./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0670_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6b275d471d235c565842a02c594b024c1203d73 ............................................................................................................................................................................................................................................................................................................................................................................ 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_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6b275d471d235c565842a02c594b024c1203d73 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:03:36,969 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:03:36,970 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:03:36,977 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:03:36,977 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:03:36,977 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:03:36,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:03:36,979 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:03:36,980 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:03:36,980 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:03:36,981 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:03:36,981 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:03:36,981 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:03:36,982 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:03:36,982 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:03:36,982 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:03:36,983 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:03:36,984 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:03:36,985 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:03:36,985 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:03:36,986 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:03:36,987 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:03:36,988 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:03:36,988 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:03:36,988 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:03:36,989 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:03:36,989 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:03:36,989 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:03:36,990 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:03:36,990 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:03:36,991 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:03:36,991 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:03:36,991 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:03:36,991 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:03:36,992 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:03:36,992 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:03:36,992 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 17:03:36,999 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:03:36,999 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:03:37,000 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:03:37,000 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:03:37,000 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:03:37,000 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:03:37,000 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:03:37,000 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 17:03:37,000 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:03:37,000 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:03:37,001 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 17:03:37,001 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 17:03:37,001 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:03:37,001 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:03:37,001 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:03:37,001 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:03:37,001 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:03:37,001 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:03:37,001 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:03:37,002 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:03:37,002 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:03:37,002 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:03:37,002 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:03:37,002 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:03:37,002 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:03:37,002 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:03:37,002 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:03:37,002 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:03:37,002 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:03:37,002 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:03:37,003 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:03:37,003 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:03:37,003 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 17:03:37,003 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:03:37,003 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:03:37,003 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 17:03:37,003 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan 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 -> Taipan 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 -> c6b275d471d235c565842a02c594b024c1203d73 [2018-12-09 17:03:37,021 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:03:37,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:03:37,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:03:37,033 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:03:37,034 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:03:37,034 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0670_true-unreach-call.c [2018-12-09 17:03:37,072 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/data/4ac106d19/45232e9d15a8414c886199b8e6343f52/FLAG38666902f [2018-12-09 17:03:37,518 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:03:37,518 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/sv-benchmarks/c/float-newlib/float_req_bl_0670_true-unreach-call.c [2018-12-09 17:03:37,523 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/data/4ac106d19/45232e9d15a8414c886199b8e6343f52/FLAG38666902f [2018-12-09 17:03:37,532 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/data/4ac106d19/45232e9d15a8414c886199b8e6343f52 [2018-12-09 17:03:37,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:03:37,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:03:37,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:03:37,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:03:37,537 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:03:37,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:03:37" (1/1) ... [2018-12-09 17:03:37,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ab3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:37, skipping insertion in model container [2018-12-09 17:03:37,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:03:37" (1/1) ... [2018-12-09 17:03:37,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:03:37,557 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:03:37,668 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:03:37,672 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:03:37,728 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:03:37,742 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:03:37,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:37 WrapperNode [2018-12-09 17:03:37,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:03:37,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:03:37,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:03:37,743 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:03:37,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:37" (1/1) ... [2018-12-09 17:03:37,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:37" (1/1) ... [2018-12-09 17:03:37,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:03:37,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:03:37,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:03:37,761 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:03:37,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:37" (1/1) ... [2018-12-09 17:03:37,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:37" (1/1) ... [2018-12-09 17:03:37,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:37" (1/1) ... [2018-12-09 17:03:37,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:37" (1/1) ... [2018-12-09 17:03:37,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:37" (1/1) ... [2018-12-09 17:03:37,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:37" (1/1) ... [2018-12-09 17:03:37,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:37" (1/1) ... [2018-12-09 17:03:37,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:03:37,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:03:37,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:03:37,789 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:03:37,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/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 [2018-12-09 17:03:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2018-12-09 17:03:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2018-12-09 17:03:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:03:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:03:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 17:03:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 17:03:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 17:03:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 17:03:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:03:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:03:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 17:03:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-09 17:03:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-09 17:03:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 17:03:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:03:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:03:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 17:03:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-09 17:03:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-12-09 17:03:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-12-09 17:03:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 17:03:38,093 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:03:38,093 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-09 17:03:38,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:03:38 BoogieIcfgContainer [2018-12-09 17:03:38,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:03:38,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:03:38,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:03:38,096 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:03:38,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:03:37" (1/3) ... [2018-12-09 17:03:38,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587ad8f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:03:38, skipping insertion in model container [2018-12-09 17:03:38,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:37" (2/3) ... [2018-12-09 17:03:38,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587ad8f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:03:38, skipping insertion in model container [2018-12-09 17:03:38,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:03:38" (3/3) ... [2018-12-09 17:03:38,099 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670_true-unreach-call.c [2018-12-09 17:03:38,104 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:03:38,109 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:03:38,118 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:03:38,139 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:03:38,139 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:03:38,139 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:03:38,139 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:03:38,139 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:03:38,139 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:03:38,139 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:03:38,139 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:03:38,151 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2018-12-09 17:03:38,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 17:03:38,155 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:03:38,156 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 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] [2018-12-09 17:03:38,158 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:03:38,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:03:38,161 INFO L82 PathProgramCache]: Analyzing trace with hash -2098232351, now seen corresponding path program 1 times [2018-12-09 17:03:38,163 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:03:38,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:03:38,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:03:38,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:03:38,190 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:03:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:03:38,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 17:03:38,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:03:38,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 17:03:38,265 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:03:38,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 17:03:38,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 17:03:38,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 17:03:38,277 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2018-12-09 17:03:38,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:03:38,296 INFO L93 Difference]: Finished difference Result 208 states and 324 transitions. [2018-12-09 17:03:38,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 17:03:38,296 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 30 [2018-12-09 17:03:38,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:03:38,302 INFO L225 Difference]: With dead ends: 208 [2018-12-09 17:03:38,302 INFO L226 Difference]: Without dead ends: 106 [2018-12-09 17:03:38,305 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 17:03:38,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-12-09 17:03:38,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-12-09 17:03:38,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-12-09 17:03:38,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 148 transitions. [2018-12-09 17:03:38,333 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 148 transitions. Word has length 30 [2018-12-09 17:03:38,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:03:38,334 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 148 transitions. [2018-12-09 17:03:38,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 17:03:38,334 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 148 transitions. [2018-12-09 17:03:38,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 17:03:38,335 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:03:38,335 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 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] [2018-12-09 17:03:38,335 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:03:38,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:03:38,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1945989656, now seen corresponding path program 1 times [2018-12-09 17:03:38,336 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:03:38,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:03:38,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:03:38,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:03:38,336 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:03:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:03:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:03:38,425 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 17:03:38,446 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10737418268 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-12-09 17:03:38,446 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10737418245 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-12-09 17:03:38,447 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10737418262 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-12-09 17:03:38,447 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10737418251 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-12-09 17:03:38,447 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10737418254 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-12-09 17:03:38,447 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10737418249 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-12-09 17:03:38,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:03:38 BoogieIcfgContainer [2018-12-09 17:03:38,457 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:03:38,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:03:38,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:03:38,458 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:03:38,458 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:03:38" (3/4) ... [2018-12-09 17:03:38,460 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 17:03:38,460 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:03:38,461 INFO L168 Benchmark]: Toolchain (without parser) took 926.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 953.5 MB in the beginning and 1.0 GB in the end (delta: -77.2 MB). Peak memory consumption was 53.9 MB. Max. memory is 11.5 GB. [2018-12-09 17:03:38,461 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:03:38,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2018-12-09 17:03:38,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.56 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. [2018-12-09 17:03:38,462 INFO L168 Benchmark]: Boogie Preprocessor took 27.94 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 17:03:38,463 INFO L168 Benchmark]: RCFGBuilder took 305.11 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: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-09 17:03:38,463 INFO L168 Benchmark]: TraceAbstraction took 362.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:03:38,463 INFO L168 Benchmark]: Witness Printer took 2.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:03:38,465 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 207.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.56 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. * Boogie Preprocessor took 27.94 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 305.11 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: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 362.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10737418268 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10737418245 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10737418262 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10737418251 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10737418254 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10737418249 could not be translated for associated CType ARRAY#_11_~FLOAT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 234]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 45, overapproximation of bitwiseAnd at line 136, overapproximation of someBinaryArithmeticFLOAToperation at line 138. Possible FailurePath: [L30-L35] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L37-L42] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L44-L48] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L50-L52] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L118-L119] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=10737418265, \old(one_atan)=10737418256, \old(pi)=10737418263, \old(pi_lo_atan2)=10737418253, \old(pi_o_2)=10737418241, \old(pi_o_4)=10737418260, \old(tiny_atan2)=10737418267, \old(zero_atan2)=10737418248, aT_atan={10737418250:0}, atanhi_atan={10737418252:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L224] float x = __VERIFIER_nondet_float(); [L225] float y = __VERIFIER_nondet_float(); [L227] CALL, EXPR isnan_float(x) VAL [\old(x)=10737418261, aT_atan={10737418250:0}, atanhi_atan={10737418252:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L13] return x != x; VAL [\old(x)=10737418261, \result=1, aT_atan={10737418250:0}, atanhi_atan={10737418252:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418261, zero_atan2=0] [L227] RET, EXPR isnan_float(x) VAL [aT_atan={10737418250:0}, atanhi_atan={10737418252:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, isnan_float(x)=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418261, y=10737418266, zero_atan2=0] [L227] isnan_float(x) || isnan_float(y) VAL [aT_atan={10737418250:0}, atanhi_atan={10737418252:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, isnan_float(x)=1, isnan_float(x) || isnan_float(y)=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418261, y=10737418266, zero_atan2=0] [L227] COND TRUE isnan_float(x) || isnan_float(y) [L230] CALL, EXPR __ieee754_atan2f(y, x) VAL [\old(x)=10737418261, \old(y)=10737418266, aT_atan={10737418250:0}, atanhi_atan={10737418252:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L122] float z; [L123] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=10737418261, \old(y)=10737418266, aT_atan={10737418250:0}, atanhi_atan={10737418252:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418261, y=10737418266, zero_atan2=0] [L126] ieee_float_shape_type gf_u; [L127] gf_u.value = (x) [L128] EXPR gf_u.word [L128] (hx) = gf_u.word [L130] ix = hx & 0x7fffffff VAL [\old(x)=10737418261, \old(y)=10737418266, aT_atan={10737418250:0}, atanhi_atan={10737418252:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418261, y=10737418266, zero_atan2=0] [L132] ieee_float_shape_type gf_u; [L133] gf_u.value = (y) [L134] EXPR gf_u.word [L134] (hy) = gf_u.word [L136] iy = hy & 0x7fffffff VAL [\old(x)=10737418261, \old(y)=10737418266, aT_atan={10737418250:0}, atanhi_atan={10737418252:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, hx=-2147483648, hy=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418261, y=10737418266, zero_atan2=0] [L137] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L138] return x + y; VAL [\old(x)=10737418261, \old(y)=10737418266, aT_atan={10737418250:0}, atanhi_atan={10737418252:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, hx=-2147483648, hy=-2147483648, ix=2139095041, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418261, y=10737418266, zero_atan2=0] [L230] RET, EXPR __ieee754_atan2f(y, x) VAL [__ieee754_atan2f(y, x)=10737418244, aT_atan={10737418250:0}, atanhi_atan={10737418252:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418261, y=10737418266, zero_atan2=0] [L230] float res = __ieee754_atan2f(y, x); [L233] CALL, EXPR isnan_float(res) VAL [\old(x)=10737418244, aT_atan={10737418250:0}, atanhi_atan={10737418252:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L13] return x != x; VAL [\old(x)=10737418244, \result=0, aT_atan={10737418250:0}, atanhi_atan={10737418252:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=10737418244, zero_atan2=0] [L233] RET, EXPR isnan_float(res) VAL [aT_atan={10737418250:0}, atanhi_atan={10737418252:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, isnan_float(res)=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=10737418244, tiny_atan2=1/1000000000000000000000000000000, x=10737418261, y=10737418266, zero_atan2=0] [L233] COND TRUE !isnan_float(res) [L234] __VERIFIER_error() VAL [aT_atan={10737418250:0}, atanhi_atan={10737418252:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=10737418244, tiny_atan2=1/1000000000000000000000000000000, x=10737418261, y=10737418266, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 111 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 154 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=111occurred 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, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 841 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 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 0.1.23-635dfa2 [2018-12-09 17:03:39,886 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:03:39,887 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:03:39,894 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:03:39,894 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:03:39,894 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:03:39,895 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:03:39,896 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:03:39,896 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:03:39,897 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:03:39,897 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:03:39,897 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:03:39,898 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:03:39,898 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:03:39,899 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:03:39,899 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:03:39,900 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:03:39,900 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:03:39,901 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:03:39,902 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:03:39,903 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:03:39,903 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:03:39,904 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:03:39,904 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:03:39,905 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:03:39,905 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:03:39,905 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:03:39,906 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:03:39,906 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:03:39,907 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:03:39,907 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:03:39,907 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:03:39,907 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:03:39,908 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:03:39,908 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:03:39,908 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:03:39,909 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 17:03:39,916 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:03:39,916 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:03:39,916 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:03:39,917 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:03:39,917 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:03:39,917 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:03:39,917 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:03:39,917 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:03:39,917 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:03:39,917 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:03:39,917 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:03:39,917 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:03:39,918 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:03:39,918 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:03:39,918 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:03:39,918 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:03:39,918 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:03:39,918 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 17:03:39,918 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 17:03:39,918 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:03:39,918 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:03:39,918 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 17:03:39,918 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:03:39,918 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:03:39,919 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:03:39,919 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:03:39,919 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:03:39,919 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:03:39,919 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:03:39,919 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:03:39,919 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:03:39,919 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 17:03:39,919 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:03:39,919 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 17:03:39,919 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 17:03:39,919 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_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan 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 -> Taipan 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 -> c6b275d471d235c565842a02c594b024c1203d73 [2018-12-09 17:03:39,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:03:39,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:03:39,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:03:39,947 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:03:39,947 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:03:39,948 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0670_true-unreach-call.c [2018-12-09 17:03:39,982 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/data/a7f0811e6/d355dfdad45441b29f45a588c3cbc771/FLAG801eb1a89 [2018-12-09 17:03:40,433 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:03:40,433 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/sv-benchmarks/c/float-newlib/float_req_bl_0670_true-unreach-call.c [2018-12-09 17:03:40,437 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/data/a7f0811e6/d355dfdad45441b29f45a588c3cbc771/FLAG801eb1a89 [2018-12-09 17:03:40,445 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/data/a7f0811e6/d355dfdad45441b29f45a588c3cbc771 [2018-12-09 17:03:40,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:03:40,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:03:40,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:03:40,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:03:40,450 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:03:40,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:03:40" (1/1) ... [2018-12-09 17:03:40,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671d23f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:40, skipping insertion in model container [2018-12-09 17:03:40,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:03:40" (1/1) ... [2018-12-09 17:03:40,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:03:40,470 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:03:40,592 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:03:40,598 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:03:40,634 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:03:40,652 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:03:40,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:40 WrapperNode [2018-12-09 17:03:40,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:03:40,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:03:40,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:03:40,653 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:03:40,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:40" (1/1) ... [2018-12-09 17:03:40,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:40" (1/1) ... [2018-12-09 17:03:40,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:03:40,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:03:40,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:03:40,713 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:03:40,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:40" (1/1) ... [2018-12-09 17:03:40,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:40" (1/1) ... [2018-12-09 17:03:40,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:40" (1/1) ... [2018-12-09 17:03:40,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:40" (1/1) ... [2018-12-09 17:03:40,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:40" (1/1) ... [2018-12-09 17:03:40,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:40" (1/1) ... [2018-12-09 17:03:40,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:40" (1/1) ... [2018-12-09 17:03:40,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:03:40,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:03:40,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:03:40,746 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:03:40,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/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 [2018-12-09 17:03:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2018-12-09 17:03:40,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2018-12-09 17:03:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-12-09 17:03:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:03:40,777 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:03:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 17:03:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 17:03:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 17:03:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:03:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:03:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-09 17:03:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-09 17:03:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 17:03:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 17:03:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:03:40,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:03:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 17:03:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-12-09 17:03:40,779 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-12-09 17:03:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 17:03:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 17:03:40,931 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:03:40,998 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:03:41,082 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:03:41,584 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:03:41,596 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:03:41,612 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:03:50,481 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:03:50,481 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-09 17:03:50,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:03:50 BoogieIcfgContainer [2018-12-09 17:03:50,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:03:50,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:03:50,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:03:50,484 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:03:50,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:03:40" (1/3) ... [2018-12-09 17:03:50,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d9fd19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:03:50, skipping insertion in model container [2018-12-09 17:03:50,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:03:40" (2/3) ... [2018-12-09 17:03:50,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d9fd19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:03:50, skipping insertion in model container [2018-12-09 17:03:50,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:03:50" (3/3) ... [2018-12-09 17:03:50,486 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670_true-unreach-call.c [2018-12-09 17:03:50,491 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:03:50,496 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:03:50,504 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:03:50,521 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 17:03:50,521 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:03:50,522 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:03:50,522 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:03:50,522 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:03:50,522 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:03:50,522 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:03:50,522 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:03:50,522 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:03:50,533 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2018-12-09 17:03:50,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 17:03:50,537 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:03:50,538 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 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] [2018-12-09 17:03:50,539 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:03:50,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:03:50,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1831451699, now seen corresponding path program 1 times [2018-12-09 17:03:50,545 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 17:03:50,545 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/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 [2018-12-09 17:03:50,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:03:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:03:50,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:03:50,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:03:50,689 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 17:03:50,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:03:50,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 17:03:50,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 17:03:50,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 17:03:50,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 17:03:50,711 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2018-12-09 17:03:50,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:03:50,731 INFO L93 Difference]: Finished difference Result 206 states and 322 transitions. [2018-12-09 17:03:50,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 17:03:50,732 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2018-12-09 17:03:50,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:03:50,738 INFO L225 Difference]: With dead ends: 206 [2018-12-09 17:03:50,738 INFO L226 Difference]: Without dead ends: 105 [2018-12-09 17:03:50,740 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 17:03:50,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-09 17:03:50,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-12-09 17:03:50,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-12-09 17:03:50,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 147 transitions. [2018-12-09 17:03:50,768 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 147 transitions. Word has length 29 [2018-12-09 17:03:50,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:03:50,769 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 147 transitions. [2018-12-09 17:03:50,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 17:03:50,769 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 147 transitions. [2018-12-09 17:03:50,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 17:03:50,771 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:03:50,771 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 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] [2018-12-09 17:03:50,771 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:03:50,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:03:50,771 INFO L82 PathProgramCache]: Analyzing trace with hash 462865180, now seen corresponding path program 1 times [2018-12-09 17:03:50,772 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 17:03:50,772 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/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 [2018-12-09 17:03:50,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:03:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:03:50,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:03:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 17:03:53,328 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 17:03:53,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:03:53,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-09 17:03:53,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 17:03:53,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 17:03:53,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-09 17:03:53,338 INFO L87 Difference]: Start difference. First operand 105 states and 147 transitions. Second operand 11 states. [2018-12-09 17:04:17,318 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-09 17:04:20,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:04:20,636 INFO L93 Difference]: Finished difference Result 119 states and 163 transitions. [2018-12-09 17:04:20,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 17:04:20,637 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2018-12-09 17:04:20,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:04:20,639 INFO L225 Difference]: With dead ends: 119 [2018-12-09 17:04:20,640 INFO L226 Difference]: Without dead ends: 114 [2018-12-09 17:04:20,640 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2018-12-09 17:04:20,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-09 17:04:20,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2018-12-09 17:04:20,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-09 17:04:20,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 152 transitions. [2018-12-09 17:04:20,649 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 152 transitions. Word has length 31 [2018-12-09 17:04:20,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:04:20,649 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 152 transitions. [2018-12-09 17:04:20,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 17:04:20,649 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 152 transitions. [2018-12-09 17:04:20,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 17:04:20,650 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:04:20,651 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-12-09 17:04:20,651 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:04:20,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:04:20,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1221687855, now seen corresponding path program 1 times [2018-12-09 17:04:20,651 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 17:04:20,652 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/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 [2018-12-09 17:04:20,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:04:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:04:20,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:04:23,086 WARN L180 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-12-09 17:04:24,510 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 17:04:24,510 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 17:04:24,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:04:24,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-09 17:04:24,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 17:04:24,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 17:04:24,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-09 17:04:24,520 INFO L87 Difference]: Start difference. First operand 109 states and 152 transitions. Second operand 11 states. [2018-12-09 17:04:26,169 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-12-09 17:04:41,750 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-09 17:04:43,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:04:43,945 INFO L93 Difference]: Finished difference Result 121 states and 165 transitions. [2018-12-09 17:04:43,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 17:04:43,945 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 36 [2018-12-09 17:04:43,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:04:43,946 INFO L225 Difference]: With dead ends: 121 [2018-12-09 17:04:43,947 INFO L226 Difference]: Without dead ends: 114 [2018-12-09 17:04:43,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=41, Invalid=198, Unknown=1, NotChecked=0, Total=240 [2018-12-09 17:04:43,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-09 17:04:43,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2018-12-09 17:04:43,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-09 17:04:43,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 151 transitions. [2018-12-09 17:04:43,954 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 151 transitions. Word has length 36 [2018-12-09 17:04:43,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:04:43,954 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 151 transitions. [2018-12-09 17:04:43,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 17:04:43,954 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 151 transitions. [2018-12-09 17:04:43,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 17:04:43,955 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:04:43,955 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 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] [2018-12-09 17:04:43,955 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:04:43,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:04:43,956 INFO L82 PathProgramCache]: Analyzing trace with hash -32850571, now seen corresponding path program 1 times [2018-12-09 17:04:43,956 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 17:04:43,956 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/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 [2018-12-09 17:04:43,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:04:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:04:44,052 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:04:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:04:44,221 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 17:04:44,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:04:44,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 17:04:44,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 17:04:44,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 17:04:44,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:04:44,234 INFO L87 Difference]: Start difference. First operand 109 states and 151 transitions. Second operand 10 states. [2018-12-09 17:04:44,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:04:44,832 INFO L93 Difference]: Finished difference Result 117 states and 158 transitions. [2018-12-09 17:04:44,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 17:04:44,833 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2018-12-09 17:04:44,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:04:44,833 INFO L225 Difference]: With dead ends: 117 [2018-12-09 17:04:44,834 INFO L226 Difference]: Without dead ends: 105 [2018-12-09 17:04:44,834 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-12-09 17:04:44,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-09 17:04:44,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-12-09 17:04:44,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-12-09 17:04:44,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 144 transitions. [2018-12-09 17:04:44,841 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 144 transitions. Word has length 36 [2018-12-09 17:04:44,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:04:44,842 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 144 transitions. [2018-12-09 17:04:44,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 17:04:44,842 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2018-12-09 17:04:44,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 17:04:44,843 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:04:44,843 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:04:44,843 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:04:44,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:04:44,844 INFO L82 PathProgramCache]: Analyzing trace with hash -634242304, now seen corresponding path program 1 times [2018-12-09 17:04:44,844 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 17:04:44,844 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-09 17:04:44,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:04:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:04:44,970 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:04:45,132 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 17:04:45,132 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 17:04:45,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:04:45,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 17:04:45,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 17:04:45,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 17:04:45,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:04:45,142 INFO L87 Difference]: Start difference. First operand 105 states and 144 transitions. Second operand 10 states. [2018-12-09 17:04:45,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:04:45,887 INFO L93 Difference]: Finished difference Result 108 states and 146 transitions. [2018-12-09 17:04:45,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 17:04:45,887 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2018-12-09 17:04:45,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:04:45,888 INFO L225 Difference]: With dead ends: 108 [2018-12-09 17:04:45,888 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 17:04:45,888 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-12-09 17:04:45,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 17:04:45,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 17:04:45,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 17:04:45,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 17:04:45,889 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2018-12-09 17:04:45,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:04:45,889 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 17:04:45,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 17:04:45,889 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 17:04:45,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 17:04:45,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 17:04:46,598 WARN L180 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-12-09 17:04:46,632 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-12-09 17:04:46,633 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-12-09 17:04:46,633 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-12-09 17:04:46,633 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:04:46,633 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 17:04:46,633 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:04:46,633 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 181) no Hoare annotation was computed. [2018-12-09 17:04:46,633 INFO L448 ceAbstractionStarter]: For program point L176(line 176) no Hoare annotation was computed. [2018-12-09 17:04:46,633 INFO L448 ceAbstractionStarter]: For program point __ieee754_atan2fEXIT(lines 121 216) no Hoare annotation was computed. [2018-12-09 17:04:46,633 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 153) no Hoare annotation was computed. [2018-12-09 17:04:46,633 INFO L448 ceAbstractionStarter]: For program point L143-2(lines 121 216) no Hoare annotation was computed. [2018-12-09 17:04:46,633 INFO L444 ceAbstractionStarter]: At program point L193(line 193) the Hoare annotation is: (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) __ieee754_atan2f_~iy~0) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) __ieee754_atan2f_~ix~2) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1)))) [2018-12-09 17:04:46,633 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 169) no Hoare annotation was computed. [2018-12-09 17:04:46,633 INFO L444 ceAbstractionStarter]: At program point L193-1(line 193) the Hoare annotation is: (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) __ieee754_atan2f_~iy~0) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) __ieee754_atan2f_~ix~2) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1)))) [2018-12-09 17:04:46,634 INFO L448 ceAbstractionStarter]: For program point L193-2(line 193) no Hoare annotation was computed. [2018-12-09 17:04:46,634 INFO L448 ceAbstractionStarter]: For program point L185(line 185) no Hoare annotation was computed. [2018-12-09 17:04:46,634 INFO L448 ceAbstractionStarter]: For program point L185-2(line 185) no Hoare annotation was computed. [2018-12-09 17:04:46,634 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 152) no Hoare annotation was computed. [2018-12-09 17:04:46,634 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 215) no Hoare annotation was computed. [2018-12-09 17:04:46,634 INFO L448 ceAbstractionStarter]: For program point L161(line 161) no Hoare annotation was computed. [2018-12-09 17:04:46,634 INFO L448 ceAbstractionStarter]: For program point L211(line 211) no Hoare annotation was computed. [2018-12-09 17:04:46,634 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 17:04:46,634 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 17:04:46,634 INFO L448 ceAbstractionStarter]: For program point L145-2(line 145) no Hoare annotation was computed. [2018-12-09 17:04:46,634 INFO L448 ceAbstractionStarter]: For program point L137(lines 137 138) no Hoare annotation was computed. [2018-12-09 17:04:46,634 INFO L448 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-12-09 17:04:46,634 INFO L448 ceAbstractionStarter]: For program point L146(line 146) no Hoare annotation was computed. [2018-12-09 17:04:46,634 INFO L448 ceAbstractionStarter]: For program point L204(lines 204 208) no Hoare annotation was computed. [2018-12-09 17:04:46,634 INFO L448 ceAbstractionStarter]: For program point L171(lines 171 180) no Hoare annotation was computed. [2018-12-09 17:04:46,634 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 197 209) no Hoare annotation was computed. [2018-12-09 17:04:46,634 INFO L448 ceAbstractionStarter]: For program point L204-2(lines 204 208) no Hoare annotation was computed. [2018-12-09 17:04:46,635 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 17:04:46,635 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 193) no Hoare annotation was computed. [2018-12-09 17:04:46,635 INFO L448 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2018-12-09 17:04:46,635 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 17:04:46,635 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 140) no Hoare annotation was computed. [2018-12-09 17:04:46,635 INFO L448 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-12-09 17:04:46,635 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 131 135) no Hoare annotation was computed. [2018-12-09 17:04:46,635 INFO L444 ceAbstractionStarter]: At program point L131-2(lines 131 135) the Hoare annotation is: (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) __ieee754_atan2f_~ix~2) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1)))) [2018-12-09 17:04:46,635 INFO L448 ceAbstractionStarter]: For program point L131-3(lines 131 135) no Hoare annotation was computed. [2018-12-09 17:04:46,635 INFO L448 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-12-09 17:04:46,635 INFO L448 ceAbstractionStarter]: For program point L156-2(line 156) no Hoare annotation was computed. [2018-12-09 17:04:46,635 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 17:04:46,635 INFO L444 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) __ieee754_atan2f_~iy~0) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) __ieee754_atan2f_~ix~2) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1)))) [2018-12-09 17:04:46,636 INFO L448 ceAbstractionStarter]: For program point L140-1(line 140) no Hoare annotation was computed. [2018-12-09 17:04:46,636 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-12-09 17:04:46,636 INFO L448 ceAbstractionStarter]: For program point L190(lines 190 193) no Hoare annotation was computed. [2018-12-09 17:04:46,636 INFO L448 ceAbstractionStarter]: For program point L190-2(lines 188 193) no Hoare annotation was computed. [2018-12-09 17:04:46,636 INFO L448 ceAbstractionStarter]: For program point __ieee754_atan2fFINAL(lines 121 216) no Hoare annotation was computed. [2018-12-09 17:04:46,636 INFO L451 ceAbstractionStarter]: At program point __ieee754_atan2fENTRY(lines 121 216) the Hoare annotation is: true [2018-12-09 17:04:46,636 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-12-09 17:04:46,636 INFO L448 ceAbstractionStarter]: For program point L199-1(lines 199 203) no Hoare annotation was computed. [2018-12-09 17:04:46,636 INFO L444 ceAbstractionStarter]: At program point L199-2(lines 199 203) the Hoare annotation is: (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) (_ bv2139095040 32))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) __ieee754_atan2f_~iy~0) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))))) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) __ieee754_atan2f_~ix~2) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1))))) (= |__ieee754_atan2f_#in~y| (fp ((_ extract 31 31) __ieee754_atan2f_~hy~0) ((_ extract 30 23) __ieee754_atan2f_~hy~0) ((_ extract 22 0) __ieee754_atan2f_~hy~0))) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y) (= |__ieee754_atan2f_#in~x| (fp ((_ extract 31 31) __ieee754_atan2f_~hx~1) ((_ extract 30 23) __ieee754_atan2f_~hx~1) ((_ extract 22 0) __ieee754_atan2f_~hx~1)))) [2018-12-09 17:04:46,636 INFO L448 ceAbstractionStarter]: For program point L158(lines 158 182) no Hoare annotation was computed. [2018-12-09 17:04:46,636 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 121 216) no Hoare annotation was computed. [2018-12-09 17:04:46,636 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2018-12-09 17:04:46,636 INFO L444 ceAbstractionStarter]: At program point L125-2(lines 125 129) the Hoare annotation is: (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y)) [2018-12-09 17:04:46,636 INFO L448 ceAbstractionStarter]: For program point L125-3(lines 125 129) no Hoare annotation was computed. [2018-12-09 17:04:46,637 INFO L448 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-12-09 17:04:46,637 INFO L448 ceAbstractionStarter]: For program point L167(line 167) no Hoare annotation was computed. [2018-12-09 17:04:46,637 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 15 28) no Hoare annotation was computed. [2018-12-09 17:04:46,637 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 15 28) no Hoare annotation was computed. [2018-12-09 17:04:46,637 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 15 28) the Hoare annotation is: true [2018-12-09 17:04:46,637 INFO L448 ceAbstractionStarter]: For program point L22(lines 22 26) no Hoare annotation was computed. [2018-12-09 17:04:46,637 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 15 28) no Hoare annotation was computed. [2018-12-09 17:04:46,637 INFO L448 ceAbstractionStarter]: For program point L22-2(lines 22 26) no Hoare annotation was computed. [2018-12-09 17:04:46,637 INFO L448 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-12-09 17:04:46,637 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 17 21) the Hoare annotation is: true [2018-12-09 17:04:46,637 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:04:46,637 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 17:04:46,637 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 17:04:46,637 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:04:46,637 INFO L448 ceAbstractionStarter]: For program point L227-2(line 227) no Hoare annotation was computed. [2018-12-09 17:04:46,638 INFO L444 ceAbstractionStarter]: At program point L227-4(line 227) the Hoare annotation is: (let ((.cse0 (fp.eq main_~x~0 main_~x~0))) (let ((.cse1 (not .cse0))) (and (or (and (not |main_#t~short46|) .cse0) (and .cse1 |main_#t~short46|)) (or (and .cse0 (= |main_#t~ret44| (_ bv0 32))) (and (= (bvadd |main_#t~ret44| (_ bv4294967295 32)) (_ bv0 32)) .cse1))))) [2018-12-09 17:04:46,638 INFO L448 ceAbstractionStarter]: For program point L227-5(line 227) no Hoare annotation was computed. [2018-12-09 17:04:46,638 INFO L448 ceAbstractionStarter]: For program point L227-6(lines 227 237) no Hoare annotation was computed. [2018-12-09 17:04:46,638 INFO L448 ceAbstractionStarter]: For program point L227-8(lines 227 237) no Hoare annotation was computed. [2018-12-09 17:04:46,638 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 218 240) no Hoare annotation was computed. [2018-12-09 17:04:46,638 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 218 240) no Hoare annotation was computed. [2018-12-09 17:04:46,638 INFO L448 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2018-12-09 17:04:46,638 INFO L444 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (or (not (fp.eq main_~x~0 main_~x~0)) (not (fp.eq main_~y~0 main_~y~0))) [2018-12-09 17:04:46,638 INFO L448 ceAbstractionStarter]: For program point L230-1(line 230) no Hoare annotation was computed. [2018-12-09 17:04:46,638 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 218 240) the Hoare annotation is: true [2018-12-09 17:04:46,638 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 234) no Hoare annotation was computed. [2018-12-09 17:04:46,638 INFO L444 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (or (and (exists ((main_~x~0 (_ FloatingPoint 8 24)) (__ieee754_atan2f_~y (_ FloatingPoint 8 24))) (and (= main_~res~0 (fp.add roundNearestTiesToEven main_~x~0 __ieee754_atan2f_~y)) (not (fp.eq main_~x~0 main_~x~0)))) (not (fp.eq main_~x~0 main_~x~0))) (and (exists ((main_~y~0 (_ FloatingPoint 8 24)) (__ieee754_atan2f_~x (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven __ieee754_atan2f_~x main_~y~0) main_~res~0) (not (fp.eq main_~y~0 main_~y~0)))) (not (fp.eq main_~y~0 main_~y~0)))) [2018-12-09 17:04:46,638 INFO L448 ceAbstractionStarter]: For program point L233-1(lines 233 236) no Hoare annotation was computed. [2018-12-09 17:04:46,639 INFO L451 ceAbstractionStarter]: At program point L227(line 227) the Hoare annotation is: true [2018-12-09 17:04:46,639 INFO L448 ceAbstractionStarter]: For program point L227-1(line 227) no Hoare annotation was computed. [2018-12-09 17:04:46,639 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 71) no Hoare annotation was computed. [2018-12-09 17:04:46,639 INFO L451 ceAbstractionStarter]: At program point atan_floatENTRY(lines 54 116) the Hoare annotation is: true [2018-12-09 17:04:46,639 INFO L448 ceAbstractionStarter]: For program point atan_floatFINAL(lines 54 116) no Hoare annotation was computed. [2018-12-09 17:04:46,639 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 95) no Hoare annotation was computed. [2018-12-09 17:04:46,639 INFO L448 ceAbstractionStarter]: For program point L89-2(lines 72 97) no Hoare annotation was computed. [2018-12-09 17:04:46,639 INFO L448 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-12-09 17:04:46,639 INFO L448 ceAbstractionStarter]: For program point L81(lines 81 87) no Hoare annotation was computed. [2018-12-09 17:04:46,639 INFO L448 ceAbstractionStarter]: For program point L114-2(line 114) no Hoare annotation was computed. [2018-12-09 17:04:46,639 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 115) no Hoare annotation was computed. [2018-12-09 17:04:46,639 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 76) no Hoare annotation was computed. [2018-12-09 17:04:46,639 INFO L448 ceAbstractionStarter]: For program point L73-2(lines 73 76) no Hoare annotation was computed. [2018-12-09 17:04:46,640 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 66) no Hoare annotation was computed. [2018-12-09 17:04:46,640 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 75) no Hoare annotation was computed. [2018-12-09 17:04:46,640 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 58 62) no Hoare annotation was computed. [2018-12-09 17:04:46,640 INFO L451 ceAbstractionStarter]: At program point L58-2(lines 58 62) the Hoare annotation is: true [2018-12-09 17:04:46,640 INFO L448 ceAbstractionStarter]: For program point L58-3(lines 58 62) no Hoare annotation was computed. [2018-12-09 17:04:46,640 INFO L451 ceAbstractionStarter]: At program point L79(line 79) the Hoare annotation is: true [2018-12-09 17:04:46,640 INFO L448 ceAbstractionStarter]: For program point L79-1(line 79) no Hoare annotation was computed. [2018-12-09 17:04:46,640 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 70) no Hoare annotation was computed. [2018-12-09 17:04:46,640 INFO L448 ceAbstractionStarter]: For program point atan_floatEXIT(lines 54 116) no Hoare annotation was computed. [2018-12-09 17:04:46,640 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 96) no Hoare annotation was computed. [2018-12-09 17:04:46,640 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 97) no Hoare annotation was computed. [2018-12-09 17:04:46,645 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,646 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,646 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,646 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,646 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,646 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,646 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,647 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,647 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,647 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,647 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,647 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,647 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,647 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,648 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,648 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,651 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,651 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,651 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,653 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,653 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,653 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,654 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,654 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,654 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,654 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,654 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,654 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,654 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,654 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:04:46 BoogieIcfgContainer [2018-12-09 17:04:46,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:04:46,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:04:46,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:04:46,656 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:04:46,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:03:50" (3/4) ... [2018-12-09 17:04:46,659 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 17:04:46,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-09 17:04:46,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 17:04:46,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_atan2f [2018-12-09 17:04:46,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-12-09 17:04:46,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 17:04:46,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2018-12-09 17:04:46,667 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2018-12-09 17:04:46,668 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 17:04:46,668 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 17:04:46,668 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 17:04:46,684 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x && \old(y) == y [2018-12-09 17:04:46,684 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(x) == x && (\exists __ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && \old(y) == y) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) [2018-12-09 17:04:46,685 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\old(x) == x && (\exists __ieee754_atan2f_~hx~1 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1), 2139095040bv32) && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && (\exists __ieee754_atan2f_~hy~0 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0), 2139095040bv32) && \old(y) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hy~0[31:31], __ieee754_atan2f_~hy~0[30:23], __ieee754_atan2f_~hy~0[22:0]))) && (\exists __ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0) == iy && \old(y) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hy~0[31:31], __ieee754_atan2f_~hy~0[30:23], __ieee754_atan2f_~hy~0[22:0]))) && (\exists __ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && \old(y) == ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0])) && \old(y) == y) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) [2018-12-09 17:04:46,709 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6302ce9c-799a-4c44-b578-914f0930048e/bin-2019/utaipan/witness.graphml [2018-12-09 17:04:46,709 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:04:46,709 INFO L168 Benchmark]: Toolchain (without parser) took 66262.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 66.6 MB. Max. memory is 11.5 GB. [2018-12-09 17:04:46,709 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:04:46,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.55 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 923.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:04:46,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -214.9 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:04:46,710 INFO L168 Benchmark]: Boogie Preprocessor took 32.39 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. [2018-12-09 17:04:46,710 INFO L168 Benchmark]: RCFGBuilder took 9735.72 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: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. [2018-12-09 17:04:46,710 INFO L168 Benchmark]: TraceAbstraction took 56173.99 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -17.9 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:04:46,710 INFO L168 Benchmark]: Witness Printer took 52.80 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-12-09 17:04:46,711 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 204.55 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 923.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -214.9 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.39 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. * RCFGBuilder took 9735.72 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: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 56173.99 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -17.9 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Witness Printer took 52.80 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: 7.3 MB). Peak memory consumption was 7.3 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_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 234]: 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: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant [2018-12-09 17:04:46,714 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,714 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,714 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,714 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,714 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,714 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,714 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,714 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,714 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,714 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,715 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,715 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,715 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,715 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,715 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,715 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,715 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,715 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,715 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,716 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,716 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,716 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,716 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,716 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,716 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,716 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,716 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,716 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-09 17:04:46,716 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,716 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,717 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,717 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] Derived loop invariant: ((((((\old(x) == x && (\exists __ieee754_atan2f_~hx~1 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1), 2139095040bv32) && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && (\exists __ieee754_atan2f_~hy~0 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0), 2139095040bv32) && \old(y) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hy~0[31:31], __ieee754_atan2f_~hy~0[30:23], __ieee754_atan2f_~hy~0[22:0]))) && (\exists __ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0) == iy && \old(y) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hy~0[31:31], __ieee754_atan2f_~hy~0[30:23], __ieee754_atan2f_~hy~0[22:0]))) && (\exists __ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && \old(y) == ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0])) && \old(y) == y) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 131]: Loop Invariant [2018-12-09 17:04:46,717 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,717 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,717 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,717 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,718 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,718 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,718 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-09 17:04:46,718 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && (\exists __ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, __ieee754_atan2f_~hx~1) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && \old(y) == y) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: \old(x) == x && \old(y) == y - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 110 locations, 1 error locations. SAFE Result, 56.1s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 48.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 678 SDtfs, 710 SDslu, 3712 SDs, 0 SdLazy, 559 SolverSat, 35 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 41.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 12.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 49 PreInvPairs, 70 NumberOfFragments, 491 HoareAnnotationTreeSize, 49 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 168 ConstructedInterpolants, 27 QuantifiedInterpolants, 33299 SizeOfPredicates, 28 NumberOfNonLiveVariables, 838 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 27/27 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...