./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0250b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/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 4dddb731074a9a249891d6adbc7c778d25efe28d .................................................................................................................................................................................................................................................................................................................................................................................................... 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_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/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 4dddb731074a9a249891d6adbc7c778d25efe28d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:33:27,224 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:33:27,225 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:33:27,231 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:33:27,231 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:33:27,232 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:33:27,232 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:33:27,234 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:33:27,235 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:33:27,235 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:33:27,236 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:33:27,236 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:33:27,237 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:33:27,237 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:33:27,238 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:33:27,238 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:33:27,238 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:33:27,239 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:33:27,241 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:33:27,241 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:33:27,242 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:33:27,243 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:33:27,244 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:33:27,244 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:33:27,245 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:33:27,245 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:33:27,246 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:33:27,246 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:33:27,247 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:33:27,247 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:33:27,248 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:33:27,248 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:33:27,248 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:33:27,248 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:33:27,249 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:33:27,249 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:33:27,250 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 07:33:27,257 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:33:27,257 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:33:27,258 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:33:27,258 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 07:33:27,258 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 07:33:27,258 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 07:33:27,258 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 07:33:27,259 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 07:33:27,259 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 07:33:27,259 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 07:33:27,259 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 07:33:27,259 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:33:27,260 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:33:27,260 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:33:27,260 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:33:27,260 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:33:27,260 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:33:27,260 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:33:27,260 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:33:27,261 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:33:27,261 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:33:27,261 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:33:27,261 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:33:27,261 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:33:27,261 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:33:27,261 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:33:27,262 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:33:27,262 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:33:27,262 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:33:27,262 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:33:27,262 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 07:33:27,262 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:33:27,262 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:33:27,262 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 07:33:27,263 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_d3a6635a-3267-492f-9640-df0dbe0fe1d4/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 -> 4dddb731074a9a249891d6adbc7c778d25efe28d [2018-11-10 07:33:27,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:33:27,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:33:27,297 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:33:27,298 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:33:27,299 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:33:27,299 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0250b_true-unreach-call.c [2018-11-10 07:33:27,340 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/data/7f44d016d/930c0a972c594fd8bb022d24ca8e3fad/FLAG7b21713d2 [2018-11-10 07:33:27,746 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:33:27,747 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/sv-benchmarks/c/float-newlib/float_req_bl_0250b_true-unreach-call.c [2018-11-10 07:33:27,753 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/data/7f44d016d/930c0a972c594fd8bb022d24ca8e3fad/FLAG7b21713d2 [2018-11-10 07:33:27,765 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/data/7f44d016d/930c0a972c594fd8bb022d24ca8e3fad [2018-11-10 07:33:27,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:33:27,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:33:27,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:33:27,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:33:27,772 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:33:27,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:33:27" (1/1) ... [2018-11-10 07:33:27,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed9819e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:27, skipping insertion in model container [2018-11-10 07:33:27,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:33:27" (1/1) ... [2018-11-10 07:33:27,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:33:27,804 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:33:27,954 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:33:27,957 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:33:27,994 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:33:28,010 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:33:28,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:28 WrapperNode [2018-11-10 07:33:28,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:33:28,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:33:28,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:33:28,011 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:33:28,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:28" (1/1) ... [2018-11-10 07:33:28,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:28" (1/1) ... [2018-11-10 07:33:28,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:33:28,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:33:28,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:33:28,087 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:33:28,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:28" (1/1) ... [2018-11-10 07:33:28,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:28" (1/1) ... [2018-11-10 07:33:28,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:28" (1/1) ... [2018-11-10 07:33:28,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:28" (1/1) ... [2018-11-10 07:33:28,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:28" (1/1) ... [2018-11-10 07:33:28,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:28" (1/1) ... [2018-11-10 07:33:28,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:28" (1/1) ... [2018-11-10 07:33:28,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:33:28,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:33:28,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:33:28,111 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:33:28,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:33:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:33:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:33:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-10 07:33:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-10 07:33:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 07:33:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 07:33:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:33:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:33:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-10 07:33:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-10 07:33:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:33:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:33:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-10 07:33:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-10 07:33:28,541 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:33:28,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:33:28 BoogieIcfgContainer [2018-11-10 07:33:28,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:33:28,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:33:28,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:33:28,544 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:33:28,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:33:27" (1/3) ... [2018-11-10 07:33:28,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46c9cade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:33:28, skipping insertion in model container [2018-11-10 07:33:28,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:28" (2/3) ... [2018-11-10 07:33:28,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46c9cade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:33:28, skipping insertion in model container [2018-11-10 07:33:28,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:33:28" (3/3) ... [2018-11-10 07:33:28,547 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250b_true-unreach-call.c [2018-11-10 07:33:28,553 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:33:28,558 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 07:33:28,567 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 07:33:28,588 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:33:28,588 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 07:33:28,588 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:33:28,589 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:33:28,589 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:33:28,589 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:33:28,589 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:33:28,589 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:33:28,602 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-11-10 07:33:28,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 07:33:28,607 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:33:28,608 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:33:28,609 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:33:28,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:33:28,615 INFO L82 PathProgramCache]: Analyzing trace with hash -909407616, now seen corresponding path program 1 times [2018-11-10 07:33:28,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:33:28,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:33:28,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:33:28,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:33:28,647 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:33:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:33:28,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:33:28,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:33:28,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 07:33:28,727 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:33:28,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 07:33:28,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 07:33:28,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:33:28,740 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2018-11-10 07:33:28,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:33:28,760 INFO L93 Difference]: Finished difference Result 148 states and 218 transitions. [2018-11-10 07:33:28,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 07:33:28,761 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-10 07:33:28,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:33:28,768 INFO L225 Difference]: With dead ends: 148 [2018-11-10 07:33:28,768 INFO L226 Difference]: Without dead ends: 74 [2018-11-10 07:33:28,770 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:33:28,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-11-10 07:33:28,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-11-10 07:33:28,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-11-10 07:33:28,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 91 transitions. [2018-11-10 07:33:28,795 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 91 transitions. Word has length 21 [2018-11-10 07:33:28,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:33:28,795 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 91 transitions. [2018-11-10 07:33:28,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 07:33:28,796 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2018-11-10 07:33:28,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 07:33:28,796 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:33:28,796 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:33:28,797 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:33:28,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:33:28,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1895543027, now seen corresponding path program 1 times [2018-11-10 07:33:28,797 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:33:28,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:33:28,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:33:28,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:33:28,799 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:33:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:33:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:33:28,868 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 07:33:28,878 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 07:33:28,879 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 07:33:28,879 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 07:33:28,879 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 07:33:28,879 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 07:33:28,879 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 07:33:28,880 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 07:33:28,880 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 07:33:28,880 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 07:33:28,880 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 07:33:28,880 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 07:33:28,880 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 07:33:28,880 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 07:33:28,881 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 07:33:28,881 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 07:33:28,881 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 07:33:28,881 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 07:33:28,881 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 07:33:28,881 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 07:33:28,881 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 07:33:28,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:33:28 BoogieIcfgContainer [2018-11-10 07:33:28,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 07:33:28,900 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:33:28,900 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:33:28,900 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:33:28,900 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:33:28" (3/4) ... [2018-11-10 07:33:28,903 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 07:33:28,903 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:33:28,903 INFO L168 Benchmark]: Toolchain (without parser) took 1135.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 960.3 MB in the beginning and 1.0 GB in the end (delta: -88.5 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:33:28,904 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:33:28,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.04 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 944.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:33:28,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-10 07:33:28,905 INFO L168 Benchmark]: Boogie Preprocessor took 24.25 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:33:28,906 INFO L168 Benchmark]: RCFGBuilder took 431.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2018-11-10 07:33:28,906 INFO L168 Benchmark]: TraceAbstraction took 357.19 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: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:33:28,906 INFO L168 Benchmark]: Witness Printer took 3.26 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. [2018-11-10 07:33:28,909 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 241.04 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 944.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.25 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 431.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 357.19 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: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.26 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.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 233]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someUnaryDOUBLEoperation at line 147, overapproximation of bitwiseAnd at line 161, overapproximation of someUnaryFLOAToperation at line 145, overapproximation of someBinaryArithmeticFLOAToperation at line 164. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L60] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L143-L151] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=27, \old(huge_floor)=10, \old(one_asin)=14, \old(one_sqrt)=11, \old(pio2_hi_asin)=13, \old(pio2_lo_asin)=22, \old(pio4_hi_asin)=15, \old(pS0_asin)=21, \old(pS1_asin)=16, \old(pS2_asin)=8, \old(pS3_asin)=20, \old(pS4_asin)=25, \old(pS5_asin)=18, \old(qS1_asin)=28, \old(qS2_asin)=26, \old(qS3_asin)=6, \old(qS4_asin)=23, \old(tiny_sqrt)=24, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L228] float x = -1.0f / 0.0f; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L229] CALL, EXPR __ieee754_asinf(x) VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L154] float t, w, p, q, c, r, s; [L155] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L157] CALL ieee_float_shape_type gf_u; [L157] RET ieee_float_shape_type gf_u; [L158] CALL gf_u.value = (x) [L158] RET gf_u.value = (x) [L159] CALL, EXPR gf_u.word [L159] RET, EXPR gf_u.word [L159] (hx) = gf_u.word [L159] RET (hx) = gf_u.word [L160] COND FALSE !(0) VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L161] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L162] COND TRUE ix == 0x3f800000 [L164] RET return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L229] EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=9, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=17] [L229] float res = __ieee754_asinf(x); [L232] CALL, EXPR isnan_float(res) VAL [\old(x)=9, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L58] RET return x != x; VAL [\old(x)=9, \result=0, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=9] [L232] EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, isnan_float(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=9, tiny_sqrt=1/1000000000000000000000000000000, x=17] [L232] COND TRUE !isnan_float(res) [L233] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=9, tiny_sqrt=1/1000000000000000000000000000000, x=17] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 78 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 95 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=78occurred 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, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 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 0.1.23-1dbac8b [2018-11-10 07:33:30,287 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:33:30,288 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:33:30,295 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:33:30,295 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:33:30,296 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:33:30,297 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:33:30,298 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:33:30,299 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:33:30,299 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:33:30,300 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:33:30,300 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:33:30,301 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:33:30,302 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:33:30,302 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:33:30,303 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:33:30,303 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:33:30,305 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:33:30,306 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:33:30,307 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:33:30,308 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:33:30,308 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:33:30,310 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:33:30,310 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:33:30,310 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:33:30,311 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:33:30,312 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:33:30,312 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:33:30,313 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:33:30,313 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:33:30,314 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:33:30,314 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:33:30,314 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:33:30,314 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:33:30,315 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:33:30,316 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:33:30,316 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 07:33:30,326 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:33:30,326 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:33:30,327 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:33:30,327 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 07:33:30,327 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 07:33:30,327 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 07:33:30,327 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 07:33:30,328 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 07:33:30,328 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:33:30,328 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:33:30,328 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:33:30,328 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:33:30,329 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:33:30,329 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:33:30,329 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:33:30,329 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 07:33:30,329 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 07:33:30,329 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:33:30,329 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:33:30,329 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:33:30,330 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:33:30,330 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:33:30,330 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:33:30,330 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:33:30,330 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:33:30,330 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:33:30,330 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:33:30,330 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:33:30,330 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 07:33:30,331 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:33:30,331 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 07:33:30,331 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 07:33:30,331 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_d3a6635a-3267-492f-9640-df0dbe0fe1d4/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 -> 4dddb731074a9a249891d6adbc7c778d25efe28d [2018-11-10 07:33:30,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:33:30,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:33:30,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:33:30,370 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:33:30,370 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:33:30,370 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0250b_true-unreach-call.c [2018-11-10 07:33:30,404 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/data/7f5afa9fb/2e6d03ba0f734666b304f88eceaa2f13/FLAG72fdc08a8 [2018-11-10 07:33:30,799 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:33:30,800 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/sv-benchmarks/c/float-newlib/float_req_bl_0250b_true-unreach-call.c [2018-11-10 07:33:30,804 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/data/7f5afa9fb/2e6d03ba0f734666b304f88eceaa2f13/FLAG72fdc08a8 [2018-11-10 07:33:30,812 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/data/7f5afa9fb/2e6d03ba0f734666b304f88eceaa2f13 [2018-11-10 07:33:30,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:33:30,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:33:30,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:33:30,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:33:30,818 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:33:30,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:33:30" (1/1) ... [2018-11-10 07:33:30,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de11074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:30, skipping insertion in model container [2018-11-10 07:33:30,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:33:30" (1/1) ... [2018-11-10 07:33:30,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:33:30,849 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:33:31,011 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:33:31,015 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:33:31,057 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:33:31,074 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:33:31,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:31 WrapperNode [2018-11-10 07:33:31,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:33:31,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:33:31,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:33:31,076 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:33:31,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:31" (1/1) ... [2018-11-10 07:33:31,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:31" (1/1) ... [2018-11-10 07:33:31,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:33:31,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:33:31,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:33:31,117 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:33:31,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:31" (1/1) ... [2018-11-10 07:33:31,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:31" (1/1) ... [2018-11-10 07:33:31,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:31" (1/1) ... [2018-11-10 07:33:31,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:31" (1/1) ... [2018-11-10 07:33:31,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:31" (1/1) ... [2018-11-10 07:33:31,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:31" (1/1) ... [2018-11-10 07:33:31,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:31" (1/1) ... [2018-11-10 07:33:31,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:33:31,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:33:31,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:33:31,191 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:33:31,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:33:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:33:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:33:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-10 07:33:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-10 07:33:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 07:33:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 07:33:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:33:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:33:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-10 07:33:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-10 07:33:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:33:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:33:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-10 07:33:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-10 07:33:31,448 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 07:33:38,126 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 07:33:38,159 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 07:33:40,545 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 07:33:41,015 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:33:41,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:33:41 BoogieIcfgContainer [2018-11-10 07:33:41,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:33:41,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:33:41,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:33:41,018 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:33:41,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:33:30" (1/3) ... [2018-11-10 07:33:41,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7984fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:33:41, skipping insertion in model container [2018-11-10 07:33:41,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:31" (2/3) ... [2018-11-10 07:33:41,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7984fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:33:41, skipping insertion in model container [2018-11-10 07:33:41,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:33:41" (3/3) ... [2018-11-10 07:33:41,020 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250b_true-unreach-call.c [2018-11-10 07:33:41,026 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:33:41,030 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 07:33:41,039 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 07:33:41,055 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 07:33:41,056 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:33:41,056 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 07:33:41,056 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:33:41,056 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:33:41,056 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:33:41,056 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:33:41,056 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:33:41,057 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:33:41,066 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2018-11-10 07:33:41,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 07:33:41,070 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:33:41,071 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:33:41,073 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:33:41,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:33:41,076 INFO L82 PathProgramCache]: Analyzing trace with hash 19313515, now seen corresponding path program 1 times [2018-11-10 07:33:41,078 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:33:41,079 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 07:33:41,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:33:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:33:41,264 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:33:41,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:33:41,280 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:33:41,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:33:41,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 07:33:41,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 07:33:41,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 07:33:41,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:33:41,306 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2018-11-10 07:33:41,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:33:41,324 INFO L93 Difference]: Finished difference Result 146 states and 216 transitions. [2018-11-10 07:33:41,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 07:33:41,325 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-11-10 07:33:41,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:33:41,331 INFO L225 Difference]: With dead ends: 146 [2018-11-10 07:33:41,331 INFO L226 Difference]: Without dead ends: 73 [2018-11-10 07:33:41,333 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:33:41,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-11-10 07:33:41,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-11-10 07:33:41,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-10 07:33:41,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 90 transitions. [2018-11-10 07:33:41,361 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 90 transitions. Word has length 20 [2018-11-10 07:33:41,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:33:41,362 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 90 transitions. [2018-11-10 07:33:41,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 07:33:41,362 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2018-11-10 07:33:41,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 07:33:41,363 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:33:41,363 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:33:41,363 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:33:41,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:33:41,364 INFO L82 PathProgramCache]: Analyzing trace with hash 823911669, now seen corresponding path program 1 times [2018-11-10 07:33:41,364 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:33:41,365 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-10 07:33:41,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:33:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:33:41,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:33:41,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:33:41,683 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:33:41,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:33:41,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 07:33:41,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 07:33:41,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 07:33:41,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 07:33:41,698 INFO L87 Difference]: Start difference. First operand 73 states and 90 transitions. Second operand 7 states. [2018-11-10 07:33:48,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:33:48,138 INFO L93 Difference]: Finished difference Result 86 states and 103 transitions. [2018-11-10 07:33:48,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 07:33:48,139 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-11-10 07:33:48,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:33:48,141 INFO L225 Difference]: With dead ends: 86 [2018-11-10 07:33:48,142 INFO L226 Difference]: Without dead ends: 76 [2018-11-10 07:33:48,142 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-10 07:33:48,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-10 07:33:48,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 73. [2018-11-10 07:33:48,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-10 07:33:48,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 89 transitions. [2018-11-10 07:33:48,150 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 89 transitions. Word has length 21 [2018-11-10 07:33:48,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:33:48,150 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 89 transitions. [2018-11-10 07:33:48,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 07:33:48,150 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2018-11-10 07:33:48,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 07:33:48,151 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:33:48,151 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:33:48,151 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:33:48,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:33:48,151 INFO L82 PathProgramCache]: Analyzing trace with hash -960001939, now seen corresponding path program 1 times [2018-11-10 07:33:48,152 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:33:48,152 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-10 07:33:48,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:33:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:33:48,350 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:33:50,041 WARN L179 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-11-10 07:33:51,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:33:51,921 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:33:51,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:33:51,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 07:33:51,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 07:33:51,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 07:33:51,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:33:51,932 INFO L87 Difference]: Start difference. First operand 73 states and 89 transitions. Second operand 9 states. [2018-11-10 07:33:55,638 WARN L179 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 9 [2018-11-10 07:34:02,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:34:02,379 INFO L93 Difference]: Finished difference Result 82 states and 98 transitions. [2018-11-10 07:34:02,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 07:34:02,379 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-11-10 07:34:02,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:34:02,380 INFO L225 Difference]: With dead ends: 82 [2018-11-10 07:34:02,381 INFO L226 Difference]: Without dead ends: 75 [2018-11-10 07:34:02,381 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-10 07:34:02,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-11-10 07:34:02,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2018-11-10 07:34:02,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-10 07:34:02,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2018-11-10 07:34:02,391 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 22 [2018-11-10 07:34:02,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:34:02,391 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2018-11-10 07:34:02,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 07:34:02,392 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2018-11-10 07:34:02,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 07:34:02,392 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:34:02,392 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:34:02,393 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:34:02,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:34:02,393 INFO L82 PathProgramCache]: Analyzing trace with hash -431370173, now seen corresponding path program 1 times [2018-11-10 07:34:02,393 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:34:02,394 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-10 07:34:02,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:34:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:03,358 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:34:03,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:34:03,429 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:34:03,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:34:03,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 07:34:03,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 07:34:03,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 07:34:03,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 07:34:03,447 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand 7 states. [2018-11-10 07:34:08,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:34:08,409 INFO L93 Difference]: Finished difference Result 86 states and 101 transitions. [2018-11-10 07:34:08,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 07:34:08,410 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-11-10 07:34:08,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:34:08,411 INFO L225 Difference]: With dead ends: 86 [2018-11-10 07:34:08,411 INFO L226 Difference]: Without dead ends: 68 [2018-11-10 07:34:08,413 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-10 07:34:08,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-11-10 07:34:08,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-11-10 07:34:08,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-11-10 07:34:08,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2018-11-10 07:34:08,420 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 24 [2018-11-10 07:34:08,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:34:08,420 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2018-11-10 07:34:08,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 07:34:08,420 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2018-11-10 07:34:08,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 07:34:08,421 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:34:08,421 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:34:08,422 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:34:08,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:34:08,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1951694685, now seen corresponding path program 1 times [2018-11-10 07:34:08,422 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:34:08,422 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-10 07:34:08,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:34:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:09,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:34:09,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:34:09,662 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:34:09,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:34:09,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 07:34:09,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 07:34:09,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 07:34:09,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 07:34:09,682 INFO L87 Difference]: Start difference. First operand 68 states and 80 transitions. Second operand 7 states. [2018-11-10 07:34:11,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:34:11,488 INFO L93 Difference]: Finished difference Result 68 states and 80 transitions. [2018-11-10 07:34:11,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 07:34:11,490 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-11-10 07:34:11,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:34:11,490 INFO L225 Difference]: With dead ends: 68 [2018-11-10 07:34:11,490 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 07:34:11,490 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-10 07:34:11,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 07:34:11,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 07:34:11,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 07:34:11,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 07:34:11,491 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2018-11-10 07:34:11,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:34:11,491 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:34:11,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 07:34:11,491 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 07:34:11,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:34:11,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 07:34:11,651 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 58) no Hoare annotation was computed. [2018-11-10 07:34:11,651 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 58) the Hoare annotation is: true [2018-11-10 07:34:11,651 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 58) no Hoare annotation was computed. [2018-11-10 07:34:11,651 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:34:11,651 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 07:34:11,651 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:34:11,651 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2018-11-10 07:34:11,651 INFO L428 ceAbstractionStarter]: At program point L130-3(lines 130 134) the Hoare annotation is: true [2018-11-10 07:34:11,651 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 128 141) no Hoare annotation was computed. [2018-11-10 07:34:11,651 INFO L425 ceAbstractionStarter]: For program point L135(lines 135 139) no Hoare annotation was computed. [2018-11-10 07:34:11,652 INFO L425 ceAbstractionStarter]: For program point L135-2(lines 128 141) no Hoare annotation was computed. [2018-11-10 07:34:11,652 INFO L425 ceAbstractionStarter]: For program point L135-3(lines 135 139) no Hoare annotation was computed. [2018-11-10 07:34:11,652 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 128 141) no Hoare annotation was computed. [2018-11-10 07:34:11,652 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 128 141) the Hoare annotation is: true [2018-11-10 07:34:11,652 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:34:11,652 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 07:34:11,652 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 07:34:11,652 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:34:11,652 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 221 238) the Hoare annotation is: true [2018-11-10 07:34:11,652 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 221 238) no Hoare annotation was computed. [2018-11-10 07:34:11,652 INFO L425 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2018-11-10 07:34:11,652 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 221 238) no Hoare annotation was computed. [2018-11-10 07:34:11,652 INFO L421 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)))) (and (= .cse0 main_~x~0) (= (let ((.cse1 (fp.sub RNE .cse0 .cse0))) (fp.div RNE .cse1 .cse1)) main_~res~0))) [2018-11-10 07:34:11,652 INFO L425 ceAbstractionStarter]: For program point L232-1(lines 232 235) no Hoare annotation was computed. [2018-11-10 07:34:11,652 INFO L421 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (= (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)) main_~x~0) [2018-11-10 07:34:11,652 INFO L425 ceAbstractionStarter]: For program point L229-1(line 229) no Hoare annotation was computed. [2018-11-10 07:34:11,652 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2018-11-10 07:34:11,653 INFO L421 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~3))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvsgt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) [2018-11-10 07:34:11,653 INFO L425 ceAbstractionStarter]: For program point L192-1(line 192) no Hoare annotation was computed. [2018-11-10 07:34:11,653 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-10 07:34:11,653 INFO L425 ceAbstractionStarter]: For program point L168(lines 168 181) no Hoare annotation was computed. [2018-11-10 07:34:11,653 INFO L425 ceAbstractionStarter]: For program point L193(lines 193 214) no Hoare annotation was computed. [2018-11-10 07:34:11,653 INFO L425 ceAbstractionStarter]: For program point L193-2(lines 153 219) no Hoare annotation was computed. [2018-11-10 07:34:11,653 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 156 160) no Hoare annotation was computed. [2018-11-10 07:34:11,653 INFO L421 ceAbstractionStarter]: At program point L156-3(lines 156 160) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-11-10 07:34:11,653 INFO L425 ceAbstractionStarter]: For program point L156-4(lines 156 160) no Hoare annotation was computed. [2018-11-10 07:34:11,653 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 170) no Hoare annotation was computed. [2018-11-10 07:34:11,653 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 182) no Hoare annotation was computed. [2018-11-10 07:34:11,653 INFO L428 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 153 219) the Hoare annotation is: true [2018-11-10 07:34:11,653 INFO L425 ceAbstractionStarter]: For program point L199-1(lines 199 203) no Hoare annotation was computed. [2018-11-10 07:34:11,653 INFO L421 ceAbstractionStarter]: At program point L199-3(lines 199 203) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~3))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvsgt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) [2018-11-10 07:34:11,653 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 153 219) no Hoare annotation was computed. [2018-11-10 07:34:11,653 INFO L425 ceAbstractionStarter]: For program point L162(lines 162 182) no Hoare annotation was computed. [2018-11-10 07:34:11,653 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 153 219) no Hoare annotation was computed. [2018-11-10 07:34:11,653 INFO L425 ceAbstractionStarter]: For program point L204(lines 204 208) no Hoare annotation was computed. [2018-11-10 07:34:11,653 INFO L425 ceAbstractionStarter]: For program point L204-2(lines 196 214) no Hoare annotation was computed. [2018-11-10 07:34:11,653 INFO L425 ceAbstractionStarter]: For program point L204-3(lines 204 208) no Hoare annotation was computed. [2018-11-10 07:34:11,654 INFO L425 ceAbstractionStarter]: For program point L167(lines 167 182) no Hoare annotation was computed. [2018-11-10 07:34:11,654 INFO L421 ceAbstractionStarter]: At program point L167-1(lines 167 182) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~3))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvsgt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) [2018-11-10 07:34:11,654 INFO L425 ceAbstractionStarter]: For program point L77(lines 77 78) no Hoare annotation was computed. [2018-11-10 07:34:11,654 INFO L425 ceAbstractionStarter]: For program point L98-1(lines 98 107) no Hoare annotation was computed. [2018-11-10 07:34:11,654 INFO L428 ceAbstractionStarter]: At program point L98-3(lines 98 107) the Hoare annotation is: true [2018-11-10 07:34:11,654 INFO L425 ceAbstractionStarter]: For program point L98-4(lines 62 127) no Hoare annotation was computed. [2018-11-10 07:34:11,654 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-11-10 07:34:11,654 INFO L425 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-11-10 07:34:11,654 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 62 127) the Hoare annotation is: true [2018-11-10 07:34:11,654 INFO L425 ceAbstractionStarter]: For program point L111(lines 111 117) no Hoare annotation was computed. [2018-11-10 07:34:11,654 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 75) no Hoare annotation was computed. [2018-11-10 07:34:11,654 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 62 127) no Hoare annotation was computed. [2018-11-10 07:34:11,654 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 62 127) no Hoare annotation was computed. [2018-11-10 07:34:11,654 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 87) no Hoare annotation was computed. [2018-11-10 07:34:11,654 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 87) no Hoare annotation was computed. [2018-11-10 07:34:11,654 INFO L425 ceAbstractionStarter]: For program point L79(lines 79 80) no Hoare annotation was computed. [2018-11-10 07:34:11,654 INFO L425 ceAbstractionStarter]: For program point L100(lines 100 104) no Hoare annotation was computed. [2018-11-10 07:34:11,654 INFO L425 ceAbstractionStarter]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2018-11-10 07:34:11,654 INFO L425 ceAbstractionStarter]: For program point L100-2(lines 100 104) no Hoare annotation was computed. [2018-11-10 07:34:11,655 INFO L428 ceAbstractionStarter]: At program point L67-3(lines 67 71) the Hoare annotation is: true [2018-11-10 07:34:11,655 INFO L425 ceAbstractionStarter]: For program point L67-4(lines 67 71) no Hoare annotation was computed. [2018-11-10 07:34:11,655 INFO L425 ceAbstractionStarter]: For program point L121-1(lines 121 125) no Hoare annotation was computed. [2018-11-10 07:34:11,655 INFO L428 ceAbstractionStarter]: At program point L121-3(lines 121 125) the Hoare annotation is: true [2018-11-10 07:34:11,655 INFO L425 ceAbstractionStarter]: For program point L121-4(lines 121 125) no Hoare annotation was computed. [2018-11-10 07:34:11,655 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 85) no Hoare annotation was computed. [2018-11-10 07:34:11,655 INFO L425 ceAbstractionStarter]: For program point L84-3(lines 84 85) no Hoare annotation was computed. [2018-11-10 07:34:11,655 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 116) no Hoare annotation was computed. [2018-11-10 07:34:11,655 INFO L428 ceAbstractionStarter]: At program point L84-4(lines 84 85) the Hoare annotation is: true [2018-11-10 07:34:11,655 INFO L425 ceAbstractionStarter]: For program point L84-5(lines 84 85) no Hoare annotation was computed. [2018-11-10 07:34:11,655 INFO L425 ceAbstractionStarter]: For program point L109(lines 109 118) no Hoare annotation was computed. [2018-11-10 07:34:11,660 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,661 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,661 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,662 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,662 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,662 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,662 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,662 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,667 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,667 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,667 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,668 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,668 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,668 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,668 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,668 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:34:11 BoogieIcfgContainer [2018-11-10 07:34:11,671 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 07:34:11,671 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:34:11,671 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:34:11,671 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:34:11,672 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:33:41" (3/4) ... [2018-11-10 07:34:11,676 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:34:11,681 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-10 07:34:11,681 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 07:34:11,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-10 07:34:11,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 07:34:11,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-11-10 07:34:11,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-10 07:34:11,688 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 122 nodes and edges [2018-11-10 07:34:11,689 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2018-11-10 07:34:11,689 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-10 07:34:11,689 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 07:34:11,714 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-10 07:34:11,715 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvsgt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 1065353216bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) [2018-11-10 07:34:11,749 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d3a6635a-3267-492f-9640-df0dbe0fe1d4/bin-2019/utaipan/witness.graphml [2018-11-10 07:34:11,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:34:11,749 INFO L168 Benchmark]: Toolchain (without parser) took 40934.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 949.8 MB in the beginning and 856.1 MB in the end (delta: 93.7 MB). Peak memory consumption was 231.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:34:11,750 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:34:11,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.34 ms. Allocated memory is still 1.0 GB. Free memory was 949.8 MB in the beginning and 928.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:34:11,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.23 ms. Allocated memory is still 1.0 GB. Free memory is still 928.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:34:11,751 INFO L168 Benchmark]: Boogie Preprocessor took 73.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -202.6 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:34:11,751 INFO L168 Benchmark]: RCFGBuilder took 9824.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. [2018-11-10 07:34:11,751 INFO L168 Benchmark]: TraceAbstraction took 30654.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 862.9 MB in the end (delta: 214.7 MB). Peak memory consumption was 214.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:34:11,751 INFO L168 Benchmark]: Witness Printer took 77.84 ms. Allocated memory is still 1.2 GB. Free memory was 862.9 MB in the beginning and 856.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:34:11,753 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 259.34 ms. Allocated memory is still 1.0 GB. Free memory was 949.8 MB in the beginning and 928.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.23 ms. Allocated memory is still 1.0 GB. Free memory is still 928.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -202.6 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9824.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 30654.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 862.9 MB in the end (delta: 214.7 MB). Peak memory consumption was 214.7 MB. Max. memory is 11.5 GB. * Witness Printer took 77.84 ms. Allocated memory is still 1.2 GB. Free memory was 862.9 MB in the beginning and 856.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 233]: 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: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant [2018-11-10 07:34:11,756 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,757 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,757 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,757 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,757 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,757 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,757 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,758 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,758 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,758 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,758 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,758 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,759 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,759 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,759 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 07:34:11,759 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvsgt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 1065353216bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 77 locations, 1 error locations. SAFE Result, 30.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 23.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 388 SDtfs, 210 SDslu, 1464 SDs, 0 SdLazy, 190 SolverSat, 23 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 18.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 30 PreInvPairs, 40 NumberOfFragments, 209 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 126 ConstructedInterpolants, 20 QuantifiedInterpolants, 19548 SizeOfPredicates, 31 NumberOfNonLiveVariables, 712 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...