./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0490b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0490b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/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 34324710c17488da862b5b1b77adbd97563f405e ...................................................................................................................................................................................................................................................................................................................................... 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_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0490b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/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 34324710c17488da862b5b1b77adbd97563f405e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:13:09,865 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:13:09,866 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:13:09,873 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:13:09,873 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:13:09,874 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:13:09,875 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:13:09,876 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:13:09,877 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:13:09,878 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:13:09,879 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:13:09,879 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:13:09,880 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:13:09,880 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:13:09,881 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:13:09,882 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:13:09,882 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:13:09,884 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:13:09,885 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:13:09,886 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:13:09,887 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:13:09,888 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:13:09,889 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:13:09,889 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:13:09,889 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:13:09,890 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:13:09,891 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:13:09,891 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:13:09,892 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:13:09,893 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:13:09,893 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:13:09,893 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:13:09,893 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:13:09,894 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:13:09,894 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:13:09,894 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:13:09,894 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 17:13:09,901 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:13:09,901 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:13:09,902 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:13:09,902 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:13:09,902 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:13:09,902 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:13:09,902 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:13:09,902 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 17:13:09,902 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:13:09,902 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:13:09,903 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 17:13:09,903 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 17:13:09,903 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:13:09,903 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:13:09,903 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:13:09,903 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:13:09,903 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:13:09,904 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:13:09,904 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:13:09,904 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:13:09,904 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:13:09,904 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:13:09,904 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:13:09,904 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:13:09,905 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:13:09,905 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:13:09,905 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:13:09,905 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:13:09,905 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:13:09,905 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:13:09,905 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:13:09,906 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:13:09,906 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 17:13:09,906 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:13:09,906 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:13:09,906 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 17:13:09,906 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_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/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 -> 34324710c17488da862b5b1b77adbd97563f405e [2018-12-09 17:13:09,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:13:09,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:13:09,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:13:09,939 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:13:09,939 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:13:09,940 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0490b_true-unreach-call.c [2018-12-09 17:13:09,977 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/data/1929e3bfd/3cae8414f39b4e21947b65370deff45f/FLAG5bedf3fef [2018-12-09 17:13:10,306 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:13:10,307 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/sv-benchmarks/c/float-newlib/double_req_bl_0490b_true-unreach-call.c [2018-12-09 17:13:10,311 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/data/1929e3bfd/3cae8414f39b4e21947b65370deff45f/FLAG5bedf3fef [2018-12-09 17:13:10,319 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/data/1929e3bfd/3cae8414f39b4e21947b65370deff45f [2018-12-09 17:13:10,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:13:10,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:13:10,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:13:10,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:13:10,324 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:13:10,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:13:10" (1/1) ... [2018-12-09 17:13:10,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1441f7a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:10, skipping insertion in model container [2018-12-09 17:13:10,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:13:10" (1/1) ... [2018-12-09 17:13:10,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:13:10,343 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:13:10,457 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:13:10,460 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:13:10,522 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:13:10,540 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:13:10,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:10 WrapperNode [2018-12-09 17:13:10,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:13:10,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:13:10,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:13:10,542 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:13:10,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:10" (1/1) ... [2018-12-09 17:13:10,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:10" (1/1) ... [2018-12-09 17:13:10,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:13:10,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:13:10,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:13:10,561 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:13:10,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:10" (1/1) ... [2018-12-09 17:13:10,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:10" (1/1) ... [2018-12-09 17:13:10,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:10" (1/1) ... [2018-12-09 17:13:10,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:10" (1/1) ... [2018-12-09 17:13:10,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:10" (1/1) ... [2018-12-09 17:13:10,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:10" (1/1) ... [2018-12-09 17:13:10,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:10" (1/1) ... [2018-12-09 17:13:10,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:13:10,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:13:10,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:13:10,591 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:13:10,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:13:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-09 17:13:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-09 17:13:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-12-09 17:13:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-12-09 17:13:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:13:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:13:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 17:13:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 17:13:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-09 17:13:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-09 17:13:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:13:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:13:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 17:13:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 17:13:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:13:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:13:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 17:13:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 17:13:10,902 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:13:10,902 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-09 17:13:10,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:13:10 BoogieIcfgContainer [2018-12-09 17:13:10,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:13:10,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:13:10,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:13:10,905 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:13:10,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:13:10" (1/3) ... [2018-12-09 17:13:10,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e0b66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:13:10, skipping insertion in model container [2018-12-09 17:13:10,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:10" (2/3) ... [2018-12-09 17:13:10,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e0b66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:13:10, skipping insertion in model container [2018-12-09 17:13:10,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:13:10" (3/3) ... [2018-12-09 17:13:10,907 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490b_true-unreach-call.c [2018-12-09 17:13:10,913 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:13:10,918 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:13:10,927 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:13:10,945 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:13:10,945 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:13:10,945 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:13:10,945 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:13:10,945 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:13:10,946 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:13:10,946 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:13:10,946 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:13:10,956 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2018-12-09 17:13:10,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 17:13:10,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:13:10,961 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:13:10,962 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:13:10,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:13:10,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1161852501, now seen corresponding path program 1 times [2018-12-09 17:13:10,966 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:13:10,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:13:10,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:13:10,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:13:10,994 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:13:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:13:11,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:13:11,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:13:11,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 17:13:11,051 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:13:11,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 17:13:11,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 17:13:11,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 17:13:11,063 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 2 states. [2018-12-09 17:13:11,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:13:11,080 INFO L93 Difference]: Finished difference Result 158 states and 242 transitions. [2018-12-09 17:13:11,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 17:13:11,081 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-09 17:13:11,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:13:11,087 INFO L225 Difference]: With dead ends: 158 [2018-12-09 17:13:11,087 INFO L226 Difference]: Without dead ends: 79 [2018-12-09 17:13:11,089 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 17:13:11,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-09 17:13:11,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-12-09 17:13:11,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-12-09 17:13:11,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 105 transitions. [2018-12-09 17:13:11,114 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 105 transitions. Word has length 23 [2018-12-09 17:13:11,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:13:11,115 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 105 transitions. [2018-12-09 17:13:11,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 17:13:11,115 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 105 transitions. [2018-12-09 17:13:11,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 17:13:11,116 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:13:11,116 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:13:11,116 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:13:11,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:13:11,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1475142383, now seen corresponding path program 1 times [2018-12-09 17:13:11,117 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:13:11,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:13:11,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:13:11,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:13:11,117 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:13:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:13:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:13:11,167 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 17:13:11,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:13:11 BoogieIcfgContainer [2018-12-09 17:13:11,189 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:13:11,189 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:13:11,189 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:13:11,189 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:13:11,190 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:13:10" (3/4) ... [2018-12-09 17:13:11,192 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 17:13:11,192 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:13:11,192 INFO L168 Benchmark]: Toolchain (without parser) took 871.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 949.7 MB in the beginning and 1.0 GB in the end (delta: -92.8 MB). Peak memory consumption was 41.9 MB. Max. memory is 11.5 GB. [2018-12-09 17:13:11,193 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:13:11,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:13:11,194 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.09 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:13:11,194 INFO L168 Benchmark]: Boogie Preprocessor took 29.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:13:11,195 INFO L168 Benchmark]: RCFGBuilder took 312.01 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: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:13:11,195 INFO L168 Benchmark]: TraceAbstraction took 285.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:13:11,195 INFO L168 Benchmark]: Witness Printer took 2.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:13:11,197 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 219.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.09 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.99 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 312.01 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: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 285.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 228]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 136, overapproximation of someBinaryArithmeticDOUBLEoperation at line 172, overapproximation of bitwiseAnd at line 154, overapproximation of someBinaryDOUBLEComparisonOperation at line 17. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L131-L144] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [\old(one_acos)=27, \old(one_sqrt)=17, \old(pi)=15, \old(pi)=19, \old(pi)=30, \old(pS0_acos)=9, \old(pS1_acos)=28, \old(pS2_acos)=29, \old(pS3_acos)=13, \old(pS4_acos)=18, \old(pS5_acos)=31, \old(qS1_acos)=12, \old(qS2_acos)=20, \old(qS3_acos)=23, \old(qS4_acos)=14, \old(tiny_sqrt)=26, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L223] double x = -1.0 / 0.0; VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L224] CALL, EXPR __ieee754_acos(x) VAL [\old(x)=24, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L147] double z, p, q, r, w, s, c, df; [L148] __int32_t hx, ix; VAL [\old(x)=24, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L150] ieee_double_shape_type gh_u; [L151] gh_u.value = (x) [L152] EXPR gh_u.parts.msw [L152] (hx) = gh_u.parts.msw [L154] ix = hx & 0x7fffffff VAL [\old(x)=24, hx=3, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L155] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=24, hx=3, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L170] COND TRUE ix < 0x3fe00000 VAL [\old(x)=24, hx=3, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L171] COND TRUE ix <= 0x3c600000 [L172] return pio2_hi_acos + pio2_lo_acos; VAL [\old(x)=24, hx=3, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L224] RET, EXPR __ieee754_acos(x) VAL [__ieee754_acos(x)=16, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L224] double res = __ieee754_acos(x); [L227] CALL, EXPR isnan_double(res) VAL [\old(x)=16, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L17] return x != x; VAL [\old(x)=16, \result=0, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=16] [L227] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=16, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] [L227] COND TRUE !isnan_double(res) [L228] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=16, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=24] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 83 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 109 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=83occurred 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, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:13:12,481 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:13:12,482 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:13:12,488 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:13:12,489 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:13:12,489 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:13:12,490 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:13:12,491 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:13:12,491 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:13:12,492 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:13:12,492 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:13:12,492 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:13:12,493 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:13:12,493 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:13:12,494 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:13:12,494 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:13:12,495 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:13:12,495 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:13:12,496 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:13:12,497 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:13:12,498 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:13:12,498 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:13:12,499 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:13:12,500 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:13:12,500 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:13:12,500 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:13:12,501 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:13:12,501 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:13:12,501 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:13:12,502 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:13:12,502 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:13:12,502 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:13:12,502 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:13:12,502 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:13:12,503 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:13:12,503 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:13:12,503 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 17:13:12,511 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:13:12,511 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:13:12,511 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:13:12,511 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:13:12,511 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:13:12,512 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:13:12,512 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:13:12,512 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:13:12,512 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:13:12,512 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:13:12,512 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:13:12,512 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:13:12,512 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:13:12,513 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:13:12,513 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:13:12,513 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:13:12,513 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:13:12,513 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 17:13:12,513 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 17:13:12,513 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:13:12,513 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:13:12,513 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 17:13:12,513 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:13:12,513 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:13:12,514 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:13:12,514 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:13:12,514 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:13:12,514 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:13:12,514 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:13:12,514 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:13:12,514 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:13:12,514 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 17:13:12,514 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:13:12,514 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 17:13:12,514 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 17:13:12,515 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_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/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 -> 34324710c17488da862b5b1b77adbd97563f405e [2018-12-09 17:13:12,532 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:13:12,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:13:12,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:13:12,542 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:13:12,542 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:13:12,543 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0490b_true-unreach-call.c [2018-12-09 17:13:12,576 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/data/867c21efe/311c6e786adb407eb1fe4e260bd28e60/FLAG7a31f2185 [2018-12-09 17:13:12,933 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:13:12,934 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/sv-benchmarks/c/float-newlib/double_req_bl_0490b_true-unreach-call.c [2018-12-09 17:13:12,939 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/data/867c21efe/311c6e786adb407eb1fe4e260bd28e60/FLAG7a31f2185 [2018-12-09 17:13:12,947 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/data/867c21efe/311c6e786adb407eb1fe4e260bd28e60 [2018-12-09 17:13:12,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:13:12,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:13:12,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:13:12,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:13:12,953 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:13:12,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:13:12" (1/1) ... [2018-12-09 17:13:12,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7897eb54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:12, skipping insertion in model container [2018-12-09 17:13:12,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:13:12" (1/1) ... [2018-12-09 17:13:12,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:13:12,976 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:13:13,118 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:13:13,122 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:13:13,154 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:13:13,171 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:13:13,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:13 WrapperNode [2018-12-09 17:13:13,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:13:13,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:13:13,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:13:13,172 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:13:13,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:13" (1/1) ... [2018-12-09 17:13:13,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:13" (1/1) ... [2018-12-09 17:13:13,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:13:13,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:13:13,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:13:13,220 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:13:13,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:13" (1/1) ... [2018-12-09 17:13:13,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:13" (1/1) ... [2018-12-09 17:13:13,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:13" (1/1) ... [2018-12-09 17:13:13,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:13" (1/1) ... [2018-12-09 17:13:13,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:13" (1/1) ... [2018-12-09 17:13:13,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:13" (1/1) ... [2018-12-09 17:13:13,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:13" (1/1) ... [2018-12-09 17:13:13,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:13:13,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:13:13,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:13:13,252 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:13:13,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:13:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-09 17:13:13,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-09 17:13:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-09 17:13:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-12-09 17:13:13,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-12-09 17:13:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 17:13:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:13:13,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:13:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-09 17:13:13,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-09 17:13:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:13:13,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:13:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 17:13:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 17:13:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:13:13,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:13:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 17:13:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 17:13:13,693 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:13:15,193 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:13:24,131 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:13:27,211 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 17:13:27,224 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:13:27,224 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-09 17:13:27,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:13:27 BoogieIcfgContainer [2018-12-09 17:13:27,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:13:27,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:13:27,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:13:27,226 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:13:27,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:13:12" (1/3) ... [2018-12-09 17:13:27,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4b246e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:13:27, skipping insertion in model container [2018-12-09 17:13:27,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:13" (2/3) ... [2018-12-09 17:13:27,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4b246e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:13:27, skipping insertion in model container [2018-12-09 17:13:27,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:13:27" (3/3) ... [2018-12-09 17:13:27,228 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490b_true-unreach-call.c [2018-12-09 17:13:27,234 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:13:27,238 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:13:27,247 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:13:27,263 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 17:13:27,264 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:13:27,264 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:13:27,264 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:13:27,264 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:13:27,264 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:13:27,264 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:13:27,264 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:13:27,264 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:13:27,274 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-12-09 17:13:27,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 17:13:27,278 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:13:27,278 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:13:27,280 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:13:27,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:13:27,283 INFO L82 PathProgramCache]: Analyzing trace with hash 2101984081, now seen corresponding path program 1 times [2018-12-09 17:13:27,286 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 17:13:27,286 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 17:13:27,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:13:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:13:27,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:13:27,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:13:27,955 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 17:13:27,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:13:27,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 17:13:27,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 17:13:27,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 17:13:27,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 17:13:27,984 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2018-12-09 17:13:28,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:13:28,002 INFO L93 Difference]: Finished difference Result 156 states and 240 transitions. [2018-12-09 17:13:28,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 17:13:28,004 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-09 17:13:28,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:13:28,013 INFO L225 Difference]: With dead ends: 156 [2018-12-09 17:13:28,013 INFO L226 Difference]: Without dead ends: 78 [2018-12-09 17:13:28,016 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 17:13:28,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-12-09 17:13:28,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-12-09 17:13:28,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-12-09 17:13:28,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 104 transitions. [2018-12-09 17:13:28,045 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 104 transitions. Word has length 22 [2018-12-09 17:13:28,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:13:28,045 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 104 transitions. [2018-12-09 17:13:28,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 17:13:28,045 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2018-12-09 17:13:28,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 17:13:28,047 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:13:28,047 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:13:28,047 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:13:28,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:13:28,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1503428723, now seen corresponding path program 1 times [2018-12-09 17:13:28,048 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 17:13:28,048 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-09 17:13:28,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:13:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:13:28,191 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:13:28,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:13:28,309 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 17:13:28,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:13:28,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 17:13:28,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 17:13:28,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 17:13:28,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:13:28,319 INFO L87 Difference]: Start difference. First operand 78 states and 104 transitions. Second operand 7 states. [2018-12-09 17:13:39,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:13:39,667 INFO L93 Difference]: Finished difference Result 90 states and 115 transitions. [2018-12-09 17:13:39,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:13:39,668 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-12-09 17:13:39,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:13:39,670 INFO L225 Difference]: With dead ends: 90 [2018-12-09 17:13:39,670 INFO L226 Difference]: Without dead ends: 75 [2018-12-09 17:13:39,670 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:13:39,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-12-09 17:13:39,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2018-12-09 17:13:39,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-12-09 17:13:39,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 96 transitions. [2018-12-09 17:13:39,675 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 96 transitions. Word has length 23 [2018-12-09 17:13:39,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:13:39,676 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 96 transitions. [2018-12-09 17:13:39,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 17:13:39,676 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2018-12-09 17:13:39,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 17:13:39,676 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:13:39,676 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:13:39,676 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:13:39,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:13:39,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1306915218, now seen corresponding path program 1 times [2018-12-09 17:13:39,677 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 17:13:39,677 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-09 17:13:39,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:13:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:13:43,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:13:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:13:43,705 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 17:13:43,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:13:43,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 17:13:43,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 17:13:43,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 17:13:43,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:13:43,761 INFO L87 Difference]: Start difference. First operand 73 states and 96 transitions. Second operand 7 states. [2018-12-09 17:13:54,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:13:54,284 INFO L93 Difference]: Finished difference Result 85 states and 107 transitions. [2018-12-09 17:13:54,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:13:54,286 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-12-09 17:13:54,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:13:54,287 INFO L225 Difference]: With dead ends: 85 [2018-12-09 17:13:54,287 INFO L226 Difference]: Without dead ends: 74 [2018-12-09 17:13:54,287 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:13:54,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-12-09 17:13:54,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2018-12-09 17:13:54,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-09 17:13:54,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2018-12-09 17:13:54,292 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 23 [2018-12-09 17:13:54,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:13:54,292 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2018-12-09 17:13:54,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 17:13:54,292 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2018-12-09 17:13:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 17:13:54,292 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:13:54,293 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:13:54,293 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:13:54,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:13:54,293 INFO L82 PathProgramCache]: Analyzing trace with hash 727792143, now seen corresponding path program 1 times [2018-12-09 17:13:54,293 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 17:13:54,293 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-09 17:13:54,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:13:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:13:54,944 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:13:57,274 WARN L832 $PredicateComparison]: unable to prove that (= |c___ieee754_acos_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven |c___ieee754_acos_#in~x| |c___ieee754_acos_#in~x|))) (fp.div roundNearestTiesToEven .cse0 .cse0))) is different from false [2018-12-09 17:13:59,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:13:59,355 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 17:13:59,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:13:59,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 17:13:59,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:13:59,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:13:59,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=44, Unknown=1, NotChecked=12, Total=72 [2018-12-09 17:13:59,370 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand 9 states. [2018-12-09 17:14:08,495 WARN L854 $PredicateComparison]: unable to prove that (and (= |c___ieee754_acos_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven |c___ieee754_acos_#in~x| |c___ieee754_acos_#in~x|))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= |c___ieee754_acos_#in~x| c___ieee754_acos_~x)) is different from true [2018-12-09 17:14:08,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:14:08,591 INFO L93 Difference]: Finished difference Result 81 states and 103 transitions. [2018-12-09 17:14:08,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 17:14:08,592 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-12-09 17:14:08,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:14:08,593 INFO L225 Difference]: With dead ends: 81 [2018-12-09 17:14:08,593 INFO L226 Difference]: Without dead ends: 74 [2018-12-09 17:14:08,593 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=21, Invalid=57, Unknown=2, NotChecked=30, Total=110 [2018-12-09 17:14:08,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-12-09 17:14:08,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2018-12-09 17:14:08,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-09 17:14:08,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions. [2018-12-09 17:14:08,598 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 24 [2018-12-09 17:14:08,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:14:08,598 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 93 transitions. [2018-12-09 17:14:08,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:14:08,598 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2018-12-09 17:14:08,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 17:14:08,599 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:14:08,599 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:14:08,599 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:14:08,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:14:08,599 INFO L82 PathProgramCache]: Analyzing trace with hash -121435068, now seen corresponding path program 1 times [2018-12-09 17:14:08,599 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 17:14:08,599 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-09 17:14:08,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:14:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:14:08,684 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:14:08,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:14:08,776 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 17:14:08,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:14:08,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 17:14:08,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 17:14:08,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 17:14:08,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:14:08,785 INFO L87 Difference]: Start difference. First operand 72 states and 93 transitions. Second operand 7 states. [2018-12-09 17:14:14,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:14:14,118 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2018-12-09 17:14:14,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:14:14,138 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-12-09 17:14:14,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:14:14,138 INFO L225 Difference]: With dead ends: 82 [2018-12-09 17:14:14,139 INFO L226 Difference]: Without dead ends: 68 [2018-12-09 17:14:14,139 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:14:14,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-09 17:14:14,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-12-09 17:14:14,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-12-09 17:14:14,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2018-12-09 17:14:14,143 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 87 transitions. Word has length 25 [2018-12-09 17:14:14,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:14:14,143 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 87 transitions. [2018-12-09 17:14:14,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 17:14:14,143 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2018-12-09 17:14:14,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 17:14:14,144 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:14:14,144 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:14:14,144 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:14:14,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:14:14,144 INFO L82 PathProgramCache]: Analyzing trace with hash -2087590410, now seen corresponding path program 1 times [2018-12-09 17:14:14,145 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 17:14:14,145 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-09 17:14:14,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:14:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:14:18,411 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:14:18,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:14:18,530 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 17:14:18,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:14:18,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 17:14:18,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 17:14:18,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 17:14:18,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:14:18,585 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. Second operand 7 states. [2018-12-09 17:14:21,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:14:21,988 INFO L93 Difference]: Finished difference Result 68 states and 87 transitions. [2018-12-09 17:14:21,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:14:21,990 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-12-09 17:14:21,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:14:21,990 INFO L225 Difference]: With dead ends: 68 [2018-12-09 17:14:21,990 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 17:14:21,990 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:14:21,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 17:14:21,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 17:14:21,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 17:14:21,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 17:14:21,991 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-12-09 17:14:21,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:14:21,991 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 17:14:21,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 17:14:21,991 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 17:14:21,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 17:14:21,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 17:14:22,179 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 21 [2018-12-09 17:14:22,272 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 21 129) the Hoare annotation is: true [2018-12-09 17:14:22,272 INFO L448 ceAbstractionStarter]: For program point L60(lines 60 63) no Hoare annotation was computed. [2018-12-09 17:14:22,272 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2018-12-09 17:14:22,272 INFO L448 ceAbstractionStarter]: For program point L60-2(lines 60 63) no Hoare annotation was computed. [2018-12-09 17:14:22,272 INFO L451 ceAbstractionStarter]: At program point L27-2(lines 27 32) the Hoare annotation is: true [2018-12-09 17:14:22,272 INFO L448 ceAbstractionStarter]: For program point L27-3(lines 21 129) no Hoare annotation was computed. [2018-12-09 17:14:22,272 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 21 129) no Hoare annotation was computed. [2018-12-09 17:14:22,272 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 53) no Hoare annotation was computed. [2018-12-09 17:14:22,272 INFO L451 ceAbstractionStarter]: At program point L52-3(lines 52 53) the Hoare annotation is: true [2018-12-09 17:14:22,272 INFO L448 ceAbstractionStarter]: For program point L52-4(lines 52 53) no Hoare annotation was computed. [2018-12-09 17:14:22,272 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 111) no Hoare annotation was computed. [2018-12-09 17:14:22,272 INFO L448 ceAbstractionStarter]: For program point L110-2(lines 110 111) no Hoare annotation was computed. [2018-12-09 17:14:22,272 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 116) no Hoare annotation was computed. [2018-12-09 17:14:22,273 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2018-12-09 17:14:22,273 INFO L448 ceAbstractionStarter]: For program point L119-2(lines 119 120) no Hoare annotation was computed. [2018-12-09 17:14:22,273 INFO L448 ceAbstractionStarter]: For program point L87(lines 87 96) no Hoare annotation was computed. [2018-12-09 17:14:22,273 INFO L448 ceAbstractionStarter]: For program point L87-2(lines 87 96) no Hoare annotation was computed. [2018-12-09 17:14:22,273 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 57) no Hoare annotation was computed. [2018-12-09 17:14:22,273 INFO L448 ceAbstractionStarter]: For program point L46-2(lines 46 57) no Hoare annotation was computed. [2018-12-09 17:14:22,273 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 115) no Hoare annotation was computed. [2018-12-09 17:14:22,273 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 43) no Hoare annotation was computed. [2018-12-09 17:14:22,273 INFO L451 ceAbstractionStarter]: At program point L71-2(lines 71 81) the Hoare annotation is: true [2018-12-09 17:14:22,273 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 38 43) no Hoare annotation was computed. [2018-12-09 17:14:22,273 INFO L448 ceAbstractionStarter]: For program point L71-3(lines 71 81) no Hoare annotation was computed. [2018-12-09 17:14:22,273 INFO L451 ceAbstractionStarter]: At program point L47-2(lines 47 51) the Hoare annotation is: true [2018-12-09 17:14:22,273 INFO L448 ceAbstractionStarter]: For program point L47-3(lines 47 51) no Hoare annotation was computed. [2018-12-09 17:14:22,273 INFO L448 ceAbstractionStarter]: For program point L39(lines 39 42) no Hoare annotation was computed. [2018-12-09 17:14:22,273 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 90) no Hoare annotation was computed. [2018-12-09 17:14:22,273 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 122 127) no Hoare annotation was computed. [2018-12-09 17:14:22,274 INFO L451 ceAbstractionStarter]: At program point L122-2(lines 122 127) the Hoare annotation is: true [2018-12-09 17:14:22,274 INFO L448 ceAbstractionStarter]: For program point L89-2(lines 89 90) no Hoare annotation was computed. [2018-12-09 17:14:22,274 INFO L448 ceAbstractionStarter]: For program point L122-3(lines 122 127) no Hoare annotation was computed. [2018-12-09 17:14:22,274 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 114) no Hoare annotation was computed. [2018-12-09 17:14:22,274 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 77) no Hoare annotation was computed. [2018-12-09 17:14:22,274 INFO L448 ceAbstractionStarter]: For program point L73-2(lines 73 77) no Hoare annotation was computed. [2018-12-09 17:14:22,274 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 21 129) no Hoare annotation was computed. [2018-12-09 17:14:22,274 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-12-09 17:14:22,274 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 93) no Hoare annotation was computed. [2018-12-09 17:14:22,274 INFO L448 ceAbstractionStarter]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2018-12-09 17:14:22,274 INFO L451 ceAbstractionStarter]: At program point L84-2(lines 84 100) the Hoare annotation is: true [2018-12-09 17:14:22,274 INFO L448 ceAbstractionStarter]: For program point L84-3(lines 21 129) no Hoare annotation was computed. [2018-12-09 17:14:22,274 INFO L448 ceAbstractionStarter]: For program point L109(lines 109 114) no Hoare annotation was computed. [2018-12-09 17:14:22,274 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 17) the Hoare annotation is: true [2018-12-09 17:14:22,274 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 17) no Hoare annotation was computed. [2018-12-09 17:14:22,274 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 17) no Hoare annotation was computed. [2018-12-09 17:14:22,275 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:14:22,275 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 17:14:22,275 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:14:22,275 INFO L448 ceAbstractionStarter]: For program point L155(lines 155 169) no Hoare annotation was computed. [2018-12-09 17:14:22,275 INFO L448 ceAbstractionStarter]: For program point __ieee754_acosEXIT(lines 146 215) no Hoare annotation was computed. [2018-12-09 17:14:22,275 INFO L451 ceAbstractionStarter]: At program point __ieee754_acosENTRY(lines 146 215) the Hoare annotation is: true [2018-12-09 17:14:22,275 INFO L448 ceAbstractionStarter]: For program point __ieee754_acosFINAL(lines 146 215) no Hoare annotation was computed. [2018-12-09 17:14:22,275 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 198 203) no Hoare annotation was computed. [2018-12-09 17:14:22,275 INFO L444 ceAbstractionStarter]: At program point L198-2(lines 198 203) the Hoare annotation is: (and (exists ((v_prenex_9 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) __ieee754_acos_~ix~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) (_ bv1072693248 32))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (= ((_ extract 63 32) v_prenex_9) __ieee754_acos_~hx~0))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-12-09 17:14:22,275 INFO L448 ceAbstractionStarter]: For program point L198-3(lines 198 203) no Hoare annotation was computed. [2018-12-09 17:14:22,275 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (exists ((v_prenex_12 (_ BitVec 64))) (and (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_12)) (_ bv1072693248 32))) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_12) ((_ extract 62 52) v_prenex_12) ((_ extract 51 0) v_prenex_12))))) [2018-12-09 17:14:22,275 INFO L448 ceAbstractionStarter]: For program point L190-1(line 190) no Hoare annotation was computed. [2018-12-09 17:14:22,275 INFO L448 ceAbstractionStarter]: For program point L157-1(lines 157 161) no Hoare annotation was computed. [2018-12-09 17:14:22,276 INFO L444 ceAbstractionStarter]: At program point L157-2(lines 157 161) the Hoare annotation is: (and (exists ((v_prenex_10 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_10) ((_ extract 62 52) v_prenex_10) ((_ extract 51 0) v_prenex_10))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_10)) __ieee754_acos_~ix~0))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x) (exists ((v_prenex_10 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_10) ((_ extract 62 52) v_prenex_10) ((_ extract 51 0) v_prenex_10))) (= ((_ extract 63 32) v_prenex_10) __ieee754_acos_~hx~0)))) [2018-12-09 17:14:22,276 INFO L448 ceAbstractionStarter]: For program point L157-3(lines 155 169) no Hoare annotation was computed. [2018-12-09 17:14:22,276 INFO L448 ceAbstractionStarter]: For program point L182(lines 182 214) no Hoare annotation was computed. [2018-12-09 17:14:22,276 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-12-09 17:14:22,276 INFO L444 ceAbstractionStarter]: At program point L149-2(lines 149 153) the Hoare annotation is: (= |__ieee754_acos_#in~x| __ieee754_acos_~x) [2018-12-09 17:14:22,276 INFO L448 ceAbstractionStarter]: For program point L149-3(lines 149 153) no Hoare annotation was computed. [2018-12-09 17:14:22,276 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 214) no Hoare annotation was computed. [2018-12-09 17:14:22,276 INFO L448 ceAbstractionStarter]: For program point L171(lines 171 172) no Hoare annotation was computed. [2018-12-09 17:14:22,276 INFO L444 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (and (exists ((v_prenex_9 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) __ieee754_acos_~ix~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (not (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_9)) (_ bv1072693248 32))))) (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (= ((_ extract 63 32) v_prenex_9) __ieee754_acos_~hx~0))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-12-09 17:14:22,276 INFO L448 ceAbstractionStarter]: For program point L163(lines 163 166) no Hoare annotation was computed. [2018-12-09 17:14:22,276 INFO L448 ceAbstractionStarter]: For program point L196-1(line 196) no Hoare annotation was computed. [2018-12-09 17:14:22,276 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:14:22,276 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 17:14:22,276 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 17:14:22,277 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:14:22,277 INFO L444 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0) [2018-12-09 17:14:22,277 INFO L448 ceAbstractionStarter]: For program point L224-1(line 224) no Hoare annotation was computed. [2018-12-09 17:14:22,277 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 217 233) the Hoare annotation is: true [2018-12-09 17:14:22,277 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 217 233) no Hoare annotation was computed. [2018-12-09 17:14:22,277 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 228) no Hoare annotation was computed. [2018-12-09 17:14:22,277 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 217 233) no Hoare annotation was computed. [2018-12-09 17:14:22,277 INFO L448 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2018-12-09 17:14:22,277 INFO L444 ceAbstractionStarter]: At program point L227(line 227) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (and (= main_~res~0 (let ((.cse0 (fp.sub roundNearestTiesToEven .cse1 .cse1))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= .cse1 main_~x~0))) [2018-12-09 17:14:22,277 INFO L448 ceAbstractionStarter]: For program point L227-1(lines 227 230) no Hoare annotation was computed. [2018-12-09 17:14:22,284 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,285 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,285 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,285 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,285 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,285 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,285 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,286 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,286 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,286 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,286 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,286 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,287 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,287 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,287 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,287 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,292 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,292 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:14:22 BoogieIcfgContainer [2018-12-09 17:14:22,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:14:22,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:14:22,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:14:22,294 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:14:22,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:13:27" (3/4) ... [2018-12-09 17:14:22,296 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 17:14:22,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-12-09 17:14:22,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-09 17:14:22,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 17:14:22,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_acos [2018-12-09 17:14:22,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 17:14:22,304 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-09 17:14:22,305 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-09 17:14:22,305 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 17:14:22,305 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 17:14:22,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-09 17:14:22,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_prenex_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && ~bvand32(2147483647bv32, v_prenex_10[63:32]) == ix) && \old(x) == x) && (\exists v_prenex_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && v_prenex_10[63:32] == hx) [2018-12-09 17:14:22,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_9 : bv64 :: ~bvand32(2147483647bv32, v_prenex_9[63:32]) == ix && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0])) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && !~bvsge32(~bvand32(2147483647bv32, v_prenex_9[63:32]), 1072693248bv32))) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && v_prenex_9[63:32] == hx)) && \old(x) == x [2018-12-09 17:14:22,349 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e273b230-2fdb-4c13-b57a-aa4d0b03d58b/bin-2019/utaipan/witness.graphml [2018-12-09 17:14:22,349 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:14:22,350 INFO L168 Benchmark]: Toolchain (without parser) took 69400.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 943.4 MB in the beginning and 834.1 MB in the end (delta: 109.2 MB). Peak memory consumption was 247.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:14:22,350 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:14:22,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.83 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 921.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:14:22,351 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -211.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-09 17:14:22,351 INFO L168 Benchmark]: Boogie Preprocessor took 31.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 17:14:22,351 INFO L168 Benchmark]: RCFGBuilder took 13972.13 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: 53.5 MB). Peak memory consumption was 53.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:14:22,351 INFO L168 Benchmark]: TraceAbstraction took 55068.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 840.9 MB in the end (delta: 232.0 MB). Peak memory consumption was 232.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:14:22,351 INFO L168 Benchmark]: Witness Printer took 55.90 ms. Allocated memory is still 1.2 GB. Free memory was 840.9 MB in the beginning and 834.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 17:14:22,352 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 220.83 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 921.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -211.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 13972.13 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: 53.5 MB). Peak memory consumption was 53.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 55068.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 840.9 MB in the end (delta: 232.0 MB). Peak memory consumption was 232.0 MB. Max. memory is 11.5 GB. * Witness Printer took 55.90 ms. Allocated memory is still 1.2 GB. Free memory was 840.9 MB in the beginning and 834.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 228]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant [2018-12-09 17:14:22,356 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,356 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,356 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,356 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,356 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,357 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,357 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,357 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,357 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,357 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,358 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,358 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,358 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,358 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,358 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-12-09 17:14:22,358 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] Derived loop invariant: ((\exists v_prenex_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && ~bvand32(2147483647bv32, v_prenex_10[63:32]) == ix) && \old(x) == x) && (\exists v_prenex_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_10[63:63], v_prenex_10[62:52], v_prenex_10[51:0]) && v_prenex_10[63:32] == hx) - InvariantResult [Line: 198]: Loop Invariant [2018-12-09 17:14:22,359 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,359 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,359 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,359 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,360 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,360 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,360 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,360 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,360 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,360 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,360 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,361 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,361 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,361 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,361 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,362 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,362 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,362 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,362 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,362 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,362 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,362 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,363 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-09 17:14:22,363 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_9 : bv64 :: ~bvand32(2147483647bv32, v_prenex_9[63:32]) == ix && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0])) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && !~bvsge32(~bvand32(2147483647bv32, v_prenex_9[63:32]), 1072693248bv32))) && (\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && v_prenex_9[63:32] == hx)) && \old(x) == x - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 82 locations, 1 error locations. SAFE Result, 55.0s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 39.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 527 SDtfs, 160 SDslu, 2135 SDs, 0 SdLazy, 190 SolverSat, 4 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 29.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred 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, 6 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 46 PreInvPairs, 64 NumberOfFragments, 233 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 8.7s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 142 ConstructedInterpolants, 32 QuantifiedInterpolants, 20800 SizeOfPredicates, 21 NumberOfNonLiveVariables, 693 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...