./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0281_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_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0281_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/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 c9a1fee23eedac3d97051809c6053bb68912ddb9 ............................................................................................................................................................................................................................................................................................................................................................ 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_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0281_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/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 c9a1fee23eedac3d97051809c6053bb68912ddb9 ..................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:41:37,144 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:41:37,145 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:41:37,151 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:41:37,151 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:41:37,152 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:41:37,152 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:41:37,153 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:41:37,154 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:41:37,154 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:41:37,155 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:41:37,155 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:41:37,155 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:41:37,156 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:41:37,157 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:41:37,157 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:41:37,157 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:41:37,158 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:41:37,159 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:41:37,160 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:41:37,161 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:41:37,161 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:41:37,162 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:41:37,162 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:41:37,163 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:41:37,163 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:41:37,164 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:41:37,164 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:41:37,164 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:41:37,165 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:41:37,165 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:41:37,165 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:41:37,166 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:41:37,166 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:41:37,166 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:41:37,167 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:41:37,167 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:41:37,174 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:41:37,174 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:41:37,174 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:41:37,175 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:41:37,175 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:41:37,175 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:41:37,175 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:41:37,175 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:41:37,175 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:41:37,175 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:41:37,175 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:41:37,175 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:41:37,175 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:41:37,176 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:41:37,176 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:41:37,176 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:41:37,176 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:41:37,176 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:41:37,176 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:41:37,176 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:41:37,176 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:41:37,176 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:41:37,176 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:41:37,176 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:41:37,177 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:41:37,177 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:41:37,177 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:41:37,177 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:41:37,177 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:41:37,177 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:41:37,177 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:41:37,177 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:41:37,177 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:41:37,177 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:41:37,177 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:41:37,177 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:41:37,178 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_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/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 -> c9a1fee23eedac3d97051809c6053bb68912ddb9 [2018-12-09 19:41:37,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:41:37,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:41:37,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:41:37,204 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:41:37,205 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:41:37,205 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0281_true-unreach-call.c [2018-12-09 19:41:37,239 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/data/aecf0a757/6e15a6bd2cc6468b8459203ad2d9fc33/FLAG103babba0 [2018-12-09 19:41:37,667 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:41:37,667 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/sv-benchmarks/c/float-newlib/double_req_bl_0281_true-unreach-call.c [2018-12-09 19:41:37,672 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/data/aecf0a757/6e15a6bd2cc6468b8459203ad2d9fc33/FLAG103babba0 [2018-12-09 19:41:37,679 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/data/aecf0a757/6e15a6bd2cc6468b8459203ad2d9fc33 [2018-12-09 19:41:37,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:41:37,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:41:37,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:41:37,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:41:37,684 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:41:37,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:41:37" (1/1) ... [2018-12-09 19:41:37,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282d141b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:37, skipping insertion in model container [2018-12-09 19:41:37,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:41:37" (1/1) ... [2018-12-09 19:41:37,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:41:37,704 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:41:37,820 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:41:37,822 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:41:37,856 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:41:37,903 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:41:37,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:37 WrapperNode [2018-12-09 19:41:37,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:41:37,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:41:37,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:41:37,904 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:41:37,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:37" (1/1) ... [2018-12-09 19:41:37,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:37" (1/1) ... [2018-12-09 19:41:37,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:41:37,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:41:37,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:41:37,921 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:41:37,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:37" (1/1) ... [2018-12-09 19:41:37,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:37" (1/1) ... [2018-12-09 19:41:37,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:37" (1/1) ... [2018-12-09 19:41:37,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:37" (1/1) ... [2018-12-09 19:41:37,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:37" (1/1) ... [2018-12-09 19:41:37,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:37" (1/1) ... [2018-12-09 19:41:37,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:37" (1/1) ... [2018-12-09 19:41:37,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:41:37,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:41:37,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:41:37,950 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:41:37,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/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 19:41:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-09 19:41:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-09 19:41:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:41:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:41:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-12-09 19:41:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-12-09 19:41:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 19:41:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 19:41:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-09 19:41:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-09 19:41:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asin [2018-12-09 19:41:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asin [2018-12-09 19:41:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:41:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:41:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 19:41:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:41:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:41:37,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:41:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 19:41:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 19:41:38,276 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:41:38,276 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-09 19:41:38,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:41:38 BoogieIcfgContainer [2018-12-09 19:41:38,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:41:38,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:41:38,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:41:38,279 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:41:38,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:41:37" (1/3) ... [2018-12-09 19:41:38,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fea1fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:41:38, skipping insertion in model container [2018-12-09 19:41:38,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:37" (2/3) ... [2018-12-09 19:41:38,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fea1fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:41:38, skipping insertion in model container [2018-12-09 19:41:38,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:41:38" (3/3) ... [2018-12-09 19:41:38,281 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281_true-unreach-call.c [2018-12-09 19:41:38,286 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:41:38,291 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:41:38,300 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:41:38,318 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:41:38,318 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:41:38,318 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:41:38,318 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:41:38,318 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:41:38,318 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:41:38,318 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:41:38,318 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:41:38,329 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2018-12-09 19:41:38,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 19:41:38,332 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:41:38,332 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 19:41:38,334 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:41:38,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:41:38,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1240281904, now seen corresponding path program 1 times [2018-12-09 19:41:38,338 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:41:38,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:41:38,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:41:38,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:41:38,366 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:41:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:41:38,426 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 19:41:38,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:41:38,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:41:38,428 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:41:38,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:41:38,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:41:38,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:41:38,440 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 2 states. [2018-12-09 19:41:38,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:41:38,462 INFO L93 Difference]: Finished difference Result 179 states and 272 transitions. [2018-12-09 19:41:38,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:41:38,463 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-12-09 19:41:38,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:41:38,469 INFO L225 Difference]: With dead ends: 179 [2018-12-09 19:41:38,469 INFO L226 Difference]: Without dead ends: 89 [2018-12-09 19:41:38,471 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 19:41:38,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-12-09 19:41:38,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-12-09 19:41:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-12-09 19:41:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 115 transitions. [2018-12-09 19:41:38,497 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 115 transitions. Word has length 24 [2018-12-09 19:41:38,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:41:38,498 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 115 transitions. [2018-12-09 19:41:38,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:41:38,498 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 115 transitions. [2018-12-09 19:41:38,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 19:41:38,498 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:41:38,498 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 19:41:38,498 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:41:38,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:41:38,499 INFO L82 PathProgramCache]: Analyzing trace with hash -96796200, now seen corresponding path program 1 times [2018-12-09 19:41:38,499 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:41:38,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:41:38,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:41:38,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:41:38,500 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:41:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 19:41:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 19:41:38,558 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 19:41:38,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:41:38 BoogieIcfgContainer [2018-12-09 19:41:38,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:41:38,590 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:41:38,590 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:41:38,590 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:41:38,590 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:41:38" (3/4) ... [2018-12-09 19:41:38,593 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 19:41:38,593 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:41:38,594 INFO L168 Benchmark]: Toolchain (without parser) took 912.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 961.4 MB in the beginning and 1.0 GB in the end (delta: -76.6 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:41:38,595 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:41:38,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -167.6 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-12-09 19:41:38,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.99 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 19:41:38,597 INFO L168 Benchmark]: Boogie Preprocessor took 28.50 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 19:41:38,597 INFO L168 Benchmark]: RCFGBuilder took 326.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 11.5 GB. [2018-12-09 19:41:38,597 INFO L168 Benchmark]: TraceAbstraction took 312.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:41:38,598 INFO L168 Benchmark]: Witness Printer took 3.64 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 19:41:38,601 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 221.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -167.6 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.99 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 28.50 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 326.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 312.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.64 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: 248]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 153, overapproximation of bitwiseAnd at line 171, overapproximation of someBinaryArithmeticDOUBLEoperation at line 188, overapproximation of someBinaryDOUBLEComparisonOperation at line 18. Possible FailurePath: [L20] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L147-L161] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [\old(huge_asin)=31, \old(one_asin)=24, \old(one_sqrt)=22, \old(pio2_hi_asin)=23, \old(pio2_lo_asin)=12, \old(pio4_hi_asin)=25, \old(pS0_asin)=29, \old(pS1_asin)=26, \old(pS2_asin)=10, \old(pS3_asin)=28, \old(pS4_asin)=15, \old(pS5_asin)=11, \old(qS1_asin)=33, \old(qS2_asin)=16, \old(qS3_asin)=9, \old(qS4_asin)=30, \old(tiny_sqrt)=13, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L240] double x = __VERIFIER_nondet_double(); [L242] COND TRUE x < -1.0 && x > 1.0 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=20] [L244] CALL, EXPR __ieee754_asin(x) VAL [\old(x)=20, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L164] double t, w, p, q, c, r, s; [L165] __int32_t hx, ix; VAL [\old(x)=20, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=20] [L167] ieee_double_shape_type gh_u; [L168] gh_u.value = (x) [L169] EXPR gh_u.parts.msw [L169] (hx) = gh_u.parts.msw [L171] ix = hx & 0x7fffffff VAL [\old(x)=20, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=20] [L172] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=20, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, ix=1044381696, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=20] [L183] COND TRUE ix < 0x3fe00000 VAL [\old(x)=20, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, ix=1044381696, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=20] [L184] COND FALSE !(ix < 0x3e400000) [L188] t = x * x [L189-L192] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L193-L194] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L195] w = p / q [L196] return x + x * w; VAL [\old(x)=20, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, ix=1044381696, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=20] [L244] RET, EXPR __ieee754_asin(x) VAL [__ieee754_asin(x)=19, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=20] [L244] double res = __ieee754_asin(x); [L247] CALL, EXPR isnan_double(res) VAL [\old(x)=19, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L18] return x != x; VAL [\old(x)=19, \result=0, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=19] [L247] RET, EXPR isnan_double(res) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isnan_double(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, res=19, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=20] [L247] COND TRUE !isnan_double(res) [L248] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, res=19, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=20] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 94 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 121 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=94occurred 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, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 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 19:41:39,839 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:41:39,840 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:41:39,847 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:41:39,847 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:41:39,848 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:41:39,849 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:41:39,850 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:41:39,851 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:41:39,851 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:41:39,852 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:41:39,852 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:41:39,853 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:41:39,854 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:41:39,854 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:41:39,855 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:41:39,856 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:41:39,857 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:41:39,858 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:41:39,859 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:41:39,860 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:41:39,861 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:41:39,862 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:41:39,863 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:41:39,863 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:41:39,863 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:41:39,864 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:41:39,864 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:41:39,865 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:41:39,865 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:41:39,865 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:41:39,866 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:41:39,866 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:41:39,866 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:41:39,867 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:41:39,867 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:41:39,868 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 19:41:39,877 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:41:39,877 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:41:39,878 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:41:39,878 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:41:39,878 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:41:39,879 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:41:39,879 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:41:39,879 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:41:39,879 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:41:39,879 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:41:39,880 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:41:39,880 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:41:39,880 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:41:39,880 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:41:39,880 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:41:39,880 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:41:39,880 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:41:39,881 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 19:41:39,881 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 19:41:39,881 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:41:39,881 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:41:39,881 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 19:41:39,881 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:41:39,881 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:41:39,881 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:41:39,882 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:41:39,882 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:41:39,882 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:41:39,882 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:41:39,882 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:41:39,882 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:41:39,882 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 19:41:39,882 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:41:39,883 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 19:41:39,883 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 19:41:39,883 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_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/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 -> c9a1fee23eedac3d97051809c6053bb68912ddb9 [2018-12-09 19:41:39,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:41:39,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:41:39,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:41:39,921 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:41:39,921 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:41:39,922 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0281_true-unreach-call.c [2018-12-09 19:41:39,965 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/data/ad2c27f4a/54e2659352f94ce1b09e7d3f2a195201/FLAGd1d24f420 [2018-12-09 19:41:40,319 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:41:40,319 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/sv-benchmarks/c/float-newlib/double_req_bl_0281_true-unreach-call.c [2018-12-09 19:41:40,324 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/data/ad2c27f4a/54e2659352f94ce1b09e7d3f2a195201/FLAGd1d24f420 [2018-12-09 19:41:40,333 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/data/ad2c27f4a/54e2659352f94ce1b09e7d3f2a195201 [2018-12-09 19:41:40,335 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:41:40,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:41:40,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:41:40,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:41:40,339 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:41:40,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:41:40" (1/1) ... [2018-12-09 19:41:40,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a12c072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:40, skipping insertion in model container [2018-12-09 19:41:40,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:41:40" (1/1) ... [2018-12-09 19:41:40,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:41:40,364 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:41:40,515 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:41:40,520 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:41:40,554 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:41:40,572 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:41:40,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:40 WrapperNode [2018-12-09 19:41:40,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:41:40,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:41:40,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:41:40,573 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:41:40,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:40" (1/1) ... [2018-12-09 19:41:40,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:40" (1/1) ... [2018-12-09 19:41:40,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:41:40,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:41:40,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:41:40,619 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:41:40,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:40" (1/1) ... [2018-12-09 19:41:40,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:40" (1/1) ... [2018-12-09 19:41:40,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:40" (1/1) ... [2018-12-09 19:41:40,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:40" (1/1) ... [2018-12-09 19:41:40,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:40" (1/1) ... [2018-12-09 19:41:40,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:40" (1/1) ... [2018-12-09 19:41:40,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:40" (1/1) ... [2018-12-09 19:41:40,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:41:40,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:41:40,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:41:40,649 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:41:40,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/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 19:41:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-09 19:41:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-09 19:41:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-09 19:41:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 19:41:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:41:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:41:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-12-09 19:41:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-12-09 19:41:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-09 19:41:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-09 19:41:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asin [2018-12-09 19:41:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asin [2018-12-09 19:41:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:41:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:41:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:41:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 19:41:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:41:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:41:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 19:41:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 19:41:40,805 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:41:40,829 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:41:41,093 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:41:52,617 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:41:52,636 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:41:55,347 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:41:57,447 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:41:57,447 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-09 19:41:57,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:41:57 BoogieIcfgContainer [2018-12-09 19:41:57,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:41:57,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:41:57,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:41:57,450 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:41:57,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:41:40" (1/3) ... [2018-12-09 19:41:57,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36586827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:41:57, skipping insertion in model container [2018-12-09 19:41:57,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:40" (2/3) ... [2018-12-09 19:41:57,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36586827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:41:57, skipping insertion in model container [2018-12-09 19:41:57,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:41:57" (3/3) ... [2018-12-09 19:41:57,452 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281_true-unreach-call.c [2018-12-09 19:41:57,458 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:41:57,462 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:41:57,471 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:41:57,488 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 19:41:57,488 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:41:57,489 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:41:57,489 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:41:57,489 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:41:57,489 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:41:57,489 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:41:57,489 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:41:57,489 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:41:57,499 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2018-12-09 19:41:57,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 19:41:57,502 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:41:57,503 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 19:41:57,504 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:41:57,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:41:57,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1190989158, now seen corresponding path program 1 times [2018-12-09 19:41:57,509 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 19:41:57,510 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/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 19:41:57,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:41:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:41:58,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:41:58,160 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 19:41:58,160 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 19:41:58,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:41:58,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:41:58,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:41:58,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:41:58,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:41:58,188 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 2 states. [2018-12-09 19:41:58,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:41:58,201 INFO L93 Difference]: Finished difference Result 98 states and 143 transitions. [2018-12-09 19:41:58,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:41:58,202 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-09 19:41:58,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:41:58,208 INFO L225 Difference]: With dead ends: 98 [2018-12-09 19:41:58,208 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:41:58,211 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 19:41:58,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:41:58,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:41:58,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:41:58,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:41:58,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2018-12-09 19:41:58,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:41:58,229 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:41:58,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:41:58,229 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:41:58,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:41:58,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:41:58,273 INFO L448 ceAbstractionStarter]: For program point fabs_doubleEXIT(lines 131 145) no Hoare annotation was computed. [2018-12-09 19:41:58,273 INFO L451 ceAbstractionStarter]: At program point fabs_doubleENTRY(lines 131 145) the Hoare annotation is: true [2018-12-09 19:41:58,273 INFO L448 ceAbstractionStarter]: For program point L138(lines 138 143) no Hoare annotation was computed. [2018-12-09 19:41:58,273 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 131 145) no Hoare annotation was computed. [2018-12-09 19:41:58,274 INFO L448 ceAbstractionStarter]: For program point L138-2(lines 138 143) no Hoare annotation was computed. [2018-12-09 19:41:58,274 INFO L448 ceAbstractionStarter]: For program point fabs_doubleFINAL(lines 131 145) no Hoare annotation was computed. [2018-12-09 19:41:58,274 INFO L448 ceAbstractionStarter]: For program point L133-1(lines 133 137) no Hoare annotation was computed. [2018-12-09 19:41:58,274 INFO L451 ceAbstractionStarter]: At program point L133-2(lines 133 137) the Hoare annotation is: true [2018-12-09 19:41:58,274 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 22 130) the Hoare annotation is: true [2018-12-09 19:41:58,274 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 94) no Hoare annotation was computed. [2018-12-09 19:41:58,274 INFO L448 ceAbstractionStarter]: For program point L93-2(lines 93 94) no Hoare annotation was computed. [2018-12-09 19:41:58,274 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 22 130) no Hoare annotation was computed. [2018-12-09 19:41:58,274 INFO L451 ceAbstractionStarter]: At program point L85-2(lines 85 101) the Hoare annotation is: true [2018-12-09 19:41:58,274 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 22 130) no Hoare annotation was computed. [2018-12-09 19:41:58,274 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 115) no Hoare annotation was computed. [2018-12-09 19:41:58,274 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 64) no Hoare annotation was computed. [2018-12-09 19:41:58,274 INFO L448 ceAbstractionStarter]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2018-12-09 19:41:58,275 INFO L448 ceAbstractionStarter]: For program point L61-2(lines 61 64) no Hoare annotation was computed. [2018-12-09 19:41:58,275 INFO L451 ceAbstractionStarter]: At program point L28-2(lines 28 33) the Hoare annotation is: true [2018-12-09 19:41:58,275 INFO L448 ceAbstractionStarter]: For program point L28-3(lines 22 130) no Hoare annotation was computed. [2018-12-09 19:41:58,275 INFO L448 ceAbstractionStarter]: For program point L53-2(lines 53 54) no Hoare annotation was computed. [2018-12-09 19:41:58,275 INFO L451 ceAbstractionStarter]: At program point L53-3(lines 53 54) the Hoare annotation is: true [2018-12-09 19:41:58,275 INFO L448 ceAbstractionStarter]: For program point L53-4(lines 53 54) no Hoare annotation was computed. [2018-12-09 19:41:58,275 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2018-12-09 19:41:58,275 INFO L448 ceAbstractionStarter]: For program point L111-2(lines 111 112) no Hoare annotation was computed. [2018-12-09 19:41:58,275 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 117) no Hoare annotation was computed. [2018-12-09 19:41:58,275 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2018-12-09 19:41:58,275 INFO L448 ceAbstractionStarter]: For program point L120-2(lines 120 121) no Hoare annotation was computed. [2018-12-09 19:41:58,275 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 97) no Hoare annotation was computed. [2018-12-09 19:41:58,275 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 88 97) no Hoare annotation was computed. [2018-12-09 19:41:58,276 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2018-12-09 19:41:58,276 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 58) no Hoare annotation was computed. [2018-12-09 19:41:58,276 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 116) no Hoare annotation was computed. [2018-12-09 19:41:58,276 INFO L448 ceAbstractionStarter]: For program point L39(lines 39 44) no Hoare annotation was computed. [2018-12-09 19:41:58,276 INFO L451 ceAbstractionStarter]: At program point L72-2(lines 72 82) the Hoare annotation is: true [2018-12-09 19:41:58,276 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 44) no Hoare annotation was computed. [2018-12-09 19:41:58,276 INFO L448 ceAbstractionStarter]: For program point L72-3(lines 72 82) no Hoare annotation was computed. [2018-12-09 19:41:58,276 INFO L451 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: true [2018-12-09 19:41:58,276 INFO L448 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2018-12-09 19:41:58,276 INFO L448 ceAbstractionStarter]: For program point L40(lines 40 43) no Hoare annotation was computed. [2018-12-09 19:41:58,276 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 22 130) no Hoare annotation was computed. [2018-12-09 19:41:58,276 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-12-09 19:41:58,276 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2018-12-09 19:41:58,277 INFO L451 ceAbstractionStarter]: At program point L123-2(lines 123 128) the Hoare annotation is: true [2018-12-09 19:41:58,277 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-12-09 19:41:58,277 INFO L448 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2018-12-09 19:41:58,277 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 115) no Hoare annotation was computed. [2018-12-09 19:41:58,277 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 78) no Hoare annotation was computed. [2018-12-09 19:41:58,277 INFO L448 ceAbstractionStarter]: For program point L74-2(lines 74 78) no Hoare annotation was computed. [2018-12-09 19:41:58,277 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-09 19:41:58,277 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 18) the Hoare annotation is: true [2018-12-09 19:41:58,277 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 18) no Hoare annotation was computed. [2018-12-09 19:41:58,277 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 18) no Hoare annotation was computed. [2018-12-09 19:41:58,277 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 197) no Hoare annotation was computed. [2018-12-09 19:41:58,277 INFO L448 ceAbstractionStarter]: For program point L209(lines 209 225) no Hoare annotation was computed. [2018-12-09 19:41:58,277 INFO L448 ceAbstractionStarter]: For program point L209-2(lines 163 230) no Hoare annotation was computed. [2018-12-09 19:41:58,278 INFO L448 ceAbstractionStarter]: For program point L172(lines 172 198) no Hoare annotation was computed. [2018-12-09 19:41:58,278 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 186) no Hoare annotation was computed. [2018-12-09 19:41:58,278 INFO L448 ceAbstractionStarter]: For program point L214-1(lines 214 219) no Hoare annotation was computed. [2018-12-09 19:41:58,278 INFO L451 ceAbstractionStarter]: At program point L214-2(lines 214 219) the Hoare annotation is: true [2018-12-09 19:41:58,278 INFO L448 ceAbstractionStarter]: For program point L214-3(lines 214 219) no Hoare annotation was computed. [2018-12-09 19:41:58,278 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinEXIT(lines 163 230) no Hoare annotation was computed. [2018-12-09 19:41:58,278 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 174 178) no Hoare annotation was computed. [2018-12-09 19:41:58,278 INFO L451 ceAbstractionStarter]: At program point L174-2(lines 174 178) the Hoare annotation is: true [2018-12-09 19:41:58,278 INFO L448 ceAbstractionStarter]: For program point L174-3(lines 172 183) no Hoare annotation was computed. [2018-12-09 19:41:58,278 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 166 170) no Hoare annotation was computed. [2018-12-09 19:41:58,278 INFO L451 ceAbstractionStarter]: At program point L166-2(lines 166 170) the Hoare annotation is: true [2018-12-09 19:41:58,278 INFO L448 ceAbstractionStarter]: For program point L166-3(lines 166 170) no Hoare annotation was computed. [2018-12-09 19:41:58,278 INFO L451 ceAbstractionStarter]: At program point __ieee754_asinENTRY(lines 163 230) the Hoare annotation is: true [2018-12-09 19:41:58,278 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinFINAL(lines 163 230) no Hoare annotation was computed. [2018-12-09 19:41:58,278 INFO L448 ceAbstractionStarter]: For program point L183(lines 183 198) no Hoare annotation was computed. [2018-12-09 19:41:58,279 INFO L451 ceAbstractionStarter]: At program point L183-1(lines 183 198) the Hoare annotation is: true [2018-12-09 19:41:58,279 INFO L451 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: true [2018-12-09 19:41:58,279 INFO L448 ceAbstractionStarter]: For program point L208-1(line 208) no Hoare annotation was computed. [2018-12-09 19:41:58,279 INFO L448 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-12-09 19:41:58,279 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:41:58,279 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:41:58,279 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:41:58,279 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:41:58,279 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 19:41:58,279 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:41:58,279 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:41:58,279 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 232 254) the Hoare annotation is: true [2018-12-09 19:41:58,279 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 232 254) no Hoare annotation was computed. [2018-12-09 19:41:58,279 INFO L448 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2018-12-09 19:41:58,280 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 248) no Hoare annotation was computed. [2018-12-09 19:41:58,280 INFO L444 ceAbstractionStarter]: At program point L247(line 247) the Hoare annotation is: false [2018-12-09 19:41:58,280 INFO L448 ceAbstractionStarter]: For program point L247-1(lines 247 250) no Hoare annotation was computed. [2018-12-09 19:41:58,280 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: false [2018-12-09 19:41:58,280 INFO L448 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2018-12-09 19:41:58,280 INFO L448 ceAbstractionStarter]: For program point L242(lines 242 251) no Hoare annotation was computed. [2018-12-09 19:41:58,280 INFO L448 ceAbstractionStarter]: For program point L242-2(lines 242 251) no Hoare annotation was computed. [2018-12-09 19:41:58,280 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 232 254) no Hoare annotation was computed. [2018-12-09 19:41:58,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:41:58 BoogieIcfgContainer [2018-12-09 19:41:58,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:41:58,284 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:41:58,284 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:41:58,284 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:41:58,285 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:41:57" (3/4) ... [2018-12-09 19:41:58,287 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:41:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2018-12-09 19:41:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-12-09 19:41:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-09 19:41:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asin [2018-12-09 19:41:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:41:58,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:41:58,295 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-09 19:41:58,296 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-12-09 19:41:58,296 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 19:41:58,296 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:41:58,340 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bb1c5b50-56ff-470b-9fe1-0d81bf55638b/bin-2019/utaipan/witness.graphml [2018-12-09 19:41:58,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:41:58,341 INFO L168 Benchmark]: Toolchain (without parser) took 18005.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -82.0 MB). Peak memory consumption was 59.6 MB. Max. memory is 11.5 GB. [2018-12-09 19:41:58,342 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:41:58,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.62 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 920.6 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:41:58,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 920.6 MB in the beginning and 1.1 GB in the end (delta: -209.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:41:58,342 INFO L168 Benchmark]: Boogie Preprocessor took 29.69 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 19:41:58,342 INFO L168 Benchmark]: RCFGBuilder took 16799.13 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: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. [2018-12-09 19:41:58,343 INFO L168 Benchmark]: TraceAbstraction took 835.94 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: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:41:58,343 INFO L168 Benchmark]: Witness Printer took 56.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-09 19:41:58,344 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 235.62 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 920.6 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 920.6 MB in the beginning and 1.1 GB in the end (delta: -209.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.69 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 16799.13 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: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 835.94 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: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. * Witness Printer took 56.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 248]: 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: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 93 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred 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: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 22 NumberOfFragments, 22 HoareAnnotationTreeSize, 22 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 100 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...