-09 23:18:57,968 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 116) no Hoare annotation was computed. [2018-11-09 23:18:57,968 INFO L425 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-11-09 23:18:57,968 INFO L425 ceAbstractionStarter]: For program point L122-1(line 122) no Hoare annotation was computed. [2018-11-09 23:18:57,968 INFO L425 ceAbstractionStarter]: For program point L122-2(line 122) no Hoare annotation was computed. [2018-11-09 23:18:57,968 INFO L425 ceAbstractionStarter]: For program point L122-3(line 122) no Hoare annotation was computed. [2018-11-09 23:18:57,969 INFO L425 ceAbstractionStarter]: For program point L98-1(lines 98 107) no Hoare annotation was computed. [2018-11-09 23:18:57,969 INFO L428 ceAbstractionStarter]: At program point L98-3(lines 98 107) the Hoare annotation is: true [2018-11-09 23:18:57,969 INFO L425 ceAbstractionStarter]: For program point L98-4(lines 62 127) no Hoare annotation was computed. [2018-11-09 23:18:57,969 INFO L425 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-11-09 23:18:57,969 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-11-09 23:18:57,969 INFO L425 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-11-09 23:18:57,969 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 75) no Hoare annotation was computed. [2018-11-09 23:18:57,969 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-09 23:18:57,969 INFO L425 ceAbstractionStarter]: For program point L124-1(line 124) no Hoare annotation was computed. [2018-11-09 23:18:57,969 INFO L425 ceAbstractionStarter]: For program point L124-2(line 124) no Hoare annotation was computed. [2018-11-09 23:18:57,969 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 87) no Hoare annotation was computed. [2018-11-09 23:18:57,969 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 87) no Hoare annotation was computed. [2018-11-09 23:18:57,970 INFO L425 ceAbstractionStarter]: For program point L100(lines 100 104) no Hoare annotation was computed. [2018-11-09 23:18:57,970 INFO L425 ceAbstractionStarter]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2018-11-09 23:18:57,970 INFO L425 ceAbstractionStarter]: For program point L100-2(lines 100 104) no Hoare annotation was computed. [2018-11-09 23:18:57,970 INFO L428 ceAbstractionStarter]: At program point L67-3(lines 67 71) the Hoare annotation is: true [2018-11-09 23:18:57,970 INFO L425 ceAbstractionStarter]: For program point L67-4(lines 67 71) no Hoare annotation was computed. [2018-11-09 23:18:57,970 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 85) no Hoare annotation was computed. [2018-11-09 23:18:57,970 INFO L425 ceAbstractionStarter]: For program point L84-3(lines 84 85) no Hoare annotation was computed. [2018-11-09 23:18:57,970 INFO L428 ceAbstractionStarter]: At program point L84-4(lines 84 85) the Hoare annotation is: true [2018-11-09 23:18:57,970 INFO L425 ceAbstractionStarter]: For program point L84-5(lines 84 85) no Hoare annotation was computed. [2018-11-09 23:18:57,970 INFO L425 ceAbstractionStarter]: For program point L109(lines 109 118) no Hoare annotation was computed. [2018-11-09 23:18:57,970 INFO L425 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-11-09 23:18:57,971 INFO L425 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-11-09 23:18:57,971 INFO L425 ceAbstractionStarter]: For program point L68-2(line 68) no Hoare annotation was computed. [2018-11-09 23:18:57,976 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:57,977 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:57,977 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:57,978 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:57,978 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:57,978 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:57,978 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:57,978 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:57,982 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:57,983 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:57,983 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:57,983 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:57,983 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:57,983 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:57,984 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:57,984 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:57,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:18:57 BoogieIcfgContainer [2018-11-09 23:18:57,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-09 23:18:57,986 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 23:18:57,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 23:18:57,986 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 23:18:57,987 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:18:29" (3/4) ... [2018-11-09 23:18:57,989 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-09 23:18:57,993 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-09 23:18:57,993 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-09 23:18:57,993 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-09 23:18:57,993 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure floor_float [2018-11-09 23:18:57,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-09 23:18:57,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-11-09 23:18:57,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-09 23:18:57,999 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-09 23:18:57,999 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-11-09 23:18:57,999 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-09 23:18:57,999 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-09 23:18:58,015 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-09 23:18:58,016 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) [2018-11-09 23:18:58,045 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_04ffe725-eb86-462c-8b41-31c87afd4c80/bin-2019/uautomizer/witness.graphml [2018-11-09 23:18:58,045 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 23:18:58,046 INFO L168 Benchmark]: Toolchain (without parser) took 38661.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 949.2 MB in the beginning and 820.1 MB in the end (delta: 129.1 MB). Peak memory consumption was 253.8 MB. Max. memory is 11.5 GB. [2018-11-09 23:18:58,046 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-09 23:18:58,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.24 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 927.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-09 23:18:58,047 INFO L168 Benchmark]: Boogie Preprocessor took 53.14 ms. Allocated memory is still 1.0 GB. Free memory is still 927.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:18:58,047 INFO L168 Benchmark]: RCFGBuilder took 10242.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 927.7 MB in the beginning and 1.1 GB in the end (delta: -127.2 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:18:58,047 INFO L168 Benchmark]: TraceAbstraction took 28050.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 827.0 MB in the end (delta: 227.9 MB). Peak memory consumption was 227.9 MB. Max. memory is 11.5 GB. [2018-11-09 23:18:58,047 INFO L168 Benchmark]: Witness Printer took 58.91 ms. Allocated memory is still 1.2 GB. Free memory was 827.0 MB in the beginning and 820.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-09 23:18:58,049 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 253.24 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 927.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.14 ms. Allocated memory is still 1.0 GB. Free memory is still 927.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 10242.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 927.7 MB in the beginning and 1.1 GB in the end (delta: -127.2 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28050.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 827.0 MB in the end (delta: 227.9 MB). Peak memory consumption was 227.9 MB. Max. memory is 11.5 GB. * Witness Printer took 58.91 ms. Allocated memory is still 1.2 GB. Free memory was 827.0 MB in the beginning and 820.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation 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 [2018-11-09 23:18:58,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:58,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:58,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:58,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:58,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:58,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:58,053 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:58,053 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:58,053 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:58,053 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:58,054 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:58,054 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:58,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:58,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:58,055 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-09 23:18:58,055 WARN L387 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, 28.0s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 21.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 535 SDtfs, 312 SDslu, 2352 SDs, 0 SdLazy, 301 SolverSat, 21 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 16.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 8.1s 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, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 29 PreInvPairs, 39 NumberOfFragments, 209 HoareAnnotationTreeSize, 29 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 107 ConstructedInterpolants, 9 QuantifiedInterpolants, 17299 SizeOfPredicates, 20 NumberOfNonLiveVariables, 453 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...