./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0686a_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_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0686a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/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 2e4c57dd78ca61b194172b998a147be383066b6a ............................................................................................................................................................................................................................................................................................................................................................ 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_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0686a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/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 2e4c57dd78ca61b194172b998a147be383066b6a ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:04:56,880 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:04:56,881 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:04:56,888 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:04:56,889 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:04:56,889 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:04:56,890 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:04:56,891 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:04:56,892 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:04:56,893 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:04:56,893 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:04:56,894 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:04:56,894 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:04:56,895 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:04:56,896 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:04:56,896 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:04:56,897 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:04:56,898 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:04:56,899 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:04:56,900 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:04:56,901 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:04:56,902 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:04:56,903 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:04:56,904 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:04:56,904 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:04:56,904 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:04:56,905 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:04:56,905 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:04:56,906 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:04:56,907 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:04:56,907 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:04:56,907 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:04:56,908 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:04:56,908 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:04:56,908 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:04:56,909 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:04:56,909 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 17:04:56,919 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:04:56,919 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:04:56,920 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:04:56,920 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 17:04:56,920 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 17:04:56,920 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 17:04:56,920 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 17:04:56,920 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 17:04:56,921 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 17:04:56,921 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 17:04:56,921 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 17:04:56,921 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 17:04:56,921 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 17:04:56,921 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:04:56,921 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:04:56,922 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:04:56,922 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:04:56,922 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:04:56,922 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:04:56,922 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:04:56,922 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:04:56,922 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:04:56,923 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:04:56,923 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:04:56,923 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:04:56,923 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:04:56,923 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:04:56,923 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 17:04:56,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:04:56,923 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:04:56,923 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:04:56,924 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:04:56,924 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 17:04:56,924 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:04:56,924 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:04:56,924 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 17:04:56,924 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_47619515-b443-4d81-a372-83c6c5af4a54/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 -> 2e4c57dd78ca61b194172b998a147be383066b6a [2018-12-08 17:04:56,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:04:56,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:04:56,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:04:56,952 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:04:56,952 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:04:56,952 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0686a_true-unreach-call.c [2018-12-08 17:04:56,987 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/data/65fb7be8c/fe4d4174508e4fbc9811995a7fff45fc/FLAGed4c789bc [2018-12-08 17:04:57,309 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:04:57,310 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/sv-benchmarks/c/float-newlib/float_req_bl_0686a_true-unreach-call.c [2018-12-08 17:04:57,314 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/data/65fb7be8c/fe4d4174508e4fbc9811995a7fff45fc/FLAGed4c789bc [2018-12-08 17:04:57,718 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/data/65fb7be8c/fe4d4174508e4fbc9811995a7fff45fc [2018-12-08 17:04:57,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:04:57,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:04:57,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:04:57,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:04:57,725 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:04:57,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:04:57" (1/1) ... [2018-12-08 17:04:57,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211fd2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:57, skipping insertion in model container [2018-12-08 17:04:57,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:04:57" (1/1) ... [2018-12-08 17:04:57,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:04:57,746 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:04:57,865 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:04:57,870 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:04:57,932 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:04:57,949 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:04:57,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:57 WrapperNode [2018-12-08 17:04:57,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:04:57,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:04:57,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:04:57,950 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:04:57,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:57" (1/1) ... [2018-12-08 17:04:57,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:57" (1/1) ... [2018-12-08 17:04:57,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:04:57,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:04:57,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:04:57,969 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:04:57,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:57" (1/1) ... [2018-12-08 17:04:57,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:57" (1/1) ... [2018-12-08 17:04:57,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:57" (1/1) ... [2018-12-08 17:04:57,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:57" (1/1) ... [2018-12-08 17:04:57,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:57" (1/1) ... [2018-12-08 17:04:57,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:57" (1/1) ... [2018-12-08 17:04:57,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:57" (1/1) ... [2018-12-08 17:04:57,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:04:57,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:04:57,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:04:57,998 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:04:57,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/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 [2018-12-08 17:04:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2018-12-08 17:04:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2018-12-08 17:04:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 17:04:58,030 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 17:04:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 17:04:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 17:04:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 17:04:58,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 17:04:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 17:04:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-08 17:04:58,030 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-08 17:04:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 17:04:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:04:58,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:04:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 17:04:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-08 17:04:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-12-08 17:04:58,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-12-08 17:04:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 17:04:58,304 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:04:58,304 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-08 17:04:58,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:04:58 BoogieIcfgContainer [2018-12-08 17:04:58,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:04:58,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 17:04:58,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 17:04:58,307 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 17:04:58,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 05:04:57" (1/3) ... [2018-12-08 17:04:58,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@493891e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:04:58, skipping insertion in model container [2018-12-08 17:04:58,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:04:57" (2/3) ... [2018-12-08 17:04:58,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@493891e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:04:58, skipping insertion in model container [2018-12-08 17:04:58,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:04:58" (3/3) ... [2018-12-08 17:04:58,309 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0686a_true-unreach-call.c [2018-12-08 17:04:58,315 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 17:04:58,320 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 17:04:58,329 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 17:04:58,348 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 17:04:58,348 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 17:04:58,348 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 17:04:58,348 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:04:58,348 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:04:58,348 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 17:04:58,348 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:04:58,348 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 17:04:58,359 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states. [2018-12-08 17:04:58,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 17:04:58,363 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:04:58,363 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:04:58,365 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:04:58,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:04:58,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1988302874, now seen corresponding path program 1 times [2018-12-08 17:04:58,369 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:04:58,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:58,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:04:58,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:58,398 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:04:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:04:58,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:04:58,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:04:58,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 17:04:58,461 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:04:58,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 17:04:58,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 17:04:58,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 17:04:58,474 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 2 states. [2018-12-08 17:04:58,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:04:58,493 INFO L93 Difference]: Finished difference Result 190 states and 302 transitions. [2018-12-08 17:04:58,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 17:04:58,494 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-08 17:04:58,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:04:58,500 INFO L225 Difference]: With dead ends: 190 [2018-12-08 17:04:58,500 INFO L226 Difference]: Without dead ends: 95 [2018-12-08 17:04:58,502 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 [2018-12-08 17:04:58,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-12-08 17:04:58,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-12-08 17:04:58,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-08 17:04:58,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 134 transitions. [2018-12-08 17:04:58,529 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 134 transitions. Word has length 18 [2018-12-08 17:04:58,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:04:58,529 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 134 transitions. [2018-12-08 17:04:58,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 17:04:58,529 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 134 transitions. [2018-12-08 17:04:58,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 17:04:58,530 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:04:58,530 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:04:58,530 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:04:58,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:04:58,530 INFO L82 PathProgramCache]: Analyzing trace with hash -796728189, now seen corresponding path program 1 times [2018-12-08 17:04:58,531 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:04:58,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:58,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:04:58,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:04:58,531 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:04:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:04:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:04:58,593 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 17:04:58,609 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10737418244 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-12-08 17:04:58,610 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10737418247 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-12-08 17:04:58,610 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10737418259 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-12-08 17:04:58,610 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10737418254 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-12-08 17:04:58,610 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10737418249 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-12-08 17:04:58,611 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10737418267 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-12-08 17:04:58,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 05:04:58 BoogieIcfgContainer [2018-12-08 17:04:58,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 17:04:58,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:04:58,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:04:58,619 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:04:58,619 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:04:58" (3/4) ... [2018-12-08 17:04:58,621 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 17:04:58,622 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:04:58,622 INFO L168 Benchmark]: Toolchain (without parser) took 901.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.3 MB in the beginning and 1.0 GB in the end (delta: -86.4 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:04:58,623 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-08 17:04:58,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-12-08 17:04:58,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.01 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. [2018-12-08 17:04:58,624 INFO L168 Benchmark]: Boogie Preprocessor took 28.89 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. [2018-12-08 17:04:58,624 INFO L168 Benchmark]: RCFGBuilder took 306.87 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: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. [2018-12-08 17:04:58,625 INFO L168 Benchmark]: TraceAbstraction took 313.70 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: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. [2018-12-08 17:04:58,625 INFO L168 Benchmark]: Witness Printer took 2.99 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. [2018-12-08 17:04:58,627 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 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 227.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.01 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 28.89 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 306.87 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: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 313.70 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: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.99 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 10737418244 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10737418247 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10737418259 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#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10737418267 could not be translated for associated CType ARRAY#_4_~FLOAT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 228]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 227, overapproximation of someUnaryDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 133, overapproximation of someBinaryArithmeticFLOAToperation at line 135. Possible FailurePath: [L27-L32] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L45] 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, }; [L47-L49] 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; [L115-L116] 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)=10737418264, \old(one_atan)=10737418255, \old(pi)=10737418261, \old(pi_lo_atan2)=10737418253, \old(pi_o_2)=10737418241, \old(pi_o_4)=10737418258, \old(tiny_atan2)=10737418265, \old(zero_atan2)=10737418246, aT_atan={10737418248:0}, atanhi_atan={10737418250:0}, 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] [L221] float x = 1.0f / 0.0f; [L222] float y = 1.0f / 0.0f; VAL [aT_atan={10737418248:0}, atanhi_atan={10737418250:0}, 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] CALL, EXPR __ieee754_atan2f(y, x) VAL [\old(x)=10737418251, \old(y)=10737418252, aT_atan={10737418248:0}, atanhi_atan={10737418250:0}, 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] [L119] float z; [L120] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=10737418251, \old(y)=10737418252, aT_atan={10737418248:0}, atanhi_atan={10737418250:0}, 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=10737418251, y=10737418252, zero_atan2=0] [L123] ieee_float_shape_type gf_u; [L124] gf_u.value = (x) [L125] EXPR gf_u.word [L125] (hx) = gf_u.word [L127] ix = hx & 0x7fffffff VAL [\old(x)=10737418251, \old(y)=10737418252, aT_atan={10737418248:0}, atanhi_atan={10737418250:0}, 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=10737418251, y=10737418252, zero_atan2=0] [L129] ieee_float_shape_type gf_u; [L130] gf_u.value = (y) [L131] EXPR gf_u.word [L131] (hy) = gf_u.word [L133] iy = hy & 0x7fffffff VAL [\old(x)=10737418251, \old(y)=10737418252, aT_atan={10737418248:0}, atanhi_atan={10737418250:0}, 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=10737418251, y=10737418252, zero_atan2=0] [L134] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L135] return x + y; VAL [\old(x)=10737418251, \old(y)=10737418252, aT_atan={10737418248:0}, atanhi_atan={10737418250:0}, 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=10737418251, y=10737418252, zero_atan2=0] [L224] RET, EXPR __ieee754_atan2f(y, x) VAL [__ieee754_atan2f(y, x)=10737418243, aT_atan={10737418248:0}, atanhi_atan={10737418250:0}, 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=10737418251, y=10737418252, zero_atan2=0] [L224] float res = __ieee754_atan2f(y, x); [L227] COND TRUE res != pi_o_4 VAL [aT_atan={10737418248:0}, atanhi_atan={10737418250:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=10737418243, tiny_atan2=1/1000000000000000000000000000000, x=10737418251, y=10737418252, zero_atan2=0] [L228] __VERIFIER_error() VAL [aT_atan={10737418248:0}, atanhi_atan={10737418250:0}, atanlo_atan={10737418242:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=10737418243, tiny_atan2=1/1000000000000000000000000000000, x=10737418251, y=10737418252, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 99 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 138 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=99occurred 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, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:04:59,978 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:04:59,979 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:04:59,985 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:04:59,985 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:04:59,986 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:04:59,986 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:04:59,987 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:04:59,988 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:04:59,988 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:04:59,989 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:04:59,989 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:04:59,989 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:04:59,990 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:04:59,990 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:04:59,991 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:04:59,991 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:04:59,992 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:04:59,993 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:04:59,994 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:04:59,994 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:04:59,995 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:04:59,996 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:04:59,996 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:04:59,996 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:04:59,997 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:04:59,997 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:04:59,998 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:04:59,998 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:04:59,999 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:04:59,999 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:04:59,999 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:04:59,999 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:05:00,000 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:05:00,000 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:05:00,001 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:05:00,001 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-08 17:05:00,008 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:05:00,008 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:05:00,009 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:05:00,009 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 17:05:00,009 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 17:05:00,009 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 17:05:00,009 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 17:05:00,009 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 17:05:00,009 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 17:05:00,009 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 17:05:00,010 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:05:00,010 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:05:00,010 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:05:00,010 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:05:00,010 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:05:00,010 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:05:00,010 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:05:00,011 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 17:05:00,011 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 17:05:00,011 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:05:00,011 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:05:00,011 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:05:00,011 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:05:00,011 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:05:00,011 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:05:00,012 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:05:00,012 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 17:05:00,012 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:05:00,012 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:05:00,012 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:05:00,012 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:05:00,012 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 17:05:00,012 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:05:00,012 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 17:05:00,013 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 17:05:00,013 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_47619515-b443-4d81-a372-83c6c5af4a54/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 -> 2e4c57dd78ca61b194172b998a147be383066b6a [2018-12-08 17:05:00,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:05:00,041 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:05:00,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:05:00,045 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:05:00,045 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:05:00,045 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0686a_true-unreach-call.c [2018-12-08 17:05:00,090 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/data/7b364424b/fabbc65efab042bbae22d17aa0236630/FLAG402c340f7 [2018-12-08 17:05:00,428 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:05:00,429 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/sv-benchmarks/c/float-newlib/float_req_bl_0686a_true-unreach-call.c [2018-12-08 17:05:00,433 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/data/7b364424b/fabbc65efab042bbae22d17aa0236630/FLAG402c340f7 [2018-12-08 17:05:00,827 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/data/7b364424b/fabbc65efab042bbae22d17aa0236630 [2018-12-08 17:05:00,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:05:00,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:05:00,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:05:00,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:05:00,833 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:05:00,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:05:00" (1/1) ... [2018-12-08 17:05:00,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bdc2159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:00, skipping insertion in model container [2018-12-08 17:05:00,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:05:00" (1/1) ... [2018-12-08 17:05:00,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:05:00,854 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:05:00,974 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:05:00,981 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:05:01,015 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:05:01,033 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:05:01,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:01 WrapperNode [2018-12-08 17:05:01,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:05:01,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:05:01,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:05:01,034 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:05:01,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:01" (1/1) ... [2018-12-08 17:05:01,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:01" (1/1) ... [2018-12-08 17:05:01,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:05:01,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:05:01,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:05:01,084 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:05:01,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:01" (1/1) ... [2018-12-08 17:05:01,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:01" (1/1) ... [2018-12-08 17:05:01,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:01" (1/1) ... [2018-12-08 17:05:01,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:01" (1/1) ... [2018-12-08 17:05:01,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:01" (1/1) ... [2018-12-08 17:05:01,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:01" (1/1) ... [2018-12-08 17:05:01,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:01" (1/1) ... [2018-12-08 17:05:01,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:05:01,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:05:01,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:05:01,113 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:05:01,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/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 [2018-12-08 17:05:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2018-12-08 17:05:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2018-12-08 17:05:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-12-08 17:05:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 17:05:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 17:05:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-08 17:05:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 17:05:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 17:05:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-08 17:05:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-08 17:05:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 17:05:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 17:05:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:05:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:05:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-08 17:05:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-12-08 17:05:01,147 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-12-08 17:05:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 17:05:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 17:05:01,292 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:05:01,359 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:05:01,443 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:05:01,918 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:05:01,928 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:05:08,952 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:05:08,975 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:05:08,975 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-08 17:05:08,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:05:08 BoogieIcfgContainer [2018-12-08 17:05:08,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:05:08,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 17:05:08,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 17:05:08,978 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 17:05:08,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 05:05:00" (1/3) ... [2018-12-08 17:05:08,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f680dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:05:08, skipping insertion in model container [2018-12-08 17:05:08,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:01" (2/3) ... [2018-12-08 17:05:08,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f680dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:05:08, skipping insertion in model container [2018-12-08 17:05:08,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:05:08" (3/3) ... [2018-12-08 17:05:08,980 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0686a_true-unreach-call.c [2018-12-08 17:05:08,986 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 17:05:08,990 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 17:05:08,999 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 17:05:09,015 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 17:05:09,015 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 17:05:09,016 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 17:05:09,016 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 17:05:09,016 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:05:09,016 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:05:09,016 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 17:05:09,016 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:05:09,016 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 17:05:09,026 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states. [2018-12-08 17:05:09,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 17:05:09,030 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:05:09,030 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:05:09,031 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:05:09,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:09,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1988302874, now seen corresponding path program 1 times [2018-12-08 17:05:09,037 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:05:09,038 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/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 [2018-12-08 17:05:09,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:09,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:05:09,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:05:09,174 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:05:09,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:05:09,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 17:05:09,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 17:05:09,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 17:05:09,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 17:05:09,196 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 2 states. [2018-12-08 17:05:09,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:05:09,215 INFO L93 Difference]: Finished difference Result 190 states and 302 transitions. [2018-12-08 17:05:09,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 17:05:09,216 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-08 17:05:09,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:05:09,222 INFO L225 Difference]: With dead ends: 190 [2018-12-08 17:05:09,222 INFO L226 Difference]: Without dead ends: 95 [2018-12-08 17:05:09,224 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 17:05:09,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-12-08 17:05:09,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-12-08 17:05:09,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-08 17:05:09,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 134 transitions. [2018-12-08 17:05:09,251 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 134 transitions. Word has length 18 [2018-12-08 17:05:09,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:05:09,251 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 134 transitions. [2018-12-08 17:05:09,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 17:05:09,251 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 134 transitions. [2018-12-08 17:05:09,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 17:05:09,252 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:05:09,252 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:05:09,252 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:05:09,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:09,253 INFO L82 PathProgramCache]: Analyzing trace with hash -796728189, now seen corresponding path program 1 times [2018-12-08 17:05:09,253 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:05:09,253 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/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 [2018-12-08 17:05:09,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:09,371 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:05:09,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:05:09,639 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:05:09,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:05:09,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 17:05:09,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 17:05:09,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 17:05:09,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 17:05:09,650 INFO L87 Difference]: Start difference. First operand 95 states and 134 transitions. Second operand 9 states. [2018-12-08 17:05:11,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:05:11,679 INFO L93 Difference]: Finished difference Result 101 states and 139 transitions. [2018-12-08 17:05:11,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 17:05:11,680 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-12-08 17:05:11,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:05:11,681 INFO L225 Difference]: With dead ends: 101 [2018-12-08 17:05:11,681 INFO L226 Difference]: Without dead ends: 95 [2018-12-08 17:05:11,681 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2018-12-08 17:05:11,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-12-08 17:05:11,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-12-08 17:05:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-08 17:05:11,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 133 transitions. [2018-12-08 17:05:11,689 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 133 transitions. Word has length 20 [2018-12-08 17:05:11,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:05:11,689 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 133 transitions. [2018-12-08 17:05:11,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 17:05:11,689 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 133 transitions. [2018-12-08 17:05:11,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 17:05:11,690 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:05:11,690 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:05:11,690 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:05:11,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:11,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1284245852, now seen corresponding path program 1 times [2018-12-08 17:05:11,690 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:05:11,690 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/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 [2018-12-08 17:05:11,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:11,784 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:05:11,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:05:11,852 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:05:11,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:05:11,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:05:11,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:05:11,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:05:11,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:05:11,861 INFO L87 Difference]: Start difference. First operand 95 states and 133 transitions. Second operand 7 states. [2018-12-08 17:05:12,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:05:12,542 INFO L93 Difference]: Finished difference Result 184 states and 262 transitions. [2018-12-08 17:05:12,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:05:12,543 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-12-08 17:05:12,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:05:12,544 INFO L225 Difference]: With dead ends: 184 [2018-12-08 17:05:12,544 INFO L226 Difference]: Without dead ends: 89 [2018-12-08 17:05:12,544 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:05:12,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-12-08 17:05:12,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-12-08 17:05:12,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-12-08 17:05:12,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 122 transitions. [2018-12-08 17:05:12,551 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 122 transitions. Word has length 25 [2018-12-08 17:05:12,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:05:12,551 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 122 transitions. [2018-12-08 17:05:12,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:05:12,551 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2018-12-08 17:05:12,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 17:05:12,552 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:05:12,552 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:05:12,552 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:05:12,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:12,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1403402654, now seen corresponding path program 1 times [2018-12-08 17:05:12,552 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:05:12,553 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/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 [2018-12-08 17:05:12,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:12,664 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:05:12,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:05:12,735 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:05:12,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:05:12,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:05:12,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:05:12,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:05:12,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:05:12,744 INFO L87 Difference]: Start difference. First operand 89 states and 122 transitions. Second operand 7 states. [2018-12-08 17:05:13,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:05:13,435 INFO L93 Difference]: Finished difference Result 95 states and 127 transitions. [2018-12-08 17:05:13,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:05:13,436 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-12-08 17:05:13,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:05:13,437 INFO L225 Difference]: With dead ends: 95 [2018-12-08 17:05:13,437 INFO L226 Difference]: Without dead ends: 87 [2018-12-08 17:05:13,437 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:05:13,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-12-08 17:05:13,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-12-08 17:05:13,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-12-08 17:05:13,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 118 transitions. [2018-12-08 17:05:13,443 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 118 transitions. Word has length 25 [2018-12-08 17:05:13,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:05:13,444 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 118 transitions. [2018-12-08 17:05:13,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:05:13,444 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 118 transitions. [2018-12-08 17:05:13,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 17:05:13,444 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:05:13,444 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:05:13,445 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:05:13,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:13,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1937594242, now seen corresponding path program 1 times [2018-12-08 17:05:13,445 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:05:13,445 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/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 [2018-12-08 17:05:13,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:13,554 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:05:13,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:05:13,775 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:05:13,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:05:13,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 17:05:13,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 17:05:13,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:05:13,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-08 17:05:13,784 INFO L87 Difference]: Start difference. First operand 87 states and 118 transitions. Second operand 6 states. [2018-12-08 17:05:14,916 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-12-08 17:05:15,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:05:15,918 INFO L93 Difference]: Finished difference Result 93 states and 123 transitions. [2018-12-08 17:05:15,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 17:05:15,918 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-12-08 17:05:15,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:05:15,919 INFO L225 Difference]: With dead ends: 93 [2018-12-08 17:05:15,919 INFO L226 Difference]: Without dead ends: 87 [2018-12-08 17:05:15,919 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-08 17:05:15,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-12-08 17:05:15,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-12-08 17:05:15,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-12-08 17:05:15,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 117 transitions. [2018-12-08 17:05:15,926 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 117 transitions. Word has length 26 [2018-12-08 17:05:15,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:05:15,926 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 117 transitions. [2018-12-08 17:05:15,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 17:05:15,927 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2018-12-08 17:05:15,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 17:05:15,927 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:05:15,927 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:05:15,927 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:05:15,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:15,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1214585598, now seen corresponding path program 1 times [2018-12-08 17:05:15,928 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:05:15,928 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-08 17:05:15,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:16,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:05:16,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:05:16,117 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:05:16,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:05:16,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:05:16,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:05:16,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:05:16,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:05:16,131 INFO L87 Difference]: Start difference. First operand 87 states and 117 transitions. Second operand 7 states. [2018-12-08 17:05:16,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:05:16,619 INFO L93 Difference]: Finished difference Result 98 states and 129 transitions. [2018-12-08 17:05:16,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:05:16,619 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-12-08 17:05:16,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:05:16,620 INFO L225 Difference]: With dead ends: 98 [2018-12-08 17:05:16,620 INFO L226 Difference]: Without dead ends: 66 [2018-12-08 17:05:16,620 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:05:16,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-12-08 17:05:16,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-12-08 17:05:16,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-12-08 17:05:16,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 82 transitions. [2018-12-08 17:05:16,625 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 82 transitions. Word has length 26 [2018-12-08 17:05:16,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:05:16,625 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 82 transitions. [2018-12-08 17:05:16,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:05:16,625 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2018-12-08 17:05:16,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 17:05:16,626 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:05:16,626 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:05:16,626 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:05:16,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:16,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1681832746, now seen corresponding path program 1 times [2018-12-08 17:05:16,626 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:05:16,626 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-12-08 17:05:16,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:16,734 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:05:16,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:05:16,794 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:05:16,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:05:16,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:05:16,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:05:16,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:05:16,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:05:16,803 INFO L87 Difference]: Start difference. First operand 66 states and 82 transitions. Second operand 7 states. [2018-12-08 17:05:17,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:05:17,034 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions. [2018-12-08 17:05:17,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:05:17,035 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2018-12-08 17:05:17,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:05:17,035 INFO L225 Difference]: With dead ends: 75 [2018-12-08 17:05:17,035 INFO L226 Difference]: Without dead ends: 34 [2018-12-08 17:05:17,035 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:05:17,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-12-08 17:05:17,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-12-08 17:05:17,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-12-08 17:05:17,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2018-12-08 17:05:17,038 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 27 [2018-12-08 17:05:17,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:05:17,038 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2018-12-08 17:05:17,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:05:17,038 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-12-08 17:05:17,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 17:05:17,038 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:05:17,038 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:05:17,039 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:05:17,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:17,039 INFO L82 PathProgramCache]: Analyzing trace with hash 2030897752, now seen corresponding path program 1 times [2018-12-08 17:05:17,039 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:05:17,039 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-12-08 17:05:17,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:17,161 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:05:17,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:05:17,402 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:05:17,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:05:17,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 17:05:17,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 17:05:17,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 17:05:17,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 17:05:17,412 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 9 states. [2018-12-08 17:05:17,962 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-12-08 17:05:18,763 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-12-08 17:05:19,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:05:19,247 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2018-12-08 17:05:19,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 17:05:19,251 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2018-12-08 17:05:19,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:05:19,252 INFO L225 Difference]: With dead ends: 34 [2018-12-08 17:05:19,252 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 17:05:19,252 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2018-12-08 17:05:19,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 17:05:19,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 17:05:19,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 17:05:19,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 17:05:19,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-12-08 17:05:19,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:05:19,253 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 17:05:19,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 17:05:19,253 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 17:05:19,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:05:19,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 17:05:19,569 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2018-12-08 17:05:19,735 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-12-08 17:05:19,989 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2018-12-08 17:05:20,092 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-08 17:05:20,333 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2018-12-08 17:05:20,371 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:05:20,371 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:05:20,371 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:05:20,371 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-12-08 17:05:20,371 INFO L448 ceAbstractionStarter]: For program point __ieee754_atan2fEXIT(lines 118 213) no Hoare annotation was computed. [2018-12-08 17:05:20,371 INFO L448 ceAbstractionStarter]: For program point L143(line 143) no Hoare annotation was computed. [2018-12-08 17:05:20,371 INFO L448 ceAbstractionStarter]: For program point L201(lines 201 205) no Hoare annotation was computed. [2018-12-08 17:05:20,371 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 177) no Hoare annotation was computed. [2018-12-08 17:05:20,371 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 194 206) no Hoare annotation was computed. [2018-12-08 17:05:20,371 INFO L448 ceAbstractionStarter]: For program point L201-2(lines 201 205) no Hoare annotation was computed. [2018-12-08 17:05:20,371 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-08 17:05:20,371 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 190) no Hoare annotation was computed. [2018-12-08 17:05:20,372 INFO L448 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2018-12-08 17:05:20,372 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-08 17:05:20,372 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 137) no Hoare annotation was computed. [2018-12-08 17:05:20,372 INFO L448 ceAbstractionStarter]: For program point L194(line 194) no Hoare annotation was computed. [2018-12-08 17:05:20,372 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2018-12-08 17:05:20,372 INFO L444 ceAbstractionStarter]: At program point L128-2(lines 128 132) the Hoare annotation is: (or (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)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 4000000000.0))) ~pi_o_4~0)) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))))) [2018-12-08 17:05:20,372 INFO L448 ceAbstractionStarter]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2018-12-08 17:05:20,372 INFO L448 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-12-08 17:05:20,372 INFO L448 ceAbstractionStarter]: For program point L153-2(line 153) no Hoare annotation was computed. [2018-12-08 17:05:20,372 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-08 17:05:20,372 INFO L444 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 4000000000.0))) ~pi_o_4~0)) (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (exists ((__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) __ieee754_atan2f_~hx~1) (_ bv2155872256 32)) (_ bv0 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 (= (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))))) (= |__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| __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)))) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))))) [2018-12-08 17:05:20,372 INFO L448 ceAbstractionStarter]: For program point L137-1(line 137) no Hoare annotation was computed. [2018-12-08 17:05:20,372 INFO L448 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-12-08 17:05:20,372 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 190) no Hoare annotation was computed. [2018-12-08 17:05:20,372 INFO L448 ceAbstractionStarter]: For program point L187-2(lines 185 190) no Hoare annotation was computed. [2018-12-08 17:05:20,372 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-12-08 17:05:20,372 INFO L448 ceAbstractionStarter]: For program point L196-1(lines 196 200) no Hoare annotation was computed. [2018-12-08 17:05:20,373 INFO L444 ceAbstractionStarter]: At program point L196-2(lines 196 200) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 4000000000.0))) ~pi_o_4~0)) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0))))) (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (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_~hy~0 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) (_ bv2155872256 32)) (_ bv0 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))))) (= |__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| __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))))) [2018-12-08 17:05:20,373 INFO L448 ceAbstractionStarter]: For program point L155(lines 155 179) no Hoare annotation was computed. [2018-12-08 17:05:20,373 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 118 213) no Hoare annotation was computed. [2018-12-08 17:05:20,373 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 122 126) no Hoare annotation was computed. [2018-12-08 17:05:20,373 INFO L444 ceAbstractionStarter]: At program point L122-2(lines 122 126) the Hoare annotation is: (or (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y)) (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 4000000000.0))) ~pi_o_4~0)) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))))) [2018-12-08 17:05:20,373 INFO L448 ceAbstractionStarter]: For program point L122-3(lines 122 126) no Hoare annotation was computed. [2018-12-08 17:05:20,373 INFO L448 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-12-08 17:05:20,373 INFO L448 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-12-08 17:05:20,373 INFO L448 ceAbstractionStarter]: For program point L156(lines 156 178) no Hoare annotation was computed. [2018-12-08 17:05:20,373 INFO L448 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-12-08 17:05:20,373 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 150) no Hoare annotation was computed. [2018-12-08 17:05:20,373 INFO L448 ceAbstractionStarter]: For program point L140-2(lines 118 213) no Hoare annotation was computed. [2018-12-08 17:05:20,373 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 4000000000.0))) ~pi_o_4~0)) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0))))) (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (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_~hy~0 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) (_ bv2155872256 32)) (_ bv0 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))))) (= |__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| __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))))) [2018-12-08 17:05:20,373 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 166) no Hoare annotation was computed. [2018-12-08 17:05:20,373 INFO L444 ceAbstractionStarter]: At program point L190-1(line 190) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 4000000000.0))) ~pi_o_4~0)) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0))))) (and (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x) (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_~hy~0 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) (_ bv2155872256 32)) (_ bv0 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))))) (= |__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| __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))))) [2018-12-08 17:05:20,374 INFO L448 ceAbstractionStarter]: For program point L190-2(line 190) no Hoare annotation was computed. [2018-12-08 17:05:20,374 INFO L448 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2018-12-08 17:05:20,374 INFO L448 ceAbstractionStarter]: For program point L182-2(line 182) no Hoare annotation was computed. [2018-12-08 17:05:20,374 INFO L448 ceAbstractionStarter]: For program point __ieee754_atan2fFINAL(lines 118 213) no Hoare annotation was computed. [2018-12-08 17:05:20,374 INFO L451 ceAbstractionStarter]: At program point __ieee754_atan2fENTRY(lines 118 213) the Hoare annotation is: true [2018-12-08 17:05:20,374 INFO L448 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2018-12-08 17:05:20,374 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 212) no Hoare annotation was computed. [2018-12-08 17:05:20,374 INFO L448 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-12-08 17:05:20,374 INFO L448 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2018-12-08 17:05:20,374 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-08 17:05:20,374 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-08 17:05:20,374 INFO L448 ceAbstractionStarter]: For program point L142-2(line 142) no Hoare annotation was computed. [2018-12-08 17:05:20,374 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 135) no Hoare annotation was computed. [2018-12-08 17:05:20,374 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 12 25) no Hoare annotation was computed. [2018-12-08 17:05:20,374 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 12 25) no Hoare annotation was computed. [2018-12-08 17:05:20,374 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 12 25) the Hoare annotation is: true [2018-12-08 17:05:20,374 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 23) no Hoare annotation was computed. [2018-12-08 17:05:20,374 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 12 25) no Hoare annotation was computed. [2018-12-08 17:05:20,374 INFO L448 ceAbstractionStarter]: For program point L19-2(lines 19 23) no Hoare annotation was computed. [2018-12-08 17:05:20,374 INFO L448 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2018-12-08 17:05:20,374 INFO L451 ceAbstractionStarter]: At program point L14-2(lines 14 18) the Hoare annotation is: true [2018-12-08 17:05:20,375 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:05:20,375 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 4000000000.0))) ~pi_o_4~0) (= ~tiny_atan2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0))))) [2018-12-08 17:05:20,375 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:05:20,375 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:05:20,375 INFO L444 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 4000000000.0))) ~pi_o_4~0)) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0))))) (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (and (= main_~y~0 .cse0) (= main_~x~0 .cse0)))) [2018-12-08 17:05:20,375 INFO L448 ceAbstractionStarter]: For program point L224-1(line 224) no Hoare annotation was computed. [2018-12-08 17:05:20,375 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 215 233) the Hoare annotation is: true [2018-12-08 17:05:20,375 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 215 233) no Hoare annotation was computed. [2018-12-08 17:05:20,375 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 215 233) no Hoare annotation was computed. [2018-12-08 17:05:20,375 INFO L448 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2018-12-08 17:05:20,375 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 228) no Hoare annotation was computed. [2018-12-08 17:05:20,375 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 230) no Hoare annotation was computed. [2018-12-08 17:05:20,375 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 67) no Hoare annotation was computed. [2018-12-08 17:05:20,375 INFO L451 ceAbstractionStarter]: At program point atan_floatENTRY(lines 51 113) the Hoare annotation is: true [2018-12-08 17:05:20,375 INFO L448 ceAbstractionStarter]: For program point atan_floatFINAL(lines 51 113) no Hoare annotation was computed. [2018-12-08 17:05:20,375 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 93) no Hoare annotation was computed. [2018-12-08 17:05:20,375 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 94) no Hoare annotation was computed. [2018-12-08 17:05:20,375 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 68) no Hoare annotation was computed. [2018-12-08 17:05:20,376 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 92) no Hoare annotation was computed. [2018-12-08 17:05:20,376 INFO L448 ceAbstractionStarter]: For program point L86-2(lines 69 94) no Hoare annotation was computed. [2018-12-08 17:05:20,376 INFO L448 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-12-08 17:05:20,376 INFO L448 ceAbstractionStarter]: For program point L78(lines 78 84) no Hoare annotation was computed. [2018-12-08 17:05:20,376 INFO L448 ceAbstractionStarter]: For program point L111-2(line 111) no Hoare annotation was computed. [2018-12-08 17:05:20,376 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2018-12-08 17:05:20,376 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-12-08 17:05:20,376 INFO L448 ceAbstractionStarter]: For program point L70-2(lines 70 73) no Hoare annotation was computed. [2018-12-08 17:05:20,376 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 63) no Hoare annotation was computed. [2018-12-08 17:05:20,376 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-12-08 17:05:20,376 INFO L448 ceAbstractionStarter]: For program point atan_floatEXIT(lines 51 113) no Hoare annotation was computed. [2018-12-08 17:05:20,376 INFO L448 ceAbstractionStarter]: For program point L55-1(lines 55 59) no Hoare annotation was computed. [2018-12-08 17:05:20,376 INFO L451 ceAbstractionStarter]: At program point L55-2(lines 55 59) the Hoare annotation is: true [2018-12-08 17:05:20,376 INFO L448 ceAbstractionStarter]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2018-12-08 17:05:20,376 INFO L451 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: true [2018-12-08 17:05:20,376 INFO L448 ceAbstractionStarter]: For program point L76-1(line 76) no Hoare annotation was computed. [2018-12-08 17:05:20,379 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,380 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,380 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,380 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,382 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,382 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,382 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,382 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,385 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,385 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,385 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,385 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,385 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,385 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,385 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,385 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,387 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,387 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,387 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,387 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,387 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,387 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,388 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,388 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,388 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,388 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,388 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,388 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,388 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,388 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,388 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,388 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,389 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,389 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,389 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,389 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,389 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,389 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,389 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,389 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,390 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,390 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,390 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,390 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,390 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,390 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,390 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,390 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,390 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,390 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,391 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 05:05:20 BoogieIcfgContainer [2018-12-08 17:05:20,392 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 17:05:20,392 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:05:20,392 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:05:20,392 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:05:20,393 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:05:08" (3/4) ... [2018-12-08 17:05:20,395 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:05:20,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 17:05:20,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_atan2f [2018-12-08 17:05:20,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-12-08 17:05:20,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 17:05:20,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2018-12-08 17:05:20,403 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-08 17:05:20,403 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 17:05:20,404 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 17:05:20,404 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 17:05:20,420 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(x) == x && \old(y) == y) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/4000000000)) == pi_o_4)) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) [2018-12-08 17:05:20,420 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])) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/4000000000)) == pi_o_4)) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) [2018-12-08 17:05:20,421 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/4000000000)) == pi_o_4) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000)))) || ((((((\old(x) == x && (\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_~hy~0 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0), 2155872256bv32) == 0bv32) && \old(y) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hy~0[31:31], __ieee754_atan2f_~hy~0[30:23], __ieee754_atan2f_~hy~0[22:0]))) && \old(y) == ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[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) == y) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) [2018-12-08 17:05:20,443 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_47619515-b443-4d81-a372-83c6c5af4a54/bin-2019/utaipan/witness.graphml [2018-12-08 17:05:20,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:05:20,444 INFO L168 Benchmark]: Toolchain (without parser) took 19614.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 943.4 MB in the beginning and 972.7 MB in the end (delta: -29.3 MB). Peak memory consumption was 166.8 MB. Max. memory is 11.5 GB. [2018-12-08 17:05:20,445 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-12-08 17:05:20,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.32 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 921.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-08 17:05:20,445 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -198.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:05:20,445 INFO L168 Benchmark]: Boogie Preprocessor took 29.71 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. [2018-12-08 17:05:20,445 INFO L168 Benchmark]: RCFGBuilder took 7862.41 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2018-12-08 17:05:20,445 INFO L168 Benchmark]: TraceAbstraction took 11415.79 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.4 MB). Free memory was 1.1 GB in the beginning and 979.9 MB in the end (delta: 89.9 MB). Peak memory consumption was 152.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:05:20,445 INFO L168 Benchmark]: Witness Printer took 51.53 ms. Allocated memory is still 1.2 GB. Free memory was 979.9 MB in the beginning and 972.7 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-08 17:05:20,446 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 202.32 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 921.9 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 49.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -198.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.71 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 7862.41 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11415.79 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.4 MB). Free memory was 1.1 GB in the beginning and 979.9 MB in the end (delta: 89.9 MB). Peak memory consumption was 152.3 MB. Max. memory is 11.5 GB. * Witness Printer took 51.53 ms. Allocated memory is still 1.2 GB. Free memory was 979.9 MB in the beginning and 972.7 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 228]: 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: 128]: Loop Invariant [2018-12-08 17:05:20,449 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,450 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,450 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,450 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,450 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,450 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,450 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,450 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,451 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,451 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,451 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,451 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,452 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,452 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,452 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,452 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven 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])) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/4000000000)) == pi_o_4)) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) - InvariantResult [Line: 122]: Loop Invariant [2018-12-08 17:05:20,452 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,453 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,453 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,453 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,453 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,453 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,453 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,453 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\old(x) == x && \old(y) == y) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/4000000000)) == pi_o_4)) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) - InvariantResult [Line: 196]: Loop Invariant [2018-12-08 17:05:20,454 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,454 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,454 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,454 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,454 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,454 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,456 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,456 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,456 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,456 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,456 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:05:20,456 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,456 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-12-08 17:05:20,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-12-08 17:05:20,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/4000000000)) == pi_o_4) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000)))) || ((((((\old(x) == x && (\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_~hy~0 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0), 2155872256bv32) == 0bv32) && \old(y) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hy~0[31:31], __ieee754_atan2f_~hy~0[30:23], __ieee754_atan2f_~hy~0[22:0]))) && \old(y) == ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[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) == y) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 99 locations, 1 error locations. SAFE Result, 11.3s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 8.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 818 SDtfs, 1288 SDslu, 2237 SDs, 0 SdLazy, 446 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 211 GetRequests, 147 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred 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, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 44 PreInvPairs, 62 NumberOfFragments, 503 HoareAnnotationTreeSize, 44 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 534 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 186 ConstructedInterpolants, 55 QuantifiedInterpolants, 46736 SizeOfPredicates, 34 NumberOfNonLiveVariables, 1219 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...