./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0685b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0685b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/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 537462a5131aafb9b2ecf7462865d2b69f5f67e9 .................................................................................................................................................................................................................................................................................................................................................................... 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_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0685b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/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 537462a5131aafb9b2ecf7462865d2b69f5f67e9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:17:59,761 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:17:59,762 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:17:59,771 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:17:59,771 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:17:59,772 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:17:59,773 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:17:59,775 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:17:59,776 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:17:59,777 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:17:59,777 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:17:59,777 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:17:59,779 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:17:59,779 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:17:59,780 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:17:59,782 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:17:59,783 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:17:59,784 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:17:59,786 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:17:59,787 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:17:59,788 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:17:59,789 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:17:59,791 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:17:59,791 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:17:59,791 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:17:59,792 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:17:59,793 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:17:59,794 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:17:59,794 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:17:59,795 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:17:59,795 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:17:59,796 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:17:59,796 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:17:59,796 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:17:59,797 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:17:59,797 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:17:59,797 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:17:59,808 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:17:59,808 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:17:59,809 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:17:59,809 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:17:59,809 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:17:59,809 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:17:59,809 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:17:59,809 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:17:59,809 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:17:59,809 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:17:59,809 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:17:59,810 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:17:59,810 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:17:59,810 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:17:59,810 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:17:59,810 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:17:59,810 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:17:59,811 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:17:59,811 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:17:59,811 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:17:59,811 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:17:59,811 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:17:59,811 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:17:59,811 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:17:59,811 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:17:59,812 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:17:59,812 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:17:59,812 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:17:59,812 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:17:59,812 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:17:59,812 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:17:59,812 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:17:59,812 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:17:59,812 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:17:59,813 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:17:59,813 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:17:59,813 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:17:59,813 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_01b085ee-bc80-4a70-9772-76578333a99e/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 -> 537462a5131aafb9b2ecf7462865d2b69f5f67e9 [2018-11-18 17:17:59,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:17:59,846 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:17:59,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:17:59,852 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:17:59,852 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:17:59,853 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0685b_true-unreach-call.c [2018-11-18 17:17:59,900 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/data/61b270702/c7a000a0932e4a488a075f81fb4276a1/FLAG725a24af0 [2018-11-18 17:18:00,274 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:18:00,274 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/sv-benchmarks/c/float-newlib/float_req_bl_0685b_true-unreach-call.c [2018-11-18 17:18:00,281 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/data/61b270702/c7a000a0932e4a488a075f81fb4276a1/FLAG725a24af0 [2018-11-18 17:18:00,673 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/data/61b270702/c7a000a0932e4a488a075f81fb4276a1 [2018-11-18 17:18:00,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:18:00,677 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:18:00,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:18:00,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:18:00,681 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:18:00,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:18:00" (1/1) ... [2018-11-18 17:18:00,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7764f50d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:00, skipping insertion in model container [2018-11-18 17:18:00,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:18:00" (1/1) ... [2018-11-18 17:18:00,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:18:00,726 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:18:00,881 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:18:00,886 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:18:00,924 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:18:00,945 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:18:00,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:00 WrapperNode [2018-11-18 17:18:00,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:18:00,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:18:00,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:18:00,947 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:18:01,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:00" (1/1) ... [2018-11-18 17:18:01,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:00" (1/1) ... [2018-11-18 17:18:01,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:18:01,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:18:01,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:18:01,066 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:18:01,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:00" (1/1) ... [2018-11-18 17:18:01,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:00" (1/1) ... [2018-11-18 17:18:01,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:00" (1/1) ... [2018-11-18 17:18:01,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:00" (1/1) ... [2018-11-18 17:18:01,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:00" (1/1) ... [2018-11-18 17:18:01,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:00" (1/1) ... [2018-11-18 17:18:01,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:00" (1/1) ... [2018-11-18 17:18:01,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:18:01,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:18:01,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:18:01,108 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:18:01,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/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 [2018-11-18 17:18:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2018-11-18 17:18:01,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2018-11-18 17:18:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:18:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:18:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 17:18:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 17:18:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 17:18:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:18:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:18:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 17:18:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-18 17:18:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-18 17:18:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:18:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:18:01,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:18:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 17:18:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-11-18 17:18:01,167 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-11-18 17:18:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:18:01,791 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:18:01,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:18:01 BoogieIcfgContainer [2018-11-18 17:18:01,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:18:01,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:18:01,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:18:01,795 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:18:01,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:18:00" (1/3) ... [2018-11-18 17:18:01,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a3476c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:18:01, skipping insertion in model container [2018-11-18 17:18:01,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:00" (2/3) ... [2018-11-18 17:18:01,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a3476c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:18:01, skipping insertion in model container [2018-11-18 17:18:01,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:18:01" (3/3) ... [2018-11-18 17:18:01,797 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0685b_true-unreach-call.c [2018-11-18 17:18:01,803 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:18:01,809 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:18:01,819 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:18:01,842 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:18:01,842 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:18:01,842 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:18:01,842 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:18:01,842 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:18:01,842 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:18:01,842 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:18:01,842 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:18:01,855 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states. [2018-11-18 17:18:01,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 17:18:01,859 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:18:01,860 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:18:01,862 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:18:01,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:18:01,866 INFO L82 PathProgramCache]: Analyzing trace with hash -148291857, now seen corresponding path program 1 times [2018-11-18 17:18:01,867 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:18:01,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:18:01,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:18:01,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:18:01,906 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:18:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:02,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:02,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:18:02,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:18:02,012 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:18:02,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:18:02,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:18:02,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:18:02,026 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 2 states. [2018-11-18 17:18:02,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:18:02,054 INFO L93 Difference]: Finished difference Result 190 states and 302 transitions. [2018-11-18 17:18:02,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:18:02,056 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-18 17:18:02,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:18:02,064 INFO L225 Difference]: With dead ends: 190 [2018-11-18 17:18:02,064 INFO L226 Difference]: Without dead ends: 95 [2018-11-18 17:18:02,072 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:18:02,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-18 17:18:02,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-18 17:18:02,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-18 17:18:02,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 134 transitions. [2018-11-18 17:18:02,109 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 134 transitions. Word has length 18 [2018-11-18 17:18:02,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:18:02,109 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 134 transitions. [2018-11-18 17:18:02,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:18:02,109 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 134 transitions. [2018-11-18 17:18:02,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:18:02,110 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:18:02,110 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:18:02,111 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:18:02,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:18:02,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1058934535, now seen corresponding path program 1 times [2018-11-18 17:18:02,111 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:18:02,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:18:02,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:18:02,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:18:02,113 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:18:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:18:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:18:02,242 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 17:18:02,274 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450964 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-18 17:18:02,275 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450948 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-18 17:18:02,275 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450952 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-18 17:18:02,275 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450959 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-18 17:18:02,275 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450954 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-18 17:18:02,276 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450974 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-18 17:18:02,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:18:02 BoogieIcfgContainer [2018-11-18 17:18:02,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:18:02,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:18:02,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:18:02,293 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:18:02,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:18:01" (3/4) ... [2018-11-18 17:18:02,298 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 17:18:02,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:18:02,301 INFO L168 Benchmark]: Toolchain (without parser) took 1625.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 962.3 MB in the beginning and 1.1 GB in the end (delta: -96.1 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:02,303 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:18:02,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.46 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 940.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:02,304 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:02,304 INFO L168 Benchmark]: Boogie Preprocessor took 41.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:18:02,304 INFO L168 Benchmark]: RCFGBuilder took 684.51 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:02,305 INFO L168 Benchmark]: TraceAbstraction took 500.38 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: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:02,305 INFO L168 Benchmark]: Witness Printer took 4.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:18:02,308 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 268.46 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 940.8 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 119.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 684.51 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 500.38 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: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450964 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450948 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450952 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450959 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450954 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450974 could not be translated for associated CType ARRAY#_4_~FLOAT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 229]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 228, overapproximation of someUnaryDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 133, overapproximation of someBinaryArithmeticFLOAToperation at line 135. Possible FailurePath: [L27-L32] FCALL static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] FCALL static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L45] FCALL 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)=6442450970, \old(one_atan)=6442450960, \old(pi)=6442450966, \old(pi_lo_atan2)=6442450958, \old(pi_o_2)=6442450945, \old(pi_o_4)=6442450963, \old(tiny_atan2)=6442450971, \old(zero_atan2)=6442450951, aT_atan={6442450953:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, 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] [L222] float x = -1.0f / 0.0f; [L223] float y = -1.0f / 0.0f; VAL [aT_atan={6442450953:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, 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] [L225] CALL, EXPR __ieee754_atan2f(y, x) VAL [\old(x)=6442450956, \old(y)=6442450957, aT_atan={6442450953:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, 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)=6442450956, \old(y)=6442450957, aT_atan={6442450953:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450956, y=6442450957, zero_atan2=0] [L123] FCALL ieee_float_shape_type gf_u; [L124] FCALL gf_u.value = (x) [L125] EXPR, FCALL gf_u.word [L125] (hx) = gf_u.word [L126] COND FALSE !(0) VAL [\old(x)=6442450956, \old(y)=6442450957, aT_atan={6442450953:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, hx=3, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450956, y=6442450957, zero_atan2=0] [L127] ix = hx & 0x7fffffff VAL [\old(x)=6442450956, \old(y)=6442450957, aT_atan={6442450953:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, hx=3, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450956, y=6442450957, zero_atan2=0] [L129] FCALL ieee_float_shape_type gf_u; [L130] FCALL gf_u.value = (y) [L131] EXPR, FCALL gf_u.word [L131] (hy) = gf_u.word [L132] COND FALSE !(0) VAL [\old(x)=6442450956, \old(y)=6442450957, aT_atan={6442450953:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, hx=3, hy=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450956, y=6442450957, zero_atan2=0] [L133] iy = hy & 0x7fffffff VAL [\old(x)=6442450956, \old(y)=6442450957, aT_atan={6442450953:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, hx=3, hy=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450956, y=6442450957, zero_atan2=0] [L134] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L135] RET return x + y; VAL [\old(x)=6442450956, \old(y)=6442450957, aT_atan={6442450953:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, hx=3, 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=6442450956, y=6442450957, zero_atan2=0] [L225] EXPR __ieee754_atan2f(y, x) VAL [__ieee754_atan2f(y, x)=6442450947, aT_atan={6442450953:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6442450956, y=6442450957, zero_atan2=0] [L225] float res = __ieee754_atan2f(y, x); [L228] COND TRUE res != -3 * pi_o_4 VAL [aT_atan={6442450953:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=6442450947, tiny_atan2=1/1000000000000000000000000000000, x=6442450956, y=6442450957, zero_atan2=0] [L229] __VERIFIER_error() VAL [aT_atan={6442450953:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=6442450947, tiny_atan2=1/1000000000000000000000000000000, x=6442450956, y=6442450957, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 99 locations, 1 error locations. UNSAFE Result, 0.4s 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 0.1.23-5842f4b [2018-11-18 17:18:03,790 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:18:03,791 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:18:03,800 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:18:03,800 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:18:03,801 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:18:03,802 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:18:03,803 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:18:03,804 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:18:03,805 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:18:03,806 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:18:03,806 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:18:03,807 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:18:03,807 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:18:03,808 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:18:03,809 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:18:03,809 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:18:03,811 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:18:03,812 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:18:03,813 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:18:03,814 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:18:03,815 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:18:03,816 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:18:03,817 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:18:03,817 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:18:03,817 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:18:03,818 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:18:03,819 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:18:03,819 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:18:03,820 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:18:03,820 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:18:03,821 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:18:03,821 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:18:03,821 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:18:03,822 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:18:03,822 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:18:03,823 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 17:18:03,833 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:18:03,833 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:18:03,834 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:18:03,834 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:18:03,834 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:18:03,834 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:18:03,835 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:18:03,835 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:18:03,835 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:18:03,835 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:18:03,835 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:18:03,836 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:18:03,836 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:18:03,836 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:18:03,836 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:18:03,836 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:18:03,836 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:18:03,836 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 17:18:03,837 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 17:18:03,837 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:18:03,837 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:18:03,837 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:18:03,837 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:18:03,837 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:18:03,837 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:18:03,838 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:18:03,838 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:18:03,838 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:18:03,838 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:18:03,838 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:18:03,838 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:18:03,838 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 17:18:03,838 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:18:03,839 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 17:18:03,839 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 17:18:03,839 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_01b085ee-bc80-4a70-9772-76578333a99e/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 -> 537462a5131aafb9b2ecf7462865d2b69f5f67e9 [2018-11-18 17:18:03,869 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:18:03,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:18:03,881 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:18:03,882 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:18:03,882 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:18:03,883 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0685b_true-unreach-call.c [2018-11-18 17:18:03,927 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/data/573b10d0f/c9bbc92985b44628be60b50b5dd32b83/FLAG1a1f5c758 [2018-11-18 17:18:04,263 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:18:04,263 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/sv-benchmarks/c/float-newlib/float_req_bl_0685b_true-unreach-call.c [2018-11-18 17:18:04,268 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/data/573b10d0f/c9bbc92985b44628be60b50b5dd32b83/FLAG1a1f5c758 [2018-11-18 17:18:04,683 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/data/573b10d0f/c9bbc92985b44628be60b50b5dd32b83 [2018-11-18 17:18:04,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:18:04,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:18:04,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:18:04,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:18:04,690 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:18:04,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:18:04" (1/1) ... [2018-11-18 17:18:04,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a214175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:04, skipping insertion in model container [2018-11-18 17:18:04,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:18:04" (1/1) ... [2018-11-18 17:18:04,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:18:04,718 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:18:04,892 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:18:04,899 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:18:04,939 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:18:04,965 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:18:04,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:04 WrapperNode [2018-11-18 17:18:04,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:18:04,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:18:04,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:18:04,967 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:18:04,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:04" (1/1) ... [2018-11-18 17:18:04,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:04" (1/1) ... [2018-11-18 17:18:04,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:18:04,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:18:04,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:18:04,997 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:18:05,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:04" (1/1) ... [2018-11-18 17:18:05,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:04" (1/1) ... [2018-11-18 17:18:05,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:04" (1/1) ... [2018-11-18 17:18:05,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:04" (1/1) ... [2018-11-18 17:18:05,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:04" (1/1) ... [2018-11-18 17:18:05,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:04" (1/1) ... [2018-11-18 17:18:05,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:04" (1/1) ... [2018-11-18 17:18:05,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:18:05,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:18:05,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:18:05,079 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:18:05,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/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 [2018-11-18 17:18:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2018-11-18 17:18:05,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2018-11-18 17:18:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:18:05,114 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:18:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 17:18:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:18:05,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:18:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-18 17:18:05,115 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-18 17:18:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:18:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 17:18:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-18 17:18:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:18:05,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:18:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 17:18:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-11-18 17:18:05,116 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-11-18 17:18:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 17:18:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:18:05,268 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:18:06,555 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:18:06,571 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:18:14,142 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:18:14,150 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:18:14,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:18:14 BoogieIcfgContainer [2018-11-18 17:18:14,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:18:14,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:18:14,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:18:14,153 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:18:14,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:18:04" (1/3) ... [2018-11-18 17:18:14,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41539dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:18:14, skipping insertion in model container [2018-11-18 17:18:14,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:04" (2/3) ... [2018-11-18 17:18:14,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41539dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:18:14, skipping insertion in model container [2018-11-18 17:18:14,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:18:14" (3/3) ... [2018-11-18 17:18:14,156 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0685b_true-unreach-call.c [2018-11-18 17:18:14,164 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:18:14,171 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:18:14,181 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:18:14,200 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 17:18:14,201 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:18:14,201 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:18:14,201 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:18:14,201 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:18:14,201 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:18:14,202 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:18:14,202 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:18:14,202 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:18:14,215 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states. [2018-11-18 17:18:14,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 17:18:14,220 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:18:14,221 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:18:14,222 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:18:14,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:18:14,226 INFO L82 PathProgramCache]: Analyzing trace with hash -148291857, now seen corresponding path program 1 times [2018-11-18 17:18:14,229 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:18:14,229 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/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 [2018-11-18 17:18:14,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:18:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:14,385 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:18:14,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:14,397 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:18:14,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:18:14,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:18:14,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:18:14,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:18:14,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:18:14,425 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 2 states. [2018-11-18 17:18:14,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:18:14,447 INFO L93 Difference]: Finished difference Result 190 states and 302 transitions. [2018-11-18 17:18:14,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:18:14,448 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-18 17:18:14,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:18:14,458 INFO L225 Difference]: With dead ends: 190 [2018-11-18 17:18:14,458 INFO L226 Difference]: Without dead ends: 95 [2018-11-18 17:18:14,461 INFO L604 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 [2018-11-18 17:18:14,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-18 17:18:14,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-18 17:18:14,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-18 17:18:14,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 134 transitions. [2018-11-18 17:18:14,493 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 134 transitions. Word has length 18 [2018-11-18 17:18:14,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:18:14,494 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 134 transitions. [2018-11-18 17:18:14,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:18:14,494 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 134 transitions. [2018-11-18 17:18:14,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:18:14,494 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:18:14,494 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:18:14,495 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:18:14,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:18:14,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1058934535, now seen corresponding path program 1 times [2018-11-18 17:18:14,495 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:18:14,496 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/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 [2018-11-18 17:18:14,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:18:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:14,655 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:18:14,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:14,955 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:18:14,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:18:14,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 17:18:14,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:18:14,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:18:14,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:18:14,966 INFO L87 Difference]: Start difference. First operand 95 states and 134 transitions. Second operand 9 states. [2018-11-18 17:18:16,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:18:16,693 INFO L93 Difference]: Finished difference Result 101 states and 139 transitions. [2018-11-18 17:18:16,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 17:18:16,694 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-11-18 17:18:16,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:18:16,695 INFO L225 Difference]: With dead ends: 101 [2018-11-18 17:18:16,695 INFO L226 Difference]: Without dead ends: 95 [2018-11-18 17:18:16,696 INFO L604 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 [2018-11-18 17:18:16,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-18 17:18:16,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-18 17:18:16,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-18 17:18:16,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 133 transitions. [2018-11-18 17:18:16,706 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 133 transitions. Word has length 20 [2018-11-18 17:18:16,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:18:16,706 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 133 transitions. [2018-11-18 17:18:16,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:18:16,706 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 133 transitions. [2018-11-18 17:18:16,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:18:16,707 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:18:16,707 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:18:16,707 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:18:16,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:18:16,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1480073484, now seen corresponding path program 1 times [2018-11-18 17:18:16,708 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:18:16,708 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/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 [2018-11-18 17:18:16,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:18:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:16,844 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:18:16,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:16,925 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:18:16,933 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:18:16,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:18:16,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:18:16,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:18:16,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:18:16,935 INFO L87 Difference]: Start difference. First operand 95 states and 133 transitions. Second operand 7 states. [2018-11-18 17:18:18,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:18:18,329 INFO L93 Difference]: Finished difference Result 101 states and 138 transitions. [2018-11-18 17:18:18,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:18:18,330 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-11-18 17:18:18,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:18:18,330 INFO L225 Difference]: With dead ends: 101 [2018-11-18 17:18:18,331 INFO L226 Difference]: Without dead ends: 93 [2018-11-18 17:18:18,331 INFO L604 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 [2018-11-18 17:18:18,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-11-18 17:18:18,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-11-18 17:18:18,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-11-18 17:18:18,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 129 transitions. [2018-11-18 17:18:18,341 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 129 transitions. Word has length 25 [2018-11-18 17:18:18,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:18:18,341 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 129 transitions. [2018-11-18 17:18:18,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:18:18,342 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2018-11-18 17:18:18,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:18:18,342 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:18:18,343 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:18:18,343 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:18:18,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:18:18,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1599230286, now seen corresponding path program 1 times [2018-11-18 17:18:18,343 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:18:18,343 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/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 [2018-11-18 17:18:18,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:18:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:18,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:18:18,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:18,527 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:18:18,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:18:18,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:18:18,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:18:18,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:18:18,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:18:18,537 INFO L87 Difference]: Start difference. First operand 93 states and 129 transitions. Second operand 7 states. [2018-11-18 17:18:19,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:18:19,161 INFO L93 Difference]: Finished difference Result 180 states and 254 transitions. [2018-11-18 17:18:19,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:18:19,162 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-11-18 17:18:19,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:18:19,163 INFO L225 Difference]: With dead ends: 180 [2018-11-18 17:18:19,163 INFO L226 Difference]: Without dead ends: 87 [2018-11-18 17:18:19,164 INFO L604 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 [2018-11-18 17:18:19,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-11-18 17:18:19,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-11-18 17:18:19,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-11-18 17:18:19,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 118 transitions. [2018-11-18 17:18:19,170 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 118 transitions. Word has length 25 [2018-11-18 17:18:19,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:18:19,170 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 118 transitions. [2018-11-18 17:18:19,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:18:19,170 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 118 transitions. [2018-11-18 17:18:19,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:18:19,171 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:18:19,171 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:18:19,171 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:18:19,172 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:18:19,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1071101816, now seen corresponding path program 1 times [2018-11-18 17:18:19,172 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:18:19,172 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/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 [2018-11-18 17:18:19,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:18:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:19,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:18:19,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:19,481 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:18:19,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:18:19,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 17:18:19,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 17:18:19,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 17:18:19,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:18:19,490 INFO L87 Difference]: Start difference. First operand 87 states and 118 transitions. Second operand 8 states. [2018-11-18 17:18:21,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:18:21,208 INFO L93 Difference]: Finished difference Result 95 states and 125 transitions. [2018-11-18 17:18:21,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 17:18:21,209 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2018-11-18 17:18:21,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:18:21,210 INFO L225 Difference]: With dead ends: 95 [2018-11-18 17:18:21,211 INFO L226 Difference]: Without dead ends: 85 [2018-11-18 17:18:21,211 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:18:21,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-11-18 17:18:21,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-11-18 17:18:21,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-18 17:18:21,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 112 transitions. [2018-11-18 17:18:21,219 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 112 transitions. Word has length 26 [2018-11-18 17:18:21,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:18:21,219 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 112 transitions. [2018-11-18 17:18:21,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 17:18:21,219 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2018-11-18 17:18:21,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:18:21,220 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:18:21,220 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:18:21,220 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:18:21,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:18:21,221 INFO L82 PathProgramCache]: Analyzing trace with hash -2081078024, now seen corresponding path program 1 times [2018-11-18 17:18:21,221 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:18:21,221 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/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 [2018-11-18 17:18:21,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:18:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:21,373 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:18:21,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:21,480 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:18:21,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:18:21,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:18:21,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:18:21,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:18:21,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:18:21,494 INFO L87 Difference]: Start difference. First operand 85 states and 112 transitions. Second operand 7 states. [2018-11-18 17:18:21,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:18:21,941 INFO L93 Difference]: Finished difference Result 96 states and 124 transitions. [2018-11-18 17:18:21,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:18:21,941 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-11-18 17:18:21,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:18:21,942 INFO L225 Difference]: With dead ends: 96 [2018-11-18 17:18:21,942 INFO L226 Difference]: Without dead ends: 34 [2018-11-18 17:18:21,945 INFO L604 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 [2018-11-18 17:18:21,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-18 17:18:21,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-18 17:18:21,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-18 17:18:21,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2018-11-18 17:18:21,948 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 26 [2018-11-18 17:18:21,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:18:21,948 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2018-11-18 17:18:21,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:18:21,948 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-11-18 17:18:21,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 17:18:21,949 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:18:21,949 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:18:21,949 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:18:21,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:18:21,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1461733632, now seen corresponding path program 1 times [2018-11-18 17:18:21,949 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:18:21,949 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/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 [2018-11-18 17:18:21,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:18:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:22,088 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:18:22,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:22,163 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:18:22,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:18:22,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:18:22,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:18:22,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:18:22,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:18:22,172 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 7 states. [2018-11-18 17:18:22,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:18:22,367 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2018-11-18 17:18:22,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:18:22,368 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2018-11-18 17:18:22,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:18:22,369 INFO L225 Difference]: With dead ends: 43 [2018-11-18 17:18:22,369 INFO L226 Difference]: Without dead ends: 34 [2018-11-18 17:18:22,369 INFO L604 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 [2018-11-18 17:18:22,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-18 17:18:22,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-18 17:18:22,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-18 17:18:22,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2018-11-18 17:18:22,372 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 27 [2018-11-18 17:18:22,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:18:22,372 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2018-11-18 17:18:22,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:18:22,372 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2018-11-18 17:18:22,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 17:18:22,373 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:18:22,373 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:18:22,373 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:18:22,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:18:22,373 INFO L82 PathProgramCache]: Analyzing trace with hash -650773708, now seen corresponding path program 1 times [2018-11-18 17:18:22,374 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:18:22,374 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/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 [2018-11-18 17:18:22,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:18:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:22,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:18:22,887 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2018-11-18 17:18:23,064 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2018-11-18 17:18:23,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:23,187 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:18:23,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:18:23,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-18 17:18:23,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 17:18:23,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 17:18:23,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:18:23,202 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand 11 states. [2018-11-18 17:18:23,841 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2018-11-18 17:18:24,119 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-11-18 17:18:25,202 WARN L180 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2018-11-18 17:18:26,122 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-11-18 17:18:26,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:18:26,123 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2018-11-18 17:18:26,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 17:18:26,123 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 28 [2018-11-18 17:18:26,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:18:26,124 INFO L225 Difference]: With dead ends: 43 [2018-11-18 17:18:26,124 INFO L226 Difference]: Without dead ends: 34 [2018-11-18 17:18:26,124 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:18:26,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-18 17:18:26,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-18 17:18:26,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-18 17:18:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2018-11-18 17:18:26,127 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 28 [2018-11-18 17:18:26,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:18:26,127 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2018-11-18 17:18:26,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 17:18:26,127 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-11-18 17:18:26,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 17:18:26,128 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:18:26,128 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:18:26,128 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:18:26,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:18:26,128 INFO L82 PathProgramCache]: Analyzing trace with hash -730003650, now seen corresponding path program 1 times [2018-11-18 17:18:26,128 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:18:26,129 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-11-18 17:18:26,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:18:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:26,281 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:18:26,611 WARN L180 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-18 17:18:27,096 WARN L180 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-18 17:18:27,829 WARN L180 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-18 17:18:27,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:27,832 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:18:27,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:18:27,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:18:27,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:18:27,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:18:27,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:18:27,842 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 6 states. [2018-11-18 17:18:29,369 WARN L180 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-18 17:18:30,079 WARN L180 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-18 17:18:30,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:18:30,185 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2018-11-18 17:18:30,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:18:30,189 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-11-18 17:18:30,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:18:30,189 INFO L225 Difference]: With dead ends: 40 [2018-11-18 17:18:30,189 INFO L226 Difference]: Without dead ends: 34 [2018-11-18 17:18:30,190 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:18:30,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-18 17:18:30,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-18 17:18:30,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-18 17:18:30,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 33 transitions. [2018-11-18 17:18:30,192 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 33 transitions. Word has length 29 [2018-11-18 17:18:30,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:18:30,192 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 33 transitions. [2018-11-18 17:18:30,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:18:30,192 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 33 transitions. [2018-11-18 17:18:30,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 17:18:30,193 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:18:30,193 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:18:30,193 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:18:30,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:18:30,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1795247902, now seen corresponding path program 1 times [2018-11-18 17:18:30,194 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:18:30,194 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-11-18 17:18:30,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:18:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:30,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:18:30,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:30,603 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:18:30,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:18:30,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 17:18:30,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:18:30,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:18:30,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:18:30,618 INFO L87 Difference]: Start difference. First operand 34 states and 33 transitions. Second operand 9 states. [2018-11-18 17:18:31,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:18:31,268 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-11-18 17:18:31,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 17:18:31,272 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2018-11-18 17:18:31,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:18:31,273 INFO L225 Difference]: With dead ends: 34 [2018-11-18 17:18:31,273 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:18:31,273 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2018-11-18 17:18:31,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:18:31,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:18:31,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:18:31,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:18:31,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-11-18 17:18:31,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:18:31,274 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:18:31,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:18:31,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:18:31,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:18:31,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:18:31,668 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-11-18 17:18:31,831 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-11-18 17:18:32,076 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-11-18 17:18:32,343 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-11-18 17:18:32,458 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-11-18 17:18:32,461 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:18:32,461 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:18:32,461 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:18:32,461 INFO L425 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-11-18 17:18:32,461 INFO L425 ceAbstractionStarter]: For program point __ieee754_atan2fEXIT(lines 118 213) no Hoare annotation was computed. [2018-11-18 17:18:32,461 INFO L425 ceAbstractionStarter]: For program point L143(line 143) no Hoare annotation was computed. [2018-11-18 17:18:32,461 INFO L425 ceAbstractionStarter]: For program point L201(lines 201 205) no Hoare annotation was computed. [2018-11-18 17:18:32,461 INFO L425 ceAbstractionStarter]: For program point L168(lines 168 177) no Hoare annotation was computed. [2018-11-18 17:18:32,461 INFO L425 ceAbstractionStarter]: For program point L201-2(lines 194 206) no Hoare annotation was computed. [2018-11-18 17:18:32,462 INFO L425 ceAbstractionStarter]: For program point L201-3(lines 201 205) no Hoare annotation was computed. [2018-11-18 17:18:32,462 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 17:18:32,462 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 190) no Hoare annotation was computed. [2018-11-18 17:18:32,462 INFO L425 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2018-11-18 17:18:32,462 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 17:18:32,462 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 137) no Hoare annotation was computed. [2018-11-18 17:18:32,462 INFO L425 ceAbstractionStarter]: For program point L194(line 194) no Hoare annotation was computed. [2018-11-18 17:18:32,462 INFO L425 ceAbstractionStarter]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2018-11-18 17:18:32,462 INFO L421 ceAbstractionStarter]: At program point L128-3(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)))))) [2018-11-18 17:18:32,462 INFO L425 ceAbstractionStarter]: For program point L128-4(lines 128 132) no Hoare annotation was computed. [2018-11-18 17:18:32,463 INFO L425 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-11-18 17:18:32,463 INFO L425 ceAbstractionStarter]: For program point L153-2(line 153) no Hoare annotation was computed. [2018-11-18 17:18:32,463 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 17:18:32,463 INFO L421 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)) (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)) (__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (_ bv0 32) (bvor (bvand (_ bv1 32) (bvashr __ieee754_atan2f_~hy~0 (_ bv31 32))) (bvand (_ bv2 32) (bvashr __ieee754_atan2f_~hx~1 (_ bv30 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))))) (= |__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))))) [2018-11-18 17:18:32,463 INFO L425 ceAbstractionStarter]: For program point L137-1(line 137) no Hoare annotation was computed. [2018-11-18 17:18:32,463 INFO L425 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-11-18 17:18:32,463 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 190) no Hoare annotation was computed. [2018-11-18 17:18:32,463 INFO L425 ceAbstractionStarter]: For program point L187-2(lines 185 190) no Hoare annotation was computed. [2018-11-18 17:18:32,463 INFO L425 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-18 17:18:32,464 INFO L425 ceAbstractionStarter]: For program point L196-1(lines 196 200) no Hoare annotation was computed. [2018-11-18 17:18:32,464 INFO L421 ceAbstractionStarter]: At program point L196-3(lines 196 200) the Hoare annotation is: (let ((.cse0 (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x)) (.cse1 (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)))))) (.cse2 (= |__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)))) (.cse3 (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)))))) (.cse4 (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y)) (.cse5 (= |__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))))) (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 4000000000.0))) ~pi_o_4~0)) (and .cse0 .cse1 (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) (_ 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))))) .cse2 .cse3 .cse4 .cse5) (and .cse0 (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32)) (__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= __ieee754_atan2f_~m~0 (bvor (bvand (_ bv1 32) (bvashr __ieee754_atan2f_~hy~0 (_ bv31 32))) (bvand (_ bv2 32) (bvashr __ieee754_atan2f_~hx~1 (_ bv30 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))))) .cse1 (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))))) .cse2 .cse3 .cse4 .cse5) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0))))))) [2018-11-18 17:18:32,464 INFO L425 ceAbstractionStarter]: For program point L155(lines 155 179) no Hoare annotation was computed. [2018-11-18 17:18:32,464 INFO L425 ceAbstractionStarter]: For program point L155-1(lines 118 213) no Hoare annotation was computed. [2018-11-18 17:18:32,464 INFO L425 ceAbstractionStarter]: For program point L122-1(lines 122 126) no Hoare annotation was computed. [2018-11-18 17:18:32,464 INFO L421 ceAbstractionStarter]: At program point L122-3(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)))))) [2018-11-18 17:18:32,465 INFO L425 ceAbstractionStarter]: For program point L122-4(lines 122 126) no Hoare annotation was computed. [2018-11-18 17:18:32,465 INFO L425 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-11-18 17:18:32,465 INFO L425 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-11-18 17:18:32,465 INFO L425 ceAbstractionStarter]: For program point L156(lines 156 178) no Hoare annotation was computed. [2018-11-18 17:18:32,465 INFO L425 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-11-18 17:18:32,465 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 150) no Hoare annotation was computed. [2018-11-18 17:18:32,465 INFO L425 ceAbstractionStarter]: For program point L140-2(lines 118 213) no Hoare annotation was computed. [2018-11-18 17:18:32,465 INFO L421 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x)) (.cse1 (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)))))) (.cse2 (= |__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)))) (.cse3 (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)))))) (.cse4 (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y)) (.cse5 (= |__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))))) (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 4000000000.0))) ~pi_o_4~0)) (and .cse0 .cse1 (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) (_ 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))))) .cse2 .cse3 .cse4 .cse5) (and .cse0 (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32)) (__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= __ieee754_atan2f_~m~0 (bvor (bvand (_ bv1 32) (bvashr __ieee754_atan2f_~hy~0 (_ bv31 32))) (bvand (_ bv2 32) (bvashr __ieee754_atan2f_~hx~1 (_ bv30 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))))) .cse1 (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))))) .cse2 .cse3 .cse4 .cse5) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0))))))) [2018-11-18 17:18:32,466 INFO L425 ceAbstractionStarter]: For program point L157(lines 157 166) no Hoare annotation was computed. [2018-11-18 17:18:32,466 INFO L421 ceAbstractionStarter]: At program point L190-1(line 190) the Hoare annotation is: (let ((.cse0 (= |__ieee754_atan2f_#in~x| __ieee754_atan2f_~x)) (.cse1 (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)))))) (.cse2 (= |__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)))) (.cse3 (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)))))) (.cse4 (= |__ieee754_atan2f_#in~y| __ieee754_atan2f_~y)) (.cse5 (= |__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))))) (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 4000000000.0))) ~pi_o_4~0)) (and .cse0 .cse1 (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_atan2f_~hy~0) (_ 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))))) .cse2 .cse3 .cse4 .cse5) (and .cse0 (exists ((__ieee754_atan2f_~hy~0 (_ BitVec 32)) (__ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= __ieee754_atan2f_~m~0 (bvor (bvand (_ bv1 32) (bvashr __ieee754_atan2f_~hy~0 (_ bv31 32))) (bvand (_ bv2 32) (bvashr __ieee754_atan2f_~hx~1 (_ bv30 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))))) .cse1 (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))))) .cse2 .cse3 .cse4 .cse5) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0))))))) [2018-11-18 17:18:32,466 INFO L425 ceAbstractionStarter]: For program point L190-2(line 190) no Hoare annotation was computed. [2018-11-18 17:18:32,466 INFO L425 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2018-11-18 17:18:32,466 INFO L425 ceAbstractionStarter]: For program point L182-2(line 182) no Hoare annotation was computed. [2018-11-18 17:18:32,466 INFO L425 ceAbstractionStarter]: For program point __ieee754_atan2fFINAL(lines 118 213) no Hoare annotation was computed. [2018-11-18 17:18:32,466 INFO L428 ceAbstractionStarter]: At program point __ieee754_atan2fENTRY(lines 118 213) the Hoare annotation is: true [2018-11-18 17:18:32,466 INFO L425 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2018-11-18 17:18:32,467 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 212) no Hoare annotation was computed. [2018-11-18 17:18:32,467 INFO L425 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-11-18 17:18:32,467 INFO L425 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2018-11-18 17:18:32,467 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 17:18:32,467 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 17:18:32,467 INFO L425 ceAbstractionStarter]: For program point L142-2(line 142) no Hoare annotation was computed. [2018-11-18 17:18:32,467 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 135) no Hoare annotation was computed. [2018-11-18 17:18:32,467 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 12 25) no Hoare annotation was computed. [2018-11-18 17:18:32,467 INFO L425 ceAbstractionStarter]: For program point L19(lines 19 23) no Hoare annotation was computed. [2018-11-18 17:18:32,467 INFO L425 ceAbstractionStarter]: For program point L19-2(lines 12 25) no Hoare annotation was computed. [2018-11-18 17:18:32,467 INFO L425 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2018-11-18 17:18:32,467 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 12 25) no Hoare annotation was computed. [2018-11-18 17:18:32,468 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 12 25) the Hoare annotation is: true [2018-11-18 17:18:32,468 INFO L425 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2018-11-18 17:18:32,468 INFO L428 ceAbstractionStarter]: At program point L14-3(lines 14 18) the Hoare annotation is: true [2018-11-18 17:18:32,468 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:18:32,468 INFO L421 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))))) [2018-11-18 17:18:32,468 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:18:32,468 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:18:32,468 INFO L421 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (= main_~y~0 .cse0) (= main_~x~0 .cse0))) (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)))))) [2018-11-18 17:18:32,468 INFO L425 ceAbstractionStarter]: For program point L225-1(line 225) no Hoare annotation was computed. [2018-11-18 17:18:32,469 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 215 234) the Hoare annotation is: true [2018-11-18 17:18:32,469 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 215 234) no Hoare annotation was computed. [2018-11-18 17:18:32,469 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 215 234) no Hoare annotation was computed. [2018-11-18 17:18:32,469 INFO L425 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2018-11-18 17:18:32,469 INFO L425 ceAbstractionStarter]: For program point L228(lines 228 231) no Hoare annotation was computed. [2018-11-18 17:18:32,469 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 229) no Hoare annotation was computed. [2018-11-18 17:18:32,469 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 67) no Hoare annotation was computed. [2018-11-18 17:18:32,469 INFO L428 ceAbstractionStarter]: At program point atan_floatENTRY(lines 51 113) the Hoare annotation is: true [2018-11-18 17:18:32,469 INFO L425 ceAbstractionStarter]: For program point atan_floatFINAL(lines 51 113) no Hoare annotation was computed. [2018-11-18 17:18:32,469 INFO L425 ceAbstractionStarter]: For program point L77(lines 77 93) no Hoare annotation was computed. [2018-11-18 17:18:32,469 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 94) no Hoare annotation was computed. [2018-11-18 17:18:32,470 INFO L425 ceAbstractionStarter]: For program point L61(lines 61 68) no Hoare annotation was computed. [2018-11-18 17:18:32,470 INFO L425 ceAbstractionStarter]: For program point L86(lines 86 92) no Hoare annotation was computed. [2018-11-18 17:18:32,470 INFO L425 ceAbstractionStarter]: For program point L86-2(lines 69 94) no Hoare annotation was computed. [2018-11-18 17:18:32,470 INFO L425 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-11-18 17:18:32,470 INFO L425 ceAbstractionStarter]: For program point L78(lines 78 84) no Hoare annotation was computed. [2018-11-18 17:18:32,470 INFO L425 ceAbstractionStarter]: For program point L111-2(line 111) no Hoare annotation was computed. [2018-11-18 17:18:32,470 INFO L425 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2018-11-18 17:18:32,470 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-11-18 17:18:32,470 INFO L425 ceAbstractionStarter]: For program point L70-2(lines 70 73) no Hoare annotation was computed. [2018-11-18 17:18:32,470 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 63) no Hoare annotation was computed. [2018-11-18 17:18:32,470 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-11-18 17:18:32,470 INFO L425 ceAbstractionStarter]: For program point atan_floatEXIT(lines 51 113) no Hoare annotation was computed. [2018-11-18 17:18:32,470 INFO L425 ceAbstractionStarter]: For program point L55-1(lines 55 59) no Hoare annotation was computed. [2018-11-18 17:18:32,471 INFO L428 ceAbstractionStarter]: At program point L55-3(lines 55 59) the Hoare annotation is: true [2018-11-18 17:18:32,471 INFO L425 ceAbstractionStarter]: For program point L55-4(lines 55 59) no Hoare annotation was computed. [2018-11-18 17:18:32,471 INFO L428 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: true [2018-11-18 17:18:32,471 INFO L425 ceAbstractionStarter]: For program point L76-1(line 76) no Hoare annotation was computed. [2018-11-18 17:18:32,479 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,480 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,480 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,480 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,481 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,481 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,481 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,481 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,481 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,481 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,481 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,482 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,482 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,482 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,482 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,483 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,483 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,483 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,483 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,483 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,483 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,484 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,484 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,484 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,484 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,484 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,484 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,484 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,484 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,485 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,485 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,485 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,485 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,488 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,488 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,488 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,488 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,489 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,489 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,489 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,489 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,489 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,490 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,490 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,490 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,490 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,490 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,491 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,491 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,491 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,491 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,491 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,492 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,492 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,492 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,492 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,493 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,493 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,493 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,493 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,493 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,494 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,494 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,494 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,494 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,494 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,496 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,496 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,496 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,497 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,497 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,497 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,497 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,497 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,498 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,498 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,498 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,498 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,499 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,499 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,499 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,499 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,500 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,500 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,500 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,500 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,501 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,501 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,501 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,501 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:18:32 BoogieIcfgContainer [2018-11-18 17:18:32,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:18:32,504 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:18:32,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:18:32,505 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:18:32,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:18:14" (3/4) ... [2018-11-18 17:18:32,509 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:18:32,515 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:18:32,516 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_atan2f [2018-11-18 17:18:32,516 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-18 17:18:32,516 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:18:32,516 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2018-11-18 17:18:32,523 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2018-11-18 17:18:32,523 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-11-18 17:18:32,524 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:18:32,524 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 17:18:32,550 WARN L220 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))) [2018-11-18 17:18:32,550 WARN L220 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))) [2018-11-18 17:18:32,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/4000000000)) == pi_o_4) || ((((((\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 :: ~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0) == 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]))) || (((((((\old(x) == x && (\exists __ieee754_atan2f_~hy~0 : bv32, __ieee754_atan2f_~hx~1 : bv32 :: m == ~bvor32(~bvand32(1bv32, ~bvashr32(__ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(__ieee754_atan2f_~hx~1, 30bv32))) && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && (\exists __ieee754_atan2f_~hy~0 : bv32 :: ~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]))) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) [2018-11-18 17:18:32,588 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_01b085ee-bc80-4a70-9772-76578333a99e/bin-2019/utaipan/witness.graphml [2018-11-18 17:18:32,588 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:18:32,589 INFO L168 Benchmark]: Toolchain (without parser) took 27902.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 949.7 MB in the beginning and 786.0 MB in the end (delta: 163.7 MB). Peak memory consumption was 338.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:32,591 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:18:32,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.11 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 928.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:32,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.63 ms. Allocated memory is still 1.0 GB. Free memory is still 928.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:18:32,591 INFO L168 Benchmark]: Boogie Preprocessor took 82.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:32,592 INFO L168 Benchmark]: RCFGBuilder took 9071.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:32,592 INFO L168 Benchmark]: TraceAbstraction took 18352.86 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.0 GB in the beginning and 793.6 MB in the end (delta: 234.8 MB). Peak memory consumption was 308.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:32,592 INFO L168 Benchmark]: Witness Printer took 84.01 ms. Allocated memory is still 1.2 GB. Free memory was 793.6 MB in the beginning and 786.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:32,594 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.11 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 928.3 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 29.63 ms. Allocated memory is still 1.0 GB. Free memory is still 928.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9071.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18352.86 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.0 GB in the beginning and 793.6 MB in the end (delta: 234.8 MB). Peak memory consumption was 308.7 MB. Max. memory is 11.5 GB. * Witness Printer took 84.01 ms. Allocated memory is still 1.2 GB. Free memory was 793.6 MB in the beginning and 786.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~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 Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~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] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~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 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 229]: 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: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant [2018-11-18 17:18:32,600 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,601 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,601 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,601 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,601 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,601 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,602 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,602 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,602 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,603 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,603 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,604 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,604 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,604 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,604 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,604 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,604 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,605 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,605 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,605 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,605 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,605 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,605 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,606 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,606 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,606 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,606 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,606 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,606 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,607 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,607 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,607 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,607 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,608 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,608 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,608 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,609 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,609 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,609 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,609 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,609 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,609 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,610 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,610 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,610 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,613 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,613 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,613 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,613 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,614 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,614 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,614 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,614 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,614 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,614 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,615 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,615 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,615 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,615 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,615 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hy~0,QUANTIFIED] [2018-11-18 17:18:32,615 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,616 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,616 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,616 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,616 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,616 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/4000000000)) == pi_o_4) || ((((((\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 :: ~bvand32(2147483647bv32, __ieee754_atan2f_~hy~0) == 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]))) || (((((((\old(x) == x && (\exists __ieee754_atan2f_~hy~0 : bv32, __ieee754_atan2f_~hx~1 : bv32 :: m == ~bvor32(~bvand32(1bv32, ~bvashr32(__ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(__ieee754_atan2f_~hx~1, 30bv32))) && \old(x) == ~fp~LONGDOUBLE(__ieee754_atan2f_~hx~1[31:31], __ieee754_atan2f_~hx~1[30:23], __ieee754_atan2f_~hx~1[22:0]))) && (\exists __ieee754_atan2f_~hy~0 : bv32 :: ~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]))) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant [2018-11-18 17:18:32,617 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,617 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,617 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,618 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,618 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,618 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,620 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,621 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,621 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,621 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,621 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,621 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_atan2f_~hx~1,QUANTIFIED] [2018-11-18 17:18:32,622 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,622 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,622 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,622 WARN L387 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 [2018-11-18 17:18:32,622 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,623 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,623 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,623 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,623 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,623 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,623 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 17:18:32,624 WARN L387 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))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 99 locations, 1 error locations. SAFE Result, 18.2s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 12.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 816 SDtfs, 1419 SDslu, 2385 SDs, 0 SdLazy, 564 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 284 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 6.9s 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, 10 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 44 PreInvPairs, 62 NumberOfFragments, 801 HoareAnnotationTreeSize, 44 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 104 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 247 ConstructedInterpolants, 77 QuantifiedInterpolants, 87680 SizeOfPredicates, 49 NumberOfNonLiveVariables, 1355 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...